* [ANNOUNCE] 3.0.1-rt8
@ 2011-08-05 21:44 Peter Zijlstra
2011-08-08 13:55 ` rcu stalls running 3.0.1-rt8 Mike Galbraith
` (2 more replies)
0 siblings, 3 replies; 33+ messages in thread
From: Peter Zijlstra @ 2011-08-05 21:44 UTC (permalink / raw)
To: linux-kernel; +Cc: Thomas Gleixner, Paul E. McKenney, linux-rt-users
Hi,
Since yesterday is old, and yesterday's kernels aren't interesting,
here's a fresh one: 3.0.1-rt8.
Aside from the obvious rebase to 3.0.1 changes include:
- a fix from Rostedt for his cpupri rework involving memory ordering
- a fix from me regarding this highmem muck, seeing as I mostly
wrecked things last time around :-)
- some lockdep annotations from upstream for things people were
seeing here as well
- a patch from Clark adding a sysfs file to recognize a PREEMP_RT
kernel for udev -- is there really no saner solution !?
- and a fresh raw_spinlock_t conversion of cpufreq_driver_lock, done
just minutes before releasing this, to keep life interesting.
Still working on the known issues from last time..
The patch is at:
http://www.kernel.org/pub/linux/kernel/projects/rt/patch-3.0.1-rt8.patch.bz2
The quilt series can be found here:
http://www.kernel.org/pub/linux/kernel/projects/rt/patches-3.0.1-rt8.tar.bz2
Once kernel.org mirrors catch up that is..
^ permalink raw reply [flat|nested] 33+ messages in thread* rcu stalls running 3.0.1-rt8 2011-08-05 21:44 [ANNOUNCE] 3.0.1-rt8 Peter Zijlstra @ 2011-08-08 13:55 ` Mike Galbraith 2011-08-08 23:10 ` Paul E. McKenney 2011-08-09 15:13 ` [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 Tim Sander 2011-08-09 18:31 ` [ANNOUNCE] 3.0.1-rt8 Fernando Lopez-Lezcano 2 siblings, 1 reply; 33+ messages in thread From: Mike Galbraith @ 2011-08-08 13:55 UTC (permalink / raw) To: linux-rt-users; +Cc: Thomas Gleixner, Paul E. McKenney, Peter Zijlstra Greetings, I've had no time to tinker with this but though I should get it posted, so build latest/greatest to make sure it's still there. It is. Box can be idling along, and pow. If RCU_BOOST is enabled, I get a hung task panic after the stall. If RCU_BOOST is off, and debugging options are cut to the bone, box will stay up despite periodic gripes. [ 958.518744] INFO: rcu_preempt_state detected stalls on CPUs/tasks: {} (detected by 1, t=65002 jiffies) [ 958.518748] sending NMI to all CPUs: [ 958.518751] NMI backtrace for cpu 3 [ 958.518753] CPU 3 [ 958.518754] Modules linked in: ipmi_devintf ipmi_si ipmi_msghandler cpufreq_conservative cdc_ether usbnet mii bnx2 shpchp i7core_edac edac_core ext4 jbd2 megaraid_sas [ 958.518761] [ 958.518763] Pid: 6948, comm: pert Not tainted 3.0.1-rt8 #6 IBM System x3550 M3 -[7944K3G]-/69Y5698 [ 958.518766] RIP: 0010:[<ffffffff810cd4e7>] [<ffffffff810cd4e7>] mark_lock+0x377/0x660 [ 958.518772] RSP: 0000:ffff88017fcc3bf8 EFLAGS: 00000082 [ 958.518774] RAX: 0000000000000001 RBX: ffff880177eb4920 RCX: 0000000000000003 [ 958.518775] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff88017fcc3b68 [ 958.518777] RBP: ffff88017fcc3c48 R08: 0000000000000001 R09: 0000000000010001 [ 958.518778] R10: 0000000000000000 R11: 0000000000010002 R12: 0000000000000000 [ 958.518780] R13: ffff880177eb42c0 R14: ffffffff82174f20 R15: ffffffff810cc340 [ 958.518781] FS: 00007f24e0383700(0000) GS:ffff88017fcc0000(0000) knlGS:0000000000000000 [ 958.518783] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 958.518784] CR2: 00007f24dfce0430 CR3: 00000001752dc000 CR4: 00000000000006e0 [ 958.518786] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 958.518787] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 958.518789] Process pert (pid: 6948, threadinfo ffff880174b92000, task ffff880177eb42c0) [ 958.518790] Stack: [ 958.518791] 00000000000000bb 0000000000000001 0000000000000000 ffffffff00000003 [ 958.518794] 000048807c158089 0000000000000018 ffff880177eb42c0 0000000000000000 [ 958.518796] 0000000000000002 0000000000000000 ffff88017fcc3d48 ffffffff810cf2d3 [ 958.518798] Call Trace: [ 958.518799] <IRQ> [ 958.518802] [<ffffffff810cf2d3>] __lock_acquire+0x8e3/0x1f20 [ 958.518804] [<ffffffff810ceef9>] ? __lock_acquire+0x509/0x1f20 [ 958.518809] [<ffffffff81050f4f>] ? intel_pmu_enable_all+0x5f/0x110 [ 958.518811] [<ffffffff8105117b>] ? intel_pmu_nhm_enable_all+0x2b/0x150 [ 958.518814] [<ffffffff810d0feb>] lock_acquire+0x9b/0x1d0 [ 958.518817] [<ffffffff810ffd69>] ? __rcu_pending+0x89/0x3e0 [ 958.518821] [<ffffffff81818966>] _raw_spin_lock_irqsave+0x46/0x60 [ 958.518823] [<ffffffff810ffd69>] ? __rcu_pending+0x89/0x3e0 [ 958.518826] [<ffffffff810ffd69>] __rcu_pending+0x89/0x3e0 [ 958.518828] [<ffffffff8110024a>] rcu_check_callbacks+0x10a/0x160 [ 958.518832] [<ffffffff810a387d>] update_process_times+0x4d/0x70 [ 958.518835] [<ffffffff810c9cda>] tick_sched_timer+0x5a/0x150 [ 958.518839] [<ffffffff810bc193>] __run_hrtimer+0x73/0x390 [ 958.518841] [<ffffffff810c9c80>] ? tick_init_highres+0x20/0x20 [ 958.518843] [<ffffffff810bd1bf>] hrtimer_interrupt+0xff/0x230 [ 958.518846] [<ffffffff8181c1ad>] ? add_preempt_count+0x9d/0xd0 [ 958.518850] [<ffffffff81821786>] smp_apic_timer_interrupt+0x66/0x98 [ 958.518852] [<ffffffff81820a93>] apic_timer_interrupt+0x13/0x20 [ 958.518853] <EOI> [ 958.518856] [<ffffffff81818f31>] ? retint_swapgs+0xe/0x13 [ 958.518857] Code: 0f b7 43 20 44 89 75 c8 66 25 ff 1f 0f 85 0b 01 00 00 45 31 f6 83 3d 4c ee f5 00 00 0f 84 ca 00 00 00 b8 01 00 00 00 0f b6 4d c8 <d3> e0 48 98 49 85 46 30 0f 85 93 00 00 00 41 8d 44 24 01 a8 01 [ 958.518874] Call Trace: [ 958.518875] <IRQ> [<ffffffff810cf2d3>] __lock_acquire+0x8e3/0x1f20 [ 958.518879] [<ffffffff810ceef9>] ? __lock_acquire+0x509/0x1f20 [ 958.518881] [<ffffffff81050f4f>] ? intel_pmu_enable_all+0x5f/0x110 [ 958.518884] [<ffffffff8105117b>] ? intel_pmu_nhm_enable_all+0x2b/0x150 [ 958.518886] [<ffffffff810d0feb>] lock_acquire+0x9b/0x1d0 [ 958.518888] [<ffffffff810ffd69>] ? __rcu_pending+0x89/0x3e0 [ 958.518891] [<ffffffff81818966>] _raw_spin_lock_irqsave+0x46/0x60 [ 958.518893] [<ffffffff810ffd69>] ? __rcu_pending+0x89/0x3e0 [ 958.518896] [<ffffffff810ffd69>] __rcu_pending+0x89/0x3e0 [ 958.518898] [<ffffffff8110024a>] rcu_check_callbacks+0x10a/0x160 [ 958.518901] [<ffffffff810a387d>] update_process_times+0x4d/0x70 [ 958.518903] [<ffffffff810c9cda>] tick_sched_timer+0x5a/0x150 [ 958.518905] [<ffffffff810bc193>] __run_hrtimer+0x73/0x390 [ 958.518907] [<ffffffff810c9c80>] ? tick_init_highres+0x20/0x20 [ 958.518910] [<ffffffff810bd1bf>] hrtimer_interrupt+0xff/0x230 [ 958.518912] [<ffffffff8181c1ad>] ? add_preempt_count+0x9d/0xd0 [ 958.518914] [<ffffffff81821786>] smp_apic_timer_interrupt+0x66/0x98 [ 958.518916] [<ffffffff81820a93>] apic_timer_interrupt+0x13/0x20 [ 958.518918] <EOI> [<ffffffff81818f31>] ? retint_swapgs+0xe/0x13 [ 958.518921] NMI backtrace for cpu 1 [ 958.518922] CPU 1 [ 958.518923] Modules linked in: ipmi_devintf ipmi_si ipmi_msghandler cpufreq_conservative cdc_ether usbnet mii bnx2 shpchp i7core_edac edac_core ext4 jbd2 megaraid_sas [ 958.518929] [ 958.518931] Pid: 0, comm: kworker/0:0 Not tainted 3.0.1-rt8 #6 IBM System x3550 M3 -[7944K3G]-/69Y5698 [ 958.518934] RIP: 0010:[<ffffffff8133c690>] [<ffffffff8133c690>] __ndelay+0x30/0x30 [ 958.518939] RSP: 0018:ffff88017fc43dc0 EFLAGS: 00000807 [ 958.518940] RAX: 00000000462f5480 RBX: 0000000000002710 RCX: 0000000000000098 [ 958.518942] RDX: 0000000000249ec0 RSI: 0000000000000002 RDI: 0000000000249ec1 [ 958.518943] RBP: ffff88017fc43dc8 R08: 0000000000000000 R09: 0000000000000000 [ 958.518944] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff81e2ec80 [ 958.518946] R13: ffffffff81e2ec80 R14: ffffffff81e2ee00 R15: 000000000000fdea [ 958.518948] FS: 0000000000000000(0000) GS:ffff88017fc40000(0000) knlGS:0000000000000000 [ 958.518949] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 958.518951] CR2: 00007f4e2ab33000 CR3: 000000017789f000 CR4: 00000000000006e0 [ 958.518952] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 958.518953] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 958.518955] Process kworker/0:0 (pid: 0, threadinfo ffff88017a90e000, task ffff88017a90c480) [ 958.518956] Stack: [ 958.518957] ffffffff8133c5ef ffff88017fc43dd8 ffffffff8133c62c ffff88017fc43df8 [ 958.518960] ffffffff8105eb6a 0000000000000000 ffff88017fc4b8e0 ffff88017fc43e48 [ 958.518962] ffffffff81100060 ffff88017fc43f48 ffffffff81e2ec80 ffff88017fc43e28 [ 958.518964] Call Trace: [ 958.518965] <IRQ> [ 958.518967] [<ffffffff8133c5ef>] ? __delay+0xf/0x20 [ 958.518970] [<ffffffff8133c62c>] __const_udelay+0x2c/0x30 [ 958.518973] [<ffffffff8105eb6a>] arch_trigger_all_cpu_backtrace+0x6a/0x90 [ 958.518976] [<ffffffff81100060>] __rcu_pending+0x380/0x3e0 [ 958.518979] [<ffffffff8110024a>] rcu_check_callbacks+0x10a/0x160 [ 958.518982] [<ffffffff810a387d>] update_process_times+0x4d/0x70 [ 958.518985] [<ffffffff810c9cda>] tick_sched_timer+0x5a/0x150 [ 958.518988] [<ffffffff810bc193>] __run_hrtimer+0x73/0x390 [ 958.518990] [<ffffffff810c9c80>] ? tick_init_highres+0x20/0x20 [ 958.518992] [<ffffffff810bd1bf>] hrtimer_interrupt+0xff/0x230 [ 958.518996] [<ffffffff81821786>] smp_apic_timer_interrupt+0x66/0x98 [ 958.518998] [<ffffffff81820a93>] apic_timer_interrupt+0x13/0x20 [ 958.518999] <EOI> [ 958.519003] [<ffffffff813a3e7d>] ? intel_idle+0xcd/0x120 [ 958.519006] [<ffffffff813a3e76>] ? intel_idle+0xc6/0x120 [ 958.519009] [<ffffffff815fdfcb>] cpuidle_idle_call+0xcb/0x500 [ 958.519013] [<ffffffff8103f876>] cpu_idle+0x56/0x80 [ 958.519015] [<ffffffff8180fd12>] start_secondary+0x21a/0x221 [ 958.519017] Code: 66 66 66 90 48 8d 04 bf 65 48 8b 14 25 d8 7c 03 00 48 c1 e0 02 48 69 d2 fa 00 00 00 f7 e2 48 8d 7a 01 ff 15 53 de b0 00 c9 c3 90 [ 958.519028] 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 08 66 66 66 66 [ 958.519034] Call Trace: [ 958.519035] <IRQ> [<ffffffff8133c5ef>] ? __delay+0xf/0x20 [ 958.519038] [<ffffffff8133c62c>] __const_udelay+0x2c/0x30 [ 958.519041] [<ffffffff8105eb6a>] arch_trigger_all_cpu_backtrace+0x6a/0x90 [ 958.519043] [<ffffffff81100060>] __rcu_pending+0x380/0x3e0 [ 958.519045] [<ffffffff8110024a>] rcu_check_callbacks+0x10a/0x160 [ 958.519048] [<ffffffff810a387d>] update_process_times+0x4d/0x70 [ 958.519050] [<ffffffff810c9cda>] tick_sched_timer+0x5a/0x150 [ 958.519052] [<ffffffff810bc193>] __run_hrtimer+0x73/0x390 [ 958.519054] [<ffffffff810c9c80>] ? tick_init_highres+0x20/0x20 [ 958.519057] [<ffffffff810bd1bf>] hrtimer_interrupt+0xff/0x230 [ 958.519060] [<ffffffff81821786>] smp_apic_timer_interrupt+0x66/0x98 [ 958.519062] [<ffffffff81820a93>] apic_timer_interrupt+0x13/0x20 [ 958.519063] <EOI> [<ffffffff813a3e7d>] ? intel_idle+0xcd/0x120 [ 958.519067] [<ffffffff813a3e76>] ? intel_idle+0xc6/0x120 [ 958.519070] [<ffffffff815fdfcb>] cpuidle_idle_call+0xcb/0x500 [ 958.519072] [<ffffffff8103f876>] cpu_idle+0x56/0x80 [ 958.519074] [<ffffffff8180fd12>] start_secondary+0x21a/0x221 [ 958.519077] NMI backtrace for cpu 2 [ 958.519079] CPU 2 [ 958.519079] Modules linked in: ipmi_devintf ipmi_si ipmi_msghandler cpufreq_conservative cdc_ether usbnet mii bnx2 shpchp i7core_edac edac_core ext4 jbd2 megaraid_sas [ 958.519086] [ 958.519087] Pid: 23, comm: ksoftirqd/2 Not tainted 3.0.1-rt8 #6 IBM System x3550 M3 -[7944K3G]-/69Y5698 [ 958.519090] RIP: 0010:[<ffffffff8107efa0>] [<ffffffff8107efa0>] task_rq_lock+0x10/0xb0 [ 958.519096] RSP: 0018:ffff88017a94fd50 EFLAGS: 00000086 [ 958.519097] RAX: 0000000000000001 RBX: ffff88017a94c600 RCX: 0000000000000000 [ 958.519099] RDX: 0000000000006c6b RSI: ffff88017a94fd98 RDI: ffff88017a94c600 [ 958.519100] RBP: ffff88017a94fd80 R08: 0000000000000001 R09: 0000000000000000 [ 958.519101] R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000ab80 [ 958.519103] R13: ffff88017a94c600 R14: ffff88017a94fdf0 R15: ffff88017a94e000 [ 958.519105] FS: 0000000000000000(0000) GS:ffff88017fc80000(0000) knlGS:0000000000000000 [ 958.519106] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 958.519108] CR2: 00007f4e2ab33000 CR3: 000000017789f000 CR4: 00000000000006e0 [ 958.519109] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 958.519111] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 958.519112] Process ksoftirqd/2 (pid: 23, threadinfo ffff88017a94e000, task ffff88017a94c600) [ 958.519113] Stack: [ 958.519114] ffff88017a94fd70 ffff88017a94c600 000000000000ab80 ffffffff8181c1ad [ 958.519117] ffff88017a94fd90 ffff88017a94c600 ffff88017a94fdb0 ffffffff81087fe4 [ 958.519119] ffff88017a94fdb0 ffffffff818180be ffff88017fc8ab80 000000000000ab80 [ 958.519121] Call Trace: [ 958.519124] [<ffffffff8181c1ad>] ? add_preempt_count+0x9d/0xd0 [ 958.519127] [<ffffffff81087fe4>] migrate_enable+0x94/0x180 [ 958.519130] [<ffffffff818180be>] ? rt_spin_unlock+0x2e/0x40 [ 958.519132] [<ffffffff81098b93>] __thread_do_softirq+0x123/0x200 [ 958.519134] [<ffffffff81098d6a>] run_ksoftirqd+0xfa/0x210 [ 958.519136] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 [ 958.519138] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 [ 958.519141] [<ffffffff810b7556>] kthread+0xa6/0xb0 [ 958.519144] [<ffffffff81818a8b>] ? _raw_spin_unlock_irq+0x3b/0x60 [ 958.519147] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 [ 958.519150] [<ffffffff81820ed4>] kernel_thread_helper+0x4/0x10 [ 958.519152] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 [ 958.519155] [<ffffffff81818f44>] ? retint_restore_args+0xe/0xe [ 958.519157] [<ffffffff810b74b0>] ? __init_kthread_worker+0xa0/0xa0 [ 958.519159] [<ffffffff81820ed0>] ? gs_change+0xb/0xb [ 958.519161] Code: 1a c2 81 e8 63 17 01 00 c6 05 04 ce fa 00 01 eb 9b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 83 ec 30 48 89 5d d8 4c 89 65 e0 <4c> 89 6d e8 4c 89 75 f0 4c 89 7d f8 66 66 66 66 90 48 c7 c3 40 [ 958.519176] Call Trace: [ 958.519178] [<ffffffff8181c1ad>] ? add_preempt_count+0x9d/0xd0 [ 958.519180] [<ffffffff81087fe4>] migrate_enable+0x94/0x180 [ 958.519182] [<ffffffff818180be>] ? rt_spin_unlock+0x2e/0x40 [ 958.519184] [<ffffffff81098b93>] __thread_do_softirq+0x123/0x200 [ 958.519186] [<ffffffff81098d6a>] run_ksoftirqd+0xfa/0x210 [ 958.519188] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 [ 958.519190] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 [ 958.519192] [<ffffffff810b7556>] kthread+0xa6/0xb0 [ 958.519195] [<ffffffff81818a8b>] ? _raw_spin_unlock_irq+0x3b/0x60 [ 958.519198] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 [ 958.519200] [<ffffffff81820ed4>] kernel_thread_helper+0x4/0x10 [ 958.519203] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 [ 958.519205] [<ffffffff81818f44>] ? retint_restore_args+0xe/0xe [ 958.519207] [<ffffffff810b74b0>] ? __init_kthread_worker+0xa0/0xa0 [ 958.519210] [<ffffffff81820ed0>] ? gs_change+0xb/0xb [ 958.519212] NMI backtrace for cpu 0 [ 958.519213] CPU 0 [ 958.519214] Modules linked in: ipmi_devintf ipmi_si ipmi_msghandler cpufreq_conservative cdc_ether usbnet mii bnx2 shpchp i7core_edac edac_core ext4 jbd2 megaraid_sas [ 958.519220] [ 958.519222] Pid: 3, comm: ksoftirqd/0 Not tainted 3.0.1-rt8 #6 IBM System x3550 M3 -[7944K3G]-/69Y5698 [ 958.519225] RIP: 0010:[<ffffffff8181c115>] [<ffffffff8181c115>] add_preempt_count+0x5/0xd0 [ 958.519228] RSP: 0018:ffff88017a801d08 EFLAGS: 00000082 [ 958.519230] RAX: 0000000000000000 RBX: ffff88017fc37d40 RCX: 0000000000000000 [ 958.519231] RDX: 000000000000ae01 RSI: ffff88017aefe720 RDI: 0000000000000001 [ 958.519233] RBP: ffff88017a801d10 R08: 0000000000000000 R09: 0000000000000000 [ 958.519234] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88017aefe0c0 [ 958.519236] R13: ffff88017aefe660 R14: ffff88017a801d98 R15: ffff88017fc37d40 [ 958.519237] FS: 0000000000000000(0000) GS:ffff88017fc00000(0000) knlGS:0000000000000000 [ 958.519239] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 958.519240] CR2: 00007f4e2ab33000 CR3: 0000000174886000 CR4: 00000000000006f0 [ 958.519242] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 958.519243] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 958.519245] Process ksoftirqd/0 (pid: 3, threadinfo ffff88017a800000, task ffff88017aefe0c0) [ 958.519246] Stack: [ 958.519247] ffff88017fc37d40 ffff88017a801d40 ffffffff8181882b ffffffff8107efd0 [ 958.519249] 0000000000000001 0000000000037d40 0000000000037d40 ffff88017a801d80 [ 958.519252] ffffffff8107efeb ffff88017a801d70 ffff88017aefe0c0 000000000000ab80 [ 958.519254] Call Trace: [ 958.519257] [<ffffffff8181882b>] _raw_spin_lock+0x1b/0x50 [ 958.519260] [<ffffffff8107efd0>] ? task_rq_lock+0x40/0xb0 [ 958.519263] [<ffffffff8107efeb>] task_rq_lock+0x5b/0xb0 [ 958.519265] [<ffffffff81087fe4>] migrate_enable+0x94/0x180 [ 958.519267] [<ffffffff81098b93>] __thread_do_softirq+0x123/0x200 [ 958.519269] [<ffffffff81098d6a>] run_ksoftirqd+0xfa/0x210 [ 958.519272] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 [ 958.519274] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 [ 958.519276] [<ffffffff810b7556>] kthread+0xa6/0xb0 [ 958.519279] [<ffffffff81818a8b>] ? _raw_spin_unlock_irq+0x3b/0x60 [ 958.519282] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 [ 958.519284] [<ffffffff81820ed4>] kernel_thread_helper+0x4/0x10 [ 958.519287] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 [ 958.519289] [<ffffffff81818f44>] ? retint_restore_args+0xe/0xe [ 958.519292] [<ffffffff810b74b0>] ? __init_kthread_worker+0xa0/0xa0 [ 958.519294] [<ffffffff81820ed0>] ? gs_change+0xb/0xb [ 958.519295] Code: d1 78 0b 01 00 75 8b be 43 10 00 00 48 c7 c7 92 1a c2 81 e8 de 45 87 ff e9 75 ff ff ff 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 [ 958.519306] 83 ec 08 66 66 66 66 90 8b 05 00 02 81 00 89 fb 85 c0 75 4e [ 958.519311] Call Trace: [ 958.519313] [<ffffffff8181882b>] _raw_spin_lock+0x1b/0x50 [ 958.519315] [<ffffffff8107efd0>] ? task_rq_lock+0x40/0xb0 [ 958.519318] [<ffffffff8107efeb>] task_rq_lock+0x5b/0xb0 [ 958.519320] [<ffffffff81087fe4>] migrate_enable+0x94/0x180 [ 958.519322] [<ffffffff81098b93>] __thread_do_softirq+0x123/0x200 [ 958.519324] [<ffffffff81098d6a>] run_ksoftirqd+0xfa/0x210 [ 958.519326] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 [ 958.519328] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 [ 958.519330] [<ffffffff810b7556>] kthread+0xa6/0xb0 [ 958.519333] [<ffffffff81818a8b>] ? _raw_spin_unlock_irq+0x3b/0x60 [ 958.519335] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 [ 958.519338] [<ffffffff81820ed4>] kernel_thread_helper+0x4/0x10 [ 958.519340] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 [ 958.519343] [<ffffffff81818f44>] ? retint_restore_args+0xe/0xe [ 958.519345] [<ffffffff810b74b0>] ? __init_kthread_worker+0xa0/0xa0 [ 958.519347] [<ffffffff81820ed0>] ? gs_change+0xb/0xb [ 1080.183365] INFO: task rcub0:10 blocked for more than 120 seconds. [ 1080.183366] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1080.183368] rcub0 D 0000000000000000 0 10 2 0x00000000 [ 1080.183372] ffff88017a841b90 0000000000000046 ffffffff81815939 0000000000000000 [ 1080.183374] ffff880100000000 ffff88017a841fd8 ffff88017a841fd8 ffff88017a841fd8 [ 1080.183377] ffff88017a840000 ffff88017a840000 0000000000004000 ffff88017a841fd8 [ 1080.183379] Call Trace: [ 1080.183386] [<ffffffff81815939>] ? __schedule+0x879/0xab0 [ 1080.183391] [<ffffffff810d80b0>] ? debug_rt_mutex_print_deadlock+0x50/0x200 [ 1080.183394] [<ffffffff810d8230>] ? debug_rt_mutex_print_deadlock+0x1d0/0x200 [ 1080.183397] [<ffffffff81087e8e>] schedule+0x2e/0xa0 [ 1080.183400] [<ffffffff818173b3>] __rt_mutex_slowlock+0x53/0xd0 [ 1080.183402] [<ffffffff818175a3>] rt_mutex_slowlock+0xd3/0x1c0 [ 1080.183405] [<ffffffff81817765>] rt_mutex_lock+0x35/0x40 [ 1080.183408] [<ffffffff810fdb09>] rcu_boost+0x99/0x120 [ 1080.183412] [<ffffffff81818b15>] ? _raw_spin_unlock_irqrestore+0x65/0x80 [ 1080.183414] [<ffffffff810fdc45>] rcu_boost_kthread+0xb5/0xe0 [ 1080.183416] [<ffffffff810fdb90>] ? rcu_boost+0x120/0x120 [ 1080.183418] [<ffffffff810fdb90>] ? rcu_boost+0x120/0x120 [ 1080.183422] [<ffffffff810b7556>] kthread+0xa6/0xb0 [ 1080.183424] [<ffffffff81818a8b>] ? _raw_spin_unlock_irq+0x3b/0x60 [ 1080.183429] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 [ 1080.183432] [<ffffffff81820ed4>] kernel_thread_helper+0x4/0x10 [ 1080.183435] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 [ 1080.183437] [<ffffffff81818f44>] ? retint_restore_args+0xe/0xe [ 1080.183440] [<ffffffff810b74b0>] ? __init_kthread_worker+0xa0/0xa0 [ 1080.183442] [<ffffffff81820ed0>] ? gs_change+0xb/0xb [ 1080.183444] no locks held by rcub0/10. [ 1080.183445] Kernel panic - not syncing: hung_task: blocked tasks [ 1080.183447] Pid: 702, comm: khungtaskd Not tainted 3.0.1-rt8 #6 [ 1080.183448] Call Trace: [ 1080.183450] [<ffffffff81814e60>] panic+0x9b/0x1a8 [ 1080.183455] [<ffffffff810f77b6>] watchdog+0x2b6/0x330 [ 1080.183457] [<ffffffff810f7578>] ? watchdog+0x78/0x330 [ 1080.183459] [<ffffffff810f7500>] ? hung_task_panic+0x20/0x20 [ 1080.183461] [<ffffffff810f7500>] ? hung_task_panic+0x20/0x20 [ 1080.183463] [<ffffffff810b7556>] kthread+0xa6/0xb0 [ 1080.183466] [<ffffffff81818a8b>] ? _raw_spin_unlock_irq+0x3b/0x60 [ 1080.183468] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 [ 1080.183471] [<ffffffff81820ed4>] kernel_thread_helper+0x4/0x10 [ 1080.183473] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 [ 1080.183475] [<ffffffff81818f44>] ? retint_restore_args+0xe/0xe [ 1080.183478] [<ffffffff810b74b0>] ? __init_kthread_worker+0xa0/0xa0 [ 1080.183480] [<ffffffff81820ed0>] ? gs_change+0xb/0xb ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: rcu stalls running 3.0.1-rt8 2011-08-08 13:55 ` rcu stalls running 3.0.1-rt8 Mike Galbraith @ 2011-08-08 23:10 ` Paul E. McKenney 2011-08-09 1:14 ` Mike Galbraith 0 siblings, 1 reply; 33+ messages in thread From: Paul E. McKenney @ 2011-08-08 23:10 UTC (permalink / raw) To: Mike Galbraith; +Cc: linux-rt-users, Thomas Gleixner, Peter Zijlstra On Mon, Aug 08, 2011 at 03:55:18PM +0200, Mike Galbraith wrote: > Greetings, > > I've had no time to tinker with this but though I should get it posted, > so build latest/greatest to make sure it's still there. It is. > > Box can be idling along, and pow. If RCU_BOOST is enabled, I get a hung > task panic after the stall. If RCU_BOOST is off, and debugging options > are cut to the bone, box will stay up despite periodic gripes. Yow! Is this new in -rt8? I wasn't seeing it in earlier versions. Then again, I was running 32 bits. Thanx, Paul > [ 958.518744] INFO: rcu_preempt_state detected stalls on CPUs/tasks: {} (detected by 1, t=65002 jiffies) > [ 958.518748] sending NMI to all CPUs: > [ 958.518751] NMI backtrace for cpu 3 > [ 958.518753] CPU 3 > [ 958.518754] Modules linked in: ipmi_devintf ipmi_si ipmi_msghandler cpufreq_conservative cdc_ether usbnet mii bnx2 shpchp i7core_edac edac_core ext4 jbd2 megaraid_sas > [ 958.518761] > [ 958.518763] Pid: 6948, comm: pert Not tainted 3.0.1-rt8 #6 IBM System x3550 M3 -[7944K3G]-/69Y5698 > [ 958.518766] RIP: 0010:[<ffffffff810cd4e7>] [<ffffffff810cd4e7>] mark_lock+0x377/0x660 > [ 958.518772] RSP: 0000:ffff88017fcc3bf8 EFLAGS: 00000082 > [ 958.518774] RAX: 0000000000000001 RBX: ffff880177eb4920 RCX: 0000000000000003 > [ 958.518775] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff88017fcc3b68 > [ 958.518777] RBP: ffff88017fcc3c48 R08: 0000000000000001 R09: 0000000000010001 > [ 958.518778] R10: 0000000000000000 R11: 0000000000010002 R12: 0000000000000000 > [ 958.518780] R13: ffff880177eb42c0 R14: ffffffff82174f20 R15: ffffffff810cc340 > [ 958.518781] FS: 00007f24e0383700(0000) GS:ffff88017fcc0000(0000) knlGS:0000000000000000 > [ 958.518783] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 958.518784] CR2: 00007f24dfce0430 CR3: 00000001752dc000 CR4: 00000000000006e0 > [ 958.518786] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 958.518787] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 958.518789] Process pert (pid: 6948, threadinfo ffff880174b92000, task ffff880177eb42c0) > [ 958.518790] Stack: > [ 958.518791] 00000000000000bb 0000000000000001 0000000000000000 ffffffff00000003 > [ 958.518794] 000048807c158089 0000000000000018 ffff880177eb42c0 0000000000000000 > [ 958.518796] 0000000000000002 0000000000000000 ffff88017fcc3d48 ffffffff810cf2d3 > [ 958.518798] Call Trace: > [ 958.518799] <IRQ> > [ 958.518802] [<ffffffff810cf2d3>] __lock_acquire+0x8e3/0x1f20 > [ 958.518804] [<ffffffff810ceef9>] ? __lock_acquire+0x509/0x1f20 > [ 958.518809] [<ffffffff81050f4f>] ? intel_pmu_enable_all+0x5f/0x110 > [ 958.518811] [<ffffffff8105117b>] ? intel_pmu_nhm_enable_all+0x2b/0x150 > [ 958.518814] [<ffffffff810d0feb>] lock_acquire+0x9b/0x1d0 > [ 958.518817] [<ffffffff810ffd69>] ? __rcu_pending+0x89/0x3e0 > [ 958.518821] [<ffffffff81818966>] _raw_spin_lock_irqsave+0x46/0x60 > [ 958.518823] [<ffffffff810ffd69>] ? __rcu_pending+0x89/0x3e0 > [ 958.518826] [<ffffffff810ffd69>] __rcu_pending+0x89/0x3e0 > [ 958.518828] [<ffffffff8110024a>] rcu_check_callbacks+0x10a/0x160 > [ 958.518832] [<ffffffff810a387d>] update_process_times+0x4d/0x70 > [ 958.518835] [<ffffffff810c9cda>] tick_sched_timer+0x5a/0x150 > [ 958.518839] [<ffffffff810bc193>] __run_hrtimer+0x73/0x390 > [ 958.518841] [<ffffffff810c9c80>] ? tick_init_highres+0x20/0x20 > [ 958.518843] [<ffffffff810bd1bf>] hrtimer_interrupt+0xff/0x230 > [ 958.518846] [<ffffffff8181c1ad>] ? add_preempt_count+0x9d/0xd0 > [ 958.518850] [<ffffffff81821786>] smp_apic_timer_interrupt+0x66/0x98 > [ 958.518852] [<ffffffff81820a93>] apic_timer_interrupt+0x13/0x20 > [ 958.518853] <EOI> > [ 958.518856] [<ffffffff81818f31>] ? retint_swapgs+0xe/0x13 > [ 958.518857] Code: 0f b7 43 20 44 89 75 c8 66 25 ff 1f 0f 85 0b 01 00 00 45 31 f6 83 3d 4c ee f5 00 00 0f 84 ca 00 00 00 b8 01 00 00 00 0f b6 4d c8 <d3> e0 48 98 49 85 46 30 0f 85 93 00 00 00 41 8d 44 24 01 a8 01 > [ 958.518874] Call Trace: > [ 958.518875] <IRQ> [<ffffffff810cf2d3>] __lock_acquire+0x8e3/0x1f20 > [ 958.518879] [<ffffffff810ceef9>] ? __lock_acquire+0x509/0x1f20 > [ 958.518881] [<ffffffff81050f4f>] ? intel_pmu_enable_all+0x5f/0x110 > [ 958.518884] [<ffffffff8105117b>] ? intel_pmu_nhm_enable_all+0x2b/0x150 > [ 958.518886] [<ffffffff810d0feb>] lock_acquire+0x9b/0x1d0 > [ 958.518888] [<ffffffff810ffd69>] ? __rcu_pending+0x89/0x3e0 > [ 958.518891] [<ffffffff81818966>] _raw_spin_lock_irqsave+0x46/0x60 > [ 958.518893] [<ffffffff810ffd69>] ? __rcu_pending+0x89/0x3e0 > [ 958.518896] [<ffffffff810ffd69>] __rcu_pending+0x89/0x3e0 > [ 958.518898] [<ffffffff8110024a>] rcu_check_callbacks+0x10a/0x160 > [ 958.518901] [<ffffffff810a387d>] update_process_times+0x4d/0x70 > [ 958.518903] [<ffffffff810c9cda>] tick_sched_timer+0x5a/0x150 > [ 958.518905] [<ffffffff810bc193>] __run_hrtimer+0x73/0x390 > [ 958.518907] [<ffffffff810c9c80>] ? tick_init_highres+0x20/0x20 > [ 958.518910] [<ffffffff810bd1bf>] hrtimer_interrupt+0xff/0x230 > [ 958.518912] [<ffffffff8181c1ad>] ? add_preempt_count+0x9d/0xd0 > [ 958.518914] [<ffffffff81821786>] smp_apic_timer_interrupt+0x66/0x98 > [ 958.518916] [<ffffffff81820a93>] apic_timer_interrupt+0x13/0x20 > [ 958.518918] <EOI> [<ffffffff81818f31>] ? retint_swapgs+0xe/0x13 > [ 958.518921] NMI backtrace for cpu 1 > [ 958.518922] CPU 1 > [ 958.518923] Modules linked in: ipmi_devintf ipmi_si ipmi_msghandler cpufreq_conservative cdc_ether usbnet mii bnx2 shpchp i7core_edac edac_core ext4 jbd2 megaraid_sas > [ 958.518929] > [ 958.518931] Pid: 0, comm: kworker/0:0 Not tainted 3.0.1-rt8 #6 IBM System x3550 M3 -[7944K3G]-/69Y5698 > [ 958.518934] RIP: 0010:[<ffffffff8133c690>] [<ffffffff8133c690>] __ndelay+0x30/0x30 > [ 958.518939] RSP: 0018:ffff88017fc43dc0 EFLAGS: 00000807 > [ 958.518940] RAX: 00000000462f5480 RBX: 0000000000002710 RCX: 0000000000000098 > [ 958.518942] RDX: 0000000000249ec0 RSI: 0000000000000002 RDI: 0000000000249ec1 > [ 958.518943] RBP: ffff88017fc43dc8 R08: 0000000000000000 R09: 0000000000000000 > [ 958.518944] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff81e2ec80 > [ 958.518946] R13: ffffffff81e2ec80 R14: ffffffff81e2ee00 R15: 000000000000fdea > [ 958.518948] FS: 0000000000000000(0000) GS:ffff88017fc40000(0000) knlGS:0000000000000000 > [ 958.518949] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 958.518951] CR2: 00007f4e2ab33000 CR3: 000000017789f000 CR4: 00000000000006e0 > [ 958.518952] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 958.518953] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 958.518955] Process kworker/0:0 (pid: 0, threadinfo ffff88017a90e000, task ffff88017a90c480) > [ 958.518956] Stack: > [ 958.518957] ffffffff8133c5ef ffff88017fc43dd8 ffffffff8133c62c ffff88017fc43df8 > [ 958.518960] ffffffff8105eb6a 0000000000000000 ffff88017fc4b8e0 ffff88017fc43e48 > [ 958.518962] ffffffff81100060 ffff88017fc43f48 ffffffff81e2ec80 ffff88017fc43e28 > [ 958.518964] Call Trace: > [ 958.518965] <IRQ> > [ 958.518967] [<ffffffff8133c5ef>] ? __delay+0xf/0x20 > [ 958.518970] [<ffffffff8133c62c>] __const_udelay+0x2c/0x30 > [ 958.518973] [<ffffffff8105eb6a>] arch_trigger_all_cpu_backtrace+0x6a/0x90 > [ 958.518976] [<ffffffff81100060>] __rcu_pending+0x380/0x3e0 > [ 958.518979] [<ffffffff8110024a>] rcu_check_callbacks+0x10a/0x160 > [ 958.518982] [<ffffffff810a387d>] update_process_times+0x4d/0x70 > [ 958.518985] [<ffffffff810c9cda>] tick_sched_timer+0x5a/0x150 > [ 958.518988] [<ffffffff810bc193>] __run_hrtimer+0x73/0x390 > [ 958.518990] [<ffffffff810c9c80>] ? tick_init_highres+0x20/0x20 > [ 958.518992] [<ffffffff810bd1bf>] hrtimer_interrupt+0xff/0x230 > [ 958.518996] [<ffffffff81821786>] smp_apic_timer_interrupt+0x66/0x98 > [ 958.518998] [<ffffffff81820a93>] apic_timer_interrupt+0x13/0x20 > [ 958.518999] <EOI> > [ 958.519003] [<ffffffff813a3e7d>] ? intel_idle+0xcd/0x120 > [ 958.519006] [<ffffffff813a3e76>] ? intel_idle+0xc6/0x120 > [ 958.519009] [<ffffffff815fdfcb>] cpuidle_idle_call+0xcb/0x500 > [ 958.519013] [<ffffffff8103f876>] cpu_idle+0x56/0x80 > [ 958.519015] [<ffffffff8180fd12>] start_secondary+0x21a/0x221 > [ 958.519017] Code: 66 66 66 90 48 8d 04 bf 65 48 8b 14 25 d8 7c 03 00 48 c1 e0 02 48 69 d2 fa 00 00 00 f7 e2 48 8d 7a 01 ff 15 53 de b0 00 c9 c3 90 > [ 958.519028] 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 08 66 66 66 66 > [ 958.519034] Call Trace: > [ 958.519035] <IRQ> [<ffffffff8133c5ef>] ? __delay+0xf/0x20 > [ 958.519038] [<ffffffff8133c62c>] __const_udelay+0x2c/0x30 > [ 958.519041] [<ffffffff8105eb6a>] arch_trigger_all_cpu_backtrace+0x6a/0x90 > [ 958.519043] [<ffffffff81100060>] __rcu_pending+0x380/0x3e0 > [ 958.519045] [<ffffffff8110024a>] rcu_check_callbacks+0x10a/0x160 > [ 958.519048] [<ffffffff810a387d>] update_process_times+0x4d/0x70 > [ 958.519050] [<ffffffff810c9cda>] tick_sched_timer+0x5a/0x150 > [ 958.519052] [<ffffffff810bc193>] __run_hrtimer+0x73/0x390 > [ 958.519054] [<ffffffff810c9c80>] ? tick_init_highres+0x20/0x20 > [ 958.519057] [<ffffffff810bd1bf>] hrtimer_interrupt+0xff/0x230 > [ 958.519060] [<ffffffff81821786>] smp_apic_timer_interrupt+0x66/0x98 > [ 958.519062] [<ffffffff81820a93>] apic_timer_interrupt+0x13/0x20 > [ 958.519063] <EOI> [<ffffffff813a3e7d>] ? intel_idle+0xcd/0x120 > [ 958.519067] [<ffffffff813a3e76>] ? intel_idle+0xc6/0x120 > [ 958.519070] [<ffffffff815fdfcb>] cpuidle_idle_call+0xcb/0x500 > [ 958.519072] [<ffffffff8103f876>] cpu_idle+0x56/0x80 > [ 958.519074] [<ffffffff8180fd12>] start_secondary+0x21a/0x221 > [ 958.519077] NMI backtrace for cpu 2 > [ 958.519079] CPU 2 > [ 958.519079] Modules linked in: ipmi_devintf ipmi_si ipmi_msghandler cpufreq_conservative cdc_ether usbnet mii bnx2 shpchp i7core_edac edac_core ext4 jbd2 megaraid_sas > [ 958.519086] > [ 958.519087] Pid: 23, comm: ksoftirqd/2 Not tainted 3.0.1-rt8 #6 IBM System x3550 M3 -[7944K3G]-/69Y5698 > [ 958.519090] RIP: 0010:[<ffffffff8107efa0>] [<ffffffff8107efa0>] task_rq_lock+0x10/0xb0 > [ 958.519096] RSP: 0018:ffff88017a94fd50 EFLAGS: 00000086 > [ 958.519097] RAX: 0000000000000001 RBX: ffff88017a94c600 RCX: 0000000000000000 > [ 958.519099] RDX: 0000000000006c6b RSI: ffff88017a94fd98 RDI: ffff88017a94c600 > [ 958.519100] RBP: ffff88017a94fd80 R08: 0000000000000001 R09: 0000000000000000 > [ 958.519101] R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000ab80 > [ 958.519103] R13: ffff88017a94c600 R14: ffff88017a94fdf0 R15: ffff88017a94e000 > [ 958.519105] FS: 0000000000000000(0000) GS:ffff88017fc80000(0000) knlGS:0000000000000000 > [ 958.519106] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 958.519108] CR2: 00007f4e2ab33000 CR3: 000000017789f000 CR4: 00000000000006e0 > [ 958.519109] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 958.519111] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 958.519112] Process ksoftirqd/2 (pid: 23, threadinfo ffff88017a94e000, task ffff88017a94c600) > [ 958.519113] Stack: > [ 958.519114] ffff88017a94fd70 ffff88017a94c600 000000000000ab80 ffffffff8181c1ad > [ 958.519117] ffff88017a94fd90 ffff88017a94c600 ffff88017a94fdb0 ffffffff81087fe4 > [ 958.519119] ffff88017a94fdb0 ffffffff818180be ffff88017fc8ab80 000000000000ab80 > [ 958.519121] Call Trace: > [ 958.519124] [<ffffffff8181c1ad>] ? add_preempt_count+0x9d/0xd0 > [ 958.519127] [<ffffffff81087fe4>] migrate_enable+0x94/0x180 > [ 958.519130] [<ffffffff818180be>] ? rt_spin_unlock+0x2e/0x40 > [ 958.519132] [<ffffffff81098b93>] __thread_do_softirq+0x123/0x200 > [ 958.519134] [<ffffffff81098d6a>] run_ksoftirqd+0xfa/0x210 > [ 958.519136] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 > [ 958.519138] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 > [ 958.519141] [<ffffffff810b7556>] kthread+0xa6/0xb0 > [ 958.519144] [<ffffffff81818a8b>] ? _raw_spin_unlock_irq+0x3b/0x60 > [ 958.519147] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 > [ 958.519150] [<ffffffff81820ed4>] kernel_thread_helper+0x4/0x10 > [ 958.519152] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 > [ 958.519155] [<ffffffff81818f44>] ? retint_restore_args+0xe/0xe > [ 958.519157] [<ffffffff810b74b0>] ? __init_kthread_worker+0xa0/0xa0 > [ 958.519159] [<ffffffff81820ed0>] ? gs_change+0xb/0xb > [ 958.519161] Code: 1a c2 81 e8 63 17 01 00 c6 05 04 ce fa 00 01 eb 9b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 83 ec 30 48 89 5d d8 4c 89 65 e0 <4c> 89 6d e8 4c 89 75 f0 4c 89 7d f8 66 66 66 66 90 48 c7 c3 40 > [ 958.519176] Call Trace: > [ 958.519178] [<ffffffff8181c1ad>] ? add_preempt_count+0x9d/0xd0 > [ 958.519180] [<ffffffff81087fe4>] migrate_enable+0x94/0x180 > [ 958.519182] [<ffffffff818180be>] ? rt_spin_unlock+0x2e/0x40 > [ 958.519184] [<ffffffff81098b93>] __thread_do_softirq+0x123/0x200 > [ 958.519186] [<ffffffff81098d6a>] run_ksoftirqd+0xfa/0x210 > [ 958.519188] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 > [ 958.519190] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 > [ 958.519192] [<ffffffff810b7556>] kthread+0xa6/0xb0 > [ 958.519195] [<ffffffff81818a8b>] ? _raw_spin_unlock_irq+0x3b/0x60 > [ 958.519198] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 > [ 958.519200] [<ffffffff81820ed4>] kernel_thread_helper+0x4/0x10 > [ 958.519203] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 > [ 958.519205] [<ffffffff81818f44>] ? retint_restore_args+0xe/0xe > [ 958.519207] [<ffffffff810b74b0>] ? __init_kthread_worker+0xa0/0xa0 > [ 958.519210] [<ffffffff81820ed0>] ? gs_change+0xb/0xb > [ 958.519212] NMI backtrace for cpu 0 > [ 958.519213] CPU 0 > [ 958.519214] Modules linked in: ipmi_devintf ipmi_si ipmi_msghandler cpufreq_conservative cdc_ether usbnet mii bnx2 shpchp i7core_edac edac_core ext4 jbd2 megaraid_sas > [ 958.519220] > [ 958.519222] Pid: 3, comm: ksoftirqd/0 Not tainted 3.0.1-rt8 #6 IBM System x3550 M3 -[7944K3G]-/69Y5698 > [ 958.519225] RIP: 0010:[<ffffffff8181c115>] [<ffffffff8181c115>] add_preempt_count+0x5/0xd0 > [ 958.519228] RSP: 0018:ffff88017a801d08 EFLAGS: 00000082 > [ 958.519230] RAX: 0000000000000000 RBX: ffff88017fc37d40 RCX: 0000000000000000 > [ 958.519231] RDX: 000000000000ae01 RSI: ffff88017aefe720 RDI: 0000000000000001 > [ 958.519233] RBP: ffff88017a801d10 R08: 0000000000000000 R09: 0000000000000000 > [ 958.519234] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88017aefe0c0 > [ 958.519236] R13: ffff88017aefe660 R14: ffff88017a801d98 R15: ffff88017fc37d40 > [ 958.519237] FS: 0000000000000000(0000) GS:ffff88017fc00000(0000) knlGS:0000000000000000 > [ 958.519239] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 958.519240] CR2: 00007f4e2ab33000 CR3: 0000000174886000 CR4: 00000000000006f0 > [ 958.519242] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 958.519243] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 958.519245] Process ksoftirqd/0 (pid: 3, threadinfo ffff88017a800000, task ffff88017aefe0c0) > [ 958.519246] Stack: > [ 958.519247] ffff88017fc37d40 ffff88017a801d40 ffffffff8181882b ffffffff8107efd0 > [ 958.519249] 0000000000000001 0000000000037d40 0000000000037d40 ffff88017a801d80 > [ 958.519252] ffffffff8107efeb ffff88017a801d70 ffff88017aefe0c0 000000000000ab80 > [ 958.519254] Call Trace: > [ 958.519257] [<ffffffff8181882b>] _raw_spin_lock+0x1b/0x50 > [ 958.519260] [<ffffffff8107efd0>] ? task_rq_lock+0x40/0xb0 > [ 958.519263] [<ffffffff8107efeb>] task_rq_lock+0x5b/0xb0 > [ 958.519265] [<ffffffff81087fe4>] migrate_enable+0x94/0x180 > [ 958.519267] [<ffffffff81098b93>] __thread_do_softirq+0x123/0x200 > [ 958.519269] [<ffffffff81098d6a>] run_ksoftirqd+0xfa/0x210 > [ 958.519272] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 > [ 958.519274] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 > [ 958.519276] [<ffffffff810b7556>] kthread+0xa6/0xb0 > [ 958.519279] [<ffffffff81818a8b>] ? _raw_spin_unlock_irq+0x3b/0x60 > [ 958.519282] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 > [ 958.519284] [<ffffffff81820ed4>] kernel_thread_helper+0x4/0x10 > [ 958.519287] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 > [ 958.519289] [<ffffffff81818f44>] ? retint_restore_args+0xe/0xe > [ 958.519292] [<ffffffff810b74b0>] ? __init_kthread_worker+0xa0/0xa0 > [ 958.519294] [<ffffffff81820ed0>] ? gs_change+0xb/0xb > [ 958.519295] Code: d1 78 0b 01 00 75 8b be 43 10 00 00 48 c7 c7 92 1a c2 81 e8 de 45 87 ff e9 75 ff ff ff 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 > [ 958.519306] 83 ec 08 66 66 66 66 90 8b 05 00 02 81 00 89 fb 85 c0 75 4e > [ 958.519311] Call Trace: > [ 958.519313] [<ffffffff8181882b>] _raw_spin_lock+0x1b/0x50 > [ 958.519315] [<ffffffff8107efd0>] ? task_rq_lock+0x40/0xb0 > [ 958.519318] [<ffffffff8107efeb>] task_rq_lock+0x5b/0xb0 > [ 958.519320] [<ffffffff81087fe4>] migrate_enable+0x94/0x180 > [ 958.519322] [<ffffffff81098b93>] __thread_do_softirq+0x123/0x200 > [ 958.519324] [<ffffffff81098d6a>] run_ksoftirqd+0xfa/0x210 > [ 958.519326] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 > [ 958.519328] [<ffffffff81098c70>] ? __thread_do_softirq+0x200/0x200 > [ 958.519330] [<ffffffff810b7556>] kthread+0xa6/0xb0 > [ 958.519333] [<ffffffff81818a8b>] ? _raw_spin_unlock_irq+0x3b/0x60 > [ 958.519335] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 > [ 958.519338] [<ffffffff81820ed4>] kernel_thread_helper+0x4/0x10 > [ 958.519340] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 > [ 958.519343] [<ffffffff81818f44>] ? retint_restore_args+0xe/0xe > [ 958.519345] [<ffffffff810b74b0>] ? __init_kthread_worker+0xa0/0xa0 > [ 958.519347] [<ffffffff81820ed0>] ? gs_change+0xb/0xb > [ 1080.183365] INFO: task rcub0:10 blocked for more than 120 seconds. > [ 1080.183366] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > [ 1080.183368] rcub0 D 0000000000000000 0 10 2 0x00000000 > [ 1080.183372] ffff88017a841b90 0000000000000046 ffffffff81815939 0000000000000000 > [ 1080.183374] ffff880100000000 ffff88017a841fd8 ffff88017a841fd8 ffff88017a841fd8 > [ 1080.183377] ffff88017a840000 ffff88017a840000 0000000000004000 ffff88017a841fd8 > [ 1080.183379] Call Trace: > [ 1080.183386] [<ffffffff81815939>] ? __schedule+0x879/0xab0 > [ 1080.183391] [<ffffffff810d80b0>] ? debug_rt_mutex_print_deadlock+0x50/0x200 > [ 1080.183394] [<ffffffff810d8230>] ? debug_rt_mutex_print_deadlock+0x1d0/0x200 > [ 1080.183397] [<ffffffff81087e8e>] schedule+0x2e/0xa0 > [ 1080.183400] [<ffffffff818173b3>] __rt_mutex_slowlock+0x53/0xd0 > [ 1080.183402] [<ffffffff818175a3>] rt_mutex_slowlock+0xd3/0x1c0 > [ 1080.183405] [<ffffffff81817765>] rt_mutex_lock+0x35/0x40 > [ 1080.183408] [<ffffffff810fdb09>] rcu_boost+0x99/0x120 > [ 1080.183412] [<ffffffff81818b15>] ? _raw_spin_unlock_irqrestore+0x65/0x80 > [ 1080.183414] [<ffffffff810fdc45>] rcu_boost_kthread+0xb5/0xe0 > [ 1080.183416] [<ffffffff810fdb90>] ? rcu_boost+0x120/0x120 > [ 1080.183418] [<ffffffff810fdb90>] ? rcu_boost+0x120/0x120 > [ 1080.183422] [<ffffffff810b7556>] kthread+0xa6/0xb0 > [ 1080.183424] [<ffffffff81818a8b>] ? _raw_spin_unlock_irq+0x3b/0x60 > [ 1080.183429] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 > [ 1080.183432] [<ffffffff81820ed4>] kernel_thread_helper+0x4/0x10 > [ 1080.183435] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 > [ 1080.183437] [<ffffffff81818f44>] ? retint_restore_args+0xe/0xe > [ 1080.183440] [<ffffffff810b74b0>] ? __init_kthread_worker+0xa0/0xa0 > [ 1080.183442] [<ffffffff81820ed0>] ? gs_change+0xb/0xb > [ 1080.183444] no locks held by rcub0/10. > [ 1080.183445] Kernel panic - not syncing: hung_task: blocked tasks > [ 1080.183447] Pid: 702, comm: khungtaskd Not tainted 3.0.1-rt8 #6 > [ 1080.183448] Call Trace: > [ 1080.183450] [<ffffffff81814e60>] panic+0x9b/0x1a8 > [ 1080.183455] [<ffffffff810f77b6>] watchdog+0x2b6/0x330 > [ 1080.183457] [<ffffffff810f7578>] ? watchdog+0x78/0x330 > [ 1080.183459] [<ffffffff810f7500>] ? hung_task_panic+0x20/0x20 > [ 1080.183461] [<ffffffff810f7500>] ? hung_task_panic+0x20/0x20 > [ 1080.183463] [<ffffffff810b7556>] kthread+0xa6/0xb0 > [ 1080.183466] [<ffffffff81818a8b>] ? _raw_spin_unlock_irq+0x3b/0x60 > [ 1080.183468] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 > [ 1080.183471] [<ffffffff81820ed4>] kernel_thread_helper+0x4/0x10 > [ 1080.183473] [<ffffffff810825e5>] ? finish_task_switch+0x85/0x130 > [ 1080.183475] [<ffffffff81818f44>] ? retint_restore_args+0xe/0xe > [ 1080.183478] [<ffffffff810b74b0>] ? __init_kthread_worker+0xa0/0xa0 > [ 1080.183480] [<ffffffff81820ed0>] ? gs_change+0xb/0xb > > ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: rcu stalls running 3.0.1-rt8 2011-08-08 23:10 ` Paul E. McKenney @ 2011-08-09 1:14 ` Mike Galbraith 0 siblings, 0 replies; 33+ messages in thread From: Mike Galbraith @ 2011-08-09 1:14 UTC (permalink / raw) To: paulmck; +Cc: linux-rt-users, Thomas Gleixner, Peter Zijlstra On Mon, 2011-08-08 at 16:10 -0700, Paul E. McKenney wrote: > On Mon, Aug 08, 2011 at 03:55:18PM +0200, Mike Galbraith wrote: > > Greetings, > > > > I've had no time to tinker with this but though I should get it posted, > > so build latest/greatest to make sure it's still there. It is. > > > > Box can be idling along, and pow. If RCU_BOOST is enabled, I get a hung > > task panic after the stall. If RCU_BOOST is off, and debugging options > > are cut to the bone, box will stay up despite periodic gripes. > > Yow! > > Is this new in -rt8? I wasn't seeing it in earlier versions. Then > again, I was running 32 bits. No, I saw it in earlier releases too. The only thing I've done since first seeing it is a quick build to see if it was still alive, or had died of boredom while waiting for me to come out and play ;-) -Mike ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-05 21:44 [ANNOUNCE] 3.0.1-rt8 Peter Zijlstra 2011-08-08 13:55 ` rcu stalls running 3.0.1-rt8 Mike Galbraith @ 2011-08-09 15:13 ` Tim Sander 2011-08-11 9:43 ` Peter Zijlstra 2011-08-11 10:45 ` Peter Zijlstra 2011-08-09 18:31 ` [ANNOUNCE] 3.0.1-rt8 Fernando Lopez-Lezcano 2 siblings, 2 replies; 33+ messages in thread From: Tim Sander @ 2011-08-09 15:13 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users [-- Attachment #1: Type: text/Plain, Size: 44001 bytes --] Hi I found a regression in 3.0.1-rt8 compared to 3.0-rt7 in RTB configuration. The kernelconfig is attached. Plattform arm1136jfs (pcm043). Heres the output on booting: Starting kernel ... Uncompressing Linux... done, booting the kernel. drivers/rtc/hctosys.c: unable to open rtc device (rtc0) kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7a44000 [00000000] *pgd=87a3e831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#1] PREEMPT Modules linked in: CPU: 0 Not tainted (3.0.1-pmx-rt8 #1) PC is at __bug+0x24/0x30 LR is at vprintk+0x3b4/0x404 pc : [<c002cbd0>] lr : [<c003e29c>] psr: 20000013 sp : c7a37ce8 ip : c7a37c30 fp : c7a37cf4 r10: c7a62c60 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000008 r5 : c0428aa0 r4 : c7a37d78 r3 : 00000000 r2 : 00000002 r1 : 00000000 r0 : 00000027 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87a44008 DAC: 00000015 Process udevd (pid: 216, stack limit = 0xc7a36268) Stack: (0xc7a37ce8 to 0xc7a38000) 7ce0: c7a37d14 c7a37cf8 c0076a30 c002cbb8 c7a37d78 c7a3d7a0 7d00: 00000008 c0253020 c7a37d74 c7a37d18 c0076bb0 c00769f8 00000008 00000000 7d20: c7a37d44 c7a37d40 c7a36000 00000000 00001000 00000000 00000000 00000000 7d40: c7a37d74 c0428aa0 c0041c64 00000000 00000000 00000000 c7a62c60 c7a37d78 7d60: 00000000 00000000 c7a37dac c7a37d78 c0076ce8 c0076ad4 c7a37f10 00000001 7d80: 00000000 00000008 00000000 00000000 00000000 c7a62c60 c7a3d6f0 00000008 7da0: c7a37e3c c7a37db0 c0078ee4 c0076c98 00000000 00000000 c7a37ed0 00000008 7dc0: 00000000 c0035098 c7a37dec c7a37dd8 c0035098 c002b600 c7a3d7a0 c7a37ed0 7de0: c7a37f10 c7a37e98 c008ec84 c0034fe8 00000000 00000001 c7a37e24 c7a3fa18 7e00: 400d3000 00000000 c7a45000 00000008 c7a09860 00000000 c7a62c60 c7a3d70c 7e20: 00000000 c7a37e98 c7a37f10 00000001 c7a37e8c c7a37e40 c0078fa8 c0078a88 7e40: c002b5f4 00000001 91827364 c7a37e4c c7a37e4c c7a37e54 c7a37e54 00000000 7e60: c7a37eb4 c7a62c60 c7a37e98 c7a37f70 c7a37f10 fffffdee c7a36000 00000000 7e80: c7a37f3c c7a37e90 c00a18a0 c0078f3c 00000000 00000000 c014e08c c0034fe8 7ea0: 00000000 00000001 ffffffff c7a62c60 00000000 00000000 00000000 00000000 7ec0: c7860960 c005c35c 00000000 00000000 00000000 00000000 00000007 400d3000 7ee0: 00000008 c7a37fb0 00000008 be9ba378 c7a37fac c7a37f00 c002420c c002f0f4 7f00: c00242b0 c002f0f4 c7a37f2c c7a37f18 400d3000 00000008 c7a09898 00000008 7f20: c7a62c60 400d3000 c7a37f70 00000008 c7a37f6c c7a37f40 c00a1ff4 c00a1804 7f40: c7a36000 400d3000 00001000 c7a62c60 400d3000 00000000 00000000 00000008 7f60: c7a37fa4 c7a37f70 c00a2278 c00a1f44 00000000 00000000 00000022 00000000 7f80: ffffffff 00000008 000233d8 400d3000 00000004 c0029c04 00000000 c7a37fa8 7fa0: c0029a80 c00a2240 00000008 000233d8 0000000a 400d3000 00000008 00000000 7fc0: 00000008 000233d8 400d3000 00000004 00000008 00022344 000c42e8 00000001 7fe0: 00000000 be9b96e8 4017fe0c 401d321c 60000010 0000000a d4cc6578 c2888810 Backtrace: [<c002cbac>] (__bug+0x0/0x30) from [<c0076a30>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c00769ec>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076bb0>] (generic_perform_write+0xe8/0x1c4) r7:c0253020 r6:00000008 r5:c7a3d7a0 r4:c7a37d78 [<c0076ac8>] (generic_perform_write+0x0/0x1c4) from [<c0076ce8>] (generic_file_buffered_write+0x5c/0x88) [<c0076c8c>] (generic_file_buffered_write+0x0/0x88) from [<c0078ee4>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a3d6f0 r6:c7a62c60 r5:00000000 r4:00000000 [<c0078a7c>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078fa8>] (generic_file_aio_write+0x78/0xe8) [<c0078f30>] (generic_file_aio_write+0x0/0xe8) from [<c00a18a0>] (do_sync_write+0xa8/0xe4) [<c00a17f8>] (do_sync_write+0x0/0xe4) from [<c00a1ff4>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400d3000 r5:c7a62c60 r4:00000008 [<c00a1f38>] (vfs_write+0x0/0x148) from [<c00a2278>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400d3000 r4:c7a62c60 [<c00a2234>] (sys_write+0x0/0x70) from [<c0029a80>] (ret_fast_syscall+0x0/0x30) r8:c0029c04 r7:00000004 r6:400d3000 r5:000233d8 r4:00000008 Code: e59f0010 e1a01003 eb087524 e3a03000 (e5833000) ---[ end trace 8dc2e804e8379a4c ]--- note: udevd[216] exited with preempt_count 1 BUG: scheduling while atomic: udevd/216/0x40000002 Modules linked in: Backtrace: [<c002cdd8>] (dump_backtrace+0x0/0x110) from [<c0249ed8>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249ec0>] (dump_stack+0x0/0x1c) from [<c0034fd0>] (__schedule_bug+0x58/0x64) [<c0034f78>] (__schedule_bug+0x0/0x64) from [<c024a1d8>] (__schedule+0x60/0x2f0) r4:c7860960 r3:00000000 [<c024a178>] (__schedule+0x0/0x2f0) from [<c0035754>] (__cond_resched+0x24/0x3c) [<c0035730>] (__cond_resched+0x0/0x3c) from [<c024a50c>] (_cond_resched+0x38/0x48) r4:c7a37abc r3:00000001 [<c024a4d4>] (_cond_resched+0x0/0x48) from [<c0090330>] (unmap_page_range+0x1c4/0x1dc) [<c009016c>] (unmap_page_range+0x0/0x1dc) from [<c0090838>] (unmap_vmas+0x80/0xb0) [<c00907b8>] (unmap_vmas+0x0/0xb0) from [<c0094a88>] (exit_mmap+0x12c/0x290) [<c009495c>] (exit_mmap+0x0/0x290) from [<c003b1a8>] (mmput+0x3c/0xec) r7:c7a09894 r6:00000000 r5:00000000 r4:c7a09860 [<c003b16c>] (mmput+0x0/0xec) from [<c003f280>] (exit_mm+0x150/0x160) r5:c7860960 r4:c7a09860 [<c003f130>] (exit_mm+0x0/0x160) from [<c0040a50>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7860960 [<c0040858>] (do_exit+0x0/0x2d8) from [<c002d328>] (die+0x114/0x128) [<c002d214>] (die+0x0/0x128) from [<c002f0c8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a09860 r5:00000817 r4:00000000 [<c002f05c>] (__do_kernel_fault+0x0/0x8c) from [<c002f21c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860960 r5:c7a09860 r4:c7a37ca0 r3:c7a37ca0 [<c002f0e8>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c0428aa0 00000008 00000000 7cc0: 00000000 00000000 c7a62c60 c7a37cf4 c7a37c30 c7a37ce8 c003e29c c002cbd0 7ce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff [<c002cbac>] (__bug+0x0/0x30) from [<c0076a30>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c00769ec>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076bb0>] (generic_perform_write+0xe8/0x1c4) r7:c0253020 r6:00000008 r5:c7a3d7a0 r4:c7a37d78 [<c0076ac8>] (generic_perform_write+0x0/0x1c4) from [<c0076ce8>] (generic_file_buffered_write+0x5c/0x88) [<c0076c8c>] (generic_file_buffered_write+0x0/0x88) from [<c0078ee4>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a3d6f0 r6:c7a62c60 r5:00000000 r4:00000000 [<c0078a7c>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078fa8>] (generic_file_aio_write+0x78/0xe8) [<c0078f30>] (generic_file_aio_write+0x0/0xe8) from [<c00a18a0>] (do_sync_write+0xa8/0xe4) [<c00a17f8>] (do_sync_write+0x0/0xe4) from [<c00a1ff4>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400d3000 r5:c7a62c60 r4:00000008 [<c00a1f38>] (vfs_write+0x0/0x148) from [<c00a2278>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400d3000 r4:c7a62c60 [<c00a2234>] (sys_write+0x0/0x70) from [<c0029a80>] (ret_fast_syscall+0x0/0x30) r8:c0029c04 r7:00000004 r6:400d3000 r5:000233d8 r4:00000008 init: mount main process (218) terminated with status 1 BUG: scheduling while atomic: udevd/216/0x40000002 Modules linked in: nand_ids(+) nand_ecc Backtrace: [<c002cdd8>] (dump_backtrace+0x0/0x110) from [<c0249ed8>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000013 [<c0249ec0>] (dump_stack+0x0/0x1c) from [<c0034fd0>] (__schedule_bug+0x58/0x64) [<c0034f78>] (__schedule_bug+0x0/0x64) from [<c024a1d8>] (__schedule+0x60/0x2f0) r4:c7860960 r3:00000000 [<c024a178>] (__schedule+0x0/0x2f0) from [<c0035754>] (__cond_resched+0x24/0x3c) [<c0035730>] (__cond_resched+0x0/0x3c) from [<c024a50c>] (_cond_resched+0x38/0x48) r4:c7818c80 r3:00000001 [<c024a4d4>] (_cond_resched+0x0/0x48) from [<c0040750>] (put_files_struct+0x94/0xec) [<c00406bc>] (put_files_struct+0x0/0xec) from [<c0040854>] (exit_files+0x58/0x5c) [<c00407fc>] (exit_files+0x0/0x5c) from [<c0040a60>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7860960 [<c0040858>] (do_exit+0x0/0x2d8) from [<c002d328>] (die+0x114/0x128) [<c002d214>] (die+0x0/0x128) from [<c002f0c8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a09860 r5:00000817 r4:00000000 [<c002f05c>] (__do_kernel_fault+0x0/0x8c) from [<c002f21c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860960 r5:c7a09860 r4:c7a37ca0 r3:c7a37ca0 [<c002f0e8>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c0428aa0 00000008 00000000 7cc0: 00000000 00000000 c7a62c60 c7a37cf4 c7a37c30 c7a37ce8 c003e29c c002cbd0 7ce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff [<c002cbac>] (__bug+0x0/0x30) from [<c0076a30>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c00769ec>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076bb0>] (generic_perform_write+0xe8/0x1c4) r7:c0253020 r6:00000008 r5:c7a3d7a0 r4:c7a37d78 [<c0076ac8>] (generic_perform_write+0x0/0x1c4) from [<c0076ce8>] (generic_file_buffered_write+0x5c/0x88) [<c0076c8c>] (generic_file_buffered_write+0x0/0x88) from [<c0078ee4>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a3d6f0 r6:c7a62c60 r5:00000000 r4:00000000 [<c0078a7c>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078fa8>] (generic_file_aio_write+0x78/0xe8) [<c0078f30>] (generic_file_aio_write+0x0/0xe8) from [<c00a18a0>] (do_sync_write+0xa8/0xe4) [<c00a17f8>] (do_sync_write+0x0/0xe4) from [<c00a1ff4>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400d3000 r5:c7a62c60 r4:00000008 [<c00a1f38>] (vfs_write+0x0/0x148) from [<c00a2278>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400d3000 r4:c7a62c60 [<c00a2234>] (sys_write+0x0/0x70) from [<c0029a80>] (ret_fast_syscall+0x0/0x30) r8:c0029c04 r7:00000004 r6:400d3000 r5:000233d8 r4:00000008 BUG: scheduling while atomic: udevd/216/0x40000002 Modules linked in: nand_ids(+) nand_ecc Backtrace: [<c002cdd8>] (dump_backtrace+0x0/0x110) from [<c0249ed8>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000013 [<c0249ec0>] (dump_stack+0x0/0x1c) from [<c0034fd0>] (__schedule_bug+0x58/0x64) [<c0034f78>] (__schedule_bug+0x0/0x64) from [<c024a1d8>] (__schedule+0x60/0x2f0) r4:c7860960 r3:00000000 [<c024a178>] (__schedule+0x0/0x2f0) from [<c0035754>] (__cond_resched+0x24/0x3c) [<c0035730>] (__cond_resched+0x0/0x3c) from [<c024a50c>] (_cond_resched+0x38/0x48) r4:c7818c80 r3:00000001 [<c024a4d4>] (_cond_resched+0x0/0x48) from [<c0040750>] (put_files_struct+0x94/0xec) [<c00406bc>] (put_files_struct+0x0/0xec) from [<c0040854>] (exit_files+0x58/0x5c) [<c00407fc>] (exit_files+0x0/0x5c) from [<c0040a60>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7860960 [<c0040858>] (do_exit+0x0/0x2d8) from [<c002d328>] (die+0x114/0x128) [<c002d214>] (die+0x0/0x128) from [<c002f0c8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a09860 r5:00000817 r4:00000000 [<c002f05c>] (__do_kernel_fault+0x0/0x8c) from [<c002f21c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860960 r5:c7a09860 r4:c7a37ca0 r3:c7a37ca0 [<c002f0e8>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c0428aa0 00000008 00000000 7cc0: 00000000 00000000 c7a62c60 c7a37cf4 c7a37c30 c7a37ce8 c003e29c c002cbd0 7ce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff [<c002cbac>] (__bug+0x0/0x30) from [<c0076a30>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c00769ec>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076bb0>] (generic_perform_write+0xe8/0x1c4) r7:c0253020 r6:00000008 r5:c7a3d7a0 r4:c7a37d78 [<c0076ac8>] (generic_perform_write+0x0/0x1c4) from [<c0076ce8>] (generic_file_buffered_write+0x5c/0x88) [<c0076c8c>] (generic_file_buffered_write+0x0/0x88) from [<c0078ee4>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a3d6f0 r6:c7a62c60 r5:00000000 r4:00000000 [<c0078a7c>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078fa8>] (generic_file_aio_write+0x78/0xe8) [<c0078f30>] (generic_file_aio_write+0x0/0xe8) from [<c00a18a0>] (do_sync_write+0xa8/0xe4) [<c00a17f8>] (do_sync_write+0x0/0xe4) from [<c00a1ff4>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400d3000 r5:c7a62c60 r4:00000008 [<c00a1f38>] (vfs_write+0x0/0x148) from [<c00a2278>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400d3000 r4:c7a62c60 [<c00a2234>] (sys_write+0x0/0x70) from [<c0029a80>] (ret_fast_syscall+0x0/0x30) r8:c0029c04 r7:00000004 r6:400d3000 r5:000233d8 r4:00000008 tim login: BUG: scheduling while atomic: udevd/216/0x40000002 Modules linked in: nand_ids(+) nand_ecc Backtrace: [<c002cdd8>] (dump_backtrace+0x0/0x110) from [<c0249ed8>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000013 [<c0249ec0>] (dump_stack+0x0/0x1c) from [<c0034fd0>] (__schedule_bug+0x58/0x64) [<c0034f78>] (__schedule_bug+0x0/0x64) from [<c024a1d8>] (__schedule+0x60/0x2f0) r4:c7860960 r3:00000000 [<c024a178>] (__schedule+0x0/0x2f0) from [<c0035754>] (__cond_resched+0x24/0x3c) [<c0035730>] (__cond_resched+0x0/0x3c) from [<c024a50c>] (_cond_resched+0x38/0x48) r4:c7818c80 r3:00000001 [<c024a4d4>] (_cond_resched+0x0/0x48) from [<c0040750>] (put_files_struct+0x94/0xec) [<c00406bc>] (put_files_struct+0x0/0xec) from [<c0040854>] (exit_files+0x58/0x5c) [<c00407fc>] (exit_files+0x0/0x5c) from [<c0040a60>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7860960 [<c0040858>] (do_exit+0x0/0x2d8) from [<c002d328>] (die+0x114/0x128) [<c002d214>] (die+0x0/0x128) from [<c002f0c8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a09860 r5:00000817 r4:00000000 [<c002f05c>] (__do_kernel_fault+0x0/0x8c) from [<c002f21c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860960 r5:c7a09860 r4:c7a37ca0 r3:c7a37ca0 [<c002f0e8>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c0428aa0 00000008 00000000 7cc0: 00000000 00000000 c7a62c60 c7a37cf4 c7a37c30 c7a37ce8 c003e29c c002cbd0 7ce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff [<c002cbac>] (__bug+0x0/0x30) from [<c0076a30>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c00769ec>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076bb0>] (generic_perform_write+0xe8/0x1c4) r7:c0253020 r6:00000008 r5:c7a3d7a0 r4:c7a37d78 [<c0076ac8>] (generic_perform_write+0x0/0x1c4) from [<c0076ce8>] (generic_file_buffered_write+0x5c/0x88) [<c0076c8c>] (generic_file_buffered_write+0x0/0x88) from [<c0078ee4>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a3d6f0 r6:c7a62c60 r5:00000000 r4:00000000 [<c0078a7c>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078fa8>] (generic_file_aio_write+0x78/0xe8) [<c0078f30>] (generic_file_aio_write+0x0/0xe8) from [<c00a18a0>] (do_sync_write+0xa8/0xe4) [<c00a17f8>] (do_sync_write+0x0/0xe4) from [<c00a1ff4>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400d3000 r5:c7a62c60 r4:00000008 [<c00a1f38>] (vfs_write+0x0/0x148) from [<c00a2278>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400d3000 r4:c7a62c60 [<c00a2234>] (sys_write+0x0/0x70) from [<c0029a80>] (ret_fast_syscall+0x0/0x30) r8:c0029c04 r7:00000004 r6:400d3000 r5:000233d8 r4:00000008 BUG: scheduling while atomic: udevd/216/0x40000002 Modules linked in: nand_ids nand_ecc Backtrace: [<c002cdd8>] (dump_backtrace+0x0/0x110) from [<c0249ed8>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000013 [<c0249ec0>] (dump_stack+0x0/0x1c) from [<c0034fd0>] (__schedule_bug+0x58/0x64) [<c0034f78>] (__schedule_bug+0x0/0x64) from [<c024a1d8>] (__schedule+0x60/0x2f0) r4:c7860960 r3:00000000 [<c024a178>] (__schedule+0x0/0x2f0) from [<c0035754>] (__cond_resched+0x24/0x3c) [<c0035730>] (__cond_resched+0x0/0x3c) from [<c024a50c>] (_cond_resched+0x38/0x48) r4:c7818c80 r3:00000001 [<c024a4d4>] (_cond_resched+0x0/0x48) from [<c0040750>] (put_files_struct+0x94/0xec) [<c00406bc>] (put_files_struct+0x0/0xec) from [<c0040854>] (exit_files+0x58/0x5c) [<c00407fc>] (exit_files+0x0/0x5c) from [<c0040a60>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7860960 [<c0040858>] (do_exit+0x0/0x2d8) from [<c002d328>] (die+0x114/0x128) [<c002d214>] (die+0x0/0x128) from [<c002f0c8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a09860 r5:00000817 r4:00000000 [<c002f05c>] (__do_kernel_fault+0x0/0x8c) from [<c002f21c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860960 r5:c7a09860 r4:c7a37ca0 r3:c7a37ca0 [<c002f0e8>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c0428aa0 00000008 00000000 7cc0: 00000000 00000000 c7a62c60 c7a37cf4 c7a37c30 c7a37ce8 c003e29c c002cbd0 7ce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff [<c002cbac>] (__bug+0x0/0x30) from [<c0076a30>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c00769ec>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076bb0>] (generic_perform_write+0xe8/0x1c4) r7:c0253020 r6:00000008 r5:c7a3d7a0 r4:c7a37d78 [<c0076ac8>] (generic_perform_write+0x0/0x1c4) from [<c0076ce8>] (generic_file_buffered_write+0x5c/0x88) [<c0076c8c>] (generic_file_buffered_write+0x0/0x88) from [<c0078ee4>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a3d6f0 r6:c7a62c60 r5:00000000 r4:00000000 [<c0078a7c>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078fa8>] (generic_file_aio_write+0x78/0xe8) [<c0078f30>] (generic_file_aio_write+0x0/0xe8) from [<c00a18a0>] (do_sync_write+0xa8/0xe4) [<c00a17f8>] (do_sync_write+0x0/0xe4) from [<c00a1ff4>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400d3000 r5:c7a62c60 r4:00000008 [<c00a1f38>] (vfs_write+0x0/0x148) from [<c00a2278>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400d3000 r4:c7a62c60 [<c00a2234>] (sys_write+0x0/0x70) from [<c0029a80>] (ret_fast_syscall+0x0/0x30) r8:c0029c04 r7:00000004 r6:400d3000 r5:000233d8 r4:00000008 NAND device: Manufacturer ID: 0xec, Chip ID: 0xd3 (Samsung NAND 1GiB 3,3V 8- bit) kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7abc000 [00000000] *pgd=87ab3831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#2] PREEMPT Modules linked in: mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #1) PC is at __bug+0x24/0x30 LR is at vprintk+0x398/0x404 pc : [<c002cbd0>] lr : [<c003e280>] psr: 60000013 sp : c7aa7ce8 ip : c7aa7c30 fp : c7aa7cf4 r10: c7a9fba0 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000041 r5 : c03346e0 r4 : c7aa7d78 r3 : 00000000 r2 : 00000002 r1 : 00000001 r0 : 00000027 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87abc008 DAC: 00000015 Process syslogd (pid: 230, stack limit = 0xc7aa6268) Stack: (0xc7aa7ce8 to 0xc7aa8000) 7ce0: c7aa7d14 c7aa7cf8 c0076a30 c002cbb8 c7aa7d78 c7a3d490 7d00: 00000041 c0253020 c7aa7d74 c7aa7d18 c0076bb0 c00769f8 00000041 00000000 7d20: c7aa7d44 c7aa7d40 c7aa6000 00000000 00001000 00000000 00000000 00000000 7d40: c7aa7d74 c03346e0 c0041c64 00000000 00000000 00000000 c7a9fba0 c7aa7d78 7d60: 00000000 00000000 c7aa7dac c7aa7d78 c0076ce8 c0076ad4 c7aa7f10 00000001 7d80: 00000000 00000041 00000000 00000000 00000000 c7a9fba0 c7a3d3e0 00000041 7da0: c7aa7e3c c7aa7db0 c0078ee4 c0076c98 00000000 00000000 c7aa7ed0 00000041 7dc0: 00000000 c0057428 ffffffff c7aa6000 c7aa7e2c c7aa7de0 c7a3d490 c7aa7ed0 7de0: c7aa7f10 c7aa7e98 00000000 401ad000 00000000 00000001 401ad000 c04291c0 7e00: c7aa7e2c c7a3f0d0 000000b7 00000041 c7abd000 00000000 c7a9fba0 c7a3d3fc 7e20: 00000000 c7aa7e98 c7aa7f10 00000001 c7aa7e8c c7aa7e40 c0078fa8 c0078a88 7e40: c002cb90 c002b5d0 91827364 c7aa7e4c c7aa7e4c c7aa7e54 c7aa7e54 00000000 7e60: c002b630 c7a9fba0 c7aa7e98 c7aa7f70 c7aa7f10 fffffdee c7aa6000 00000000 7e80: c7aa7f3c c7aa7e90 c00a18a0 c0078f3c 00000000 00000000 c7aa7ebc c7aa7ea8 7ea0: 00000000 00000001 ffffffff c7a9fba0 00000000 00000000 00000000 00000000 7ec0: c787d9c0 c7aa7ed0 00000000 00000000 00000000 00000000 00000000 00000007 7ee0: 00000041 401ad200 00000041 00000041 00000000 0006c6f0 c7aa7fac c7aa7f08 7f00: c00242b0 c002f0f4 00000004 01c9c384 0006c458 00000041 00000079 00000041 7f20: c7a9fba0 0006c458 c7aa7f70 00000041 c7aa7f6c c7aa7f40 c00a1ff4 c00a1804 7f40: 00000079 00000000 00000010 c7a9fba0 0006c458 00000000 00000000 00000041 7f60: c7aa7fa4 c7aa7f70 c00a2278 c00a1f44 00000000 00000000 00000004 00000000 7f80: 00001000 0006b89c 00000041 0006c458 00000004 c0029c04 00000000 c7aa7fa8 7fa0: c0029a80 c00a2240 0006b89c 00000041 00000004 0006c458 00000041 00032000 7fc0: 0006b89c 00000041 0006c458 00000004 00000041 00000000 0006c6f0 be8cabdc 7fe0: 00000004 be8cab30 0000faa4 401ad21c 60000010 00000004 d4cc657c c2c88810 Backtrace: [<c002cbac>] (__bug+0x0/0x30) from [<c0076a30>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c00769ec>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076bb0>] (generic_perform_write+0xe8/0x1c4) r7:c0253020 r6:00000041 r5:c7a3d490 r4:c7aa7d78 [<c0076ac8>] (generic_perform_write+0x0/0x1c4) from [<c0076ce8>] (generic_file_buffered_write+0x5c/0x88) [<c0076c8c>] (generic_file_buffered_write+0x0/0x88) from [<c0078ee4>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a3d3e0 r6:c7a9fba0 r5:00000000 r4:00000000 [<c0078a7c>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078fa8>] (generic_file_aio_write+0x78/0xe8) [<c0078f30>] (generic_file_aio_write+0x0/0xe8) from [<c00a18a0>] (do_sync_write+0xa8/0xe4) [<c00a17f8>] (do_sync_write+0x0/0xe4) from [<c00a1ff4>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7aa7f70 r6:0006c458 r5:c7a9fba0 r4:00000041 [<c00a1f38>] (vfs_write+0x0/0x148) from [<c00a2278>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7a9fba0 [<c00a2234>] (sys_write+0x0/0x70) from [<c0029a80>] (ret_fast_syscall+0x0/0x30) r8:c0029c04 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c Code: e59f0010 e1a01003 eb087524 e3a03000 (e5833000) ---[ end trace 8dc2e804e8379a4d ]--- note: syslogd[230] exited with preempt_count 1 BUG: scheduling while atomic: syslogd/230/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdd8>] (dump_backtrace+0x0/0x110) from [<c0249ed8>] (dump_stack+0x18/0x1c) r6:c7aa6000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249ec0>] (dump_stack+0x0/0x1c) from [<c0034fd0>] (__schedule_bug+0x58/0x64) [<c0034f78>] (__schedule_bug+0x0/0x64) from [<c024a1d8>] (__schedule+0x60/0x2f0) r4:c787d9c0 r3:00000000 [<c024a178>] (__schedule+0x0/0x2f0) from [<c0035754>] (__cond_resched+0x24/0x3c) [<c0035730>] (__cond_resched+0x0/0x3c) from [<c024a50c>] (_cond_resched+0x38/0x48) r4:c7aa7abc r3:00000001 [<c024a4d4>] (_cond_resched+0x0/0x48) from [<c0090330>] (unmap_page_range+0x1c4/0x1dc) [<c009016c>] (unmap_page_range+0x0/0x1dc) from [<c0090838>] (unmap_vmas+0x80/0xb0) [<c00907b8>] (unmap_vmas+0x0/0xb0) from [<c0094a88>] (exit_mmap+0x12c/0x290) [<c009495c>] (exit_mmap+0x0/0x290) from [<c003b1a8>] (mmput+0x3c/0xec) r7:c7ab0bf4 r6:00000000 r5:00000000 r4:c7ab0bc0 [<c003b16c>] (mmput+0x0/0xec) from [<c003f280>] (exit_mm+0x150/0x160) r5:c787d9c0 r4:c7ab0bc0 [<c003f130>] (exit_mm+0x0/0x160) from [<c0040a50>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c787d9c0 [<c0040858>] (do_exit+0x0/0x2d8) from [<c002d328>] (die+0x114/0x128) [<c002d214>] (die+0x0/0x128) from [<c002f0c8>] (__do_kernel_fault+0x6c/0x8c) r7:c7aa7ca0 r6:c7ab0bc0 r5:00000817 r4:00000000 [<c002f05c>] (__do_kernel_fault+0x0/0x8c) from [<c002f21c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c787d9c0 r5:c7ab0bc0 r4:c7aa7ca0 r3:c7aa7ca0 [<c002f0e8>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7aa7ca0 to 0xc7aa7ce8) 7ca0: 00000027 00000001 00000002 00000000 c7aa7d78 c03346e0 00000041 00000000 7cc0: 00000000 00000000 c7a9fba0 c7aa7cf4 c7aa7c30 c7aa7ce8 c003e280 c002cbd0 7ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000041 r5:c7aa7cd4 r4:ffffffff [<c002cbac>] (__bug+0x0/0x30) from [<c0076a30>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c00769ec>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076bb0>] (generic_perform_write+0xe8/0x1c4) r7:c0253020 r6:00000041 r5:c7a3d490 r4:c7aa7d78 [<c0076ac8>] (generic_perform_write+0x0/0x1c4) from [<c0076ce8>] (generic_file_buffered_write+0x5c/0x88) [<c0076c8c>] (generic_file_buffered_write+0x0/0x88) from [<c0078ee4>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a3d3e0 r6:c7a9fba0 r5:00000000 r4:00000000 [<c0078a7c>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078fa8>] (generic_file_aio_write+0x78/0xe8) [<c0078f30>] (generic_file_aio_write+0x0/0xe8) from [<c00a18a0>] (do_sync_write+0xa8/0xe4) [<c00a17f8>] (do_sync_write+0x0/0xe4) from [<c00a1ff4>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7aa7f70 r6:0006c458 r5:c7a9fba0 r4:00000041 [<c00a1f38>] (vfs_write+0x0/0x148) from [<c00a2278>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7a9fba0 [<c00a2234>] (sys_write+0x0/0x70) from [<c0029a80>] (ret_fast_syscall+0x0/0x30) r8:c0029c04 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c Scanning device for bad blocks kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7a5c000 [00000000] *pgd=87a7d831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#3] PREEMPT Modules linked in: mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #1) PC is at __bug+0x24/0x30 LR is at vprintk+0x3b4/0x404 pc : [<c002cbd0>] lr : [<c003e29c>] psr: 20000013 sp : c7a6bce8 ip : c7a6bc30 fp : c7a6bcf4 r10: c789f9c0 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000006 r5 : c0334b80 r4 : c7a6bd78 r3 : 00000000 r2 : 00000002 r1 : 00000002 r0 : 00000027 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87a5c008 DAC: 00000015 Process ifup (pid: 223, stack limit = 0xc7a6a268) Stack: (0xc7a6bce8 to 0xc7a6c000) bce0: c7a6bd14 c7a6bcf8 c0076a30 c002cbb8 c7a6bd78 c7a3d308 bd00: 00000006 c0253020 c7a6bd74 c7a6bd18 c0076bb0 c00769f8 00000006 00000000 bd20: c7a6bd44 c7a6bd40 c7a6a000 00000000 00001000 00000000 00000000 00000000 bd40: c7a6bd74 c0334b80 c0041c64 00000000 00000000 00000000 c789f9c0 c7a6bd78 bd60: 00000000 00000000 c7a6bdac c7a6bd78 c0076ce8 c0076ad4 c7a6bf10 00000001 bd80: 00000000 00000006 00000000 00000000 00000000 c789f9c0 c7a3d258 00000006 bda0: c7a6be3c c7a6bdb0 c0078ee4 c0076c98 00000000 00000000 c7a6bed0 00000006 bdc0: 00000000 c0035098 c7a6bdec c7a6bdd8 c0035098 c002b600 c7a3d308 c7a6bed0 bde0: c7a6bf10 c7a6be98 c008ec84 c0034fe8 00000000 00000001 c7a6be24 c7a3f968 be00: 400ed000 00000000 c7a5d000 00000006 c7a09520 00000000 c789f9c0 c7a3d274 be20: 00000000 c7a6be98 c7a6bf10 00000001 c7a6be8c c7a6be40 c0078fa8 c0078a88 be40: c002b5f4 00000001 91827364 c7a6be4c c7a6be4c c7a6be54 c7a6be54 00000000 be60: c7a6beb4 c789f9c0 c7a6be98 c7a6bf70 c7a6bf10 fffffdee c7a6a000 00000000 be80: c7a6bf3c c7a6be90 c00a18a0 c0078f3c 00000000 00000000 c014e08c c0034fe8 bea0: 00000000 00000001 ffffffff c789f9c0 00000000 00000000 00000000 00000000 bec0: c787d400 c005c35c 00000000 00000000 00000000 00000000 00000007 400ed000 bee0: 00000006 c7a6bfb0 00000006 0006c0d8 c7a6bfac c7a6bf00 c002420c c002f0f4 bf00: c00242b0 c002f0f4 c7a6bf2c c7a6bf18 400ed000 00000006 c7a09558 00000006 bf20: c789f9c0 400ed000 c7a6bf70 00000006 c7a6bf6c c7a6bf40 c00a1ff4 c00a1804 bf40: c7a6a000 400ed000 00001000 c789f9c0 400ed000 00000000 00000000 00000006 bf60: c7a6bfa4 c7a6bf70 c00a2278 c00a1f44 00000000 00000000 00000022 00000000 bf80: ffffffff 00000006 0006c4c8 400ed000 00000004 c0029c04 00000000 c7a6bfa8 bfa0: c0029a80 c00a2240 00000006 0006c4c8 00000003 400ed000 00000006 00000000 bfc0: 00000006 0006c4c8 400ed000 00000004 00000006 00000000 000c42e8 00000001 bfe0: 00000000 beec0c10 40193e0c 401e721c 60000010 00000003 87ffe821 87ffec21 Backtrace: [<c002cbac>] (__bug+0x0/0x30) from [<c0076a30>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c00769ec>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076bb0>] (generic_perform_write+0xe8/0x1c4) r7:c0253020 r6:00000006 r5:c7a3d308 r4:c7a6bd78 [<c0076ac8>] (generic_perform_write+0x0/0x1c4) from [<c0076ce8>] (generic_file_buffered_write+0x5c/0x88) [<c0076c8c>] (generic_file_buffered_write+0x0/0x88) from [<c0078ee4>] (__generic_file_aio_write+0x468/0x4b4) r8:00000006 r7:c7a3d258 r6:c789f9c0 r5:00000000 r4:00000000 [<c0078a7c>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078fa8>] (generic_file_aio_write+0x78/0xe8) [<c0078f30>] (generic_file_aio_write+0x0/0xe8) from [<c00a18a0>] (do_sync_write+0xa8/0xe4) [<c00a17f8>] (do_sync_write+0x0/0xe4) from [<c00a1ff4>] (vfs_write+0xbc/0x148) r8:00000006 r7:c7a6bf70 r6:400ed000 r5:c789f9c0 r4:00000006 [<c00a1f38>] (vfs_write+0x0/0x148) from [<c00a2278>] (sys_write+0x44/0x70) r8:00000006 r7:00000000 r6:00000000 r5:400ed000 r4:c789f9c0 [<c00a2234>] (sys_write+0x0/0x70) from [<c0029a80>] (ret_fast_syscall+0x0/0x30) r8:c0029c04 r7:00000004 r6:400ed000 r5:0006c4c8 r4:00000006 Code: e59f0010 e1a01003 eb087524 e3a03000 (e5833000) ---[ end trace 8dc2e804e8379a4e ]--- note: ifup[223] exited with preempt_count 1 BUG: scheduling while atomic: ifup/223/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdd8>] (dump_backtrace+0x0/0x110) from [<c0249ed8>] (dump_stack+0x18/0x1c) r6:c7a6a000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249ec0>] (dump_stack+0x0/0x1c) from [<c0034fd0>] (__schedule_bug+0x58/0x64) [<c0034f78>] (__schedule_bug+0x0/0x64) from [<c024a1d8>] (__schedule+0x60/0x2f0) r4:c787d400 r3:00000000 [<c024a178>] (__schedule+0x0/0x2f0) from [<c0035754>] (__cond_resched+0x24/0x3c) [<c0035730>] (__cond_resched+0x0/0x3c) from [<c024a50c>] (_cond_resched+0x38/0x48) r4:c7a6babc r3:00000001 [<c024a4d4>] (_cond_resched+0x0/0x48) from [<c0090330>] (unmap_page_range+0x1c4/0x1dc) [<c009016c>] (unmap_page_range+0x0/0x1dc) from [<c0090838>] (unmap_vmas+0x80/0xb0) [<c00907b8>] (unmap_vmas+0x0/0xb0) from [<c0094a88>] (exit_mmap+0x12c/0x290) [<c009495c>] (exit_mmap+0x0/0x290) from [<c003b1a8>] (mmput+0x3c/0xec) r7:c7a09554 r6:00000000 r5:00000000 r4:c7a09520 [<c003b16c>] (mmput+0x0/0xec) from [<c003f280>] (exit_mm+0x150/0x160) r5:c787d400 r4:c7a09520 [<c003f130>] (exit_mm+0x0/0x160) from [<c0040a50>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c787d400 [<c0040858>] (do_exit+0x0/0x2d8) from [<c002d328>] (die+0x114/0x128) [<c002d214>] (die+0x0/0x128) from [<c002f0c8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a6bca0 r6:c7a09520 r5:00000817 r4:00000000 [<c002f05c>] (__do_kernel_fault+0x0/0x8c) from [<c002f21c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c787d400 r5:c7a09520 r4:c7a6bca0 r3:c7a6bca0 [<c002f0e8>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a6bca0 to 0xc7a6bce8) bca0: 00000027 00000002 00000002 00000000 c7a6bd78 c0334b80 00000006 00000000 bcc0: 00000000 00000000 c789f9c0 c7a6bcf4 c7a6bc30 c7a6bce8 c003e29c c002cbd0 bce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000006 r5:c7a6bcd4 r4:ffffffff [<c002cbac>] (__bug+0x0/0x30) from [<c0076a30>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c00769ec>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076bb0>] (generic_perform_write+0xe8/0x1c4) r7:c0253020 r6:00000006 r5:c7a3d308 r4:c7a6bd78 [<c0076ac8>] (generic_perform_write+0x0/0x1c4) from [<c0076ce8>] (generic_file_buffered_write+0x5c/0x88) [<c0076c8c>] (generic_file_buffered_write+0x0/0x88) from [<c0078ee4>] (__generic_file_aio_write+0x468/0x4b4) r8:00000006 r7:c7a3d258 r6:c789f9c0 r5:00000000 r4:00000000 [<c0078a7c>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078fa8>] (generic_file_aio_write+0x78/0xe8) [<c0078f30>] (generic_file_aio_write+0x0/0xe8) from [<c00a18a0>] (do_sync_write+0xa8/0xe4) [<c00a17f8>] (do_sync_write+0x0/0xe4) from [<c00a1ff4>] (vfs_write+0xbc/0x148) r8:00000006 r7:c7a6bf70 r6:400ed000 r5:c789f9c0 r4:00000006 [<c00a1f38>] (vfs_write+0x0/0x148) from [<c00a2278>] (sys_write+0x44/0x70) r8:00000006 r7:00000000 r6:00000000 r5:400ed000 r4:c789f9c0 [<c00a2234>] (sys_write+0x0/0x70) from [<c0029a80>] (ret_fast_syscall+0x0/0x30) r8:c0029c04 r7:00000004 r6:400ed000 r5:0006c4c8 r4:00000006 BUG: scheduling while atomic: udevd/216/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdd8>] (dump_backtrace+0x0/0x110) from [<c0249ed8>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249ec0>] (dump_stack+0x0/0x1c) from [<c0034fd0>] (__schedule_bug+0x58/0x64) [<c0034f78>] (__schedule_bug+0x0/0x64) from [<c024a1d8>] (__schedule+0x60/0x2f0) r4:c7860960 r3:00000000 [<c024a178>] (__schedule+0x0/0x2f0) from [<c0035754>] (__cond_resched+0x24/0x3c) [<c0035730>] (__cond_resched+0x0/0x3c) from [<c024a50c>] (_cond_resched+0x38/0x48) r4:c7818c80 r3:00000001 [<c024a4d4>] (_cond_resched+0x0/0x48) from [<c0040750>] (put_files_struct+0x94/0xec) [<c00406bc>] (put_files_struct+0x0/0xec) from [<c0040854>] (exit_files+0x58/0x5c) [<c00407fc>] (exit_files+0x0/0x5c) from [<c0040a60>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7860960 [<c0040858>] (do_exit+0x0/0x2d8) from [<c002d328>] (die+0x114/0x128) [<c002d214>] (die+0x0/0x128) from [<c002f0c8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a09860 r5:00000817 r4:00000000 [<c002f05c>] (__do_kernel_fault+0x0/0x8c) from [<c002f21c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860960 r5:c7a09860 r4:c7a37ca0 r3:c7a37ca0 [<c002f0e8>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c0428aa0 00000008 00000000 7cc0: 00000000 00000000 c7a62c60 c7a37cf4 c7a37c30 c7a37ce8 c003e29c c002cbd0 7ce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff [<c002cbac>] (__bug+0x0/0x30) from [<c0076a30>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c00769ec>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076bb0>] (generic_perform_write+0xe8/0x1c4) r7:c0253020 r6:00000008 r5:c7a3d7a0 r4:c7a37d78 [<c0076ac8>] (generic_perform_write+0x0/0x1c4) from [<c0076ce8>] (generic_file_buffered_write+0x5c/0x88) [<c0076c8c>] (generic_file_buffered_write+0x0/0x88) from [<c0078ee4>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a3d6f0 r6:c7a62c60 r5:00000000 r4:00000000 [<c0078a7c>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078fa8>] (generic_file_aio_write+0x78/0xe8) [<c0078f30>] (generic_file_aio_write+0x0/0xe8) from [<c00a18a0>] (do_sync_write+0xa8/0xe4) [<c00a17f8>] (do_sync_write+0x0/0xe4) from [<c00a1ff4>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400d3000 r5:c7a62c60 r4:00000008 [<c00a1f38>] (vfs_write+0x0/0x148) from [<c00a2278>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400d3000 r4:c7a62c60 [<c00a2234>] (sys_write+0x0/0x70) from [<c0029a80>] (ret_fast_syscall+0x0/0x30) r8:c0029c04 r7:00000004 r6:400d3000 r5:000233d8 r4:00000008 BUG: scheduling while atomic: udevd/216/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdd8>] (dump_backtrace+0x0/0x110) from [<c0249ed8>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249ec0>] (dump_stack+0x0/0x1c) from [<c0034fd0>] (__schedule_bug+0x58/0x64) [<c0034f78>] (__schedule_bug+0x0/0x64) from [<c024a1d8>] (__schedule+0x60/0x2f0) r4:c7860960 r3:00000000 [<c024a178>] (__schedule+0x0/0x2f0) from [<c0035754>] (__cond_resched+0x24/0x3c) [<c0035730>] (__cond_resched+0x0/0x3c) from [<c024a50c>] (_cond_resched+0x38/0x48) r4:c7818c80 r3:00000001 [<c024a4d4>] (_cond_resched+0x0/0x48) from [<c0040750>] (put_files_struct+0x94/0xec) [<c00406bc>] (put_files_struct+0x0/0xec) from [<c0040854>] (exit_files+0x58/0x5c) [<c00407fc>] (exit_files+0x0/0x5c) from [<c0040a60>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7860960 [<c0040858>] (do_exit+0x0/0x2d8) from [<c002d328>] (die+0x114/0x128) [<c002d214>] (die+0x0/0x128) from [<c002f0c8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a09860 r5:00000817 r4:00000000 [<c002f05c>] (__do_kernel_fault+0x0/0x8c) from [<c002f21c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860960 r5:c7a09860 r4:c7a37ca0 r3:c7a37ca0 [<c002f0e8>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c0428aa0 00000008 00000000 7cc0: 00000000 00000000 c7a62c60 c7a37cf4 c7a37c30 c7a37ce8 c003e29c c002cbd0 7ce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff [<c002cbac>] (__bug+0x0/0x30) from [<c0076a30>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c00769ec>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076bb0>] (generic_perform_write+0xe8/0x1c4) r7:c0253020 r6:00000008 r5:c7a3d7a0 r4:c7a37d78 [<c0076ac8>] (generic_perform_write+0x0/0x1c4) from [<c0076ce8>] (generic_file_buffered_write+0x5c/0x88) [<c0076c8c>] (generic_file_buffered_write+0x0/0x88) from [<c0078ee4>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a3d6f0 r6:c7a62c60 r5:00000000 r4:00000000 [<c0078a7c>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078fa8>] (generic_file_aio_write+0x78/0xe8) [<c0078f30>] (generic_file_aio_write+0x0/0xe8) from [<c00a18a0>] (do_sync_write+0xa8/0xe4) [<c00a17f8>] (do_sync_write+0x0/0xe4) from [<c00a1ff4>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400d3000 r5:c7a62c60 r4:00000008 [<c00a1f38>] (vfs_write+0x0/0x148) from [<c00a2278>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400d3000 r4:c7a62c60 [<c00a2234>] (sys_write+0x0/0x70) from [<c0029a80>] (ret_fast_syscall+0x0/0x30) r8:c0029c04 r7:00000004 r6:400d3000 r5:000233d8 r4:00000008 init: udev main process (216) killed by SEGV signal init: udev main process ended, respawning hbm fpgaload loaded successfully DSPLOAD: loaded successful kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7afc000 [00000000] *pgd=87ae6831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#4] PREEMPT Modules linked in: dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #1) PC is at __bug+0x24/0x30 LR is at vprintk+0x3b4/0x404 pc : [<c002cbd0>] lr : [<c003e29c>] psr: 20000013 sp : c7ac5ce8 ip : c7ac5c30 fp : c7ac5cf4 r10: c789f640 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00001000 r5 : c04260e0 r4 : c7ac5d78 r3 : 00000000 r2 : 00000002 r1 : 00000003 r0 : 00000027 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87afc008 DAC: 00000015 Process udevadm (pid: 244, stack limit = 0xc7ac4268) Stack: (0xc7ac5ce8 to 0xc7ac6000) 5ce0: c7ac5d14 c7ac5cf8 c0076a30 c002cbb8 c7ac5d78 c7a36f68 5d00: 00001000 c0253020 c7ac5d74 c7ac5d18 c0076bb0 c00769f8 00001000 00000000 5d20: c7ac5d44 c7ac5d40 c7ac4000 00000000 00001000 00000000 00000000 00000000 5d40: c0035098 c04260e0 00000001 00000000 00000000 00000000 c789f640 c7ac5d78 5d60: 00000000 00000000 c7ac5dac c7ac5d78 c0076ce8 c0076ad4 c7ac5f10 00000001 5d80: 00000000 00001000 00000000 00000000 00000000 c789f640 c7a36eb8 00001000 5da0: c7ac5e3c c7ac5db0 c0078ee4 c0076c98 00000000 00000000 c7ac5ed0 00001000 5dc0: 00000000 c0035098 c7ac5dec c7ac5dd8 c0035098 c002b600 c7a36f68 c7ac5ed0 5de0: c7ac5f10 c7ac5e98 c008ec84 beb3cb78 00000004 00000001 c7ac5e18 00000001 5e00: 00000000 00002000 c74041a0 00001000 c7ac5d28 00000000 c789f640 c7a36ed4 5e20: 00000000 c7ac5e98 c7ac5f10 00000001 c7ac5e8c c7ac5e40 c0078fa8 c0078a88 5e40: 000000a0 c7ac5f64 91827364 c7ac5e4c c7ac5e4c c7ac5e54 c7ac5e54 00000000 5e60: beb3c88c c789f640 c7ac5e98 c7ac5f70 c7ac5f10 fffffdee c7ac4000 00000000 5e80: c7ac5f3c c7ac5e90 c00a18a0 c0078f3c 00000000 00000000 c7863980 00000001 5ea0: 00000000 00000001 ffffffff c789f640 00000000 00000000 00000000 00000000 5ec0: c78a3a20 c7ac5ed0 00000000 00000000 00000000 00000000 c0024c60 00000002 5ee0: 00001000 ffffffff 00001000 00001f60 c7ac5f1c c7ac5f00 c002cb90 c002b5d0 5f00: c002b5f4 00000001 c0306a38 c7ac4000 400be000 00001000 c7ac5e18 00001000 5f20: c789f640 400be000 c7ac5f70 00001000 c7ac5f6c c7ac5f40 c00a1ff4 c00a1804 5f40: c7ac5f80 0000004e c0029c04 c789f640 400be000 00000000 00000000 00001000 5f60: c7ac5fa4 c7ac5f70 c00a2278 c00a1f44 00000000 00000000 beb3c8a0 00000000 5f80: 00000006 00001000 4022f5c8 400be000 00000004 c0029c04 00000000 c7ac5fa8 5fa0: c0029a80 c00a2240 00001000 4022f5c8 00000001 400be000 00001000 00000000 5fc0: 00001000 4022f5c8 400be000 00000004 00001000 0000001c 000c42e8 beb3c864 5fe0: 00000000 beb3c2a8 4016ae0c 401be21c 60000010 00000001 00000000 00000000 Backtrace: [<c002cbac>] (__bug+0x0/0x30) from [<c0076a30>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c00769ec>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076 Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. 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[-- Attachment #2: kernelconfig --] [-- Type: text/plain, Size: 46480 bytes --] # # Automatically generated make config: don't edit # Linux/arm 3.0.0-pmx Kernel Configuration # CONFIG_ARM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y CONFIG_HAVE_SCHED_CLOCK=y CONFIG_GENERIC_GPIO=y # CONFIG_ARCH_USES_GETTIMEOFFSET is not set CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_KTIME_SCALAR=y CONFIG_HAVE_PROC_CPU=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_HAVE_LATENCYTOP_SUPPORT=y CONFIG_LOCKDEP_SUPPORT=y CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_HARDIRQS_SW_RESEND=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_NEED_DMA_MAP_STATE=y CONFIG_VECTORS_BASE=0xffff0000 # CONFIG_ARM_PATCH_PHYS_VIRT is not set CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" CONFIG_HAVE_IRQ_WORK=y # # General setup # CONFIG_EXPERIMENTAL=y CONFIG_BROKEN_ON_SMP=y CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_CROSS_COMPILE="" CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_HAVE_KERNEL_GZIP=y CONFIG_HAVE_KERNEL_LZMA=y CONFIG_HAVE_KERNEL_LZO=y # CONFIG_KERNEL_GZIP is not set # CONFIG_KERNEL_LZMA is not set CONFIG_KERNEL_LZO=y CONFIG_DEFAULT_HOSTNAME="(none)" # CONFIG_SWAP is not set CONFIG_SYSVIPC=y CONFIG_SYSVIPC_SYSCTL=y CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE_SYSCTL=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_FHANDLE is not set # CONFIG_TASKSTATS is not set # CONFIG_AUDIT is not set CONFIG_HAVE_GENERIC_HARDIRQS=y # # IRQ subsystem # CONFIG_GENERIC_HARDIRQS=y CONFIG_HAVE_SPARSE_IRQ=y CONFIG_GENERIC_IRQ_SHOW=y CONFIG_IRQ_FORCED_THREADING=y # CONFIG_SPARSE_IRQ is not set # # RCU Subsystem # CONFIG_TREE_PREEMPT_RCU=y # CONFIG_TINY_RCU is not set # CONFIG_TINY_PREEMPT_RCU is not set CONFIG_PREEMPT_RCU=y # CONFIG_RCU_TRACE is not set CONFIG_RCU_FANOUT=32 # CONFIG_RCU_FANOUT_EXACT is not set # CONFIG_TREE_RCU_TRACE is not set CONFIG_RCU_BOOST=y CONFIG_RCU_BOOST_PRIO=1 CONFIG_RCU_BOOST_DELAY=50 CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CGROUPS is not set # CONFIG_NAMESPACES is not set # CONFIG_SCHED_AUTOGROUP is not set CONFIG_SYSFS_DEPRECATED=y CONFIG_SYSFS_DEPRECATED_V2=y # CONFIG_RELAY is not set # CONFIG_BLK_DEV_INITRD is not set CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y CONFIG_ANON_INODES=y CONFIG_EXPERT=y CONFIG_UID16=y CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y CONFIG_SIGNALFD=y CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_AIO=y CONFIG_EMBEDDED=y CONFIG_HAVE_PERF_EVENTS=y CONFIG_PERF_USE_VMALLOC=y # # Kernel Performance Events And Counters # # CONFIG_PERF_EVENTS is not set # CONFIG_PERF_COUNTERS is not set CONFIG_VM_EVENT_COUNTERS=y CONFIG_COMPAT_BRK=y CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set # CONFIG_PROFILING is not set CONFIG_HAVE_OPROFILE=y # CONFIG_KPROBES is not set CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y CONFIG_HAVE_CLK=y CONFIG_HAVE_DMA_API_DEBUG=y # # GCOV-based kernel profiling # # CONFIG_GCOV_KERNEL is not set CONFIG_HAVE_GENERIC_DMA_COHERENT=y CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_FORCE_LOAD=y CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_BLOCK=y # CONFIG_LBDAF is not set # CONFIG_BLK_DEV_BSG is not set # CONFIG_BLK_DEV_INTEGRITY is not set # # IO Schedulers # CONFIG_IOSCHED_NOOP=y # CONFIG_IOSCHED_DEADLINE is not set CONFIG_IOSCHED_CFQ=y # CONFIG_DEFAULT_CFQ is not set CONFIG_DEFAULT_NOOP=y CONFIG_DEFAULT_IOSCHED="noop" # CONFIG_INLINE_SPIN_TRYLOCK is not set # CONFIG_INLINE_SPIN_TRYLOCK_BH is not set # CONFIG_INLINE_SPIN_LOCK is not set # CONFIG_INLINE_SPIN_LOCK_BH is not set # CONFIG_INLINE_SPIN_LOCK_IRQ is not set # CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set # CONFIG_INLINE_SPIN_UNLOCK is not set # CONFIG_INLINE_SPIN_UNLOCK_BH is not set # CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set # CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set # CONFIG_INLINE_READ_TRYLOCK is not set # CONFIG_INLINE_READ_LOCK is not set # CONFIG_INLINE_READ_LOCK_BH is not set # CONFIG_INLINE_READ_LOCK_IRQ is not set # CONFIG_INLINE_READ_LOCK_IRQSAVE is not set # CONFIG_INLINE_READ_UNLOCK is not set # CONFIG_INLINE_READ_UNLOCK_BH is not set # CONFIG_INLINE_READ_UNLOCK_IRQ is not set # CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set # CONFIG_INLINE_WRITE_TRYLOCK is not set # CONFIG_INLINE_WRITE_LOCK is not set # CONFIG_INLINE_WRITE_LOCK_BH is not set # CONFIG_INLINE_WRITE_LOCK_IRQ is not set # CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set # CONFIG_INLINE_WRITE_UNLOCK is not set # CONFIG_INLINE_WRITE_UNLOCK_BH is not set # CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set # CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set # CONFIG_MUTEX_SPIN_ON_OWNER is not set # CONFIG_FREEZER is not set # # System Type # CONFIG_MMU=y # CONFIG_ARCH_INTEGRATOR is not set # CONFIG_ARCH_REALVIEW is not set # CONFIG_ARCH_VERSATILE is not set # CONFIG_ARCH_VEXPRESS is not set # CONFIG_ARCH_AT91 is not set # CONFIG_ARCH_BCMRING is not set # CONFIG_ARCH_CLPS711X is not set # CONFIG_ARCH_CNS3XXX is not set # CONFIG_ARCH_GEMINI is not set # CONFIG_ARCH_EBSA110 is not set # CONFIG_ARCH_EP93XX is not set # CONFIG_ARCH_FOOTBRIDGE is not set CONFIG_ARCH_MXC=y # CONFIG_ARCH_MXS is not set # CONFIG_ARCH_NETX is not set # CONFIG_ARCH_H720X is not set # CONFIG_ARCH_IOP13XX is not set # CONFIG_ARCH_IOP32X is not set # CONFIG_ARCH_IOP33X is not set # CONFIG_ARCH_IXP23XX is not set # CONFIG_ARCH_IXP2000 is not set # CONFIG_ARCH_IXP4XX is not set # CONFIG_ARCH_DOVE is not set # CONFIG_ARCH_KIRKWOOD is not set # CONFIG_ARCH_LOKI is not set # CONFIG_ARCH_LPC32XX is not set # CONFIG_ARCH_MV78XX0 is not set # CONFIG_ARCH_ORION5X is not set # CONFIG_ARCH_MMP is not set # CONFIG_ARCH_KS8695 is not set # CONFIG_ARCH_W90X900 is not set # CONFIG_ARCH_NUC93X is not set # CONFIG_ARCH_TEGRA is not set # CONFIG_ARCH_PNX4008 is not set # CONFIG_ARCH_PXA is not set # CONFIG_ARCH_MSM is not set # CONFIG_ARCH_SHMOBILE is not set # CONFIG_ARCH_RPC is not set # CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_S3C2410 is not set # CONFIG_ARCH_S3C64XX is not set # CONFIG_ARCH_S5P64X0 is not set # CONFIG_ARCH_S5PC100 is not set # CONFIG_ARCH_S5PV210 is not set # CONFIG_ARCH_EXYNOS4 is not set # CONFIG_ARCH_SHARK is not set # CONFIG_ARCH_TCC_926 is not set # CONFIG_ARCH_U300 is not set # CONFIG_ARCH_U8500 is not set # CONFIG_ARCH_NOMADIK is not set # CONFIG_ARCH_DAVINCI is not set # CONFIG_ARCH_OMAP is not set # CONFIG_PLAT_SPEAR is not set # CONFIG_ARCH_VT8500 is not set # CONFIG_GPIO_PCA953X is not set # CONFIG_KEYBOARD_GPIO_POLLED is not set CONFIG_IMX_HAVE_PLATFORM_FEC=y CONFIG_IMX_HAVE_PLATFORM_FLEXCAN=y CONFIG_IMX_HAVE_PLATFORM_FSL_USB2_UDC=y CONFIG_IMX_HAVE_PLATFORM_IMX2_WDT=y CONFIG_IMX_HAVE_PLATFORM_IMX_I2C=y CONFIG_IMX_HAVE_PLATFORM_IMX_SSI=y CONFIG_IMX_HAVE_PLATFORM_IMX_UART=y CONFIG_IMX_HAVE_PLATFORM_IPU_CORE=y CONFIG_IMX_HAVE_PLATFORM_MXC_EHCI=y CONFIG_IMX_HAVE_PLATFORM_MXC_NAND=y CONFIG_IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX=y CONFIG_IMX_HAVE_PLATFORM_SPI_IMX=y # # Freescale MXC Implementations # # CONFIG_ARCH_MX1 is not set # CONFIG_ARCH_MX2 is not set # CONFIG_ARCH_MX25 is not set CONFIG_ARCH_MX3=y # CONFIG_ARCH_MX503 is not set # CONFIG_ARCH_MX51 is not set CONFIG_ARCH_MX35=y CONFIG_SOC_IMX35=y # # MX31 platforms: # # CONFIG_MACH_MX31ADS is not set # CONFIG_MACH_MX31LILLY is not set # CONFIG_MACH_MX31LITE is not set # CONFIG_MACH_PCM037 is not set # CONFIG_MACH_MX31_3DS is not set # CONFIG_MACH_MX31MOBOARD is not set # CONFIG_MACH_QONG is not set # CONFIG_MACH_ARMADILLO5X0 is not set # CONFIG_MACH_KZM_ARM11_01 is not set # CONFIG_MACH_BUG is not set # # MX35 platforms: # CONFIG_MACH_PCM043=y # CONFIG_MACH_MX35_3DS is not set # CONFIG_MACH_EUKREA_CPUIMX35 is not set # CONFIG_MACH_VPR200 is not set # CONFIG_MXC_IRQ_PRIOR is not set CONFIG_MXC_AVIC=y # CONFIG_MXC_PWM is not set # CONFIG_MXC_DEBUG_BOARD is not set CONFIG_HAVE_EPIT=y # CONFIG_MXC_USE_EPIT is not set CONFIG_MXC_ULPI=y CONFIG_ARCH_MXC_IOMUX_V3=y CONFIG_ARCH_MXC_AUDMUX_V2=y # # System MMU # # # Processor Type # CONFIG_CPU_V6=y CONFIG_CPU_32v6=y CONFIG_CPU_ABRT_EV6=y CONFIG_CPU_PABRT_V6=y CONFIG_CPU_CACHE_V6=y CONFIG_CPU_CACHE_VIPT=y CONFIG_CPU_COPY_V6=y CONFIG_CPU_TLB_V6=y CONFIG_CPU_HAS_ASID=y CONFIG_CPU_CP15=y CONFIG_CPU_CP15_MMU=y CONFIG_CPU_USE_DOMAINS=y # # Processor Features # CONFIG_ARM_THUMB=y # CONFIG_CPU_ICACHE_DISABLE is not set # CONFIG_CPU_DCACHE_DISABLE is not set # CONFIG_CPU_BPREDICT_DISABLE is not set CONFIG_OUTER_CACHE=y CONFIG_OUTER_CACHE_SYNC=y CONFIG_CACHE_L2X0=y CONFIG_ARM_L1_CACHE_SHIFT=5 CONFIG_ARM_DMA_MEM_BUFFERABLE=y CONFIG_CPU_HAS_PMU=y # CONFIG_ARM_ERRATA_411920 is not set # CONFIG_PL310_ERRATA_588369 is not set # CONFIG_PL310_ERRATA_727915 is not set # # Bus support # # CONFIG_PCI_SYSCALL is not set # CONFIG_ARCH_SUPPORTS_MSI is not set # CONFIG_PCCARD is not set # # Kernel Features # CONFIG_TICK_ONESHOT=y # CONFIG_NO_HZ is not set CONFIG_HIGH_RES_TIMERS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_VMSPLIT_3G=y # CONFIG_VMSPLIT_2G is not set # CONFIG_VMSPLIT_1G is not set CONFIG_PAGE_OFFSET=0xC0000000 CONFIG_PREEMPT=y CONFIG_PREEMPT_RT_BASE=y # CONFIG_PREEMPT_NONE is not set # CONFIG_PREEMPT_VOLUNTARY is not set # CONFIG_PREEMPT_LL is not set CONFIG_PREEMPT_RTB=y # CONFIG_PREEMPT_RT_FULL is not set CONFIG_HZ=100 CONFIG_AEABI=y # CONFIG_OABI_COMPAT is not set # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set CONFIG_HAVE_ARCH_PFN_VALID=y # CONFIG_HIGHMEM is not set CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_HAVE_MEMBLOCK=y CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_COMPACTION is not set # CONFIG_PHYS_ADDR_T_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 CONFIG_VIRT_TO_BUS=y # CONFIG_KSM is not set CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 CONFIG_NEED_PER_CPU_KM=y # CONFIG_CLEANCACHE is not set CONFIG_FORCE_MAX_ZONEORDER=11 CONFIG_ALIGNMENT_TRAP=y # CONFIG_UACCESS_WITH_MEMCPY is not set # CONFIG_SECCOMP is not set # CONFIG_CC_STACKPROTECTOR is not set # CONFIG_DEPRECATED_PARAM_STRUCT is not set # # Boot options # # CONFIG_USE_OF is not set CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_CMDLINE="console=ttymxc0,115200n8 quiet" CONFIG_CMDLINE_FROM_BOOTLOADER=y # CONFIG_CMDLINE_EXTEND is not set # CONFIG_CMDLINE_FORCE is not set # CONFIG_XIP_KERNEL is not set CONFIG_KEXEC=y CONFIG_ATAGS_PROC=y # CONFIG_CRASH_DUMP is not set # CONFIG_AUTO_ZRELADDR is not set # # CPU Power Management # # CONFIG_CPU_IDLE is not set # # Floating point emulation # # # At least one emulation must be selected # CONFIG_VFP=y # # Userspace binary formats # CONFIG_BINFMT_ELF=y # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set CONFIG_HAVE_AOUT=y # CONFIG_BINFMT_AOUT is not set # CONFIG_BINFMT_MISC is not set # # Power management options # # CONFIG_SUSPEND is not set # CONFIG_PM_RUNTIME is not set CONFIG_ARCH_SUSPEND_POSSIBLE=y CONFIG_NET=y # # Networking options # CONFIG_PACKET=m CONFIG_UNIX=y # CONFIG_NET_KEY is not set CONFIG_INET=y CONFIG_IP_MULTICAST=y # CONFIG_IP_ADVANCED_ROUTER is not set CONFIG_IP_PNP=y CONFIG_IP_PNP_DHCP=y # CONFIG_IP_PNP_BOOTP is not set # CONFIG_IP_PNP_RARP is not set # CONFIG_NET_IPIP is not set # CONFIG_NET_IPGRE_DEMUX is not set # CONFIG_IP_MROUTE is not set # CONFIG_ARPD is not set # CONFIG_SYN_COOKIES is not set # CONFIG_INET_AH is not set # CONFIG_INET_ESP is not set # CONFIG_INET_IPCOMP is not set # CONFIG_INET_XFRM_TUNNEL is not set # CONFIG_INET_TUNNEL is not set # CONFIG_INET_XFRM_MODE_TRANSPORT is not set # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set # CONFIG_INET_LRO is not set # CONFIG_INET_DIAG is not set # CONFIG_TCP_CONG_ADVANCED is not set CONFIG_TCP_CONG_CUBIC=y CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_TCP_MD5SIG is not set # CONFIG_IPV6 is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETWORK_PHY_TIMESTAMPING is not set # CONFIG_NETFILTER is not set # CONFIG_IP_DCCP is not set # CONFIG_IP_SCTP is not set # CONFIG_RDS is not set # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_L2TP is not set # CONFIG_BRIDGE is not set # CONFIG_NET_DSA is not set # CONFIG_VLAN_8021Q is not set # CONFIG_DECNET is not set # CONFIG_LLC2 is not set # CONFIG_IPX is not set # CONFIG_ATALK is not set # CONFIG_X25 is not set # CONFIG_LAPB is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set # CONFIG_PHONET is not set # CONFIG_IEEE802154 is not set # CONFIG_NET_SCHED is not set # CONFIG_DCB is not set # CONFIG_BATMAN_ADV is not set # # Network testing # # CONFIG_NET_PKTGEN is not set # CONFIG_HAMRADIO is not set CONFIG_CAN=y CONFIG_CAN_RAW=y CONFIG_CAN_BCM=y # # CAN Device Drivers # # CONFIG_CAN_VCAN is not set # CONFIG_CAN_SLCAN is not set CONFIG_CAN_DEV=y CONFIG_CAN_CALC_BITTIMING=y # CONFIG_CAN_MCP251X is not set CONFIG_HAVE_CAN_FLEXCAN=y CONFIG_CAN_FLEXCAN=y # CONFIG_CAN_SJA1000 is not set # CONFIG_CAN_C_CAN is not set # # CAN USB interfaces # # CONFIG_CAN_EMS_USB is not set # CONFIG_CAN_ESD_USB2 is not set # CONFIG_CAN_SOFTING is not set # CONFIG_CAN_DEBUG_DEVICES is not set # CONFIG_IRDA is not set # CONFIG_BT is not set # CONFIG_AF_RXRPC is not set # CONFIG_WIRELESS is not set # CONFIG_WIMAX is not set # CONFIG_RFKILL is not set # CONFIG_NET_9P is not set # CONFIG_CAIF is not set # CONFIG_CEPH_LIB is not set # # Device Drivers # # # Generic Driver Options # CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_FW_LOADER=y # CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_EXTRA_FIRMWARE="" # CONFIG_DEBUG_DRIVER is not set # CONFIG_DEBUG_DEVRES is not set # CONFIG_SYS_HYPERVISOR is not set # CONFIG_CONNECTOR is not set CONFIG_MTD=y # CONFIG_MTD_DEBUG is not set # CONFIG_MTD_TESTS is not set # CONFIG_MTD_REDBOOT_PARTS is not set CONFIG_MTD_CMDLINE_PARTS=y # CONFIG_MTD_AFS_PARTS is not set # CONFIG_MTD_AR7_PARTS is not set # # User Modules And Translation Layers # CONFIG_MTD_CHAR=y CONFIG_MTD_BLKDEVS=y CONFIG_MTD_BLOCK=y # CONFIG_FTL is not set # CONFIG_NFTL is not set # CONFIG_INFTL is not set # CONFIG_RFD_FTL is not set # CONFIG_SSFDC is not set # CONFIG_SM_FTL is not set # CONFIG_MTD_OOPS is not set # # RAM/ROM/Flash chip drivers # CONFIG_MTD_CFI=y # CONFIG_MTD_JEDECPROBE is not set CONFIG_MTD_GEN_PROBE=y # CONFIG_MTD_CFI_ADV_OPTIONS is not set CONFIG_MTD_MAP_BANK_WIDTH_1=y CONFIG_MTD_MAP_BANK_WIDTH_2=y CONFIG_MTD_MAP_BANK_WIDTH_4=y # CONFIG_MTD_MAP_BANK_WIDTH_8 is not set # CONFIG_MTD_MAP_BANK_WIDTH_16 is not set # CONFIG_MTD_MAP_BANK_WIDTH_32 is not set CONFIG_MTD_CFI_I1=y CONFIG_MTD_CFI_I2=y # CONFIG_MTD_CFI_I4 is not set # CONFIG_MTD_CFI_I8 is not set CONFIG_MTD_CFI_INTELEXT=y # CONFIG_MTD_CFI_AMDSTD is not set # CONFIG_MTD_CFI_STAA is not set CONFIG_MTD_CFI_UTIL=y CONFIG_MTD_RAM=m # CONFIG_MTD_ROM is not set # CONFIG_MTD_ABSENT is not set # # Mapping drivers for chip access # # CONFIG_MTD_COMPLEX_MAPPINGS is not set CONFIG_MTD_PHYSMAP=y # CONFIG_MTD_PHYSMAP_COMPAT is not set # CONFIG_MTD_ARM_INTEGRATOR is not set CONFIG_MTD_PLATRAM=m # # Self-contained MTD device drivers # # CONFIG_MTD_DATAFLASH is not set # CONFIG_MTD_M25P80 is not set # CONFIG_MTD_SST25L is not set # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set # CONFIG_MTD_BLOCK2MTD is not set # # Disk-On-Chip Device Drivers # # CONFIG_MTD_DOC2000 is not set # CONFIG_MTD_DOC2001 is not set # CONFIG_MTD_DOC2001PLUS is not set CONFIG_MTD_NAND_ECC=m # CONFIG_MTD_NAND_ECC_SMC is not set CONFIG_MTD_NAND=m # CONFIG_MTD_NAND_VERIFY_WRITE is not set # CONFIG_MTD_NAND_ECC_BCH is not set # CONFIG_MTD_SM_COMMON is not set # CONFIG_MTD_NAND_MUSEUM_IDS is not set # CONFIG_MTD_NAND_GPIO is not set CONFIG_MTD_NAND_IDS=m # CONFIG_MTD_NAND_DISKONCHIP is not set # CONFIG_MTD_NAND_NANDSIM is not set # CONFIG_MTD_NAND_PLATFORM is not set # CONFIG_MTD_ALAUDA is not set CONFIG_MTD_NAND_MXC=m # CONFIG_MTD_ONENAND is not set # # LPDDR flash memory drivers # # CONFIG_MTD_LPDDR is not set CONFIG_MTD_UBI=y CONFIG_MTD_UBI_WL_THRESHOLD=4096 CONFIG_MTD_UBI_BEB_RESERVE=1 # CONFIG_MTD_UBI_GLUEBI is not set # CONFIG_MTD_UBI_DEBUG is not set # CONFIG_PARPORT is not set CONFIG_BLK_DEV=y # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=m # CONFIG_BLK_DEV_CRYPTOLOOP is not set # # DRBD disabled because PROC_FS, INET or CONNECTOR not selected # # CONFIG_BLK_DEV_NBD is not set # CONFIG_BLK_DEV_UB is not set # CONFIG_BLK_DEV_RAM is not set # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set # CONFIG_MG_DISK is not set # CONFIG_BLK_DEV_RBD is not set # CONFIG_SENSORS_LIS3LV02D is not set CONFIG_MISC_DEVICES=y # CONFIG_AD525X_DPOT is not set # CONFIG_INTEL_MID_PTI is not set # CONFIG_ICS932S401 is not set # CONFIG_ENCLOSURE_SERVICES is not set # CONFIG_APDS9802ALS is not set # CONFIG_ISL29003 is not set # CONFIG_ISL29020 is not set # CONFIG_SENSORS_TSL2550 is not set # CONFIG_SENSORS_BH1780 is not set # CONFIG_SENSORS_BH1770 is not set # CONFIG_SENSORS_APDS990X is not set # CONFIG_HMC6352 is not set # CONFIG_DS1682 is not set # CONFIG_TI_DAC7512 is not set # CONFIG_BMP085 is not set # CONFIG_C2PORT is not set # # EEPROM support # CONFIG_EEPROM_AT24=y # CONFIG_EEPROM_AT25 is not set # CONFIG_EEPROM_LEGACY is not set # CONFIG_EEPROM_MAX6875 is not set # CONFIG_EEPROM_93CX6 is not set # # Texas Instruments shared transport line discipline # # CONFIG_TI_ST is not set # CONFIG_SENSORS_LIS3_SPI is not set # CONFIG_SENSORS_LIS3_I2C is not set CONFIG_HAVE_IDE=y # CONFIG_IDE is not set # # SCSI device support # CONFIG_SCSI_MOD=y # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y CONFIG_SCSI_DMA=y # CONFIG_SCSI_TGT is not set # CONFIG_SCSI_NETLINK is not set # CONFIG_SCSI_PROC_FS is not set # # SCSI support type (disk, tape, CD-ROM) # CONFIG_BLK_DEV_SD=y # CONFIG_CHR_DEV_ST is not set # CONFIG_CHR_DEV_OSST is not set # CONFIG_BLK_DEV_SR is not set # CONFIG_CHR_DEV_SG is not set # CONFIG_CHR_DEV_SCH is not set CONFIG_SCSI_MULTI_LUN=y CONFIG_SCSI_CONSTANTS=y CONFIG_SCSI_LOGGING=y CONFIG_SCSI_SCAN_ASYNC=y CONFIG_SCSI_WAIT_SCAN=m # # SCSI Transports # # CONFIG_SCSI_SPI_ATTRS is not set # CONFIG_SCSI_FC_ATTRS is not set # CONFIG_SCSI_ISCSI_ATTRS is not set # CONFIG_SCSI_SAS_ATTRS is not set # CONFIG_SCSI_SAS_LIBSAS is not set # CONFIG_SCSI_SRP_ATTRS is not set # CONFIG_SCSI_LOWLEVEL is not set # CONFIG_SCSI_DH is not set # CONFIG_SCSI_OSD_INITIATOR is not set # CONFIG_ATA is not set # CONFIG_MD is not set # CONFIG_TARGET_CORE is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set # CONFIG_MACVLAN is not set # CONFIG_EQUALIZER is not set # CONFIG_TUN is not set # CONFIG_VETH is not set # CONFIG_MII is not set CONFIG_PHYLIB=y # # MII PHY device drivers # # CONFIG_MARVELL_PHY is not set # CONFIG_DAVICOM_PHY is not set # CONFIG_QSEMI_PHY is not set # CONFIG_LXT_PHY is not set # CONFIG_CICADA_PHY is not set # CONFIG_VITESSE_PHY is not set # CONFIG_SMSC_PHY is not set # CONFIG_BROADCOM_PHY is not set # CONFIG_ICPLUS_PHY is not set # CONFIG_REALTEK_PHY is not set # CONFIG_NATIONAL_PHY is not set # CONFIG_STE10XP is not set # CONFIG_LSI_ET1011C_PHY is not set CONFIG_MICREL_PHY=y # CONFIG_FIXED_PHY is not set # CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y # CONFIG_AX88796 is not set # CONFIG_SMC91X is not set # CONFIG_DM9000 is not set # CONFIG_ENC28J60 is not set # CONFIG_ETHOC is not set # CONFIG_SMC911X is not set # CONFIG_SMSC911X is not set # CONFIG_DNET is not set # CONFIG_IBM_NEW_EMAC_ZMII is not set # CONFIG_IBM_NEW_EMAC_RGMII is not set # CONFIG_IBM_NEW_EMAC_TAH is not set # CONFIG_IBM_NEW_EMAC_EMAC4 is not set # CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set # CONFIG_B44 is not set # CONFIG_KS8842 is not set # CONFIG_KS8851 is not set # CONFIG_KS8851_MLL is not set CONFIG_FEC=y # CONFIG_FTMAC100 is not set # CONFIG_NETDEV_1000 is not set # CONFIG_NETDEV_10000 is not set # CONFIG_WLAN is not set # # Enable WiMAX (Networking options) to see the WiMAX drivers # # # USB Network Adapters # # CONFIG_USB_CATC is not set # CONFIG_USB_KAWETH is not set # CONFIG_USB_PEGASUS is not set # CONFIG_USB_RTL8150 is not set # CONFIG_USB_USBNET is not set # CONFIG_USB_IPHETH is not set # CONFIG_WAN is not set # # CAIF transport drivers # # CONFIG_PPP is not set # CONFIG_SLIP is not set # CONFIG_NETCONSOLE is not set # CONFIG_NETPOLL is not set # CONFIG_NET_POLL_CONTROLLER is not set # CONFIG_ISDN is not set # CONFIG_PHONE is not set # # Input device support # CONFIG_INPUT=m # CONFIG_INPUT_FF_MEMLESS is not set # CONFIG_INPUT_POLLDEV is not set CONFIG_INPUT_SPARSEKMAP=m # # Userland interfaces # CONFIG_INPUT_MOUSEDEV=m CONFIG_INPUT_MOUSEDEV_PSAUX=y CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 CONFIG_INPUT_JOYDEV=m CONFIG_INPUT_EVDEV=m # CONFIG_INPUT_EVBUG is not set # # Input Device Drivers # CONFIG_INPUT_KEYBOARD=y # CONFIG_KEYBOARD_ADP5588 is not set # CONFIG_KEYBOARD_ADP5589 is not set CONFIG_KEYBOARD_ATKBD=m # CONFIG_KEYBOARD_QT1070 is not set # CONFIG_KEYBOARD_QT2160 is not set # CONFIG_KEYBOARD_LKKBD is not set # CONFIG_KEYBOARD_GPIO is not set # CONFIG_KEYBOARD_TCA6416 is not set # CONFIG_KEYBOARD_MATRIX is not set # CONFIG_KEYBOARD_LM8323 is not set # CONFIG_KEYBOARD_MAX7359 is not set # CONFIG_KEYBOARD_MCS is not set # CONFIG_KEYBOARD_MPR121 is not set # CONFIG_KEYBOARD_IMX is not set # CONFIG_KEYBOARD_NEWTON is not set # CONFIG_KEYBOARD_OPENCORES is not set # CONFIG_KEYBOARD_STOWAWAY is not set # CONFIG_KEYBOARD_SUNKBD is not set # CONFIG_KEYBOARD_XTKBD is not set CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=m CONFIG_MOUSE_PS2_ALPS=y CONFIG_MOUSE_PS2_LOGIPS2PP=y CONFIG_MOUSE_PS2_SYNAPTICS=y CONFIG_MOUSE_PS2_TRACKPOINT=y # CONFIG_MOUSE_PS2_ELANTECH is not set # CONFIG_MOUSE_PS2_SENTELIC is not set # CONFIG_MOUSE_PS2_TOUCHKIT is not set # CONFIG_MOUSE_SERIAL is not set # CONFIG_MOUSE_APPLETOUCH is not set # CONFIG_MOUSE_BCM5974 is not set # CONFIG_MOUSE_VSXXXAA is not set # CONFIG_MOUSE_GPIO is not set # CONFIG_MOUSE_SYNAPTICS_I2C is not set # CONFIG_INPUT_JOYSTICK is not set # CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set # CONFIG_INPUT_MISC is not set # # Hardware I/O ports # CONFIG_SERIO=m CONFIG_SERIO_SERPORT=m CONFIG_SERIO_LIBPS2=m # CONFIG_SERIO_RAW is not set # CONFIG_SERIO_ALTERA_PS2 is not set # CONFIG_SERIO_PS2MULT is not set # CONFIG_GAMEPORT is not set # # Character devices # # CONFIG_VT is not set CONFIG_UNIX98_PTYS=y # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set # CONFIG_LEGACY_PTYS is not set # CONFIG_SERIAL_NONSTANDARD is not set # CONFIG_N_GSM is not set # CONFIG_TRACE_SINK is not set CONFIG_DEVKMEM=y # # Serial drivers # # CONFIG_SERIAL_8250 is not set # # Non-8250 serial port support # # CONFIG_SERIAL_MAX3100 is not set # CONFIG_SERIAL_MAX3107 is not set CONFIG_SERIAL_IMX=y CONFIG_SERIAL_IMX_CONSOLE=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_TIMBERDALE is not set # CONFIG_SERIAL_ALTERA_JTAGUART is not set # CONFIG_SERIAL_ALTERA_UART is not set # CONFIG_SERIAL_IFX6X60 is not set # CONFIG_SERIAL_XILINX_PS_UART is not set CONFIG_TTY_PRINTK=y # CONFIG_HVC_DCC is not set # CONFIG_IPMI_HANDLER is not set CONFIG_HW_RANDOM=y # CONFIG_HW_RANDOM_TIMERIOMEM is not set # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set # CONFIG_TCG_TPM is not set # CONFIG_RAMOOPS is not set CONFIG_I2C=y CONFIG_I2C_BOARDINFO=y # CONFIG_I2C_COMPAT is not set CONFIG_I2C_CHARDEV=m # CONFIG_I2C_MUX is not set CONFIG_I2C_HELPER_AUTO=y # # I2C Hardware Bus support # # # I2C system bus drivers (mostly embedded / system-on-chip) # # CONFIG_I2C_DESIGNWARE is not set # CONFIG_I2C_GPIO is not set CONFIG_I2C_IMX=m # CONFIG_I2C_OCORES is not set # CONFIG_I2C_PCA_PLATFORM is not set # CONFIG_I2C_PXA_PCI is not set # CONFIG_I2C_SIMTEC is not set # CONFIG_I2C_XILINX is not set # # External I2C/SMBus adapter drivers # # CONFIG_I2C_DIOLAN_U2C is not set # CONFIG_I2C_PARPORT_LIGHT is not set # CONFIG_I2C_TAOS_EVM is not set # CONFIG_I2C_TINY_USB is not set # # Other I2C/SMBus bus drivers # # CONFIG_I2C_STUB is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set CONFIG_SPI=y # CONFIG_SPI_DEBUG is not set CONFIG_SPI_MASTER=y # # SPI Master Controller Drivers # # CONFIG_SPI_ALTERA is not set CONFIG_SPI_BITBANG=y # CONFIG_SPI_GPIO is not set CONFIG_SPI_IMX_VER_0_7=y CONFIG_SPI_IMX=y # CONFIG_SPI_OC_TINY is not set # CONFIG_SPI_PXA2XX_PCI is not set # CONFIG_SPI_XILINX is not set # CONFIG_SPI_DESIGNWARE is not set # # SPI Protocol Masters # CONFIG_SPI_SPIDEV=y # CONFIG_SPI_TLE62X0 is not set # # PPS support # # CONFIG_PPS is not set # # PPS generators support # # # PTP clock support # # # Enable Device Drivers -> PPS to see the PTP clock options. # CONFIG_ARCH_REQUIRE_GPIOLIB=y CONFIG_GPIOLIB=y # CONFIG_DEBUG_GPIO is not set CONFIG_GPIO_SYSFS=y # # Memory mapped GPIO drivers: # CONFIG_GPIO_BASIC_MMIO_CORE=y CONFIG_GPIO_BASIC_MMIO=y # CONFIG_GPIO_IT8761E is not set # # I2C GPIO expanders: # # CONFIG_GPIO_MAX7300 is not set # CONFIG_GPIO_MAX732X is not set # CONFIG_GPIO_PCF857X is not set # CONFIG_GPIO_SX150X is not set # CONFIG_GPIO_ADP5588 is not set # # PCI GPIO expanders: # # # SPI GPIO expanders: # # CONFIG_GPIO_MAX7301 is not set # CONFIG_GPIO_MCP23S08 is not set # CONFIG_GPIO_MC33880 is not set # CONFIG_GPIO_74X164 is not set # # AC97 GPIO expanders: # # # MODULbus GPIO expanders: # CONFIG_W1=y # # 1-wire Bus Masters # # CONFIG_W1_MASTER_DS2490 is not set # CONFIG_W1_MASTER_DS2482 is not set CONFIG_W1_MASTER_MXC=y # CONFIG_W1_MASTER_DS1WM is not set # CONFIG_W1_MASTER_GPIO is not set # # 1-wire Slaves # CONFIG_W1_SLAVE_THERM=m CONFIG_W1_SLAVE_SMEM=m # CONFIG_W1_SLAVE_DS2408 is not set # CONFIG_W1_SLAVE_DS2423 is not set CONFIG_W1_SLAVE_DS2431=m CONFIG_W1_SLAVE_DS2433=m CONFIG_W1_SLAVE_DS2433_CRC=y CONFIG_W1_SLAVE_DS2760=m # CONFIG_W1_SLAVE_DS2780 is not set CONFIG_W1_SLAVE_BQ27000=m # CONFIG_POWER_SUPPLY is not set # CONFIG_HWMON is not set # CONFIG_THERMAL is not set CONFIG_WATCHDOG=y # CONFIG_WATCHDOG_NOWAYOUT is not set # # Watchdog Device Drivers # # CONFIG_SOFT_WATCHDOG is not set # CONFIG_MAX63XX_WATCHDOG is not set CONFIG_IMX2_WDT=y # # USB-based Watchdog Cards # # CONFIG_USBPCWATCHDOG is not set CONFIG_SSB_POSSIBLE=y # # Sonics Silicon Backplane # # CONFIG_SSB is not set CONFIG_BCMA_POSSIBLE=y # # Broadcom specific AMBA # # CONFIG_BCMA is not set CONFIG_MFD_SUPPORT=y # CONFIG_MFD_CORE is not set # CONFIG_MFD_88PM860X is not set # CONFIG_MFD_SM501 is not set # CONFIG_MFD_ASIC3 is not set # CONFIG_HTC_EGPIO is not set # CONFIG_HTC_PASIC3 is not set # CONFIG_HTC_I2CPLD is not set # CONFIG_TPS6105X is not set # CONFIG_TPS65010 is not set # CONFIG_TPS6507X is not set # CONFIG_MFD_TPS6586X is not set # CONFIG_TWL4030_CORE is not set # CONFIG_MFD_STMPE is not set # CONFIG_MFD_TC3589X is not set # CONFIG_MFD_TMIO is not set # CONFIG_MFD_T7L66XB is not set # CONFIG_MFD_TC6387XB is not set # CONFIG_MFD_TC6393XB is not set # CONFIG_PMIC_DA903X is not set # CONFIG_PMIC_ADP5520 is not set # CONFIG_MFD_MAX8925 is not set # CONFIG_MFD_MAX8997 is not set # CONFIG_MFD_MAX8998 is not set # CONFIG_MFD_WM8400 is not set # CONFIG_MFD_WM831X_I2C is not set # CONFIG_MFD_WM831X_SPI is not set # CONFIG_MFD_WM8350_I2C is not set # CONFIG_MFD_WM8994 is not set # CONFIG_MFD_PCF50633 is not set # CONFIG_MFD_MC13XXX is not set # CONFIG_ABX500_CORE is not set # CONFIG_EZX_PCAP is not set # CONFIG_MFD_WL1273_CORE is not set # CONFIG_MFD_TPS65910 is not set # CONFIG_REGULATOR is not set # CONFIG_MEDIA_SUPPORT is not set # # Graphics support # # CONFIG_DRM is not set # CONFIG_VGASTATE is not set # CONFIG_VIDEO_OUTPUT_CONTROL is not set # CONFIG_FB is not set # CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Display device support # # CONFIG_DISPLAY_SUPPORT is not set # CONFIG_SOUND is not set CONFIG_HID_SUPPORT=y CONFIG_HID=m CONFIG_HIDRAW=y # # USB Input Devices # CONFIG_USB_HID=m # CONFIG_HID_PID is not set # CONFIG_USB_HIDDEV is not set # # USB HID Boot Protocol drivers # # CONFIG_USB_KBD is not set # CONFIG_USB_MOUSE is not set # # Special HID drivers # # CONFIG_HID_A4TECH is not set # CONFIG_HID_ACRUX is not set # CONFIG_HID_APPLE is not set # CONFIG_HID_BELKIN is not set # CONFIG_HID_CHERRY is not set # CONFIG_HID_CHICONY is not set # CONFIG_HID_CYPRESS is not set # CONFIG_HID_DRAGONRISE is not set # CONFIG_HID_EMS_FF is not set # CONFIG_HID_EZKEY is not set # CONFIG_HID_KEYTOUCH is not set # CONFIG_HID_KYE is not set # CONFIG_HID_UCLOGIC is not set # CONFIG_HID_WALTOP is not set # CONFIG_HID_GYRATION is not set # CONFIG_HID_TWINHAN is not set # CONFIG_HID_KENSINGTON is not set # CONFIG_HID_LCPOWER is not set # CONFIG_HID_LOGITECH is not set # CONFIG_HID_MICROSOFT is not set # CONFIG_HID_MONTEREY is not set # CONFIG_HID_MULTITOUCH is not set # CONFIG_HID_NTRIG is not set # CONFIG_HID_ORTEK is not set # CONFIG_HID_PANTHERLORD is not set # CONFIG_HID_PETALYNX is not set # CONFIG_HID_PICOLCD is not set # CONFIG_HID_QUANTA is not set # CONFIG_HID_ROCCAT is not set # CONFIG_HID_ROCCAT_ARVO is not set # CONFIG_HID_ROCCAT_KONE is not set # CONFIG_HID_ROCCAT_KONEPLUS is not set # CONFIG_HID_ROCCAT_KOVAPLUS is not set # CONFIG_HID_ROCCAT_PYRA is not set # CONFIG_HID_SAMSUNG is not set # CONFIG_HID_SONY is not set # CONFIG_HID_SUNPLUS is not set # CONFIG_HID_GREENASIA is not set # CONFIG_HID_SMARTJOYPLUS is not set # CONFIG_HID_TOPSEED is not set # CONFIG_HID_THRUSTMASTER is not set # CONFIG_HID_ZEROPLUS is not set # CONFIG_HID_ZYDACRON is not set CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_HCD=y # CONFIG_USB_ARCH_HAS_OHCI is not set CONFIG_USB_ARCH_HAS_EHCI=y CONFIG_USB=y # CONFIG_USB_DEBUG is not set CONFIG_USB_ANNOUNCE_NEW_DEVICES=y # # Miscellaneous USB options # # CONFIG_USB_DEVICEFS is not set # CONFIG_USB_DEVICE_CLASS is not set CONFIG_USB_DYNAMIC_MINORS=y # CONFIG_USB_OTG_WHITELIST is not set # CONFIG_USB_OTG_BLACKLIST_HUB is not set # CONFIG_USB_MON is not set # CONFIG_USB_WUSB is not set # CONFIG_USB_WUSB_CBAF is not set # # USB Host Controller Drivers # # CONFIG_USB_C67X00_HCD is not set CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_ROOT_HUB_TT=y CONFIG_USB_EHCI_TT_NEWSCHED=y CONFIG_USB_EHCI_MXC=y # CONFIG_USB_OXU210HP_HCD is not set # CONFIG_USB_ISP116X_HCD is not set # CONFIG_USB_ISP1760_HCD is not set # CONFIG_USB_ISP1362_HCD is not set # CONFIG_USB_SL811_HCD is not set # CONFIG_USB_R8A66597_HCD is not set # CONFIG_USB_HWA_HCD is not set # CONFIG_USB_MUSB_HDRC is not set # # USB Device Class drivers # # CONFIG_USB_ACM is not set # CONFIG_USB_PRINTER is not set # CONFIG_USB_WDM is not set # CONFIG_USB_TMC is not set # # NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may # # # also be needed; see USB_STORAGE Help for more info # CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_DEBUG is not set # CONFIG_USB_STORAGE_REALTEK is not set # CONFIG_USB_STORAGE_DATAFAB is not set # CONFIG_USB_STORAGE_FREECOM is not set # CONFIG_USB_STORAGE_ISD200 is not set # CONFIG_USB_STORAGE_USBAT is not set # CONFIG_USB_STORAGE_SDDR09 is not set # CONFIG_USB_STORAGE_SDDR55 is not set # CONFIG_USB_STORAGE_JUMPSHOT is not set # CONFIG_USB_STORAGE_ALAUDA is not set # CONFIG_USB_STORAGE_KARMA is not set # CONFIG_USB_STORAGE_CYPRESS_ATACB is not set # CONFIG_USB_STORAGE_ENE_UB6250 is not set # CONFIG_USB_UAS is not set # CONFIG_USB_LIBUSUAL is not set # # USB Imaging devices # # CONFIG_USB_MDC800 is not set # CONFIG_USB_MICROTEK is not set # # USB port drivers # CONFIG_USB_SERIAL=m # CONFIG_USB_EZUSB is not set # CONFIG_USB_SERIAL_GENERIC is not set # CONFIG_USB_SERIAL_AIRCABLE is not set # CONFIG_USB_SERIAL_ARK3116 is not set # CONFIG_USB_SERIAL_BELKIN is not set # CONFIG_USB_SERIAL_CH341 is not set # CONFIG_USB_SERIAL_WHITEHEAT is not set # CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set # CONFIG_USB_SERIAL_CP210X is not set # CONFIG_USB_SERIAL_CYPRESS_M8 is not set # CONFIG_USB_SERIAL_EMPEG is not set # CONFIG_USB_SERIAL_FTDI_SIO is not set # CONFIG_USB_SERIAL_FUNSOFT is not set # CONFIG_USB_SERIAL_VISOR is not set # CONFIG_USB_SERIAL_IPAQ is not set # CONFIG_USB_SERIAL_IR is not set # CONFIG_USB_SERIAL_EDGEPORT is not set # CONFIG_USB_SERIAL_EDGEPORT_TI is not set # CONFIG_USB_SERIAL_GARMIN is not set # CONFIG_USB_SERIAL_IPW is not set # CONFIG_USB_SERIAL_IUU is not set # CONFIG_USB_SERIAL_KEYSPAN_PDA is not set # CONFIG_USB_SERIAL_KEYSPAN is not set # CONFIG_USB_SERIAL_KLSI is not set # CONFIG_USB_SERIAL_KOBIL_SCT is not set # CONFIG_USB_SERIAL_MCT_U232 is not set # CONFIG_USB_SERIAL_MOS7720 is not set # CONFIG_USB_SERIAL_MOS7840 is not set # CONFIG_USB_SERIAL_MOTOROLA is not set # CONFIG_USB_SERIAL_NAVMAN is not set # CONFIG_USB_SERIAL_PL2303 is not set # CONFIG_USB_SERIAL_OTI6858 is not set # CONFIG_USB_SERIAL_QCAUX is not set # CONFIG_USB_SERIAL_QUALCOMM is not set # CONFIG_USB_SERIAL_SPCP8X5 is not set # CONFIG_USB_SERIAL_HP4X is not set # CONFIG_USB_SERIAL_SAFE is not set # CONFIG_USB_SERIAL_SIEMENS_MPI is not set # CONFIG_USB_SERIAL_SIERRAWIRELESS is not set # CONFIG_USB_SERIAL_SYMBOL is not set # CONFIG_USB_SERIAL_TI is not set # CONFIG_USB_SERIAL_CYBERJACK is not set # CONFIG_USB_SERIAL_XIRCOM is not set # CONFIG_USB_SERIAL_OPTION is not set # CONFIG_USB_SERIAL_OMNINET is not set # CONFIG_USB_SERIAL_OPTICON is not set # CONFIG_USB_SERIAL_VIVOPAY_SERIAL is not set # CONFIG_USB_SERIAL_ZIO is not set # CONFIG_USB_SERIAL_SSU100 is not set # CONFIG_USB_SERIAL_DEBUG is not set # # USB Miscellaneous drivers # # CONFIG_USB_EMI62 is not set # CONFIG_USB_EMI26 is not set # CONFIG_USB_ADUTUX is not set # CONFIG_USB_SEVSEG is not set # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set # CONFIG_USB_IDMOUSE is not set # CONFIG_USB_FTDI_ELAN is not set # CONFIG_USB_APPLEDISPLAY is not set # CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_LD is not set # CONFIG_USB_TRANCEVIBRATOR is not set # CONFIG_USB_IOWARRIOR is not set # CONFIG_USB_TEST is not set # CONFIG_USB_ISIGHTFW is not set # CONFIG_USB_YUREX is not set # CONFIG_USB_GADGET is not set # # OTG and related infrastructure # CONFIG_USB_OTG_UTILS=y # CONFIG_USB_GPIO_VBUS is not set CONFIG_USB_ULPI=y # CONFIG_NOP_USB_XCEIV is not set # CONFIG_MMC is not set # CONFIG_MEMSTICK is not set CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y # # LED drivers # # CONFIG_LEDS_LM3530 is not set # CONFIG_LEDS_PCA9532 is not set CONFIG_LEDS_GPIO=y CONFIG_LEDS_GPIO_PLATFORM=y # CONFIG_LEDS_LP3944 is not set # CONFIG_LEDS_LP5521 is not set # CONFIG_LEDS_LP5523 is not set # CONFIG_LEDS_PCA955X is not set # CONFIG_LEDS_DAC124S085 is not set # CONFIG_LEDS_BD2802 is not set # CONFIG_LEDS_LT3593 is not set CONFIG_LEDS_TRIGGERS=y # # LED Triggers # CONFIG_LEDS_TRIGGER_TIMER=m CONFIG_LEDS_TRIGGER_HEARTBEAT=m CONFIG_LEDS_TRIGGER_BACKLIGHT=m CONFIG_LEDS_TRIGGER_GPIO=m CONFIG_LEDS_TRIGGER_DEFAULT_ON=m # # iptables trigger is under Netfilter config (LED target) # # CONFIG_NFC_DEVICES is not set # CONFIG_ACCESSIBILITY is not set CONFIG_RTC_LIB=y CONFIG_RTC_CLASS=y CONFIG_RTC_HCTOSYS=y CONFIG_RTC_HCTOSYS_DEVICE="rtc0" # CONFIG_RTC_DEBUG is not set # # RTC interfaces # CONFIG_RTC_INTF_SYSFS=y CONFIG_RTC_INTF_PROC=y CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_INTF_DEV_UIE_EMUL is not set # CONFIG_RTC_DRV_TEST is not set # # I2C RTC drivers # # CONFIG_RTC_DRV_DS1307 is not set # CONFIG_RTC_DRV_DS1374 is not set # CONFIG_RTC_DRV_DS1672 is not set # CONFIG_RTC_DRV_DS3232 is not set # CONFIG_RTC_DRV_MAX6900 is not set # CONFIG_RTC_DRV_RS5C372 is not set # CONFIG_RTC_DRV_ISL1208 is not set # CONFIG_RTC_DRV_ISL12022 is not set # CONFIG_RTC_DRV_X1205 is not set CONFIG_RTC_DRV_PCF8563=y # CONFIG_RTC_DRV_PCF8583 is not set # CONFIG_RTC_DRV_M41T80 is not set # CONFIG_RTC_DRV_BQ32K is not set # CONFIG_RTC_DRV_S35390A is not set # CONFIG_RTC_DRV_FM3130 is not set # CONFIG_RTC_DRV_RX8581 is not set # CONFIG_RTC_DRV_RX8025 is not set # CONFIG_RTC_DRV_EM3027 is not set # CONFIG_RTC_DRV_RV3029C2 is not set # # SPI RTC drivers # # CONFIG_RTC_DRV_M41T93 is not set # CONFIG_RTC_DRV_M41T94 is not set # CONFIG_RTC_DRV_DS1305 is not set # CONFIG_RTC_DRV_DS1390 is not set # CONFIG_RTC_DRV_MAX6902 is not set # CONFIG_RTC_DRV_R9701 is not set # CONFIG_RTC_DRV_RS5C348 is not set # CONFIG_RTC_DRV_DS3234 is not set # CONFIG_RTC_DRV_PCF2123 is not set # # Platform RTC drivers # # CONFIG_RTC_DRV_CMOS is not set # CONFIG_RTC_DRV_DS1286 is not set # CONFIG_RTC_DRV_DS1511 is not set # CONFIG_RTC_DRV_DS1553 is not set # CONFIG_RTC_DRV_DS1742 is not set # CONFIG_RTC_DRV_STK17TA8 is not set # CONFIG_RTC_DRV_M48T86 is not set # CONFIG_RTC_DRV_M48T35 is not set # CONFIG_RTC_DRV_M48T59 is not set # CONFIG_RTC_DRV_MSM6242 is not set CONFIG_RTC_MXC=y # CONFIG_RTC_DRV_BQ4802 is not set # CONFIG_RTC_DRV_RP5C01 is not set # CONFIG_RTC_DRV_V3020 is not set # # on-CPU RTC drivers # CONFIG_DMADEVICES=y # CONFIG_DMADEVICES_DEBUG is not set # # DMA Devices # # CONFIG_DW_DMAC is not set # CONFIG_MX3_IPU is not set # CONFIG_TIMB_DMA is not set CONFIG_IMX_SDMA=m CONFIG_DMA_ENGINE=y # # DMA Clients # # CONFIG_NET_DMA is not set # CONFIG_ASYNC_TX_DMA is not set # CONFIG_DMATEST is not set # CONFIG_AUXDISPLAY is not set # CONFIG_UIO is not set # CONFIG_STAGING is not set CONFIG_CLKDEV_LOOKUP=y CONFIG_CLKSRC_MMIO=y # # File systems # # CONFIG_EXT2_FS is not set # CONFIG_EXT3_FS is not set # CONFIG_EXT4_FS is not set # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set # CONFIG_XFS_FS is not set # CONFIG_BTRFS_FS is not set # CONFIG_NILFS2_FS is not set # CONFIG_FS_POSIX_ACL is not set CONFIG_FILE_LOCKING=y CONFIG_FSNOTIFY=y CONFIG_DNOTIFY=y CONFIG_INOTIFY_USER=y # CONFIG_FANOTIFY is not set # CONFIG_QUOTA is not set # CONFIG_QUOTACTL is not set # CONFIG_AUTOFS4_FS is not set # CONFIG_FUSE_FS is not set # # Caches # # CONFIG_FSCACHE is not set # # CD-ROM/DVD Filesystems # # CONFIG_ISO9660_FS is not set # CONFIG_UDF_FS is not set # # DOS/FAT/NT Filesystems # CONFIG_FAT_FS=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y CONFIG_FAT_DEFAULT_CODEPAGE=437 CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_NTFS_FS is not set # # Pseudo filesystems # CONFIG_PROC_FS=y CONFIG_PROC_SYSCTL=y CONFIG_PROC_PAGE_MONITOR=y CONFIG_SYSFS=y CONFIG_TMPFS=y # CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_TMPFS_XATTR is not set # CONFIG_HUGETLB_PAGE is not set # CONFIG_CONFIGFS_FS is not set CONFIG_MISC_FILESYSTEMS=y # CONFIG_ADFS_FS is not set # CONFIG_AFFS_FS is not set # CONFIG_HFS_FS is not set # CONFIG_HFSPLUS_FS is not set # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set # CONFIG_JFFS2_FS is not set CONFIG_UBIFS_FS=y CONFIG_UBIFS_FS_XATTR=y CONFIG_UBIFS_FS_ADVANCED_COMPR=y CONFIG_UBIFS_FS_LZO=y CONFIG_UBIFS_FS_ZLIB=y # CONFIG_UBIFS_FS_DEBUG is not set # CONFIG_LOGFS is not set # CONFIG_CRAMFS is not set # CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_OMFS_FS is not set # CONFIG_HPFS_FS is not set # CONFIG_QNX4FS_FS is not set # CONFIG_ROMFS_FS is not set # CONFIG_PSTORE is not set # CONFIG_SYSV_FS is not set # CONFIG_UFS_FS is not set # CONFIG_NETWORK_FILESYSTEMS is not set # # Partition Types # # CONFIG_PARTITION_ADVANCED is not set CONFIG_MSDOS_PARTITION=y CONFIG_NLS=y CONFIG_NLS_DEFAULT="iso8859-1" CONFIG_NLS_CODEPAGE_437=m # CONFIG_NLS_CODEPAGE_737 is not set # CONFIG_NLS_CODEPAGE_775 is not set CONFIG_NLS_CODEPAGE_850=m # CONFIG_NLS_CODEPAGE_852 is not set # CONFIG_NLS_CODEPAGE_855 is not set # CONFIG_NLS_CODEPAGE_857 is not set # CONFIG_NLS_CODEPAGE_860 is not set # CONFIG_NLS_CODEPAGE_861 is not set # CONFIG_NLS_CODEPAGE_862 is not set # CONFIG_NLS_CODEPAGE_863 is not set # CONFIG_NLS_CODEPAGE_864 is not set # CONFIG_NLS_CODEPAGE_865 is not set # CONFIG_NLS_CODEPAGE_866 is not set # CONFIG_NLS_CODEPAGE_869 is not set # CONFIG_NLS_CODEPAGE_936 is not set # CONFIG_NLS_CODEPAGE_950 is not set # CONFIG_NLS_CODEPAGE_932 is not set # CONFIG_NLS_CODEPAGE_949 is not set # CONFIG_NLS_CODEPAGE_874 is not set # CONFIG_NLS_ISO8859_8 is not set # CONFIG_NLS_CODEPAGE_1250 is not set # CONFIG_NLS_CODEPAGE_1251 is not set CONFIG_NLS_ASCII=m CONFIG_NLS_ISO8859_1=m # CONFIG_NLS_ISO8859_2 is not set # CONFIG_NLS_ISO8859_3 is not set # CONFIG_NLS_ISO8859_4 is not set # CONFIG_NLS_ISO8859_5 is not set # CONFIG_NLS_ISO8859_6 is not set # CONFIG_NLS_ISO8859_7 is not set # CONFIG_NLS_ISO8859_9 is not set # CONFIG_NLS_ISO8859_13 is not set # CONFIG_NLS_ISO8859_14 is not set CONFIG_NLS_ISO8859_15=m # CONFIG_NLS_KOI8_R is not set # CONFIG_NLS_KOI8_U is not set CONFIG_NLS_UTF8=m # # Kernel hacking # # CONFIG_PRINTK_TIME is not set CONFIG_DEFAULT_MESSAGE_LOGLEVEL=4 CONFIG_ENABLE_WARN_DEPRECATED=y CONFIG_ENABLE_MUST_CHECK=y CONFIG_FRAME_WARN=1024 CONFIG_MAGIC_SYSRQ=y # CONFIG_STRIP_ASM_SYMS is not set # CONFIG_UNUSED_SYMBOLS is not set CONFIG_DEBUG_FS=y # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_SECTION_MISMATCH is not set CONFIG_DEBUG_KERNEL=y # CONFIG_LOCKUP_DETECTOR is not set # CONFIG_HARDLOCKUP_DETECTOR is not set # CONFIG_DETECT_HUNG_TASK is not set CONFIG_SCHED_DEBUG=y # CONFIG_SCHEDSTATS is not set # CONFIG_TIMER_STATS is not set # CONFIG_DEBUG_OBJECTS is not set # CONFIG_DEBUG_SLAB is not set # CONFIG_DEBUG_KMEMLEAK is not set CONFIG_DEBUG_PREEMPT=y # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_RT_MUTEX_TESTER is not set # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_MUTEXES is not set # CONFIG_DEBUG_LOCK_ALLOC is not set # CONFIG_PROVE_LOCKING is not set # CONFIG_SPARSE_RCU_POINTER is not set # CONFIG_LOCK_STAT is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_WRITECOUNT is not set # CONFIG_DEBUG_MEMORY_INIT is not set # CONFIG_DEBUG_LIST is not set # CONFIG_TEST_LIST_SORT is not set # CONFIG_DEBUG_SG is not set # CONFIG_DEBUG_NOTIFIERS is not set # CONFIG_DEBUG_CREDENTIALS is not set CONFIG_FRAME_POINTER=y # CONFIG_BOOT_PRINTK_DELAY is not set # CONFIG_RCU_TORTURE_TEST is not set CONFIG_RCU_CPU_STALL_TIMEOUT=60 # CONFIG_RCU_CPU_STALL_VERBOSE is not set # CONFIG_BACKTRACE_SELF_TEST is not set # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set # CONFIG_LKDTM is not set # CONFIG_FAULT_INJECTION is not set # CONFIG_LATENCYTOP is not set # CONFIG_SYSCTL_SYSCALL_CHECK is not set # CONFIG_DEBUG_PAGEALLOC is not set CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y CONFIG_HAVE_DYNAMIC_FTRACE=y CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y CONFIG_HAVE_C_RECORDMCOUNT=y CONFIG_TRACING_SUPPORT=y # CONFIG_FTRACE is not set # CONFIG_DYNAMIC_DEBUG is not set # CONFIG_DMA_API_DEBUG is not set # CONFIG_ATOMIC64_SELFTEST is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set # CONFIG_TEST_KSTRTOX is not set # CONFIG_STRICT_DEVMEM is not set # CONFIG_ARM_UNWIND is not set # CONFIG_DEBUG_USER is not set # CONFIG_DEBUG_LL is not set # CONFIG_OC_ETM is not set # # Security options # # CONFIG_KEYS is not set # CONFIG_SECURITY_DMESG_RESTRICT is not set # CONFIG_SECURITY is not set # CONFIG_SECURITYFS is not set CONFIG_DEFAULT_SECURITY_DAC=y CONFIG_DEFAULT_SECURITY="" CONFIG_CRYPTO=y # # Crypto core or helper # CONFIG_CRYPTO_ALGAPI=y CONFIG_CRYPTO_ALGAPI2=y CONFIG_CRYPTO_AEAD2=y CONFIG_CRYPTO_BLKCIPHER=y CONFIG_CRYPTO_BLKCIPHER2=y CONFIG_CRYPTO_HASH=y CONFIG_CRYPTO_HASH2=y CONFIG_CRYPTO_RNG2=y CONFIG_CRYPTO_PCOMP=m CONFIG_CRYPTO_PCOMP2=y CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_MANAGER2=y CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y # CONFIG_CRYPTO_GF128MUL is not set # CONFIG_CRYPTO_NULL is not set CONFIG_CRYPTO_WORKQUEUE=y # CONFIG_CRYPTO_CRYPTD is not set # CONFIG_CRYPTO_AUTHENC is not set # CONFIG_CRYPTO_TEST is not set # # Authenticated Encryption with Associated Data # # CONFIG_CRYPTO_CCM is not set # CONFIG_CRYPTO_GCM is not set # CONFIG_CRYPTO_SEQIV is not set # # Block modes # CONFIG_CRYPTO_CBC=y # CONFIG_CRYPTO_CTR is not set # CONFIG_CRYPTO_CTS is not set # CONFIG_CRYPTO_ECB is not set # CONFIG_CRYPTO_LRW is not set # CONFIG_CRYPTO_PCBC is not set # CONFIG_CRYPTO_XTS is not set # # Hash modes # # CONFIG_CRYPTO_HMAC is not set # CONFIG_CRYPTO_XCBC is not set # CONFIG_CRYPTO_VMAC is not set # # Digest # # CONFIG_CRYPTO_CRC32C is not set # CONFIG_CRYPTO_GHASH is not set # CONFIG_CRYPTO_MD4 is not set CONFIG_CRYPTO_MD5=y # CONFIG_CRYPTO_MICHAEL_MIC is not set # CONFIG_CRYPTO_RMD128 is not set # CONFIG_CRYPTO_RMD160 is not set # CONFIG_CRYPTO_RMD256 is not set # CONFIG_CRYPTO_RMD320 is not set # CONFIG_CRYPTO_SHA1 is not set # CONFIG_CRYPTO_SHA256 is not set # CONFIG_CRYPTO_SHA512 is not set # CONFIG_CRYPTO_TGR192 is not set # CONFIG_CRYPTO_WP512 is not set # # Ciphers # # CONFIG_CRYPTO_AES is not set # CONFIG_CRYPTO_ANUBIS is not set # CONFIG_CRYPTO_ARC4 is not set # CONFIG_CRYPTO_BLOWFISH is not set # CONFIG_CRYPTO_CAMELLIA is not set # CONFIG_CRYPTO_CAST5 is not set # CONFIG_CRYPTO_CAST6 is not set CONFIG_CRYPTO_DES=y # CONFIG_CRYPTO_FCRYPT is not set # CONFIG_CRYPTO_KHAZAD is not set # CONFIG_CRYPTO_SALSA20 is not set # CONFIG_CRYPTO_SEED is not set # CONFIG_CRYPTO_SERPENT is not set # CONFIG_CRYPTO_TEA is not set # CONFIG_CRYPTO_TWOFISH is not set # # Compression # CONFIG_CRYPTO_DEFLATE=y CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=y # # Random Number Generation # # CONFIG_CRYPTO_ANSI_CPRNG is not set # CONFIG_CRYPTO_USER_API_HASH is not set # CONFIG_CRYPTO_USER_API_SKCIPHER is not set CONFIG_CRYPTO_HW=y # CONFIG_BINARY_PRINTF is not set # # Library routines # CONFIG_BITREVERSE=y CONFIG_RATIONAL=y CONFIG_CRC_CCITT=y CONFIG_CRC16=y # CONFIG_CRC_T10DIF is not set # CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y # CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y CONFIG_LZO_COMPRESS=y CONFIG_LZO_DECOMPRESS=y # CONFIG_XZ_DEC is not set # CONFIG_XZ_DEC_BCJ is not set CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y CONFIG_NLATTR=y CONFIG_GENERIC_ATOMIC64=y # CONFIG_AVERAGE is not set ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-09 15:13 ` [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 Tim Sander @ 2011-08-11 9:43 ` Peter Zijlstra 2011-08-11 11:30 ` Tim Sander 2011-08-11 10:45 ` Peter Zijlstra 1 sibling, 1 reply; 33+ messages in thread From: Peter Zijlstra @ 2011-08-11 9:43 UTC (permalink / raw) To: Tim Sander Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users Please ensure your mailer doesn't wrap splats, ARM splats are aren't my strong point to begin with and having them look all messed up doesn't help. On Tue, 2011-08-09 at 17:13 +0200, Tim Sander wrote: > kernel BUG at mm/filemap.c:2043! > Unable to handle kernel NULL pointer dereference at virtual address 00000000 > pgd = c7a44000 > [00000000] *pgd=87a3e831, *pte=00000000, *ppte=00000000 > Internal error: Oops: 817 [#1] PREEMPT > Modules linked in: > CPU: 0 Not tainted (3.0.1-pmx-rt8 #1) > PC is at __bug+0x24/0x30 > LR is at vprintk+0x3b4/0x404 > pc : [<c002cbd0>] lr : [<c003e29c>] psr: 20000013 > sp : c7a37ce8 ip : c7a37c30 fp : c7a37cf4 > r10: c7a62c60 r9 : 00000000 r8 : 00000000 > r7 : 00000000 r6 : 00000008 r5 : c0428aa0 r4 : c7a37d78 > r3 : 00000000 r2 : 00000002 r1 : 00000000 r0 : 00000027 > Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user > Control: 00c5387d Table: 87a44008 DAC: 00000015 > Process udevd (pid: 216, stack limit = 0xc7a36268) > Stack: (0xc7a37ce8 to 0xc7a38000) > 7ce0: c7a37d14 c7a37cf8 c0076a30 c002cbb8 c7a37d78 c7a3d7a0 > 7d00: 00000008 c0253020 c7a37d74 c7a37d18 c0076bb0 c00769f8 00000008 00000000 > 7d20: c7a37d44 c7a37d40 c7a36000 00000000 00001000 00000000 00000000 00000000 > 7d40: c7a37d74 c0428aa0 c0041c64 00000000 00000000 00000000 c7a62c60 c7a37d78 > 7d60: 00000000 00000000 c7a37dac c7a37d78 c0076ce8 c0076ad4 c7a37f10 00000001 > 7d80: 00000000 00000008 00000000 00000000 00000000 c7a62c60 c7a3d6f0 00000008 > 7da0: c7a37e3c c7a37db0 c0078ee4 c0076c98 00000000 00000000 c7a37ed0 00000008 > 7dc0: 00000000 c0035098 c7a37dec c7a37dd8 c0035098 c002b600 c7a3d7a0 c7a37ed0 > 7de0: c7a37f10 c7a37e98 c008ec84 c0034fe8 00000000 00000001 c7a37e24 c7a3fa18 > 7e00: 400d3000 00000000 c7a45000 00000008 c7a09860 00000000 c7a62c60 c7a3d70c > 7e20: 00000000 c7a37e98 c7a37f10 00000001 c7a37e8c c7a37e40 c0078fa8 c0078a88 > 7e40: c002b5f4 00000001 91827364 c7a37e4c c7a37e4c c7a37e54 c7a37e54 00000000 > 7e60: c7a37eb4 c7a62c60 c7a37e98 c7a37f70 c7a37f10 fffffdee c7a36000 00000000 > 7e80: c7a37f3c c7a37e90 c00a18a0 c0078f3c 00000000 00000000 c014e08c c0034fe8 > 7ea0: 00000000 00000001 ffffffff c7a62c60 00000000 00000000 00000000 00000000 > 7ec0: c7860960 c005c35c 00000000 00000000 00000000 00000000 00000007 400d3000 > 7ee0: 00000008 c7a37fb0 00000008 be9ba378 c7a37fac c7a37f00 c002420c c002f0f4 > 7f00: c00242b0 c002f0f4 c7a37f2c c7a37f18 400d3000 00000008 c7a09898 00000008 > 7f20: c7a62c60 400d3000 c7a37f70 00000008 c7a37f6c c7a37f40 c00a1ff4 c00a1804 > 7f40: c7a36000 400d3000 00001000 c7a62c60 400d3000 00000000 00000000 00000008 > 7f60: c7a37fa4 c7a37f70 c00a2278 c00a1f44 00000000 00000000 00000022 00000000 > 7f80: ffffffff 00000008 000233d8 400d3000 00000004 c0029c04 00000000 c7a37fa8 > 7fa0: c0029a80 c00a2240 00000008 000233d8 0000000a 400d3000 00000008 00000000 > 7fc0: 00000008 000233d8 400d3000 00000004 00000008 00022344 000c42e8 00000001 > 7fe0: 00000000 be9b96e8 4017fe0c 401d321c 60000010 0000000a d4cc6578 c2888810 > Backtrace: > [<c002cbac>] (__bug+0x0/0x30) from [<c0076a30>] (iov_iter_copy_from_user_atomic+0x44/0xdc) > [<c00769ec>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076bb0>] (generic_perform_write+0xe8/0x1c4) r7:c0253020 r6:00000008 r5:c7a3d7a0 r4:c7a37d78 > [<c0076ac8>] (generic_perform_write+0x0/0x1c4) from [<c0076ce8>] (generic_file_buffered_write+0x5c/0x88) > [<c0076c8c>] (generic_file_buffered_write+0x0/0x88) from [<c0078ee4>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a3d6f0 r6:c7a62c60 r5:00000000 r4:00000000 > [<c0078a7c>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078fa8>] (generic_file_aio_write+0x78/0xe8) > [<c0078f30>] (generic_file_aio_write+0x0/0xe8) from [<c00a18a0>] (do_sync_write+0xa8/0xe4) > [<c00a17f8>] (do_sync_write+0x0/0xe4) from [<c00a1ff4>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400d3000 r5:c7a62c60 r4:00000008 > [<c00a1f38>] (vfs_write+0x0/0x148) from [<c00a2278>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400d3000 r4:c7a62c60 > [<c00a2234>] (sys_write+0x0/0x70) from [<c0029a80>] (ret_fast_syscall+0x0/0x30) r8:c0029c04 r7:00000004 r6:400d3000 r5:000233d8 r4:00000008 > Code: e59f0010 e1a01003 eb087524 e3a03000 (e5833000) > ---[ end trace 8dc2e804e8379a4c ]--- Right, so I wouldn't know where to start looking on this one. That's generic code exploding for some reason. How is that related to RTB and what is RTB to begin with? ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-11 9:43 ` Peter Zijlstra @ 2011-08-11 11:30 ` Tim Sander 2011-08-11 12:02 ` Peter Zijlstra 2011-08-11 12:41 ` Peter Zijlstra 0 siblings, 2 replies; 33+ messages in thread From: Tim Sander @ 2011-08-11 11:30 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users Hi Peter Thanks for your reply. > Please ensure your mailer doesn't wrap splats, ARM splats are aren't my > strong point to begin with and having them look all messed up doesn't > help. Im sorry for the inconvinience. Below is a version without newlines broken. The error does not occur when configured with CONFIG_PREEMPT_RT_FULL=y but with CONFIG_PREEMPT_RTB=y. The same error also happens with CONFIG_PREEMPT_LL=y. (A log is appended after the other log just search for CONFIG_PREEMPT_LL for starting point). Best regards Tim Log with CONFIG_PREEMPT_RTB: commandline: console=ttymxc0,115200 init=/usr/sbin/init lpj=2654208 quiet ip=none ubi.mtd=3 root=ubi0:root rootfstype=ubifs mtdparts=physmap- flash.0:256k(barebox)ro,128k(env),2M(kernel),-(rootfs);mxc_nand:-(data) arch_number: 2072 Starting kernel ... Uncompressing Linux... done, booting the kernel. drivers/rtc/hctosys.c: unable to open rtc device (rtc0) kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7a44000 [00000000] *pgd=87a31831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#1] PREEMPT Modules linked in: nand_ecc(+) CPU: 0 Not tainted (3.0.1-pmx-rt8 #2) PC is at __bug+0x24/0x30 LR is at vprintk+0x398/0x404 pc : [<c002cbf0>] lr : [<c003e2fc>] psr: 60000013 sp : c7a37ce8 ip : c7a37c30 fp : c7a37cf4 r10: c789f840 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000008 r5 : c04286c0 r4 : c7a37d78 r3 : 00000000 r2 : 00000002 r1 : 00000000 r0 : 00000027 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87a44008 DAC: 00000015 Process udevd (pid: 216, stack limit = 0xc7a36268) Stack: (0xc7a37ce8 to 0xc7a38000) 7ce0: c7a37d14 c7a37cf8 c0076aac c002cbd8 c7a37d78 c7a617a0 7d00: 00000008 c02530a0 c7a37d74 c7a37d18 c0076c2c c0076a74 00000008 00000000 7d20: c7a37d44 c7a37d40 c7a36000 00000000 00001000 00000000 00000000 00000000 7d40: c7a37d74 c04286c0 c0041ce0 00000000 00000000 00000000 c789f840 c7a37d78 7d60: 00000000 00000000 c7a37dac c7a37d78 c0076d64 c0076b50 c7a37f10 00000001 7d80: 00000000 00000008 00000000 00000000 00000000 c789f840 c7a616f0 00000008 7da0: c7a37e3c c7a37db0 c0078f60 c0076d14 00000000 00000000 c7a37ed0 00000008 7dc0: 00000000 c0035114 c7a37dec c7a37dd8 c0035114 c002b620 c7a617a0 c7a37ed0 7de0: c7a37f10 c7a37e98 c008ed00 c0035064 00000000 00000001 c7a37e24 c7a6d808 7e00: 400c3000 00000000 c7a45000 00000008 c7a08860 00000000 c789f840 c7a6170c 7e20: 00000000 c7a37e98 c7a37f10 00000001 c7a37e8c c7a37e40 c0079024 c0078b04 7e40: c002b614 00000001 91827364 c7a37e4c c7a37e4c c7a37e54 c7a37e54 00000000 7e60: c7a37eb4 c789f840 c7a37e98 c7a37f70 c7a37f10 fffffdee c7a36000 00000000 7e80: c7a37f3c c7a37e90 c00a191c c0078fb8 00000000 00000000 c014e10c c0035064 7ea0: 00000000 00000001 ffffffff c789f840 00000000 00000000 00000000 00000000 7ec0: c7860c40 c005c3d8 00000000 00000000 00000000 00000000 00000007 400c3000 7ee0: 00000008 c7a37fb0 00000008 bee39378 c7a37fac c7a37f00 c002420c c002f114 7f00: c00242b0 c002f114 c7a37f2c c7a37f18 400c3000 00000008 c7a08898 00000008 7f20: c789f840 400c3000 c7a37f70 00000008 c7a37f6c c7a37f40 c00a2070 c00a1880 7f40: c7a36000 400c3000 00001000 c789f840 400c3000 00000000 00000000 00000008 7f60: c7a37fa4 c7a37f70 c00a22f4 c00a1fc0 00000000 00000000 00000022 00000000 7f80: ffffffff 00000008 000233d8 400c3000 00000004 c0029c24 00000000 c7a37fa8 7fa0: c0029aa0 c00a22bc 00000008 000233d8 0000000a 400c3000 00000008 00000000 7fc0: 00000008 000233d8 400c3000 00000004 00000008 00022344 000c42e8 00000001 7fe0: 00000000 bee386e8 4014fe0c 401a321c 60000010 0000000a 006c6961 646e616e Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00000008 r5:c7a617a0 r4:c7a37d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a616f0 r6:c789f840 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400c3000 r5:c789f840 r4:00000008 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400c3000 r4:c789f840 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:400c3000 r5:000233d8 r4:00000008 Code: e59f0010 e1a01003 eb08753c e3a03000 (e5833000) ---[ end trace 2c683ece01bdd6a1 ]--- note: udevd[216] exited with preempt_count 1 BUG: scheduling while atomic: udevd/216/0x40000002 Modules linked in: nand_ecc(+) Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0) r4:c7860c40 r3:00000000 [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c) [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48) r4:c7a37abc r3:00000001 [<c024a554>] (_cond_resched+0x0/0x48) from [<c00903ac>] (unmap_page_range+0x1c4/0x1dc) [<c00901e8>] (unmap_page_range+0x0/0x1dc) from [<c00908b4>] (unmap_vmas+0x80/0xb0) [<c0090834>] (unmap_vmas+0x0/0xb0) from [<c0094b04>] (exit_mmap+0x12c/0x290) [<c00949d8>] (exit_mmap+0x0/0x290) from [<c003b224>] (mmput+0x3c/0xec) r7:c7a08894 r6:00000000 r5:00000000 r4:c7a08860 [<c003b1e8>] (mmput+0x0/0xec) from [<c003f2fc>] (exit_mm+0x150/0x160) r5:c7860c40 r4:c7a08860 [<c003f1ac>] (exit_mm+0x0/0x160) from [<c0040acc>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7860c40 [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a08860 r4:c7a37ca0 r3:c7a37ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c04286c0 00000008 00000000 7cc0: 00000000 00000000 c789f840 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0 7ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00000008 r5:c7a617a0 r4:c7a37d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a616f0 r6:c789f840 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400c3000 r5:c789f840 r4:00000008 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400c3000 r4:c789f840 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:400c3000 r5:000233d8 r4:00000008 init: mount main process (218) terminated with status 1 BUG: scheduling while atomic: udevd/216/0x40000002 Modules linked in: nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0) r4:c7860c40 r3:00000000 [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c) [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48) r4:c7818c80 r3:00000001 [<c024a554>] (_cond_resched+0x0/0x48) from [<c00407cc>] (put_files_struct+0x94/0xec) [<c0040738>] (put_files_struct+0x0/0xec) from [<c00408d0>] (exit_files+0x58/0x5c) [<c0040878>] (exit_files+0x0/0x5c) from [<c0040adc>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7860c40 [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a08860 r4:c7a37ca0 r3:c7a37ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c04286c0 00000008 00000000 7cc0: 00000000 00000000 c789f840 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0 7ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00000008 r5:c7a617a0 r4:c7a37d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a616f0 r6:c789f840 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400c3000 r5:c789f840 r4:00000008 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400c3000 r4:c789f840 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:400c3000 r5:000233d8 r4:00000008 tim login: NAND device: Manufacturer ID: 0xec, Chip ID: 0xd3 (Samsung NAND 1GiB 3,3V 8-bit) Scanning device for bad blocks kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7ad4000 [00000000] *pgd=87aa6831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#2] PREEMPT Modules linked in: mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #2) PC is at __bug+0x24/0x30 LR is at vprintk+0x3b4/0x404 pc : [<c002cbf0>] lr : [<c003e318>] psr: 20000013 sp : c7ac1ce8 ip : c7ac1c30 fp : c7ac1cf4 r10: c7abfa40 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000041 r5 : c0334d80 r4 : c7ac1d78 r3 : 00000000 r2 : 00000002 r1 : 00000001 r0 : 00000027 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87ad4008 DAC: 00000015 Process syslogd (pid: 233, stack limit = 0xc7ac0268) Stack: (0xc7ac1ce8 to 0xc7ac2000) 1ce0: c7ac1d14 c7ac1cf8 c0076aac c002cbd8 c7ac1d78 c7a61490 1d00: 00000041 c02530a0 c7ac1d74 c7ac1d18 c0076c2c c0076a74 00000041 00000000 1d20: c7ac1d44 c7ac1d40 c7ac0000 00000000 00001000 00000000 00000000 00000000 1d40: c7ac1d74 c0334d80 c0041ce0 00000000 00000000 00000000 c7abfa40 c7ac1d78 1d60: 00000000 00000000 c7ac1dac c7ac1d78 c0076d64 c0076b50 c7ac1f10 00000001 1d80: 00000000 00000041 00000000 00000000 00000000 c7abfa40 c7a613e0 00000041 1da0: c7ac1e3c c7ac1db0 c0078f60 c0076d14 00000000 00000000 c7ac1ed0 00000041 1dc0: 00000000 c00574a4 ffffffff c7ac0000 c7ac1e2c c7ac1de0 c7a61490 c7ac1ed0 1de0: c7ac1f10 c7ac1e98 00000000 401b7000 00000000 00000001 401b7000 c04291c0 1e00: c7ac1e2c c7a27a18 000000b7 00000041 c7ad5000 00000000 c7abfa40 c7a613fc 1e20: 00000000 c7ac1e98 c7ac1f10 00000001 c7ac1e8c c7ac1e40 c0079024 c0078b04 1e40: c002cbb0 c002b5f0 91827364 c7ac1e4c c7ac1e4c c7ac1e54 c7ac1e54 00000000 1e60: c002b650 c7abfa40 c7ac1e98 c7ac1f70 c7ac1f10 fffffdee c7ac0000 00000000 1e80: c7ac1f3c c7ac1e90 c00a191c c0078fb8 00000000 00000000 c7ac1ebc c7ac1ea8 1ea0: 00000000 00000001 ffffffff c7abfa40 00000000 00000000 00000000 00000000 1ec0: c7838080 c7ac1ed0 00000000 00000000 00000000 00000000 00000000 00000007 1ee0: 00000041 401b7200 00000041 00000041 00000000 0006c6f0 c7ac1fac c7ac1f08 1f00: c00242b0 c002f114 00000003 0db58584 0006c458 00000041 00000079 00000041 1f20: c7abfa40 0006c458 c7ac1f70 00000041 c7ac1f6c c7ac1f40 c00a2070 c00a1880 1f40: 00000079 00000000 00000010 c7abfa40 0006c458 00000000 00000000 00000041 1f60: c7ac1fa4 c7ac1f70 c00a22f4 c00a1fc0 00000000 00000000 00000003 00000000 1f80: 00001000 0006b89c 00000041 0006c458 00000004 c0029c24 00000000 c7ac1fa8 1fa0: c0029aa0 c00a22bc 0006b89c 00000041 00000004 0006c458 00000041 00032000 1fc0: 0006b89c 00000041 0006c458 00000004 00000041 00000000 0006c6f0 beb31bdc 1fe0: 00000004 beb31b30 0000faa4 401b721c 60000010 00000004 00000000 00000000 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00000041 r5:c7a61490 r4:c7ac1d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a613e0 r6:c7abfa40 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7ac1f70 r6:0006c458 r5:c7abfa40 r4:00000041 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7abfa40 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c Code: e59f0010 e1a01003 eb08753c e3a03000 (e5833000) ---[ end trace 2c683ece01bdd6a2 ]--- note: syslogd[233] exited with preempt_count 1 BUG: scheduling while atomic: syslogd/233/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c) r6:c7ac0000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0) r4:c7838080 r3:00000000 [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c) [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48) r4:c7ac1abc r3:00000001 [<c024a554>] (_cond_resched+0x0/0x48) from [<c00903ac>] (unmap_page_range+0x1c4/0x1dc) [<c00901e8>] (unmap_page_range+0x0/0x1dc) from [<c00908b4>] (unmap_vmas+0x80/0xb0) [<c0090834>] (unmap_vmas+0x0/0xb0) from [<c0094b04>] (exit_mmap+0x12c/0x290) [<c00949d8>] (exit_mmap+0x0/0x290) from [<c003b224>] (mmput+0x3c/0xec) r7:c7a7dbf4 r6:00000000 r5:00000000 r4:c7a7dbc0 [<c003b1e8>] (mmput+0x0/0xec) from [<c003f2fc>] (exit_mm+0x150/0x160) r5:c7838080 r4:c7a7dbc0 [<c003f1ac>] (exit_mm+0x0/0x160) from [<c0040acc>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7838080 [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7ac1ca0 r6:c7a7dbc0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7838080 r5:c7a7dbc0 r4:c7ac1ca0 r3:c7ac1ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7ac1ca0 to 0xc7ac1ce8) 1ca0: 00000027 00000001 00000002 00000000 c7ac1d78 c0334d80 00000041 00000000 1cc0: 00000000 00000000 c7abfa40 c7ac1cf4 c7ac1c30 c7ac1ce8 c003e318 c002cbf0 1ce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000041 r5:c7ac1cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00000041 r5:c7a61490 r4:c7ac1d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a613e0 r6:c7abfa40 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7ac1f70 r6:0006c458 r5:c7abfa40 r4:00000041 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7abfa40 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c BUG: scheduling while atomic: syslogd/233/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c) r6:c7ac0000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0) r4:c7838080 r3:00000000 [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c) [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48) r4:c7ac1abc r3:00000001 [<c024a554>] (_cond_resched+0x0/0x48) from [<c00903ac>] (unmap_page_range+0x1c4/0x1dc) [<c00901e8>] (unmap_page_range+0x0/0x1dc) from [<c00908b4>] (unmap_vmas+0x80/0xb0) [<c0090834>] (unmap_vmas+0x0/0xb0) from [<c0094b04>] (exit_mmap+0x12c/0x290) [<c00949d8>] (exit_mmap+0x0/0x290) from [<c003b224>] (mmput+0x3c/0xec) r7:c7a7dbf4 r6:00000000 r5:00000000 r4:c7a7dbc0 [<c003b1e8>] (mmput+0x0/0xec) from [<c003f2fc>] (exit_mm+0x150/0x160) r5:c7838080 r4:c7a7dbc0 [<c003f1ac>] (exit_mm+0x0/0x160) from [<c0040acc>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7838080 [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7ac1ca0 r6:c7a7dbc0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7838080 r5:c7a7dbc0 r4:c7ac1ca0 r3:c7ac1ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7ac1ca0 to 0xc7ac1ce8) 1ca0: 00000027 00000001 00000002 00000000 c7ac1d78 c0334d80 00000041 00000000 1cc0: 00000000 00000000 c7abfa40 c7ac1cf4 c7ac1c30 c7ac1ce8 c003e318 c002cbf0 1ce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000041 r5:c7ac1cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00000041 r5:c7a61490 r4:c7ac1d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a613e0 r6:c7abfa40 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7ac1f70 r6:0006c458 r5:c7abfa40 r4:00000041 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7abfa40 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c BUG: scheduling while atomic: syslogd/233/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c) r6:c7ac0000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0) r4:c7838080 r3:00000000 [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c) [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48) r4:c7818500 r3:00000001 [<c024a554>] (_cond_resched+0x0/0x48) from [<c00407cc>] (put_files_struct+0x94/0xec) [<c0040738>] (put_files_struct+0x0/0xec) from [<c00408d0>] (exit_files+0x58/0x5c) [<c0040878>] (exit_files+0x0/0x5c) from [<c0040adc>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7838080 [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7ac1ca0 r6:c7a7dbc0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7838080 r5:c7a7dbc0 r4:c7ac1ca0 r3:c7ac1ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7ac1ca0 to 0xc7ac1ce8) 1ca0: 00000027 00000001 00000002 00000000 c7ac1d78 c0334d80 00000041 00000000 1cc0: 00000000 00000000 c7abfa40 c7ac1cf4 c7ac1c30 c7ac1ce8 c003e318 c002cbf0 1ce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000041 r5:c7ac1cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00000041 r5:c7a61490 r4:c7ac1d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a613e0 r6:c7abfa40 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7ac1f70 r6:0006c458 r5:c7abfa40 r4:00000041 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7abfa40 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c BUG: scheduling while atomic: syslogd/233/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c) r6:c7ac0000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0) r4:c7838080 r3:00000000 [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c) [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48) r4:c7818500 r3:00000001 [<c024a554>] (_cond_resched+0x0/0x48) from [<c00407cc>] (put_files_struct+0x94/0xec) [<c0040738>] (put_files_struct+0x0/0xec) from [<c00408d0>] (exit_files+0x58/0x5c) [<c0040878>] (exit_files+0x0/0x5c) from [<c0040adc>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7838080 [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7ac1ca0 r6:c7a7dbc0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7838080 r5:c7a7dbc0 r4:c7ac1ca0 r3:c7ac1ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7ac1ca0 to 0xc7ac1ce8) 1ca0: 00000027 00000001 00000002 00000000 c7ac1d78 c0334d80 00000041 00000000 1cc0: 00000000 00000000 c7abfa40 c7ac1cf4 c7ac1c30 c7ac1ce8 c003e318 c002cbf0 1ce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000041 r5:c7ac1cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00000041 r5:c7a61490 r4:c7ac1d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a613e0 r6:c7abfa40 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7ac1f70 r6:0006c458 r5:c7abfa40 r4:00000041 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7abfa40 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c BUG: scheduling while atomic: syslogd/233/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c) r6:c7ac0000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0) r4:c7838080 r3:00000000 [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c) [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48) r4:c7818500 r3:00000001 [<c024a554>] (_cond_resched+0x0/0x48) from [<c00407cc>] (put_files_struct+0x94/0xec) [<c0040738>] (put_files_struct+0x0/0xec) from [<c00408d0>] (exit_files+0x58/0x5c) [<c0040878>] (exit_files+0x0/0x5c) from [<c0040adc>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7838080 [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7ac1ca0 r6:c7a7dbc0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7838080 r5:c7a7dbc0 r4:c7ac1ca0 r3:c7ac1ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7ac1ca0 to 0xc7ac1ce8) 1ca0: 00000027 00000001 00000002 00000000 c7ac1d78 c0334d80 00000041 00000000 1cc0: 00000000 00000000 c7abfa40 c7ac1cf4 c7ac1c30 c7ac1ce8 c003e318 c002cbf0 1ce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000041 r5:c7ac1cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00000041 r5:c7a61490 r4:c7ac1d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a613e0 r6:c7abfa40 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7ac1f70 r6:0006c458 r5:c7abfa40 r4:00000041 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7abfa40 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c sched: RT throttling activated Segmentation faultinit: syslogd main process (228) terminated with status 139 init: syslogd main process ended, respawning kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7a74000 [00000000] *pgd=87a5f831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#3] PREEMPT Modules linked in: mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #2) PC is at __bug+0x24/0x30 LR is at vprintk+0x3b4/0x404 pc : [<c002cbf0>] lr : [<c003e318>] psr: 20000013 sp : c7a81ce8 ip : c7a81c30 fp : c7a81cf4 r10: c7a31e20 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000006 r5 : c0428ee0 r4 : c7a81d78 r3 : 00000000 r2 : 00000002 r1 : 00000002 r0 : 00000027 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87a74008 DAC: 00000015 Process ifup (pid: 222, stack limit = 0xc7a80268) Stack: (0xc7a81ce8 to 0xc7a82000) 1ce0: c7a81d14 c7a81cf8 c0076aac c002cbd8 c7a81d78 c7a61618 1d00: 00000006 c02530a0 c7a81d74 c7a81d18 c0076c2c c0076a74 00000006 00000000 1d20: c7a81d44 c7a81d40 c7a80000 00000000 00001000 00000000 00000000 00000000 1d40: c7a81d74 c0428ee0 c0041ce0 00000000 00000000 00000000 c7a31e20 c7a81d78 1d60: 00000000 00000000 c7a81dac c7a81d78 c0076d64 c0076b50 c7a81f10 00000001 1d80: 00000000 00000006 00000000 00000000 00000000 c7a31e20 c7a61568 00000006 1da0: c7a81e3c c7a81db0 c0078f60 c0076d14 00000000 00000000 c7a81ed0 00000006 1dc0: 00000000 c0035114 c7a81dec c7a81dd8 c0035114 c002b620 c7a61618 c7a81ed0 1de0: c7a81f10 c7a81e98 c008ed00 c0035064 00000000 00000001 c7a81e24 c7a6d700 1e00: 40046000 00000000 c7a75000 00000006 c7a081e0 00000000 c7a31e20 c7a61584 1e20: 00000000 c7a81e98 c7a81f10 00000001 c7a81e8c c7a81e40 c0079024 c0078b04 1e40: c002b614 00000001 91827364 c7a81e4c c7a81e4c c7a81e54 c7a81e54 00000000 1e60: c7a81eb4 c7a31e20 c7a81e98 c7a81f70 c7a81f10 fffffdee c7a80000 00000000 1e80: c7a81f3c c7a81e90 c00a191c c0078fb8 00000000 00000000 c014e10c c0035064 1ea0: 00000000 00000001 ffffffff c7a31e20 00000000 00000000 00000000 00000000 1ec0: c787d400 c005c3d8 00000000 00000000 00000000 00000000 00000007 40046000 1ee0: 00000006 c7a81fb0 00000006 0006c0d8 c7a81fac c7a81f00 c002420c c002f114 1f00: c00242b0 c002f114 c7a81f2c c7a81f18 40046000 00000006 c7a08218 00000006 1f20: c7a31e20 40046000 c7a81f70 00000006 c7a81f6c c7a81f40 c00a2070 c00a1880 1f40: c7a80000 40046000 00001000 c7a31e20 40046000 00000000 00000000 00000006 1f60: c7a81fa4 c7a81f70 c00a22f4 c00a1fc0 00000000 00000000 00000022 00000000 1f80: ffffffff 00000006 0006c4c8 40046000 00000004 c0029c24 00000000 c7a81fa8 1fa0: c0029aa0 c00a22bc 00000006 0006c4c8 00000003 40046000 00000006 00000000 1fc0: 00000006 0006c4c8 40046000 00000004 00000006 00000000 000c42e8 00000001 1fe0: 00000000 be8a6c10 4013ce0c 4019021c 60000010 00000003 7fe00402 7ff00402 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00000006 r5:c7a61618 r4:c7a81d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00000006 r7:c7a61568 r6:c7a31e20 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00000006 r7:c7a81f70 r6:40046000 r5:c7a31e20 r4:00000006 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00000006 r7:00000000 r6:00000000 r5:40046000 r4:c7a31e20 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40046000 r5:0006c4c8 r4:00000006 Code: e59f0010 e1a01003 eb08753c e3a03000 (e5833000) ---[ end trace 2c683ece01bdd6a3 ]--- note: ifup[222] exited with preempt_count 1 BUG: scheduling while atomic: ifup/222/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c) r6:c7a80000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0) r4:c787d400 r3:00000000 [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c) [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48) r4:c7a81abc r3:00000001 [<c024a554>] (_cond_resched+0x0/0x48) from [<c00903ac>] (unmap_page_range+0x1c4/0x1dc) [<c00901e8>] (unmap_page_range+0x0/0x1dc) from [<c00908b4>] (unmap_vmas+0x80/0xb0) [<c0090834>] (unmap_vmas+0x0/0xb0) from [<c0094b04>] (exit_mmap+0x12c/0x290) [<c00949d8>] (exit_mmap+0x0/0x290) from [<c003b224>] (mmput+0x3c/0xec) r7:c7a08214 r6:00000000 r5:00000000 r4:c7a081e0 [<c003b1e8>] (mmput+0x0/0xec) from [<c003f2fc>] (exit_mm+0x150/0x160) r5:c787d400 r4:c7a081e0 [<c003f1ac>] (exit_mm+0x0/0x160) from [<c0040acc>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c787d400 [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a81ca0 r6:c7a081e0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c787d400 r5:c7a081e0 r4:c7a81ca0 r3:c7a81ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a81ca0 to 0xc7a81ce8) 1ca0: 00000027 00000002 00000002 00000000 c7a81d78 c0428ee0 00000006 00000000 1cc0: 00000000 00000000 c7a31e20 c7a81cf4 c7a81c30 c7a81ce8 c003e318 c002cbf0 1ce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000006 r5:c7a81cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00000006 r5:c7a61618 r4:c7a81d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00000006 r7:c7a61568 r6:c7a31e20 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00000006 r7:c7a81f70 r6:40046000 r5:c7a31e20 r4:00000006 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00000006 r7:00000000 r6:00000000 r5:40046000 r4:c7a31e20 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40046000 r5:0006c4c8 r4:00000006 BUG: scheduling while atomic: udevd/216/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0) r4:c7860c40 r3:00000000 [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c) [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48) r4:c7818c80 r3:00000001 [<c024a554>] (_cond_resched+0x0/0x48) from [<c00407cc>] (put_files_struct+0x94/0xec) [<c0040738>] (put_files_struct+0x0/0xec) from [<c00408d0>] (exit_files+0x58/0x5c) [<c0040878>] (exit_files+0x0/0x5c) from [<c0040adc>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7860c40 [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a08860 r4:c7a37ca0 r3:c7a37ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c04286c0 00000008 00000000 7cc0: 00000000 00000000 c789f840 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0 7ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00000008 r5:c7a617a0 r4:c7a37d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a616f0 r6:c789f840 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400c3000 r5:c789f840 r4:00000008 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400c3000 r4:c789f840 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:400c3000 r5:000233d8 r4:00000008 BUG: scheduling while atomic: udevd/216/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0) r4:c7860c40 r3:00000000 [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c) [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48) r4:c7818c80 r3:00000001 [<c024a554>] (_cond_resched+0x0/0x48) from [<c00407cc>] (put_files_struct+0x94/0xec) [<c0040738>] (put_files_struct+0x0/0xec) from [<c00408d0>] (exit_files+0x58/0x5c) [<c0040878>] (exit_files+0x0/0x5c) from [<c0040adc>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7860c40 [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a08860 r4:c7a37ca0 r3:c7a37ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c04286c0 00000008 00000000 7cc0: 00000000 00000000 c789f840 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0 7ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00000008 r5:c7a617a0 r4:c7a37d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a616f0 r6:c789f840 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400c3000 r5:c789f840 r4:00000008 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400c3000 r4:c789f840 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:400c3000 r5:000233d8 r4:00000008 BUG: scheduling while atomic: udevd/216/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0) r4:c7860c40 r3:00000000 [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c) [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48) r4:c7818c80 r3:00000001 [<c024a554>] (_cond_resched+0x0/0x48) from [<c00407cc>] (put_files_struct+0x94/0xec) [<c0040738>] (put_files_struct+0x0/0xec) from [<c00408d0>] (exit_files+0x58/0x5c) [<c0040878>] (exit_files+0x0/0x5c) from [<c0040adc>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7860c40 [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a08860 r4:c7a37ca0 r3:c7a37ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c04286c0 00000008 00000000 7cc0: 00000000 00000000 c789f840 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0 7ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00000008 r5:c7a617a0 r4:c7a37d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a616f0 r6:c789f840 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a37f70 r6:400c3000 r5:c789f840 r4:00000008 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400c3000 r4:c789f840 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:400c3000 r5:000233d8 r4:00000008 init: udev main process (216) killed by SEGV signal init: udev main process ended, respawning hbm fpgaload loaded successfully DSPLOAD: loaded successful kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7b08000 [00000000] *pgd=87b00831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#4] PREEMPT Modules linked in: dspload(+) fpgaload mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #2) PC is at __bug+0x24/0x30 LR is at vprintk+0x398/0x404 pc : [<c002cbf0>] lr : [<c003e2fc>] psr: 60000013 sp : c7a37ce8 ip : c7a37c30 fp : c7a37cf4 r10: c789fc40 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00001000 r5 : c0426060 r4 : c7a37d78 r3 : 00000000 r2 : 00000002 r1 : 00000003 r0 : 00000027 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87b08008 DAC: 00000015 Process udevadm (pid: 246, stack limit = 0xc7a36268) Stack: (0xc7a37ce8 to 0xc7a38000) 7ce0: c7a37d14 c7a37cf8 c0076aac c002cbd8 c7a37d78 c7ad3f68 7d00: 00001000 c02530a0 c7a37d74 c7a37d18 c0076c2c c0076a74 00001000 00000000 7d20: c7a37d44 c7a37d40 c7a36000 00000000 00001000 00000000 00000000 00000000 7d40: c0035114 c0426060 00000001 00000000 00000000 00000000 c789fc40 c7a37d78 7d60: 00000000 00000000 c7a37dac c7a37d78 c0076d64 c0076b50 c7a37f10 00000001 7d80: 00000000 00001000 00000000 00000000 00000000 c789fc40 c7ad3eb8 00001000 7da0: c7a37e3c c7a37db0 c0078f60 c0076d14 00000000 00000000 c7a37ed0 00001000 7dc0: 00000000 c0035114 c7a37dec c7a37dd8 c0035114 c002b620 c7ad3f68 c7a37ed0 7de0: c7a37f10 c7a37e98 c008ed00 bec4fb78 00000004 00000001 c7a37e18 00000001 7e00: 00000000 00002000 c74041a0 00001000 c7a37d28 00000000 c789fc40 c7ad3ed4 7e20: 00000000 c7a37e98 c7a37f10 00000001 c7a37e8c c7a37e40 c0079024 c0078b04 7e40: 00000066 c7a37f64 91827364 c7a37e4c c7a37e4c c7a37e54 c7a37e54 00000000 7e60: bec4f88c c789fc40 c7a37e98 c7a37f70 c7a37f10 fffffdee c7a36000 00000000 7e80: c7a37f3c c7a37e90 c00a191c c0078fb8 00000000 00000000 c7867100 00000001 7ea0: 00000000 00000001 ffffffff c789fc40 00000000 00000000 00000000 00000000 7ec0: c7860c40 c7a37ed0 00000000 00000000 00000000 00000000 c0024c60 00000002 7ee0: 00001000 ffffffff 00001000 00001f9a c7a37f1c c7a37f00 c002cbb0 c002b5f0 7f00: c002b614 00000001 c0306a38 c7a36000 4003c000 00001000 c7a37e18 00001000 7f20: c789fc40 4003c000 c7a37f70 00001000 c7a37f6c c7a37f40 c00a2070 c00a1880 7f40: c7a37f80 0000004e c0029c24 c789fc40 4003c000 00000000 00000000 00001000 7f60: c7a37fa4 c7a37f70 c00a22f4 c00a1fc0 00000000 00000000 bec4f8a0 00000000 7f80: 00000006 00001000 402245c8 4003c000 00000004 c0029c24 00000000 c7a37fa8 7fa0: c0029aa0 c00a22bc 00001000 402245c8 00000001 4003c000 00001000 00000000 7fc0: 00001000 402245c8 4003c000 00000004 00001000 00000001 000c42e8 bec4f864 7fe0: 00000000 bec4f2a8 4015fe0c 401b321c 60000010 00000001 006c6961 646e616e Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00001000 r5:c7ad3f68 r4:c7a37d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00001000 r7:c7ad3eb8 r6:c789fc40 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00001000 r7:c7a37f70 r6:4003c000 r5:c789fc40 r4:00001000 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00001000 r7:00000000 r6:00000000 r5:4003c000 r4:c789fc40 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4003c000 r5:402245c8 r4:00001000 Code: e59f0010 e1a01003 eb08753c e3a03000 (e5833000) ---[ end trace 2c683ece01bdd6a4 ]--- note: udevadm[246] exited with preempt_count 1 BUG: scheduling while atomic: udevadm/246/0x40000002 Modules linked in: dspload(+) fpgaload mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113 [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0) r4:c7860c40 r3:00000000 [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c) [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48) r4:c7a37abc r3:00000001 [<c024a554>] (_cond_resched+0x0/0x48) from [<c00903ac>] (unmap_page_range+0x1c4/0x1dc) [<c00901e8>] (unmap_page_range+0x0/0x1dc) from [<c00908b4>] (unmap_vmas+0x80/0xb0) [<c0090834>] (unmap_vmas+0x0/0xb0) from [<c0094b04>] (exit_mmap+0x12c/0x290) [<c00949d8>] (exit_mmap+0x0/0x290) from [<c003b224>] (mmput+0x3c/0xec) r7:c7a7d3d4 r6:00000000 r5:00000000 r4:c7a7d3a0 [<c003b1e8>] (mmput+0x0/0xec) from [<c003f2fc>] (exit_mm+0x150/0x160) r5:c7860c40 r4:c7a7d3a0 [<c003f1ac>] (exit_mm+0x0/0x160) from [<c0040acc>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7860c40 [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a7d3a0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a7d3a0 r4:c7a37ca0 r3:c7a37ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000003 00000002 00000000 c7a37d78 c0426060 00001000 00000000 7cc0: 00000000 00000000 c789fc40 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0 7ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00001000 r5:c7a37cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00001000 r5:c7ad3f68 r4:c7a37d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00001000 r7:c7ad3eb8 r6:c789fc40 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00001000 r7:c7a37f70 r6:4003c000 r5:c789fc40 r4:00001000 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00001000 r7:00000000 r6:00000000 r5:4003c000 r4:c789fc40 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4003c000 r5:402245c8 r4:00001000 hbm netx_reset loaded successfully netx mmap loaded successfully PAD_TX0= 0x20f8 WEIM registers set up: CSCR4U_VAL = 0x580 CSCR4L_VAL = 0x3d51 CSCR4A_VAL = 0x20 BCM_VAL = 1000 BUG: scheduling while atomic: udevadm/246/0x40000002 Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000013 [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0) r4:c7860c40 r3:00000000 [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c) [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48) r4:c7a37abc r3:00000001 [<c024a554>] (_cond_resched+0x0/0x48) from [<c00903ac>] (unmap_page_range+0x1c4/0x1dc) [<c00901e8>] (unmap_page_range+0x0/0x1dc) from [<c00908b4>] (unmap_vmas+0x80/0xb0) [<c0090834>] (unmap_vmas+0x0/0xb0) from [<c0094b04>] (exit_mmap+0x12c/0x290) [<c00949d8>] (exit_mmap+0x0/0x290) from [<c003b224>] (mmput+0x3c/0xec) r7:c7a7d3d4 r6:00000000 r5:00000000 r4:c7a7d3a0 [<c003b1e8>] (mmput+0x0/0xec) from [<c003f2fc>] (exit_mm+0x150/0x160) r5:c7860c40 r4:c7a7d3a0 [<c003f1ac>] (exit_mm+0x0/0x160) from [<c0040acc>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7860c40 [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a7d3a0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a7d3a0 r4:c7a37ca0 r3:c7a37ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000003 00000002 00000000 c7a37d78 c0426060 00001000 00000000 7cc0: 00000000 00000000 c789fc40 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0 7ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00001000 r5:c7a37cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00001000 r5:c7ad3f68 r4:c7a37d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00001000 r7:c7ad3eb8 r6:c789fc40 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00001000 r7:c7a37f70 r6:4003c000 r5:c789fc40 r4:00001000 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00001000 r7:00000000 r6:00000000 r5:4003c000 r4:c789fc40 [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4003c000 r5:402245c8 r4:00001000 BUG: scheduling while atomic: udevadm/246/0x40000002 Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c) r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000013 [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0) r4:c7860c40 r3:00000000 [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c) [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48) r4:c7a37abc r3:00000001 [<c024a554>] (_cond_resched+0x0/0x48) from [<c00903ac>] (unmap_page_range+0x1c4/0x1dc) [<c00901e8>] (unmap_page_range+0x0/0x1dc) from [<c00908b4>] (unmap_vmas+0x80/0xb0) [<c0090834>] (unmap_vmas+0x0/0xb0) from [<c0094b04>] (exit_mmap+0x12c/0x290) [<c00949d8>] (exit_mmap+0x0/0x290) from [<c003b224>] (mmput+0x3c/0xec) r7:c7a7d3d4 r6:00000000 r5:00000000 r4:c7a7d3a0 [<c003b1e8>] (mmput+0x0/0xec) from [<c003f2fc>] (exit_mm+0x150/0x160) r5:c7860c40 r4:c7a7d3a0 [<c003f1ac>] (exit_mm+0x0/0x160) from [<c0040acc>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7860c40 [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a37ca0 r6:c7a7d3a0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a7d3a0 r4:c7a37ca0 r3:c7a37ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a37ca0 to 0xc7a37ce8) 7ca0: 00000027 00000003 00000002 00000000 c7a37d78 c0426060 00001000 00000000 7cc0: 00000000 00000000 c789fc40 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0 7ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00001000 r5:c7a37cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4) r7:c02530a0 r6:00001000 r5:c7ad3f68 r4:c7a37d78 [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88) [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4) r8:00001000 r7:c7ad3eb8 r6:c789fc40 r5:00000000 r4:00000000 [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8) [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4) [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148) r8:00001000 r7:c7a37f70 r6:4003c000 r5:c789fc40 r4:00001000 [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70) r8:00001000 r7:00000000 Log with CONFIG_PREEMPT_LL=y: Starting kernel ... Uncompressing Linux... done, booting the kernel. drivers/rtc/hctosys.c: unable to open rtc device (rtc0) kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7a38000 [00000000] *pgd=87a37831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#1] PREEMPT Modules linked in: nand_ecc CPU: 0 Not tainted (3.0.1-pmx-rt8 #1) PC is at __bug+0x24/0x30 LR is at vprintk+0x3b4/0x404 pc : [<c002cbf0>] lr : [<c003e2cc>] psr: 20000013 sp : c7a2fce8 ip : c7a2fc30 fp : c7a2fcf4 r10: c783ba20 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000008 r5 : c03305e0 r4 : c7a2fd78 r3 : 00000000 r2 : 00000002 r1 : 00000000 r0 : 00000027 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87a38008 DAC: 00000015 Process udevd (pid: 210, stack limit = 0xc7a2e268) Stack: (0xc7a2fce8 to 0xc7a30000) fce0: c7a2fd14 c7a2fcf8 c0076658 c002cbd8 c7a2fd78 c7a697a0 fd00: 00000008 c02507a0 c7a2fd74 c7a2fd18 c00767d8 c0076620 00000008 00000000 fd20: c7a2fd44 c7a2fd40 c7a2e000 00000000 00001000 00000000 00000000 00000000 fd40: c0035114 c03305e0 00000001 00000000 00000000 00000000 c783ba20 c7a2fd78 fd60: 00000000 00000000 c7a2fdac c7a2fd78 c0076910 c00766fc c7a2ff10 00000001 fd80: 00000000 00000008 00000000 00000000 00000000 c783ba20 c7a696f0 00000008 fda0: c7a2fe3c c7a2fdb0 c0078b0c c00768c0 00000000 00000000 c7a2fed0 00000008 fdc0: 00000000 c0035114 c7a2fdec c7a2fdd8 c0035114 c002b620 c7a697a0 c7a2fed0 fde0: c7a2ff10 c7a2fe98 c008e090 c0035064 00000000 00000001 c7a2fe24 c7a3c650 fe00: 400d5000 00000000 c7a39000 00000008 c7a01960 00000000 c783ba20 c7a6970c fe20: 00000000 c7a2fe98 c7a2ff10 00000001 c7a2fe8c c7a2fe40 c0078bd0 c00786b0 fe40: c002b614 00000001 91827364 c7a2fe4c c7a2fe4c c7a2fe54 c7a2fe54 00000000 fe60: c7a2feb4 c783ba20 c7a2fe98 c7a2ff70 c7a2ff10 fffffdee c7a2e000 00000000 fe80: c7a2ff3c c7a2fe90 c00a04d0 c0078b64 00000000 00000000 c014ca68 c0035064 fea0: 00000000 00000001 ffffffff c783ba20 00000000 00000000 00000000 00000000 fec0: c78663c0 c005bf94 00000000 00000000 00000000 00000000 00000007 400d5000 fee0: 00000008 c7a2ffb0 00000008 beca8378 c7a2ffac c7a2ff00 c002420c c002f114 ff00: c00242b0 c002f114 00000000 c0035114 400d5000 00000008 c0035114 00000008 ff20: c783ba20 400d5000 c7a2ff70 00000008 c7a2ff6c c7a2ff40 c00a0c24 c00a0434 ff40: c7a2e000 400d5000 00001000 c783ba20 400d5000 00000000 00000000 00000008 ff60: c7a2ffa4 c7a2ff70 c00a0ea8 c00a0b74 00000000 00000000 00000022 00000000 ff80: ffffffff 00000008 000233d8 400d5000 00000004 c0029c24 00000000 c7a2ffa8 ffa0: c0029aa0 c00a0e70 00000008 000233d8 0000000a 400d5000 00000008 00000000 ffc0: 00000008 000233d8 400d5000 00000004 00000008 00022344 000c42e8 00000001 ffe0: 00000000 beca76e8 40166e0c 401ba21c 60000010 0000000a c4cc6558 40880810 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00000008 r5:c7a697a0 r4:c7a2fd78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a696f0 r6:c783ba20 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2ff70 r6:400d5000 r5:c783ba20 r4:00000008 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400d5000 r4:c783ba20 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:400d5000 r5:000233d8 r4:00000008 Code: e59f0010 e1a01003 eb086b03 e3a03000 (e5833000) ---[ end trace 48a34d846aec482e ]--- note: udevd[210] exited with preempt_count 1 BUG: scheduling while atomic: udevd/210/0x40000002 Modules linked in: nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c) r6:c7a2e000 r5:c0302a18 r4:00000000 r3:20000113 [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0) r4:c78663c0 r3:00000000 [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48) r4:c7a2fabc r3:00000001 [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c008f73c>] (unmap_page_range+0x1c4/0x1dc) [<c008f578>] (unmap_page_range+0x0/0x1dc) from [<c008fc44>] (unmap_vmas+0x80/0xb0) [<c008fbc4>] (unmap_vmas+0x0/0xb0) from [<c0093e94>] (exit_mmap+0x12c/0x290) [<c0093d68>] (exit_mmap+0x0/0x290) from [<c003b1d8>] (mmput+0x3c/0xec) r7:c7a01994 r6:00000000 r5:00000000 r4:c7a01960 [<c003b19c>] (mmput+0x0/0xec) from [<c003f290>] (exit_mm+0x150/0x160) r5:c78663c0 r4:c7a01960 [<c003f140>] (exit_mm+0x0/0x160) from [<c0040a60>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c78663c0 [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2fca0 r6:c7a01960 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03010c4 r6:c78663c0 r5:c7a01960 r4:c7a2fca0 r3:c7a2fca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2fca0 to 0xc7a2fce8) fca0: 00000027 00000000 00000002 00000000 c7a2fd78 c03305e0 00000008 00000000 fcc0: 00000000 00000000 c783ba20 c7a2fcf4 c7a2fc30 c7a2fce8 c003e2cc c002cbf0 fce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a2fcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00000008 r5:c7a697a0 r4:c7a2fd78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a696f0 r6:c783ba20 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2ff70 r6:400d5000 r5:c783ba20 r4:00000008 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400d5000 r4:c783ba20 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:400d5000 r5:000233d8 r4:00000008 init: mount main process (212) terminated with status 1 BUG: scheduling while atomic: udevd/210/0x40000002 Modules linked in: nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c) r6:c7a2e000 r5:c0302a18 r4:00000000 r3:20000113 [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0) r4:c78663c0 r3:00000000 [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48) r4:c787b2e0 r3:00000001 [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c0040760>] (put_files_struct+0x94/0xec) [<c00406cc>] (put_files_struct+0x0/0xec) from [<c0040864>] (exit_files+0x58/0x5c) [<c004080c>] (exit_files+0x0/0x5c) from [<c0040a70>] (do_exit+0x208/0x2d8) r5:0000000b r4:c78663c0 [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2fca0 r6:c7a01960 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03010c4 r6:c78663c0 r5:c7a01960 r4:c7a2fca0 r3:c7a2fca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2fca0 to 0xc7a2fce8) fca0: 00000027 00000000 00000002 00000000 c7a2fd78 c03305e0 00000008 00000000 fcc0: 00000000 00000000 c783ba20 c7a2fcf4 c7a2fc30 c7a2fce8 c003e2cc c002cbf0 fce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a2fcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00000008 r5:c7a697a0 r4:c7a2fd78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a696f0 r6:c783ba20 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2ff70 r6:400d5000 r5:c783ba20 r4:00000008 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:400d5000 r4:c783ba20 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:400d5000 r5:000233d8 r4:00000008 tim login: init: udev main process (210) killed by SEGV signal init: udev main process ended, respawning NAND device: Manufacturer ID: 0xec, Chip ID: 0xd3 (Samsung NAND 1GiB 3,3V 8-bit) Scanning device for bad blocks kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7aa8000 [00000000] *pgd=87a7a831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#2] PREEMPT Modules linked in: mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #1) PC is at __bug+0x24/0x30 LR is at vprintk+0x3b4/0x404 pc : [<c002cbf0>] lr : [<c003e2cc>] psr: 20000013 sp : c7abbce8 ip : c7abbc30 fp : c7abbcf4 r10: c783b620 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000041 r5 : c03306c0 r4 : c7abbd78 r3 : 00000000 r2 : 00000002 r1 : 00000001 r0 : 00000027 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87aa8008 DAC: 00000015 Process syslogd (pid: 230, stack limit = 0xc7aba268) Stack: (0xc7abbce8 to 0xc7abc000) bce0: c7abbd14 c7abbcf8 c0076658 c002cbd8 c7abbd78 c7a69308 bd00: 00000041 c02507a0 c7abbd74 c7abbd18 c00767d8 c0076620 00000041 00000000 bd20: c7abbd44 c7abbd40 c7aba000 00000000 00001000 00000000 00000000 00000000 bd40: c7abbd74 c03306c0 c0041c68 00000000 00000000 00000000 c783b620 c7abbd78 bd60: 00000000 00000000 c7abbdac c7abbd78 c0076910 c00766fc c7abbf10 00000001 bd80: 00000000 00000041 00000000 00000000 00000000 c783b620 c7a69258 00000041 bda0: c7abbe3c c7abbdb0 c0078b0c c00768c0 00000000 00000000 c7abbed0 00000041 bdc0: 00000000 c0057430 ffffffff c7aba000 c7abbe2c c7abbde0 c7a69308 c7abbed0 bde0: c7abbf10 c7abbe98 00000000 40107000 00000000 00000001 40107000 c0425140 be00: c7abbe2c c7a1ee38 000000b7 00000041 c7aa9000 00000000 c783b620 c7a69274 be20: 00000000 c7abbe98 c7abbf10 00000001 c7abbe8c c7abbe40 c0078bd0 c00786b0 be40: c002cbb0 c002b5f0 91827364 c7abbe4c c7abbe4c c7abbe54 c7abbe54 00000000 be60: c002b650 c783b620 c7abbe98 c7abbf70 c7abbf10 fffffdee c7aba000 00000000 be80: c7abbf3c c7abbe90 c00a04d0 c0078b64 00000000 00000000 c7abbebc c7abbea8 bea0: 00000000 00000001 ffffffff c783b620 00000000 00000000 00000000 00000000 bec0: c7866980 c7abbed0 00000000 00000000 00000000 00000000 00000000 00000007 bee0: 00000041 40107200 00000041 00000041 00000000 0006c6f0 c7abbfac c7abbf08 bf00: c00242b0 c002f114 00000003 173eed83 0006c458 00000041 00000088 00000041 bf20: c783b620 0006c458 c7abbf70 00000041 c7abbf6c c7abbf40 c00a0c24 c00a0434 bf40: 00000088 00000000 00000010 c783b620 0006c458 00000000 00000000 00000041 bf60: c7abbfa4 c7abbf70 c00a0ea8 c00a0b74 00000000 00000000 00000003 00000000 bf80: 00001000 0006b89c 00000041 0006c458 00000004 c0029c24 00000000 c7abbfa8 bfa0: c0029aa0 c00a0e70 0006b89c 00000041 00000004 0006c458 00000041 00032000 bfc0: 0006b89c 00000041 0006c458 00000004 00000041 00000000 0006c6f0 beb5abdc bfe0: 00000004 beb5ab30 0000faa4 4010721c 60000010 00000004 87ffe821 87ffec21 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00000041 r5:c7a69308 r4:c7abbd78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a69258 r6:c783b620 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7abbf70 r6:0006c458 r5:c783b620 r4:00000041 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c783b620 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c Code: e59f0010 e1a01003 eb086b03 e3a03000 (e5833000) ---[ end trace 48a34d846aec482f ]--- note: syslogd[230] exited with preempt_count 1 BUG: scheduling while atomic: syslogd/230/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c) r6:c7aba000 r5:c0302a18 r4:00000000 r3:20000113 [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0) r4:c7866980 r3:00000000 [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48) r4:c7abbabc r3:00000001 [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c008f73c>] (unmap_page_range+0x1c4/0x1dc) [<c008f578>] (unmap_page_range+0x0/0x1dc) from [<c008fc44>] (unmap_vmas+0x80/0xb0) [<c008fbc4>] (unmap_vmas+0x0/0xb0) from [<c0093e94>] (exit_mmap+0x12c/0x290) [<c0093d68>] (exit_mmap+0x0/0x290) from [<c003b1d8>] (mmput+0x3c/0xec) r7:c7a99e34 r6:00000000 r5:00000000 r4:c7a99e00 [<c003b19c>] (mmput+0x0/0xec) from [<c003f290>] (exit_mm+0x150/0x160) r5:c7866980 r4:c7a99e00 [<c003f140>] (exit_mm+0x0/0x160) from [<c0040a60>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7866980 [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7abbca0 r6:c7a99e00 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03010c4 r6:c7866980 r5:c7a99e00 r4:c7abbca0 r3:c7abbca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7abbca0 to 0xc7abbce8) bca0: 00000027 00000001 00000002 00000000 c7abbd78 c03306c0 00000041 00000000 bcc0: 00000000 00000000 c783b620 c7abbcf4 c7abbc30 c7abbce8 c003e2cc c002cbf0 bce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000041 r5:c7abbcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00000041 r5:c7a69308 r4:c7abbd78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a69258 r6:c783b620 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7abbf70 r6:0006c458 r5:c783b620 r4:00000041 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c783b620 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c BUG: scheduling while atomic: syslogd/230/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c) r6:c7aba000 r5:c0302a18 r4:00000000 r3:20000013 [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0) r4:c7866980 r3:00000000 [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48) r4:c787b2e0 r3:00000001 [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c0040760>] (put_files_struct+0x94/0xec) [<c00406cc>] (put_files_struct+0x0/0xec) from [<c0040864>] (exit_files+0x58/0x5c) [<c004080c>] (exit_files+0x0/0x5c) from [<c0040a70>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7866980 [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7abbca0 r6:c7a99e00 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03010c4 r6:c7866980 r5:c7a99e00 r4:c7abbca0 r3:c7abbca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7abbca0 to 0xc7abbce8) bca0: 00000027 00000001 00000002 00000000 c7abbd78 c03306c0 00000041 00000000 bcc0: 00000000 00000000 c783b620 c7abbcf4 c7abbc30 c7abbce8 c003e2cc c002cbf0 bce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000041 r5:c7abbcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00000041 r5:c7a69308 r4:c7abbd78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a69258 r6:c783b620 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7abbf70 r6:0006c458 r5:c783b620 r4:00000041 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c783b620 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c BUG: scheduling while atomic: syslogd/230/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c) r6:c7aba000 r5:c0302a18 r4:00000000 r3:20000113 [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0) r4:c7866980 r3:00000000 [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48) r4:c787b2e0 r3:00000001 [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c0040760>] (put_files_struct+0x94/0xec) [<c00406cc>] (put_files_struct+0x0/0xec) from [<c0040864>] (exit_files+0x58/0x5c) [<c004080c>] (exit_files+0x0/0x5c) from [<c0040a70>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7866980 [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7abbca0 r6:c7a99e00 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03010c4 r6:c7866980 r5:c7a99e00 r4:c7abbca0 r3:c7abbca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7abbca0 to 0xc7abbce8) bca0: 00000027 00000001 00000002 00000000 c7abbd78 c03306c0 00000041 00000000 bcc0: 00000000 00000000 c783b620 c7abbcf4 c7abbc30 c7abbce8 c003e2cc c002cbf0 bce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000041 r5:c7abbcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00000041 r5:c7a69308 r4:c7abbd78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a69258 r6:c783b620 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7abbf70 r6:0006c458 r5:c783b620 r4:00000041 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c783b620 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c sched: RT throttling activated BUG: scheduling while atomic: syslogd/230/0x40000002 Modules linked in: mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c) r6:c7aba000 r5:c0302a18 r4:00000000 r3:20000113 [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0) r4:c7866980 r3:00000000 [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48) r4:c787b2e0 r3:00000001 [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c0040760>] (put_files_struct+0x94/0xec) [<c00406cc>] (put_files_struct+0x0/0xec) from [<c0040864>] (exit_files+0x58/0x5c) [<c004080c>] (exit_files+0x0/0x5c) from [<c0040a70>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7866980 [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7abbca0 r6:c7a99e00 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03010c4 r6:c7866980 r5:c7a99e00 r4:c7abbca0 r3:c7abbca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7abbca0 to 0xc7abbce8) bca0: 00000027 00000001 00000002 00000000 c7abbd78 c03306c0 00000041 00000000 bcc0: 00000000 00000000 c783b620 c7abbcf4 c7abbc30 c7abbce8 c003e2cc c002cbf0 bce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000041 r5:c7abbcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00000041 r5:c7a69308 r4:c7abbd78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a69258 r6:c783b620 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7abbf70 r6:0006c458 r5:c783b620 r4:00000041 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c783b620 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c Segmentation faultinit: syslogd main process (227) terminated with status 139 init: syslogd main process ended, respawning kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7a5c000 [00000000] *pgd=87a66831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#3] PREEMPT Modules linked in: fpgaload(+) mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #1) PC is at __bug+0x24/0x30 LR is at vprintk+0x3b4/0x404 pc : [<c002cbf0>] lr : [<c003e2cc>] psr: 20000013 sp : c7a63ce8 ip : c7a63c30 fp : c7a63cf4 r10: c7ae5540 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000006 r5 : c0331ee0 r4 : c7a63d78 r3 : 00000000 r2 : 00000002 r1 : 00000002 r0 : 00000027 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87a5c008 DAC: 00000015 Process ifup (pid: 215, stack limit = 0xc7a62268) Stack: (0xc7a63ce8 to 0xc7a64000) 3ce0: c7a63d14 c7a63cf8 c0076658 c002cbd8 c7a63d78 c7a79de0 3d00: 00000006 c02507a0 c7a63d74 c7a63d18 c00767d8 c0076620 00000006 00000000 3d20: c7a63d44 c7a63d40 c7a62000 00000000 00001000 00000000 00000000 00000000 3d40: c7a63d74 c0331ee0 c0041c68 00000000 00000000 00000000 c7ae5540 c7a63d78 3d60: 00000000 00000000 c7a63dac c7a63d78 c0076910 c00766fc c7a63f10 00000001 3d80: 00000000 00000006 00000000 00000000 00000000 c7ae5540 c7a79d30 00000006 3da0: c7a63e3c c7a63db0 c0078b0c c00768c0 00000000 00000000 c7a63ed0 00000006 3dc0: 00000000 c0035114 c7a63dec c7a63dd8 c0035114 c002b620 c7a79de0 c7a63ed0 3de0: c7a63f10 c7a63e98 c008e090 c0035064 00000000 00000001 c7a63e24 c7ab24f0 3e00: 400ba000 00000000 c7a5d000 00000006 c7a014e0 00000000 c7ae5540 c7a79d4c 3e20: 00000000 c7a63e98 c7a63f10 00000001 c7a63e8c c7a63e40 c0078bd0 c00786b0 3e40: c002b614 00000001 91827364 c7a63e4c c7a63e4c c7a63e54 c7a63e54 00000000 3e60: c7a63eb4 c7ae5540 c7a63e98 c7a63f70 c7a63f10 fffffdee c7a62000 00000000 3e80: c7a63f3c c7a63e90 c00a04d0 c0078b64 00000000 00000000 c014ca68 c0035064 3ea0: 00000000 00000001 ffffffff c7ae5540 00000000 00000000 00000000 00000000 3ec0: c7838920 c005bf94 00000000 00000000 00000000 00000000 00000007 400ba000 3ee0: 00000006 c7a63fb0 00000006 0006c0d8 c7a63fac c7a63f00 c002420c c002f114 3f00: c00242b0 c002f114 00000000 c0035114 400ba000 00000006 c0035114 00000006 3f20: c7ae5540 400ba000 c7a63f70 00000006 c7a63f6c c7a63f40 c00a0c24 c00a0434 3f40: c7a62000 400ba000 00001000 c7ae5540 400ba000 00000000 00000000 00000006 3f60: c7a63fa4 c7a63f70 c00a0ea8 c00a0b74 00000000 00000000 00000022 00000000 3f80: ffffffff 00000006 0006c4c8 400ba000 00000004 c0029c24 00000000 c7a63fa8 3fa0: c0029aa0 c00a0e70 00000006 0006c4c8 00000003 400ba000 00000006 00000000 3fc0: 00000006 0006c4c8 400ba000 00000004 00000006 00000000 000c42e8 00000001 3fe0: 00000000 be851c10 4014ee0c 401a221c 60000010 00000003 87ffe821 87ffec21 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00000006 r5:c7a79de0 r4:c7a63d78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00000006 r7:c7a79d30 r6:c7ae5540 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00000006 r7:c7a63f70 r6:400ba000 r5:c7ae5540 r4:00000006 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00000006 r7:00000000 r6:00000000 r5:400ba000 r4:c7ae5540 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:400ba000 r5:0006c4c8 r4:00000006 Code: e59f0010 e1a01003 eb086b03 e3a03000 (e5833000) ---[ end trace 48a34d846aec4830 ]--- note: ifup[215] exited with preempt_count 1 BUG: scheduling while atomic: ifup/215/0x40000002 Modules linked in: fpgaload(+) mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c) r6:c7a62000 r5:c0302a18 r4:00000000 r3:20000113 [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0) r4:c7838920 r3:00000000 [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48) r4:c7a63abc r3:00000001 [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c008f73c>] (unmap_page_range+0x1c4/0x1dc) [<c008f578>] (unmap_page_range+0x0/0x1dc) from [<c008fc44>] (unmap_vmas+0x80/0xb0) [<c008fbc4>] (unmap_vmas+0x0/0xb0) from [<c0093e94>] (exit_mmap+0x12c/0x290) [<c0093d68>] (exit_mmap+0x0/0x290) from [<c003b1d8>] (mmput+0x3c/0xec) r7:c7a01514 r6:00000000 r5:00000000 r4:c7a014e0 [<c003b19c>] (mmput+0x0/0xec) from [<c003f290>] (exit_mm+0x150/0x160) r5:c7838920 r4:c7a014e0 [<c003f140>] (exit_mm+0x0/0x160) from [<c0040a60>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7838920 [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a63ca0 r6:c7a014e0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03010c4 r6:c7838920 r5:c7a014e0 r4:c7a63ca0 r3:c7a63ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a63ca0 to 0xc7a63ce8) 3ca0: 00000027 00000002 00000002 00000000 c7a63d78 c0331ee0 00000006 00000000 3cc0: 00000000 00000000 c7ae5540 c7a63cf4 c7a63c30 c7a63ce8 c003e2cc c002cbf0 3ce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000006 r5:c7a63cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00000006 r5:c7a79de0 r4:c7a63d78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00000006 r7:c7a79d30 r6:c7ae5540 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00000006 r7:c7a63f70 r6:400ba000 r5:c7ae5540 r4:00000006 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00000006 r7:00000000 r6:00000000 r5:400ba000 r4:c7ae5540 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:400ba000 r5:0006c4c8 r4:00000006 hbm fpgaload loaded successfully DSPLOAD: loaded successful kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7ad4000 [00000000] *pgd=87ae7831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#4] PREEMPT Modules linked in: dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #1) PC is at __bug+0x24/0x30 LR is at vprintk+0x398/0x404 pc : [<c002cbf0>] lr : [<c003e2b0>] psr: 60000013 sp : c7a9dce8 ip : c7a9dc30 fp : c7a9dcf4 r10: c789a440 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00001000 r5 : c0331f60 r4 : c7a9dd78 r3 : 00000000 r2 : 00000002 r1 : 00000003 r0 : 00000027 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87ad4008 DAC: 00000015 Process udevadm (pid: 233, stack limit = 0xc7a9c268) Stack: (0xc7a9dce8 to 0xc7a9e000) dce0: c7a9dd14 c7a9dcf8 c0076658 c002cbd8 c7a9dd78 c7a69180 dd00: 00001000 c02507a0 c7a9dd74 c7a9dd18 c00767d8 c0076620 00001000 00000000 dd20: c7a9dd44 c7a9dd40 c7a9c000 00000000 00001000 00000000 00000000 00000000 dd40: c0035114 c0331f60 00000001 00000000 00000000 00000000 c789a440 c7a9dd78 dd60: 00000000 00000000 c7a9ddac c7a9dd78 c0076910 c00766fc c7a9df10 00000001 dd80: 00000000 00001000 00000000 00000000 00000000 c789a440 c7a690d0 00001000 dda0: c7a9de3c c7a9ddb0 c0078b0c c00768c0 00000000 00000000 c7a9ded0 00001000 ddc0: 00000000 c0035114 c7a9ddec c7a9ddd8 c0035114 c002b620 c7a69180 c7a9ded0 dde0: c7a9df10 c7a9de98 956d607c becb3b78 00000004 00000001 c7a9de18 00000001 de00: 00000000 00002000 c74042e0 00001000 c7a9dd28 00000000 c789a440 c7a690ec de20: 00000000 c7a9de98 c7a9df10 00000001 c7a9de8c c7a9de40 c0078bd0 c00786b0 de40: 000000a0 c7a9df64 91827364 c7a9de4c c7a9de4c c7a9de54 c7a9de54 00000000 de60: becb388c c789a440 c7a9de98 c7a9df70 c7a9df10 fffffdee c7a9c000 00000000 de80: c7a9df3c c7a9de90 c00a04d0 c0078b64 00000000 00000000 c7a9deb4 c7a9dea8 dea0: 00000000 00000001 ffffffff c789a440 00000000 00000000 00000000 00000000 dec0: c789ba00 c03059d8 00000000 00000000 00000000 00000000 c7a9df04 c7a9dee8 dee0: 00001000 c0035064 00001000 00001f60 c7aa4000 00000021 00000000 00000021 df00: c03059d8 00000020 00000001 00000001 4007d000 00001000 c7a9de18 00001000 df20: c789a440 4007d000 c7a9df70 00001000 c7a9df6c c7a9df40 c00a0c24 c00a0434 df40: c7a9df80 0000004e c0029c24 c789a440 4007d000 00000000 00000000 00001000 df60: c7a9dfa4 c7a9df70 c00a0ea8 c00a0b74 00000000 00000000 becb38a0 00000000 df80: 00000005 00001000 402415c8 4007d000 00000004 c0029c24 00000000 c7a9dfa8 dfa0: c0029aa0 c00a0e70 00001000 402415c8 00000001 4007d000 00001000 00000000 dfc0: 00001000 402415c8 4007d000 00000004 00001000 0000001c 000c42e8 becb3864 dfe0: 00000000 becb32a8 4017ce0c 401d021c 60000010 00000001 00000000 00000000 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00001000 r5:c7a69180 r4:c7a9dd78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00001000 r7:c7a690d0 r6:c789a440 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00001000 r7:c7a9df70 r6:4007d000 r5:c789a440 r4:00001000 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00001000 r7:00000000 r6:00000000 r5:4007d000 r4:c789a440 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007d000 r5:402415c8 r4:00001000 Code: e59f0010 e1a01003 eb086b03 e3a03000 (e5833000) ---[ end trace 48a34d846aec4831 ]--- note: udevadm[233] exited with preempt_count 1 BUG: scheduling while atomic: udevadm/233/0x40000002 Modules linked in: dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c) r6:c7a9c000 r5:c0302a18 r4:00000000 r3:20000113 [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0) r4:c789ba00 r3:00000000 [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48) r4:c7a9dabc r3:00000001 [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c008f73c>] (unmap_page_range+0x1c4/0x1dc) [<c008f578>] (unmap_page_range+0x0/0x1dc) from [<c008fc44>] (unmap_vmas+0x80/0xb0) [<c008fbc4>] (unmap_vmas+0x0/0xb0) from [<c0093e94>] (exit_mmap+0x12c/0x290) [<c0093d68>] (exit_mmap+0x0/0x290) from [<c003b1d8>] (mmput+0x3c/0xec) r7:c7a01c94 r6:00000000 r5:00000000 r4:c7a01c60 [<c003b19c>] (mmput+0x0/0xec) from [<c003f290>] (exit_mm+0x150/0x160) r5:c789ba00 r4:c7a01c60 [<c003f140>] (exit_mm+0x0/0x160) from [<c0040a60>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c789ba00 [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a9dca0 r6:c7a01c60 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03010c4 r6:c789ba00 r5:c7a01c60 r4:c7a9dca0 r3:c7a9dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a9dca0 to 0xc7a9dce8) dca0: 00000027 00000003 00000002 00000000 c7a9dd78 c0331f60 00001000 00000000 dcc0: 00000000 00000000 c789a440 c7a9dcf4 c7a9dc30 c7a9dce8 c003e2b0 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00001000 r5:c7a9dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00001000 r5:c7a69180 r4:c7a9dd78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00001000 r7:c7a690d0 r6:c789a440 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00001000 r7:c7a9df70 r6:4007d000 r5:c789a440 r4:00001000 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00001000 r7:00000000 r6:00000000 r5:4007d000 r4:c789a440 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007d000 r5:402415c8 r4:00001000 BUG: scheduling while atomic: udevadm/233/0x40000002 Modules linked in: netx_reset(+) dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c) r6:c7a9c000 r5:c0302a18 r4:00000000 r3:20000113 [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0) r4:c789ba00 r3:00000000 [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48) r4:c7a9dabc r3:00000001 [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c008f73c>] (unmap_page_range+0x1c4/0x1dc) [<c008f578>] (unmap_page_range+0x0/0x1dc) from [<c008fc44>] (unmap_vmas+0x80/0xb0) [<c008fbc4>] (unmap_vmas+0x0/0xb0) from [<c0093e94>] (exit_mmap+0x12c/0x290) [<c0093d68>] (exit_mmap+0x0/0x290) from [<c003b1d8>] (mmput+0x3c/0xec) r7:c7a01c94 r6:00000000 r5:00000000 r4:c7a01c60 [<c003b19c>] (mmput+0x0/0xec) from [<c003f290>] (exit_mm+0x150/0x160) r5:c789ba00 r4:c7a01c60 [<c003f140>] (exit_mm+0x0/0x160) from [<c0040a60>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c789ba00 [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a9dca0 r6:c7a01c60 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03010c4 r6:c789ba00 r5:c7a01c60 r4:c7a9dca0 r3:c7a9dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a9dca0 to 0xc7a9dce8) dca0: 00000027 00000003 00000002 00000000 c7a9dd78 c0331f60 00001000 00000000 dcc0: 00000000 00000000 c789a440 c7a9dcf4 c7a9dc30 c7a9dce8 c003e2b0 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00001000 r5:c7a9dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00001000 r5:c7a69180 r4:c7a9dd78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00001000 r7:c7a690d0 r6:c789a440 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00001000 r7:c7a9df70 r6:4007d000 r5:c789a440 r4:00001000 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00001000 r7:00000000 r6:00000000 r5:4007d000 r4:c789a440 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007d000 r5:402415c8 r4:00001000 BUG: scheduling while atomic: udevadm/233/0x40000002 Modules linked in: netx_reset(+) dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c) r6:c7a9c000 r5:c0302a18 r4:00000000 r3:20000113 [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0) r4:c789ba00 r3:00000000 [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48) r4:c7a9dabc r3:00000001 [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c008f73c>] (unmap_page_range+0x1c4/0x1dc) [<c008f578>] (unmap_page_range+0x0/0x1dc) from [<c008fc44>] (unmap_vmas+0x80/0xb0) [<c008fbc4>] (unmap_vmas+0x0/0xb0) from [<c0093e94>] (exit_mmap+0x12c/0x290) [<c0093d68>] (exit_mmap+0x0/0x290) from [<c003b1d8>] (mmput+0x3c/0xec) r7:c7a01c94 r6:00000000 r5:00000000 r4:c7a01c60 [<c003b19c>] (mmput+0x0/0xec) from [<c003f290>] (exit_mm+0x150/0x160) r5:c789ba00 r4:c7a01c60 [<c003f140>] (exit_mm+0x0/0x160) from [<c0040a60>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c789ba00 [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a9dca0 r6:c7a01c60 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03010c4 r6:c789ba00 r5:c7a01c60 r4:c7a9dca0 r3:c7a9dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a9dca0 to 0xc7a9dce8) dca0: 00000027 00000003 00000002 00000000 c7a9dd78 c0331f60 00001000 00000000 dcc0: 00000000 00000000 c789a440 c7a9dcf4 c7a9dc30 c7a9dce8 c003e2b0 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00001000 r5:c7a9dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00001000 r5:c7a69180 r4:c7a9dd78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00001000 r7:c7a690d0 r6:c789a440 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00001000 r7:c7a9df70 r6:4007d000 r5:c789a440 r4:00001000 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00001000 r7:00000000 r6:00000000 r5:4007d000 r4:c789a440 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007d000 r5:402415c8 r4:00001000 BUG: scheduling while atomic: udevadm/233/0x40000002 Modules linked in: netx_reset(+) dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c) r6:c7a9c000 r5:c0302a18 r4:00000000 r3:20000113 [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0) r4:c789ba00 r3:00000000 [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48) r4:c7a9dabc r3:00000001 [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c008f73c>] (unmap_page_range+0x1c4/0x1dc) [<c008f578>] (unmap_page_range+0x0/0x1dc) from [<c008fc44>] (unmap_vmas+0x80/0xb0) [<c008fbc4>] (unmap_vmas+0x0/0xb0) from [<c0093e94>] (exit_mmap+0x12c/0x290) [<c0093d68>] (exit_mmap+0x0/0x290) from [<c003b1d8>] (mmput+0x3c/0xec) r7:c7a01c94 r6:00000000 r5:00000000 r4:c7a01c60 [<c003b19c>] (mmput+0x0/0xec) from [<c003f290>] (exit_mm+0x150/0x160) r5:c789ba00 r4:c7a01c60 [<c003f140>] (exit_mm+0x0/0x160) from [<c0040a60>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c789ba00 [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a9dca0 r6:c7a01c60 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03010c4 r6:c789ba00 r5:c7a01c60 r4:c7a9dca0 r3:c7a9dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a9dca0 to 0xc7a9dce8) dca0: 00000027 00000003 00000002 00000000 c7a9dd78 c0331f60 00001000 00000000 dcc0: 00000000 00000000 c789a440 c7a9dcf4 c7a9dc30 c7a9dce8 c003e2b0 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00001000 r5:c7a9dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4) r7:c02507a0 r6:00001000 r5:c7a69180 r4:c7a9dd78 [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88) [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4) r8:00001000 r7:c7a690d0 r6:c789a440 r5:00000000 r4:00000000 [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8) [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4) [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148) r8:00001000 r7:c7a9df70 r6:4007d000 r5:c789a440 r4:00001000 [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70) r8:00001000 r7:00000000 r6:00000000 r5:4007d000 r4:c789a440 [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007d000 r5:402415c8 r4:00001000 BUG: scheduling while atomic: udevadm/233/0x40000002 Modules linked in: netx_reset(+) dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c) r6:c7a9c000 r5:c0302a18 r4:00000000 r3:20000113 [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64) [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0) r4:c789ba00 r3:00000000 [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48) r4:c787b820 r3:00000001 [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c0040760>] (put_files_struct+0x94/0xec) [<c00406cc>] (put_files_struct+0x0/0xec) from [<c0040864>] (exit_files+0x58/0x5c) [<c004080c>] (exit_files+0x0/0x5c) from [<c0040a70>] (do_exit+0x208/0x2d8) r5:0000000b r4:c789ba00 [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a9dca0 r6:c7a01c60 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03010c4 r6:c789 Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-11 11:30 ` Tim Sander @ 2011-08-11 12:02 ` Peter Zijlstra 2011-08-11 12:52 ` Tim Sander 2011-08-11 15:28 ` Tim Sander 2011-08-11 12:41 ` Peter Zijlstra 1 sibling, 2 replies; 33+ messages in thread From: Peter Zijlstra @ 2011-08-11 12:02 UTC (permalink / raw) To: Tim Sander Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users On Thu, 2011-08-11 at 13:30 +0200, Tim Sander wrote: > The error does not occur when configured with > CONFIG_PREEMPT_RT_FULL=y > but with > CONFIG_PREEMPT_RTB=y. > The same error also happens with > CONFIG_PREEMPT_LL=y. (A log is appended after the other log just > search for CONFIG_PREEMPT_LL > for starting point). Does the below (on top of -rt8) cure things for you? Shouldn't make a difference for PREEMPT_LL though, so maybe there's something else busted as well. But from what I can tell PREEMPT_BASE should be fine with such things disabling preemption.. --- Index: linux-2.6/include/linux/uaccess.h =================================================================== --- linux-2.6.orig/include/linux/uaccess.h +++ linux-2.6/include/linux/uaccess.h @@ -22,7 +22,7 @@ static inline void raw_pagefault_enable( preempt_check_resched(); } -#ifndef CONFIG_PREEMPT_RT_FULL +#ifndef CONFIG_PREEMPT_RT_BASE static inline void pagefault_disable(void) { raw_pagefault_disable(); Index: linux-2.6/mm/memory.c =================================================================== --- linux-2.6.orig/mm/memory.c +++ linux-2.6/mm/memory.c @@ -3438,7 +3438,7 @@ int handle_pte_fault(struct mm_struct *m return 0; } -#ifdef CONFIG_PREEMPT_RT_FULL +#ifdef CONFIG_PREEMPT_RT_BASE void pagefault_disable(void) { migrate_disable(); ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-11 12:02 ` Peter Zijlstra @ 2011-08-11 12:52 ` Tim Sander 2011-08-11 15:28 ` Tim Sander 1 sibling, 0 replies; 33+ messages in thread From: Tim Sander @ 2011-08-11 12:52 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users Hi Peter Am Donnerstag, 11. August 2011, 14:02:22 schrieb Peter Zijlstra: > On Thu, 2011-08-11 at 13:30 +0200, Tim Sander wrote: > > The error does not occur when configured with > > CONFIG_PREEMPT_RT_FULL=y > > but with > > CONFIG_PREEMPT_RTB=y. > > The same error also happens with > > CONFIG_PREEMPT_LL=y. (A log is appended after the other log just > > search for CONFIG_PREEMPT_LL > > for starting point). > > Does the below (on top of -rt8) cure things for you? Shouldn't make a > difference for PREEMPT_LL though, so maybe there's something else busted > as well. But from what I can tell PREEMPT_BASE should be fine with such > things disabling preemption.. I havent tested but i tested appling rt8 to 3.0 and then git diffstat. Kind of a manual bisecting. Since you still seem to be currently looking at this: The current remaining offenders on the list from 3.0-rt7 are: git diff --stat rt8-test kernel/ksysfs.c | 12 ------ kernel/lockdep.c | 5 ++- kernel/sched_cpupri.c | 28 ++------------- localversion-rt | 2 +- mm/memory.c | 2 - mm/slab.c | 92 +++++++++++------------------------------------- 6 files changed, 29 insertions(+), 112 deletions(-) Will test the patch later on. Best regards Tim Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 @ 2011-08-11 12:52 ` Tim Sander 0 siblings, 0 replies; 33+ messages in thread From: Tim Sander @ 2011-08-11 12:52 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users Hi Peter Am Donnerstag, 11. August 2011, 14:02:22 schrieb Peter Zijlstra: > On Thu, 2011-08-11 at 13:30 +0200, Tim Sander wrote: > > The error does not occur when configured with > > CONFIG_PREEMPT_RT_FULL=y > > but with > > CONFIG_PREEMPT_RTB=y. > > The same error also happens with > > CONFIG_PREEMPT_LL=y. (A log is appended after the other log just > > search for CONFIG_PREEMPT_LL > > for starting point). > > Does the below (on top of -rt8) cure things for you? Shouldn't make a > difference for PREEMPT_LL though, so maybe there's something else busted > as well. But from what I can tell PREEMPT_BASE should be fine with such > things disabling preemption.. I havent tested but i tested appling rt8 to 3.0 and then git diffstat. Kind of a manual bisecting. Since you still seem to be currently looking at this: The current remaining offenders on the list from 3.0-rt7 are: git diff --stat rt8-test kernel/ksysfs.c | 12 ------ kernel/lockdep.c | 5 ++- kernel/sched_cpupri.c | 28 ++------------- localversion-rt | 2 +- mm/memory.c | 2 - mm/slab.c | 92 +++++++++++------------------------------------- 6 files changed, 29 insertions(+), 112 deletions(-) Will test the patch later on. Best regards Tim Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-11 12:02 ` Peter Zijlstra @ 2011-08-11 15:28 ` Tim Sander 2011-08-11 15:28 ` Tim Sander 1 sibling, 0 replies; 33+ messages in thread From: Tim Sander @ 2011-08-11 15:28 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users Hi Peter > Does the below (on top of -rt8) cure things for you? Shouldn't make a > difference for PREEMPT_LL though, so maybe there's something else busted > as well. But from what I can tell PREEMPT_BASE should be fine with such > things disabling preemption.. > > --- > Index: linux-2.6/include/linux/uaccess.h > =================================================================== > --- linux-2.6.orig/include/linux/uaccess.h > +++ linux-2.6/include/linux/uaccess.h > @@ -22,7 +22,7 @@ static inline void raw_pagefault_enable( > preempt_check_resched(); > } > > -#ifndef CONFIG_PREEMPT_RT_FULL > +#ifndef CONFIG_PREEMPT_RT_BASE > static inline void pagefault_disable(void) > { > raw_pagefault_disable(); > Index: linux-2.6/mm/memory.c > =================================================================== > --- linux-2.6.orig/mm/memory.c > +++ linux-2.6/mm/memory.c > @@ -3438,7 +3438,7 @@ int handle_pte_fault(struct mm_struct *m > return 0; > } > > -#ifdef CONFIG_PREEMPT_RT_FULL > +#ifdef CONFIG_PREEMPT_RT_BASE > void pagefault_disable(void) > { > migrate_disable(); The patch fixes the problem for CONFIG_PREEMPT_RTB but not for CONFIG_PREEMPT_LL. With the latter the error is still there. Thanks Tim Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 @ 2011-08-11 15:28 ` Tim Sander 0 siblings, 0 replies; 33+ messages in thread From: Tim Sander @ 2011-08-11 15:28 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users Hi Peter > Does the below (on top of -rt8) cure things for you? Shouldn't make a > difference for PREEMPT_LL though, so maybe there's something else busted > as well. But from what I can tell PREEMPT_BASE should be fine with such > things disabling preemption.. > > --- > Index: linux-2.6/include/linux/uaccess.h > =================================================================== > --- linux-2.6.orig/include/linux/uaccess.h > +++ linux-2.6/include/linux/uaccess.h > @@ -22,7 +22,7 @@ static inline void raw_pagefault_enable( > preempt_check_resched(); > } > > -#ifndef CONFIG_PREEMPT_RT_FULL > +#ifndef CONFIG_PREEMPT_RT_BASE > static inline void pagefault_disable(void) > { > raw_pagefault_disable(); > Index: linux-2.6/mm/memory.c > =================================================================== > --- linux-2.6.orig/mm/memory.c > +++ linux-2.6/mm/memory.c > @@ -3438,7 +3438,7 @@ int handle_pte_fault(struct mm_struct *m > return 0; > } > > -#ifdef CONFIG_PREEMPT_RT_FULL > +#ifdef CONFIG_PREEMPT_RT_BASE > void pagefault_disable(void) > { > migrate_disable(); The patch fixes the problem for CONFIG_PREEMPT_RTB but not for CONFIG_PREEMPT_LL. With the latter the error is still there. Thanks Tim Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-11 11:30 ` Tim Sander 2011-08-11 12:02 ` Peter Zijlstra @ 2011-08-11 12:41 ` Peter Zijlstra 2011-08-11 16:04 ` Tim Sander 1 sibling, 1 reply; 33+ messages in thread From: Peter Zijlstra @ 2011-08-11 12:41 UTC (permalink / raw) To: Tim Sander Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users On Thu, 2011-08-11 at 14:02 +0200, Peter Zijlstra wrote: > On Thu, 2011-08-11 at 13:30 +0200, Tim Sander wrote: > > The error does not occur when configured with > > CONFIG_PREEMPT_RT_FULL=y > > but with > > CONFIG_PREEMPT_RTB=y. > > The same error also happens with > > CONFIG_PREEMPT_LL=y. (A log is appended after the other log just > > search for CONFIG_PREEMPT_LL > > for starting point). > > Does the below (on top of -rt8) cure things for you? Shouldn't make a > difference for PREEMPT_LL though, so maybe there's something else busted > as well. But from what I can tell PREEMPT_BASE should be fine with such > things disabling preemption.. Gah, nevermind, I'm sleeping or so.. --- Index: linux-2.6/mm/filemap.c =================================================================== --- linux-2.6.orig/mm/filemap.c +++ linux-2.6/mm/filemap.c @@ -2040,7 +2040,7 @@ size_t iov_iter_copy_from_user_atomic(st char *kaddr; size_t copied; - BUG_ON(!current->pagefault_disabled); + BUG_ON(!(in_atomic() || current->pagefault_disabled)); kaddr = kmap_atomic(page, KM_USER0); if (likely(i->nr_segs == 1)) { int left; ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-11 12:41 ` Peter Zijlstra @ 2011-08-11 16:04 ` Tim Sander 0 siblings, 0 replies; 33+ messages in thread From: Tim Sander @ 2011-08-11 16:04 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users Am Donnerstag, 11. August 2011, 14:41:38 schrieb Peter Zijlstra: > On Thu, 2011-08-11 at 14:02 +0200, Peter Zijlstra wrote: > > On Thu, 2011-08-11 at 13:30 +0200, Tim Sander wrote: > > > The error does not occur when configured with > > > CONFIG_PREEMPT_RT_FULL=y > > > but with > > > CONFIG_PREEMPT_RTB=y. > > > The same error also happens with > > > CONFIG_PREEMPT_LL=y. (A log is appended after the other log just > > > search for CONFIG_PREEMPT_LL > > > for starting point). > > > > Does the below (on top of -rt8) cure things for you? Shouldn't make a > > difference for PREEMPT_LL though, so maybe there's something else busted > > as well. But from what I can tell PREEMPT_BASE should be fine with such > > things disabling preemption.. Yes it works for CONFIG_PREEMPT_RTB=y and as you say not for CONFIG_PREEMPT_LL=y. However with the following patches on top of rt8: diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index 44b3751..21ce185 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -22,7 +22,7 @@ static inline void raw_pagefault_enable(void) preempt_check_resched(); } -#ifndef CONFIG_PREEMPT_RT_FULL +#ifndef CONFIG_PREEMPT_RT_BASE static inline void pagefault_disable(void) { raw_pagefault_disable(); diff --git a/mm/filemap.c b/mm/filemap.c index 71e2a1f..af63de3 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2040,7 +2040,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page, char *kaddr; size_t copied; - BUG_ON(!current->pagefault_disabled); + BUG_ON(!(in_atomic() || current->pagefault_disabled)); kaddr = kmap_atomic(page, KM_USER0); if (likely(i->nr_segs == 1)) { int left; diff --git a/mm/memory.c b/mm/memory.c index cf71bd9..1b5a116 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3382,7 +3382,7 @@ unlock: return 0; } -#ifdef CONFIG_PREEMPT_RT_FULL +#ifdef CONFIG_PREEMPT_RT_BASE void pagefault_disable(void) { migrate_disable(); i get the following bug: kernel BUG at kernel/posix-cpu-timers.c:1315! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c0004000 [00000000] *pgd=00000000 Internal error: Oops: 817 [#1] PREEMPT Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Not tainted (3.0.0-pmx-rt8-00009-g39305ab #167) PC is at __bug+0x24/0x30 LR is at walk_stackframe+0x24/0x40 pc : [<c002cbf0>] lr : [<c002cbb0>] psr: 60000113 sp : c782ff40 ip : c782fe28 fp : c782ff4c r10: 00000001 r9 : 00000000 r8 : c78663c0 r7 : c030463c r6 : c782e000 r5 : 00000000 r4 : c78663c0 r3 : 00000000 r2 : 00000001 r1 : c782fe58 r0 : 00000034 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel Control: 00c5387d Table: 87b70008 DAC: 00000017 Process posixcputmr/0 (pid: 6, stack limit = 0xc782e268) Stack: (0xc782ff40 to 0xc7830000) ff40: c782ff8c c782ff50 c005a5c0 c002cbd8 00000000 c782ff54 c782ff54 00000000 ff60: 00000000 c78663c0 00000000 c782e000 c030463c c78663c0 00000000 00000001 ff80: c782ffbc c782ff90 c005a88c c005a594 00000000 c7817f28 00000000 c782ffcc ffa0: c005a800 00000000 00000000 00000000 c782fff4 c782ffc0 c00570f0 c005a80c ffc0: c7817f28 00000000 00000000 00000000 c782ffd0 c782ffd0 c7817f28 c0057064 ffe0: c0040868 00000013 00000000 c782fff8 c0040868 c0057070 cccdcd6c ffdec890 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c005a5c0>] (__run_posix_cpu_timers+0x38/0x278) [<c005a588>] (__run_posix_cpu_timers+0x0/0x278) from [<c005a88c>] (posix_cpu_timers_thread+0x8c/0x124) [<c005a800>] (posix_cpu_timers_thread+0x0/0x124) from [<c00570f0>] (kthread+0x8c/0x94) [<c0057064>] (kthread+0x0/0x94) from [<c0040868>] (do_exit+0x0/0x2d8) r7:00000013 r6:c0040868 r5:c0057064 r4:c7817f28 Code: e59f0010 e1a01003 eb086a88 e3a03000 (e5833000) ---[ end trace d632afeaa11559d4 ]--- Otherwise the system boots and works Best regards Tim Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. ^ permalink raw reply related [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 @ 2011-08-11 16:04 ` Tim Sander 0 siblings, 0 replies; 33+ messages in thread From: Tim Sander @ 2011-08-11 16:04 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users Am Donnerstag, 11. August 2011, 14:41:38 schrieb Peter Zijlstra: > On Thu, 2011-08-11 at 14:02 +0200, Peter Zijlstra wrote: > > On Thu, 2011-08-11 at 13:30 +0200, Tim Sander wrote: > > > The error does not occur when configured with > > > CONFIG_PREEMPT_RT_FULL=y > > > but with > > > CONFIG_PREEMPT_RTB=y. > > > The same error also happens with > > > CONFIG_PREEMPT_LL=y. (A log is appended after the other log just > > > search for CONFIG_PREEMPT_LL > > > for starting point). > > > > Does the below (on top of -rt8) cure things for you? Shouldn't make a > > difference for PREEMPT_LL though, so maybe there's something else busted > > as well. But from what I can tell PREEMPT_BASE should be fine with such > > things disabling preemption.. Yes it works for CONFIG_PREEMPT_RTB=y and as you say not for CONFIG_PREEMPT_LL=y. However with the following patches on top of rt8: diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index 44b3751..21ce185 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -22,7 +22,7 @@ static inline void raw_pagefault_enable(void) preempt_check_resched(); } -#ifndef CONFIG_PREEMPT_RT_FULL +#ifndef CONFIG_PREEMPT_RT_BASE static inline void pagefault_disable(void) { raw_pagefault_disable(); diff --git a/mm/filemap.c b/mm/filemap.c index 71e2a1f..af63de3 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2040,7 +2040,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page, char *kaddr; size_t copied; - BUG_ON(!current->pagefault_disabled); + BUG_ON(!(in_atomic() || current->pagefault_disabled)); kaddr = kmap_atomic(page, KM_USER0); if (likely(i->nr_segs == 1)) { int left; diff --git a/mm/memory.c b/mm/memory.c index cf71bd9..1b5a116 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3382,7 +3382,7 @@ unlock: return 0; } -#ifdef CONFIG_PREEMPT_RT_FULL +#ifdef CONFIG_PREEMPT_RT_BASE void pagefault_disable(void) { migrate_disable(); i get the following bug: kernel BUG at kernel/posix-cpu-timers.c:1315! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c0004000 [00000000] *pgd=00000000 Internal error: Oops: 817 [#1] PREEMPT Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Not tainted (3.0.0-pmx-rt8-00009-g39305ab #167) PC is at __bug+0x24/0x30 LR is at walk_stackframe+0x24/0x40 pc : [<c002cbf0>] lr : [<c002cbb0>] psr: 60000113 sp : c782ff40 ip : c782fe28 fp : c782ff4c r10: 00000001 r9 : 00000000 r8 : c78663c0 r7 : c030463c r6 : c782e000 r5 : 00000000 r4 : c78663c0 r3 : 00000000 r2 : 00000001 r1 : c782fe58 r0 : 00000034 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel Control: 00c5387d Table: 87b70008 DAC: 00000017 Process posixcputmr/0 (pid: 6, stack limit = 0xc782e268) Stack: (0xc782ff40 to 0xc7830000) ff40: c782ff8c c782ff50 c005a5c0 c002cbd8 00000000 c782ff54 c782ff54 00000000 ff60: 00000000 c78663c0 00000000 c782e000 c030463c c78663c0 00000000 00000001 ff80: c782ffbc c782ff90 c005a88c c005a594 00000000 c7817f28 00000000 c782ffcc ffa0: c005a800 00000000 00000000 00000000 c782fff4 c782ffc0 c00570f0 c005a80c ffc0: c7817f28 00000000 00000000 00000000 c782ffd0 c782ffd0 c7817f28 c0057064 ffe0: c0040868 00000013 00000000 c782fff8 c0040868 c0057070 cccdcd6c ffdec890 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c005a5c0>] (__run_posix_cpu_timers+0x38/0x278) [<c005a588>] (__run_posix_cpu_timers+0x0/0x278) from [<c005a88c>] (posix_cpu_timers_thread+0x8c/0x124) [<c005a800>] (posix_cpu_timers_thread+0x0/0x124) from [<c00570f0>] (kthread+0x8c/0x94) [<c0057064>] (kthread+0x0/0x94) from [<c0040868>] (do_exit+0x0/0x2d8) r7:00000013 r6:c0040868 r5:c0057064 r4:c7817f28 Code: e59f0010 e1a01003 eb086a88 e3a03000 (e5833000) ---[ end trace d632afeaa11559d4 ]--- Otherwise the system boots and works Best regards Tim Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply related [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-11 16:04 ` Tim Sander (?) @ 2011-08-11 16:14 ` Peter Zijlstra 2011-08-11 16:22 ` Tim Sander -1 siblings, 1 reply; 33+ messages in thread From: Peter Zijlstra @ 2011-08-11 16:14 UTC (permalink / raw) To: Tim Sander Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users On Thu, 2011-08-11 at 18:04 +0200, Tim Sander wrote: > > kernel BUG at kernel/posix-cpu-timers.c:1315! > Unable to handle kernel NULL pointer dereference at virtual address 00000000 > pgd = c0004000 > [00000000] *pgd=00000000 > Internal error: Oops: 817 [#1] PREEMPT > Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc > CPU: 0 Not tainted (3.0.0-pmx-rt8-00009-g39305ab #167) > PC is at __bug+0x24/0x30 > LR is at walk_stackframe+0x24/0x40 > pc : [<c002cbf0>] lr : [<c002cbb0>] psr: 60000113 > sp : c782ff40 ip : c782fe28 fp : c782ff4c > r10: 00000001 r9 : 00000000 r8 : c78663c0 > r7 : c030463c r6 : c782e000 r5 : 00000000 r4 : c78663c0 > r3 : 00000000 r2 : 00000001 r1 : c782fe58 r0 : 00000034 > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel > Control: 00c5387d Table: 87b70008 DAC: 00000017 > Process posixcputmr/0 (pid: 6, stack limit = 0xc782e268) > Stack: (0xc782ff40 to 0xc7830000) > ff40: c782ff8c c782ff50 c005a5c0 c002cbd8 00000000 c782ff54 c782ff54 00000000 > ff60: 00000000 c78663c0 00000000 c782e000 c030463c c78663c0 00000000 00000001 > ff80: c782ffbc c782ff90 c005a88c c005a594 00000000 c7817f28 00000000 c782ffcc > ffa0: c005a800 00000000 00000000 00000000 c782fff4 c782ffc0 c00570f0 c005a80c > ffc0: c7817f28 00000000 00000000 00000000 c782ffd0 c782ffd0 c7817f28 c0057064 > ffe0: c0040868 00000013 00000000 c782fff8 c0040868 c0057070 cccdcd6c ffdec890 > Backtrace: > [<c002cbcc>] (__bug+0x0/0x30) from [<c005a5c0>] (__run_posix_cpu_timers+0x38/0x278) > [<c005a588>] (__run_posix_cpu_timers+0x0/0x278) from [<c005a88c>] (posix_cpu_timers_thread+0x8c/0x124) > [<c005a800>] (posix_cpu_timers_thread+0x0/0x124) from [<c00570f0>] (kthread+0x8c/0x94) > [<c0057064>] (kthread+0x0/0x94) from [<c0040868>] (do_exit+0x0/0x2d8) > r7:00000013 r6:c0040868 r5:c0057064 r4:c7817f28 > Code: e59f0010 e1a01003 eb086a88 e3a03000 (e5833000) > ---[ end trace d632afeaa11559d4 ]--- Yay a new one, and this is a PREEMPT_LL build right? /me goes poke at it. ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-11 16:14 ` Peter Zijlstra @ 2011-08-11 16:22 ` Tim Sander 2011-08-11 16:41 ` Tim Sander 0 siblings, 1 reply; 33+ messages in thread From: Tim Sander @ 2011-08-11 16:22 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users [-- Attachment #1: Type: text/Plain, Size: 3506 bytes --] Am Donnerstag, 11. August 2011, 18:14:45 schrieb Peter Zijlstra: > On Thu, 2011-08-11 at 18:04 +0200, Tim Sander wrote: > > kernel BUG at kernel/posix-cpu-timers.c:1315! > > Unable to handle kernel NULL pointer dereference at virtual address > > 00000000 pgd = c0004000 > > [00000000] *pgd=00000000 > > Internal error: Oops: 817 [#1] PREEMPT > > Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload > > mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Not tainted > > (3.0.0-pmx-rt8-00009-g39305ab #167) > > PC is at __bug+0x24/0x30 > > LR is at walk_stackframe+0x24/0x40 > > pc : [<c002cbf0>] lr : [<c002cbb0>] psr: 60000113 > > sp : c782ff40 ip : c782fe28 fp : c782ff4c > > r10: 00000001 r9 : 00000000 r8 : c78663c0 > > r7 : c030463c r6 : c782e000 r5 : 00000000 r4 : c78663c0 > > r3 : 00000000 r2 : 00000001 r1 : c782fe58 r0 : 00000034 > > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel > > Control: 00c5387d Table: 87b70008 DAC: 00000017 > > Process posixcputmr/0 (pid: 6, stack limit = 0xc782e268) > > Stack: (0xc782ff40 to 0xc7830000) > > ff40: c782ff8c c782ff50 c005a5c0 c002cbd8 00000000 c782ff54 c782ff54 > > 00000000 ff60: 00000000 c78663c0 00000000 c782e000 c030463c c78663c0 > > 00000000 00000001 ff80: c782ffbc c782ff90 c005a88c c005a594 00000000 > > c7817f28 00000000 c782ffcc ffa0: c005a800 00000000 00000000 00000000 > > c782fff4 c782ffc0 c00570f0 c005a80c ffc0: c7817f28 00000000 00000000 > > 00000000 c782ffd0 c782ffd0 c7817f28 c0057064 ffe0: c0040868 00000013 > > 00000000 c782fff8 c0040868 c0057070 cccdcd6c ffdec890 Backtrace: > > [<c002cbcc>] (__bug+0x0/0x30) from [<c005a5c0>] > > (__run_posix_cpu_timers+0x38/0x278) [<c005a588>] > > (__run_posix_cpu_timers+0x0/0x278) from [<c005a88c>] > > (posix_cpu_timers_thread+0x8c/0x124) [<c005a800>] > > (posix_cpu_timers_thread+0x0/0x124) from [<c00570f0>] > > (kthread+0x8c/0x94) [<c0057064>] (kthread+0x0/0x94) from [<c0040868>] > > (do_exit+0x0/0x2d8) > > > > r7:00000013 r6:c0040868 r5:c0057064 r4:c7817f28 > > > > Code: e59f0010 e1a01003 eb086a88 e3a03000 (e5833000) > > ---[ end trace d632afeaa11559d4 ]--- > > Yay a new one, and this is a PREEMPT_LL build right? /me goes poke at > it. No sorry i forgot to mention, it a CONFIG_PREEMPT_RTB=y build. The CONFIG_PREEMPT_LL=y still gives shows the same error i posted already. If you like i can reproduce it for CONFIG_PREEMPT_LL. Best regareds Tim PS: attached the corresponding kernel config for the above bug. Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. [-- Attachment #2: .config --] [-- Type: text/plain, Size: 46430 bytes --] # # Automatically generated make config: don't edit # Linux/arm 3.0.1 Kernel Configuration # CONFIG_ARM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y CONFIG_HAVE_SCHED_CLOCK=y CONFIG_GENERIC_GPIO=y # CONFIG_ARCH_USES_GETTIMEOFFSET is not set CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_KTIME_SCALAR=y CONFIG_HAVE_PROC_CPU=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_HAVE_LATENCYTOP_SUPPORT=y CONFIG_LOCKDEP_SUPPORT=y CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_HARDIRQS_SW_RESEND=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_NEED_DMA_MAP_STATE=y CONFIG_VECTORS_BASE=0xffff0000 # CONFIG_ARM_PATCH_PHYS_VIRT is not set CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" CONFIG_HAVE_IRQ_WORK=y # # General setup # CONFIG_EXPERIMENTAL=y CONFIG_BROKEN_ON_SMP=y CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_CROSS_COMPILE="" CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_HAVE_KERNEL_GZIP=y CONFIG_HAVE_KERNEL_LZMA=y CONFIG_HAVE_KERNEL_LZO=y # CONFIG_KERNEL_GZIP is not set # CONFIG_KERNEL_LZMA is not set CONFIG_KERNEL_LZO=y CONFIG_DEFAULT_HOSTNAME="(none)" # CONFIG_SWAP is not set CONFIG_SYSVIPC=y CONFIG_SYSVIPC_SYSCTL=y CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE_SYSCTL=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_FHANDLE is not set # CONFIG_TASKSTATS is not set # CONFIG_AUDIT is not set CONFIG_HAVE_GENERIC_HARDIRQS=y # # IRQ subsystem # CONFIG_GENERIC_HARDIRQS=y CONFIG_HAVE_SPARSE_IRQ=y CONFIG_GENERIC_IRQ_SHOW=y CONFIG_IRQ_FORCED_THREADING=y # CONFIG_SPARSE_IRQ is not set # # RCU Subsystem # CONFIG_TREE_PREEMPT_RCU=y # CONFIG_TINY_RCU is not set # CONFIG_TINY_PREEMPT_RCU is not set CONFIG_PREEMPT_RCU=y # CONFIG_RCU_TRACE is not set CONFIG_RCU_FANOUT=32 # CONFIG_RCU_FANOUT_EXACT is not set # CONFIG_TREE_RCU_TRACE is not set CONFIG_RCU_BOOST=y CONFIG_RCU_BOOST_PRIO=1 CONFIG_RCU_BOOST_DELAY=50 CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CGROUPS is not set # CONFIG_NAMESPACES is not set # CONFIG_SCHED_AUTOGROUP is not set CONFIG_SYSFS_DEPRECATED=y CONFIG_SYSFS_DEPRECATED_V2=y # CONFIG_RELAY is not set # CONFIG_BLK_DEV_INITRD is not set CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y CONFIG_ANON_INODES=y CONFIG_EXPERT=y CONFIG_UID16=y CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y CONFIG_SIGNALFD=y CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_AIO=y CONFIG_EMBEDDED=y CONFIG_HAVE_PERF_EVENTS=y CONFIG_PERF_USE_VMALLOC=y # # Kernel Performance Events And Counters # # CONFIG_PERF_EVENTS is not set # CONFIG_PERF_COUNTERS is not set CONFIG_VM_EVENT_COUNTERS=y CONFIG_COMPAT_BRK=y CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set # CONFIG_PROFILING is not set CONFIG_HAVE_OPROFILE=y # CONFIG_KPROBES is not set CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y CONFIG_HAVE_CLK=y CONFIG_HAVE_DMA_API_DEBUG=y # # GCOV-based kernel profiling # # CONFIG_GCOV_KERNEL is not set CONFIG_HAVE_GENERIC_DMA_COHERENT=y CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_FORCE_LOAD=y CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_BLOCK=y # CONFIG_LBDAF is not set # CONFIG_BLK_DEV_BSG is not set # CONFIG_BLK_DEV_INTEGRITY is not set # # IO Schedulers # CONFIG_IOSCHED_NOOP=y # CONFIG_IOSCHED_DEADLINE is not set CONFIG_IOSCHED_CFQ=y # CONFIG_DEFAULT_CFQ is not set CONFIG_DEFAULT_NOOP=y CONFIG_DEFAULT_IOSCHED="noop" # CONFIG_INLINE_SPIN_TRYLOCK is not set # CONFIG_INLINE_SPIN_TRYLOCK_BH is not set # CONFIG_INLINE_SPIN_LOCK is not set # CONFIG_INLINE_SPIN_LOCK_BH is not set # CONFIG_INLINE_SPIN_LOCK_IRQ is not set # CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set # CONFIG_INLINE_SPIN_UNLOCK is not set # CONFIG_INLINE_SPIN_UNLOCK_BH is not set # CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set # CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set # CONFIG_INLINE_READ_TRYLOCK is not set # CONFIG_INLINE_READ_LOCK is not set # CONFIG_INLINE_READ_LOCK_BH is not set # CONFIG_INLINE_READ_LOCK_IRQ is not set # CONFIG_INLINE_READ_LOCK_IRQSAVE is not set # CONFIG_INLINE_READ_UNLOCK is not set # CONFIG_INLINE_READ_UNLOCK_BH is not set # CONFIG_INLINE_READ_UNLOCK_IRQ is not set # CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set # CONFIG_INLINE_WRITE_TRYLOCK is not set # CONFIG_INLINE_WRITE_LOCK is not set # CONFIG_INLINE_WRITE_LOCK_BH is not set # CONFIG_INLINE_WRITE_LOCK_IRQ is not set # CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set # CONFIG_INLINE_WRITE_UNLOCK is not set # CONFIG_INLINE_WRITE_UNLOCK_BH is not set # CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set # CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set # CONFIG_MUTEX_SPIN_ON_OWNER is not set # CONFIG_FREEZER is not set # # System Type # CONFIG_MMU=y # CONFIG_ARCH_INTEGRATOR is not set # CONFIG_ARCH_REALVIEW is not set # CONFIG_ARCH_VERSATILE is not set # CONFIG_ARCH_VEXPRESS is not set # CONFIG_ARCH_AT91 is not set # CONFIG_ARCH_BCMRING is not set # CONFIG_ARCH_CLPS711X is not set # CONFIG_ARCH_CNS3XXX is not set # CONFIG_ARCH_GEMINI is not set # CONFIG_ARCH_EBSA110 is not set # CONFIG_ARCH_EP93XX is not set # CONFIG_ARCH_FOOTBRIDGE is not set CONFIG_ARCH_MXC=y # CONFIG_ARCH_MXS is not set # CONFIG_ARCH_NETX is not set # CONFIG_ARCH_H720X is not set # CONFIG_ARCH_IOP13XX is not set # CONFIG_ARCH_IOP32X is not set # CONFIG_ARCH_IOP33X is not set # CONFIG_ARCH_IXP23XX is not set # CONFIG_ARCH_IXP2000 is not set # CONFIG_ARCH_IXP4XX is not set # CONFIG_ARCH_DOVE is not set # CONFIG_ARCH_KIRKWOOD is not set # CONFIG_ARCH_LOKI is not set # CONFIG_ARCH_LPC32XX is not set # CONFIG_ARCH_MV78XX0 is not set # CONFIG_ARCH_ORION5X is not set # CONFIG_ARCH_MMP is not set # CONFIG_ARCH_KS8695 is not set # CONFIG_ARCH_W90X900 is not set # CONFIG_ARCH_NUC93X is not set # CONFIG_ARCH_TEGRA is not set # CONFIG_ARCH_PNX4008 is not set # CONFIG_ARCH_PXA is not set # CONFIG_ARCH_MSM is not set # CONFIG_ARCH_SHMOBILE is not set # CONFIG_ARCH_RPC is not set # CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_S3C2410 is not set # CONFIG_ARCH_S3C64XX is not set # CONFIG_ARCH_S5P64X0 is not set # CONFIG_ARCH_S5PC100 is not set # CONFIG_ARCH_S5PV210 is not set # CONFIG_ARCH_EXYNOS4 is not set # CONFIG_ARCH_SHARK is not set # CONFIG_ARCH_TCC_926 is not set # CONFIG_ARCH_U300 is not set # CONFIG_ARCH_U8500 is not set # CONFIG_ARCH_NOMADIK is not set # CONFIG_ARCH_DAVINCI is not set # CONFIG_ARCH_OMAP is not set # CONFIG_PLAT_SPEAR is not set # CONFIG_ARCH_VT8500 is not set # CONFIG_GPIO_PCA953X is not set # CONFIG_KEYBOARD_GPIO_POLLED is not set CONFIG_IMX_HAVE_PLATFORM_FEC=y CONFIG_IMX_HAVE_PLATFORM_FLEXCAN=y CONFIG_IMX_HAVE_PLATFORM_FSL_USB2_UDC=y CONFIG_IMX_HAVE_PLATFORM_IMX2_WDT=y CONFIG_IMX_HAVE_PLATFORM_IMX_I2C=y CONFIG_IMX_HAVE_PLATFORM_IMX_SSI=y CONFIG_IMX_HAVE_PLATFORM_IMX_UART=y CONFIG_IMX_HAVE_PLATFORM_IPU_CORE=y CONFIG_IMX_HAVE_PLATFORM_MXC_EHCI=y CONFIG_IMX_HAVE_PLATFORM_MXC_NAND=y CONFIG_IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX=y # # Freescale MXC Implementations # # CONFIG_ARCH_MX1 is not set # CONFIG_ARCH_MX2 is not set # CONFIG_ARCH_MX25 is not set CONFIG_ARCH_MX3=y # CONFIG_ARCH_MX503 is not set # CONFIG_ARCH_MX51 is not set CONFIG_ARCH_MX35=y CONFIG_SOC_IMX35=y # # MX31 platforms: # # CONFIG_MACH_MX31ADS is not set # CONFIG_MACH_MX31LILLY is not set # CONFIG_MACH_MX31LITE is not set # CONFIG_MACH_PCM037 is not set # CONFIG_MACH_MX31_3DS is not set # CONFIG_MACH_MX31MOBOARD is not set # CONFIG_MACH_QONG is not set # CONFIG_MACH_ARMADILLO5X0 is not set # CONFIG_MACH_KZM_ARM11_01 is not set # CONFIG_MACH_BUG is not set # # MX35 platforms: # CONFIG_MACH_PCM043=y # CONFIG_MACH_MX35_3DS is not set # CONFIG_MACH_EUKREA_CPUIMX35 is not set # CONFIG_MACH_VPR200 is not set CONFIG_MXC_IRQ_PRIOR=y CONFIG_MXC_AVIC=y # CONFIG_MXC_PWM is not set # CONFIG_MXC_DEBUG_BOARD is not set CONFIG_HAVE_EPIT=y # CONFIG_MXC_USE_EPIT is not set CONFIG_MXC_ULPI=y CONFIG_ARCH_MXC_IOMUX_V3=y CONFIG_ARCH_MXC_AUDMUX_V2=y # # System MMU # # # Processor Type # CONFIG_CPU_V6=y CONFIG_CPU_32v6=y CONFIG_CPU_ABRT_EV6=y CONFIG_CPU_PABRT_V6=y CONFIG_CPU_CACHE_V6=y CONFIG_CPU_CACHE_VIPT=y CONFIG_CPU_COPY_V6=y CONFIG_CPU_TLB_V6=y CONFIG_CPU_HAS_ASID=y CONFIG_CPU_CP15=y CONFIG_CPU_CP15_MMU=y CONFIG_CPU_USE_DOMAINS=y # # Processor Features # CONFIG_ARM_THUMB=y # CONFIG_CPU_ICACHE_DISABLE is not set # CONFIG_CPU_DCACHE_DISABLE is not set # CONFIG_CPU_BPREDICT_DISABLE is not set CONFIG_OUTER_CACHE=y CONFIG_OUTER_CACHE_SYNC=y CONFIG_CACHE_L2X0=y CONFIG_ARM_L1_CACHE_SHIFT=5 CONFIG_ARM_DMA_MEM_BUFFERABLE=y CONFIG_CPU_HAS_PMU=y # CONFIG_ARM_ERRATA_411920 is not set # CONFIG_PL310_ERRATA_588369 is not set # CONFIG_PL310_ERRATA_727915 is not set # # Bus support # # CONFIG_PCI_SYSCALL is not set # CONFIG_ARCH_SUPPORTS_MSI is not set # CONFIG_PCCARD is not set # # Kernel Features # CONFIG_TICK_ONESHOT=y # CONFIG_NO_HZ is not set CONFIG_HIGH_RES_TIMERS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_VMSPLIT_3G=y # CONFIG_VMSPLIT_2G is not set # CONFIG_VMSPLIT_1G is not set CONFIG_PAGE_OFFSET=0xC0000000 CONFIG_PREEMPT=y CONFIG_PREEMPT_RT_BASE=y # CONFIG_PREEMPT_NONE is not set # CONFIG_PREEMPT_VOLUNTARY is not set # CONFIG_PREEMPT_LL is not set CONFIG_PREEMPT_RTB=y # CONFIG_PREEMPT_RT_FULL is not set CONFIG_HZ=100 CONFIG_AEABI=y # CONFIG_OABI_COMPAT is not set # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set CONFIG_HAVE_ARCH_PFN_VALID=y # CONFIG_HIGHMEM is not set CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_HAVE_MEMBLOCK=y CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_COMPACTION is not set # CONFIG_PHYS_ADDR_T_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 CONFIG_VIRT_TO_BUS=y # CONFIG_KSM is not set CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 CONFIG_NEED_PER_CPU_KM=y # CONFIG_CLEANCACHE is not set CONFIG_FORCE_MAX_ZONEORDER=11 CONFIG_ALIGNMENT_TRAP=y # CONFIG_UACCESS_WITH_MEMCPY is not set # CONFIG_SECCOMP is not set # CONFIG_CC_STACKPROTECTOR is not set # CONFIG_DEPRECATED_PARAM_STRUCT is not set # # Boot options # # CONFIG_USE_OF is not set CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_CMDLINE="console=ttymxc0,115200n8 quiet" CONFIG_CMDLINE_FROM_BOOTLOADER=y # CONFIG_CMDLINE_EXTEND is not set # CONFIG_CMDLINE_FORCE is not set # CONFIG_XIP_KERNEL is not set CONFIG_KEXEC=y CONFIG_ATAGS_PROC=y # CONFIG_CRASH_DUMP is not set # CONFIG_AUTO_ZRELADDR is not set # # CPU Power Management # # CONFIG_CPU_IDLE is not set # # Floating point emulation # # # At least one emulation must be selected # CONFIG_VFP=y # # Userspace binary formats # CONFIG_BINFMT_ELF=y # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set CONFIG_HAVE_AOUT=y # CONFIG_BINFMT_AOUT is not set # CONFIG_BINFMT_MISC is not set # # Power management options # # CONFIG_SUSPEND is not set # CONFIG_PM_RUNTIME is not set CONFIG_ARCH_SUSPEND_POSSIBLE=y CONFIG_NET=y # # Networking options # CONFIG_PACKET=m CONFIG_UNIX=y # CONFIG_NET_KEY is not set CONFIG_INET=y CONFIG_IP_MULTICAST=y # CONFIG_IP_ADVANCED_ROUTER is not set CONFIG_IP_PNP=y CONFIG_IP_PNP_DHCP=y # CONFIG_IP_PNP_BOOTP is not set # CONFIG_IP_PNP_RARP is not set # CONFIG_NET_IPIP is not set # CONFIG_NET_IPGRE_DEMUX is not set # CONFIG_IP_MROUTE is not set # CONFIG_ARPD is not set # CONFIG_SYN_COOKIES is not set # CONFIG_INET_AH is not set # CONFIG_INET_ESP is not set # CONFIG_INET_IPCOMP is not set # CONFIG_INET_XFRM_TUNNEL is not set # CONFIG_INET_TUNNEL is not set # CONFIG_INET_XFRM_MODE_TRANSPORT is not set # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set # CONFIG_INET_LRO is not set # CONFIG_INET_DIAG is not set # CONFIG_TCP_CONG_ADVANCED is not set CONFIG_TCP_CONG_CUBIC=y CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_TCP_MD5SIG is not set # CONFIG_IPV6 is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETWORK_PHY_TIMESTAMPING is not set # CONFIG_NETFILTER is not set # CONFIG_IP_DCCP is not set # CONFIG_IP_SCTP is not set # CONFIG_RDS is not set # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_L2TP is not set # CONFIG_BRIDGE is not set # CONFIG_NET_DSA is not set # CONFIG_VLAN_8021Q is not set # CONFIG_DECNET is not set # CONFIG_LLC2 is not set # CONFIG_IPX is not set # CONFIG_ATALK is not set # CONFIG_X25 is not set # CONFIG_LAPB is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set # CONFIG_PHONET is not set # CONFIG_IEEE802154 is not set # CONFIG_NET_SCHED is not set # CONFIG_DCB is not set # CONFIG_BATMAN_ADV is not set # # Network testing # # CONFIG_NET_PKTGEN is not set # CONFIG_HAMRADIO is not set CONFIG_CAN=y CONFIG_CAN_RAW=y CONFIG_CAN_BCM=y # # CAN Device Drivers # # CONFIG_CAN_VCAN is not set # CONFIG_CAN_SLCAN is not set CONFIG_CAN_DEV=y CONFIG_CAN_CALC_BITTIMING=y # CONFIG_CAN_MCP251X is not set CONFIG_HAVE_CAN_FLEXCAN=y CONFIG_CAN_FLEXCAN=y # CONFIG_CAN_SJA1000 is not set # CONFIG_CAN_C_CAN is not set # # CAN USB interfaces # # CONFIG_CAN_EMS_USB is not set # CONFIG_CAN_ESD_USB2 is not set # CONFIG_CAN_SOFTING is not set # CONFIG_CAN_DEBUG_DEVICES is not set # CONFIG_IRDA is not set # CONFIG_BT is not set # CONFIG_AF_RXRPC is not set # CONFIG_WIRELESS is not set # CONFIG_WIMAX is not set # CONFIG_RFKILL is not set # CONFIG_NET_9P is not set # CONFIG_CAIF is not set # CONFIG_CEPH_LIB is not set # # Device Drivers # # # Generic Driver Options # CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_FW_LOADER=y # CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_EXTRA_FIRMWARE="" # CONFIG_DEBUG_DRIVER is not set # CONFIG_DEBUG_DEVRES is not set # CONFIG_SYS_HYPERVISOR is not set # CONFIG_CONNECTOR is not set CONFIG_MTD=y # CONFIG_MTD_DEBUG is not set # CONFIG_MTD_TESTS is not set # CONFIG_MTD_REDBOOT_PARTS is not set CONFIG_MTD_CMDLINE_PARTS=y # CONFIG_MTD_AFS_PARTS is not set # CONFIG_MTD_AR7_PARTS is not set # # User Modules And Translation Layers # CONFIG_MTD_CHAR=y CONFIG_MTD_BLKDEVS=y CONFIG_MTD_BLOCK=y # CONFIG_FTL is not set # CONFIG_NFTL is not set # CONFIG_INFTL is not set # CONFIG_RFD_FTL is not set # CONFIG_SSFDC is not set # CONFIG_SM_FTL is not set # CONFIG_MTD_OOPS is not set # # RAM/ROM/Flash chip drivers # CONFIG_MTD_CFI=y # CONFIG_MTD_JEDECPROBE is not set CONFIG_MTD_GEN_PROBE=y # CONFIG_MTD_CFI_ADV_OPTIONS is not set CONFIG_MTD_MAP_BANK_WIDTH_1=y CONFIG_MTD_MAP_BANK_WIDTH_2=y CONFIG_MTD_MAP_BANK_WIDTH_4=y # CONFIG_MTD_MAP_BANK_WIDTH_8 is not set # CONFIG_MTD_MAP_BANK_WIDTH_16 is not set # CONFIG_MTD_MAP_BANK_WIDTH_32 is not set CONFIG_MTD_CFI_I1=y CONFIG_MTD_CFI_I2=y # CONFIG_MTD_CFI_I4 is not set # CONFIG_MTD_CFI_I8 is not set CONFIG_MTD_CFI_INTELEXT=y # CONFIG_MTD_CFI_AMDSTD is not set # CONFIG_MTD_CFI_STAA is not set CONFIG_MTD_CFI_UTIL=y CONFIG_MTD_RAM=m # CONFIG_MTD_ROM is not set # CONFIG_MTD_ABSENT is not set # # Mapping drivers for chip access # # CONFIG_MTD_COMPLEX_MAPPINGS is not set CONFIG_MTD_PHYSMAP=y # CONFIG_MTD_PHYSMAP_COMPAT is not set # CONFIG_MTD_ARM_INTEGRATOR is not set CONFIG_MTD_PLATRAM=m # # Self-contained MTD device drivers # # CONFIG_MTD_DATAFLASH is not set # CONFIG_MTD_M25P80 is not set # CONFIG_MTD_SST25L is not set # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set # CONFIG_MTD_BLOCK2MTD is not set # # Disk-On-Chip Device Drivers # # CONFIG_MTD_DOC2000 is not set # CONFIG_MTD_DOC2001 is not set # CONFIG_MTD_DOC2001PLUS is not set CONFIG_MTD_NAND_ECC=m # CONFIG_MTD_NAND_ECC_SMC is not set CONFIG_MTD_NAND=m # CONFIG_MTD_NAND_VERIFY_WRITE is not set # CONFIG_MTD_NAND_ECC_BCH is not set # CONFIG_MTD_SM_COMMON is not set # CONFIG_MTD_NAND_MUSEUM_IDS is not set # CONFIG_MTD_NAND_GPIO is not set CONFIG_MTD_NAND_IDS=m # CONFIG_MTD_NAND_DISKONCHIP is not set # CONFIG_MTD_NAND_NANDSIM is not set # CONFIG_MTD_NAND_PLATFORM is not set # CONFIG_MTD_ALAUDA is not set CONFIG_MTD_NAND_MXC=m # CONFIG_MTD_ONENAND is not set # # LPDDR flash memory drivers # # CONFIG_MTD_LPDDR is not set CONFIG_MTD_UBI=y CONFIG_MTD_UBI_WL_THRESHOLD=4096 CONFIG_MTD_UBI_BEB_RESERVE=1 # CONFIG_MTD_UBI_GLUEBI is not set # CONFIG_MTD_UBI_DEBUG is not set # CONFIG_PARPORT is not set CONFIG_BLK_DEV=y # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=m # CONFIG_BLK_DEV_CRYPTOLOOP is not set # # DRBD disabled because PROC_FS, INET or CONNECTOR not selected # # CONFIG_BLK_DEV_NBD is not set # CONFIG_BLK_DEV_UB is not set # CONFIG_BLK_DEV_RAM is not set # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set # CONFIG_MG_DISK is not set # CONFIG_BLK_DEV_RBD is not set # CONFIG_SENSORS_LIS3LV02D is not set CONFIG_MISC_DEVICES=y # CONFIG_AD525X_DPOT is not set # CONFIG_INTEL_MID_PTI is not set # CONFIG_ICS932S401 is not set # CONFIG_ENCLOSURE_SERVICES is not set # CONFIG_APDS9802ALS is not set # CONFIG_ISL29003 is not set # CONFIG_ISL29020 is not set # CONFIG_SENSORS_TSL2550 is not set # CONFIG_SENSORS_BH1780 is not set # CONFIG_SENSORS_BH1770 is not set # CONFIG_SENSORS_APDS990X is not set # CONFIG_HMC6352 is not set # CONFIG_DS1682 is not set # CONFIG_TI_DAC7512 is not set # CONFIG_BMP085 is not set # CONFIG_C2PORT is not set # # EEPROM support # CONFIG_EEPROM_AT24=y # CONFIG_EEPROM_AT25 is not set # CONFIG_EEPROM_LEGACY is not set # CONFIG_EEPROM_MAX6875 is not set # CONFIG_EEPROM_93CX6 is not set # # Texas Instruments shared transport line discipline # # CONFIG_TI_ST is not set # CONFIG_SENSORS_LIS3_SPI is not set # CONFIG_SENSORS_LIS3_I2C is not set CONFIG_HAVE_IDE=y # CONFIG_IDE is not set # # SCSI device support # CONFIG_SCSI_MOD=y # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y CONFIG_SCSI_DMA=y # CONFIG_SCSI_TGT is not set # CONFIG_SCSI_NETLINK is not set # CONFIG_SCSI_PROC_FS is not set # # SCSI support type (disk, tape, CD-ROM) # CONFIG_BLK_DEV_SD=y # CONFIG_CHR_DEV_ST is not set # CONFIG_CHR_DEV_OSST is not set # CONFIG_BLK_DEV_SR is not set # CONFIG_CHR_DEV_SG is not set # CONFIG_CHR_DEV_SCH is not set CONFIG_SCSI_MULTI_LUN=y CONFIG_SCSI_CONSTANTS=y CONFIG_SCSI_LOGGING=y CONFIG_SCSI_SCAN_ASYNC=y CONFIG_SCSI_WAIT_SCAN=m # # SCSI Transports # # CONFIG_SCSI_SPI_ATTRS is not set # CONFIG_SCSI_FC_ATTRS is not set # CONFIG_SCSI_ISCSI_ATTRS is not set # CONFIG_SCSI_SAS_ATTRS is not set # CONFIG_SCSI_SAS_LIBSAS is not set # CONFIG_SCSI_SRP_ATTRS is not set # CONFIG_SCSI_LOWLEVEL is not set # CONFIG_SCSI_DH is not set # CONFIG_SCSI_OSD_INITIATOR is not set # CONFIG_ATA is not set # CONFIG_MD is not set # CONFIG_TARGET_CORE is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set # CONFIG_MACVLAN is not set # CONFIG_EQUALIZER is not set # CONFIG_TUN is not set # CONFIG_VETH is not set # CONFIG_MII is not set CONFIG_PHYLIB=y # # MII PHY device drivers # # CONFIG_MARVELL_PHY is not set # CONFIG_DAVICOM_PHY is not set # CONFIG_QSEMI_PHY is not set # CONFIG_LXT_PHY is not set # CONFIG_CICADA_PHY is not set # CONFIG_VITESSE_PHY is not set # CONFIG_SMSC_PHY is not set # CONFIG_BROADCOM_PHY is not set # CONFIG_ICPLUS_PHY is not set # CONFIG_REALTEK_PHY is not set # CONFIG_NATIONAL_PHY is not set # CONFIG_STE10XP is not set # CONFIG_LSI_ET1011C_PHY is not set CONFIG_MICREL_PHY=y # CONFIG_FIXED_PHY is not set # CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y # CONFIG_AX88796 is not set # CONFIG_SMC91X is not set # CONFIG_DM9000 is not set # CONFIG_ENC28J60 is not set # CONFIG_ETHOC is not set # CONFIG_SMC911X is not set # CONFIG_SMSC911X is not set # CONFIG_DNET is not set # CONFIG_IBM_NEW_EMAC_ZMII is not set # CONFIG_IBM_NEW_EMAC_RGMII is not set # CONFIG_IBM_NEW_EMAC_TAH is not set # CONFIG_IBM_NEW_EMAC_EMAC4 is not set # CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set # CONFIG_B44 is not set # CONFIG_KS8842 is not set # CONFIG_KS8851 is not set # CONFIG_KS8851_MLL is not set CONFIG_FEC=y # CONFIG_FTMAC100 is not set # CONFIG_NETDEV_1000 is not set # CONFIG_NETDEV_10000 is not set # CONFIG_WLAN is not set # # Enable WiMAX (Networking options) to see the WiMAX drivers # # # USB Network Adapters # # CONFIG_USB_CATC is not set # CONFIG_USB_KAWETH is not set # CONFIG_USB_PEGASUS is not set # CONFIG_USB_RTL8150 is not set # CONFIG_USB_USBNET is not set # CONFIG_USB_IPHETH is not set # CONFIG_WAN is not set # # CAIF transport drivers # # CONFIG_PPP is not set # CONFIG_SLIP is not set # CONFIG_NETCONSOLE is not set # CONFIG_NETPOLL is not set # CONFIG_NET_POLL_CONTROLLER is not set # CONFIG_ISDN is not set # CONFIG_PHONE is not set # # Input device support # CONFIG_INPUT=m # CONFIG_INPUT_FF_MEMLESS is not set # CONFIG_INPUT_POLLDEV is not set CONFIG_INPUT_SPARSEKMAP=m # # Userland interfaces # CONFIG_INPUT_MOUSEDEV=m CONFIG_INPUT_MOUSEDEV_PSAUX=y CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 CONFIG_INPUT_JOYDEV=m CONFIG_INPUT_EVDEV=m # CONFIG_INPUT_EVBUG is not set # # Input Device Drivers # CONFIG_INPUT_KEYBOARD=y # CONFIG_KEYBOARD_ADP5588 is not set # CONFIG_KEYBOARD_ADP5589 is not set CONFIG_KEYBOARD_ATKBD=m # CONFIG_KEYBOARD_QT1070 is not set # CONFIG_KEYBOARD_QT2160 is not set # CONFIG_KEYBOARD_LKKBD is not set # CONFIG_KEYBOARD_GPIO is not set # CONFIG_KEYBOARD_TCA6416 is not set # CONFIG_KEYBOARD_MATRIX is not set # CONFIG_KEYBOARD_LM8323 is not set # CONFIG_KEYBOARD_MAX7359 is not set # CONFIG_KEYBOARD_MCS is not set # CONFIG_KEYBOARD_MPR121 is not set # CONFIG_KEYBOARD_IMX is not set # CONFIG_KEYBOARD_NEWTON is not set # CONFIG_KEYBOARD_OPENCORES is not set # CONFIG_KEYBOARD_STOWAWAY is not set # CONFIG_KEYBOARD_SUNKBD is not set # CONFIG_KEYBOARD_XTKBD is not set CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=m CONFIG_MOUSE_PS2_ALPS=y CONFIG_MOUSE_PS2_LOGIPS2PP=y CONFIG_MOUSE_PS2_SYNAPTICS=y CONFIG_MOUSE_PS2_TRACKPOINT=y # CONFIG_MOUSE_PS2_ELANTECH is not set # CONFIG_MOUSE_PS2_SENTELIC is not set # CONFIG_MOUSE_PS2_TOUCHKIT is not set # CONFIG_MOUSE_SERIAL is not set # CONFIG_MOUSE_APPLETOUCH is not set # CONFIG_MOUSE_BCM5974 is not set # CONFIG_MOUSE_VSXXXAA is not set # CONFIG_MOUSE_GPIO is not set # CONFIG_MOUSE_SYNAPTICS_I2C is not set # CONFIG_INPUT_JOYSTICK is not set # CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set # CONFIG_INPUT_MISC is not set # # Hardware I/O ports # CONFIG_SERIO=m CONFIG_SERIO_SERPORT=m CONFIG_SERIO_LIBPS2=m # CONFIG_SERIO_RAW is not set # CONFIG_SERIO_ALTERA_PS2 is not set # CONFIG_SERIO_PS2MULT is not set # CONFIG_GAMEPORT is not set # # Character devices # # CONFIG_VT is not set CONFIG_UNIX98_PTYS=y # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set # CONFIG_LEGACY_PTYS is not set # CONFIG_SERIAL_NONSTANDARD is not set # CONFIG_N_GSM is not set # CONFIG_TRACE_SINK is not set CONFIG_DEVKMEM=y # # Serial drivers # # CONFIG_SERIAL_8250 is not set # # Non-8250 serial port support # # CONFIG_SERIAL_MAX3100 is not set # CONFIG_SERIAL_MAX3107 is not set CONFIG_SERIAL_IMX=y CONFIG_SERIAL_IMX_CONSOLE=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_TIMBERDALE is not set # CONFIG_SERIAL_ALTERA_JTAGUART is not set # CONFIG_SERIAL_ALTERA_UART is not set # CONFIG_SERIAL_IFX6X60 is not set # CONFIG_SERIAL_XILINX_PS_UART is not set CONFIG_TTY_PRINTK=y # CONFIG_HVC_DCC is not set # CONFIG_IPMI_HANDLER is not set CONFIG_HW_RANDOM=y # CONFIG_HW_RANDOM_TIMERIOMEM is not set # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set # CONFIG_TCG_TPM is not set # CONFIG_RAMOOPS is not set CONFIG_I2C=y CONFIG_I2C_BOARDINFO=y # CONFIG_I2C_COMPAT is not set CONFIG_I2C_CHARDEV=m # CONFIG_I2C_MUX is not set CONFIG_I2C_HELPER_AUTO=y # # I2C Hardware Bus support # # # I2C system bus drivers (mostly embedded / system-on-chip) # # CONFIG_I2C_DESIGNWARE is not set # CONFIG_I2C_GPIO is not set CONFIG_I2C_IMX=m # CONFIG_I2C_OCORES is not set # CONFIG_I2C_PCA_PLATFORM is not set # CONFIG_I2C_PXA_PCI is not set # CONFIG_I2C_SIMTEC is not set # CONFIG_I2C_XILINX is not set # # External I2C/SMBus adapter drivers # # CONFIG_I2C_DIOLAN_U2C is not set # CONFIG_I2C_PARPORT_LIGHT is not set # CONFIG_I2C_TAOS_EVM is not set # CONFIG_I2C_TINY_USB is not set # # Other I2C/SMBus bus drivers # # CONFIG_I2C_STUB is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set CONFIG_SPI=y # CONFIG_SPI_DEBUG is not set CONFIG_SPI_MASTER=y # # SPI Master Controller Drivers # # CONFIG_SPI_ALTERA is not set CONFIG_SPI_BITBANG=y # CONFIG_SPI_GPIO is not set CONFIG_SPI_IMX_VER_0_7=y CONFIG_SPI_IMX=y # CONFIG_SPI_OC_TINY is not set # CONFIG_SPI_PXA2XX_PCI is not set # CONFIG_SPI_XILINX is not set # CONFIG_SPI_DESIGNWARE is not set # # SPI Protocol Masters # CONFIG_SPI_SPIDEV=y # CONFIG_SPI_TLE62X0 is not set # # PPS support # # CONFIG_PPS is not set # # PPS generators support # # # PTP clock support # # # Enable Device Drivers -> PPS to see the PTP clock options. # CONFIG_ARCH_REQUIRE_GPIOLIB=y CONFIG_GPIOLIB=y # CONFIG_DEBUG_GPIO is not set CONFIG_GPIO_SYSFS=y # # Memory mapped GPIO drivers: # CONFIG_GPIO_BASIC_MMIO_CORE=y CONFIG_GPIO_BASIC_MMIO=y # CONFIG_GPIO_IT8761E is not set # # I2C GPIO expanders: # # CONFIG_GPIO_MAX7300 is not set # CONFIG_GPIO_MAX732X is not set # CONFIG_GPIO_PCF857X is not set # CONFIG_GPIO_SX150X is not set # CONFIG_GPIO_ADP5588 is not set # # PCI GPIO expanders: # # # SPI GPIO expanders: # # CONFIG_GPIO_MAX7301 is not set # CONFIG_GPIO_MCP23S08 is not set # CONFIG_GPIO_MC33880 is not set # CONFIG_GPIO_74X164 is not set # # AC97 GPIO expanders: # # # MODULbus GPIO expanders: # CONFIG_W1=y # # 1-wire Bus Masters # # CONFIG_W1_MASTER_DS2490 is not set # CONFIG_W1_MASTER_DS2482 is not set CONFIG_W1_MASTER_MXC=y # CONFIG_W1_MASTER_DS1WM is not set # CONFIG_W1_MASTER_GPIO is not set # # 1-wire Slaves # CONFIG_W1_SLAVE_THERM=m CONFIG_W1_SLAVE_SMEM=m # CONFIG_W1_SLAVE_DS2408 is not set # CONFIG_W1_SLAVE_DS2423 is not set CONFIG_W1_SLAVE_DS2431=m CONFIG_W1_SLAVE_DS2433=m CONFIG_W1_SLAVE_DS2433_CRC=y CONFIG_W1_SLAVE_DS2760=m # CONFIG_W1_SLAVE_DS2780 is not set CONFIG_W1_SLAVE_BQ27000=m # CONFIG_POWER_SUPPLY is not set # CONFIG_HWMON is not set # CONFIG_THERMAL is not set CONFIG_WATCHDOG=y # CONFIG_WATCHDOG_NOWAYOUT is not set # # Watchdog Device Drivers # # CONFIG_SOFT_WATCHDOG is not set # CONFIG_MAX63XX_WATCHDOG is not set CONFIG_IMX2_WDT=y # # USB-based Watchdog Cards # # CONFIG_USBPCWATCHDOG is not set CONFIG_SSB_POSSIBLE=y # # Sonics Silicon Backplane # # CONFIG_SSB is not set CONFIG_BCMA_POSSIBLE=y # # Broadcom specific AMBA # # CONFIG_BCMA is not set CONFIG_MFD_SUPPORT=y # CONFIG_MFD_CORE is not set # CONFIG_MFD_88PM860X is not set # CONFIG_MFD_SM501 is not set # CONFIG_MFD_ASIC3 is not set # CONFIG_HTC_EGPIO is not set # CONFIG_HTC_PASIC3 is not set # CONFIG_HTC_I2CPLD is not set # CONFIG_TPS6105X is not set # CONFIG_TPS65010 is not set # CONFIG_TPS6507X is not set # CONFIG_MFD_TPS6586X is not set # CONFIG_TWL4030_CORE is not set # CONFIG_MFD_STMPE is not set # CONFIG_MFD_TC3589X is not set # CONFIG_MFD_TMIO is not set # CONFIG_MFD_T7L66XB is not set # CONFIG_MFD_TC6387XB is not set # CONFIG_MFD_TC6393XB is not set # CONFIG_PMIC_DA903X is not set # CONFIG_PMIC_ADP5520 is not set # CONFIG_MFD_MAX8925 is not set # CONFIG_MFD_MAX8997 is not set # CONFIG_MFD_MAX8998 is not set # CONFIG_MFD_WM8400 is not set # CONFIG_MFD_WM831X_I2C is not set # CONFIG_MFD_WM831X_SPI is not set # CONFIG_MFD_WM8350_I2C is not set # CONFIG_MFD_WM8994 is not set # CONFIG_MFD_PCF50633 is not set # CONFIG_MFD_MC13XXX is not set # CONFIG_ABX500_CORE is not set # CONFIG_EZX_PCAP is not set # CONFIG_MFD_WL1273_CORE is not set # CONFIG_MFD_TPS65910 is not set # CONFIG_REGULATOR is not set # CONFIG_MEDIA_SUPPORT is not set # # Graphics support # # CONFIG_DRM is not set # CONFIG_VGASTATE is not set # CONFIG_VIDEO_OUTPUT_CONTROL is not set # CONFIG_FB is not set # CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Display device support # # CONFIG_DISPLAY_SUPPORT is not set # CONFIG_SOUND is not set CONFIG_HID_SUPPORT=y CONFIG_HID=m CONFIG_HIDRAW=y # # USB Input Devices # CONFIG_USB_HID=m # CONFIG_HID_PID is not set # CONFIG_USB_HIDDEV is not set # # USB HID Boot Protocol drivers # # CONFIG_USB_KBD is not set # CONFIG_USB_MOUSE is not set # # Special HID drivers # # CONFIG_HID_A4TECH is not set # CONFIG_HID_ACRUX is not set # CONFIG_HID_APPLE is not set # CONFIG_HID_BELKIN is not set # CONFIG_HID_CHERRY is not set # CONFIG_HID_CHICONY is not set # CONFIG_HID_CYPRESS is not set # CONFIG_HID_DRAGONRISE is not set # CONFIG_HID_EMS_FF is not set # CONFIG_HID_EZKEY is not set # CONFIG_HID_KEYTOUCH is not set # CONFIG_HID_KYE is not set # CONFIG_HID_UCLOGIC is not set # CONFIG_HID_WALTOP is not set # CONFIG_HID_GYRATION is not set # CONFIG_HID_TWINHAN is not set # CONFIG_HID_KENSINGTON is not set # CONFIG_HID_LCPOWER is not set # CONFIG_HID_LOGITECH is not set # CONFIG_HID_MICROSOFT is not set # CONFIG_HID_MONTEREY is not set # CONFIG_HID_MULTITOUCH is not set # CONFIG_HID_NTRIG is not set # CONFIG_HID_ORTEK is not set # CONFIG_HID_PANTHERLORD is not set # CONFIG_HID_PETALYNX is not set # CONFIG_HID_PICOLCD is not set # CONFIG_HID_QUANTA is not set # CONFIG_HID_ROCCAT is not set # CONFIG_HID_ROCCAT_ARVO is not set # CONFIG_HID_ROCCAT_KONE is not set # CONFIG_HID_ROCCAT_KONEPLUS is not set # CONFIG_HID_ROCCAT_KOVAPLUS is not set # CONFIG_HID_ROCCAT_PYRA is not set # CONFIG_HID_SAMSUNG is not set # CONFIG_HID_SONY is not set # CONFIG_HID_SUNPLUS is not set # CONFIG_HID_GREENASIA is not set # CONFIG_HID_SMARTJOYPLUS is not set # CONFIG_HID_TOPSEED is not set # CONFIG_HID_THRUSTMASTER is not set # CONFIG_HID_ZEROPLUS is not set # CONFIG_HID_ZYDACRON is not set CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_HCD=y # CONFIG_USB_ARCH_HAS_OHCI is not set CONFIG_USB_ARCH_HAS_EHCI=y CONFIG_USB=y # CONFIG_USB_DEBUG is not set CONFIG_USB_ANNOUNCE_NEW_DEVICES=y # # Miscellaneous USB options # # CONFIG_USB_DEVICEFS is not set # CONFIG_USB_DEVICE_CLASS is not set CONFIG_USB_DYNAMIC_MINORS=y # CONFIG_USB_OTG_WHITELIST is not set # CONFIG_USB_OTG_BLACKLIST_HUB is not set # CONFIG_USB_MON is not set # CONFIG_USB_WUSB is not set # CONFIG_USB_WUSB_CBAF is not set # # USB Host Controller Drivers # # CONFIG_USB_C67X00_HCD is not set CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_ROOT_HUB_TT=y CONFIG_USB_EHCI_TT_NEWSCHED=y CONFIG_USB_EHCI_MXC=y # CONFIG_USB_OXU210HP_HCD is not set # CONFIG_USB_ISP116X_HCD is not set # CONFIG_USB_ISP1760_HCD is not set # CONFIG_USB_ISP1362_HCD is not set # CONFIG_USB_SL811_HCD is not set # CONFIG_USB_R8A66597_HCD is not set # CONFIG_USB_HWA_HCD is not set # CONFIG_USB_MUSB_HDRC is not set # # USB Device Class drivers # # CONFIG_USB_ACM is not set # CONFIG_USB_PRINTER is not set # CONFIG_USB_WDM is not set # CONFIG_USB_TMC is not set # # NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may # # # also be needed; see USB_STORAGE Help for more info # CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_DEBUG is not set # CONFIG_USB_STORAGE_REALTEK is not set # CONFIG_USB_STORAGE_DATAFAB is not set # CONFIG_USB_STORAGE_FREECOM is not set # CONFIG_USB_STORAGE_ISD200 is not set # CONFIG_USB_STORAGE_USBAT is not set # CONFIG_USB_STORAGE_SDDR09 is not set # CONFIG_USB_STORAGE_SDDR55 is not set # CONFIG_USB_STORAGE_JUMPSHOT is not set # CONFIG_USB_STORAGE_ALAUDA is not set # CONFIG_USB_STORAGE_KARMA is not set # CONFIG_USB_STORAGE_CYPRESS_ATACB is not set # CONFIG_USB_STORAGE_ENE_UB6250 is not set # CONFIG_USB_UAS is not set # CONFIG_USB_LIBUSUAL is not set # # USB Imaging devices # # CONFIG_USB_MDC800 is not set # CONFIG_USB_MICROTEK is not set # # USB port drivers # CONFIG_USB_SERIAL=m # CONFIG_USB_EZUSB is not set # CONFIG_USB_SERIAL_GENERIC is not set # CONFIG_USB_SERIAL_AIRCABLE is not set # CONFIG_USB_SERIAL_ARK3116 is not set # CONFIG_USB_SERIAL_BELKIN is not set # CONFIG_USB_SERIAL_CH341 is not set # CONFIG_USB_SERIAL_WHITEHEAT is not set # CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set # CONFIG_USB_SERIAL_CP210X is not set # CONFIG_USB_SERIAL_CYPRESS_M8 is not set # CONFIG_USB_SERIAL_EMPEG is not set # CONFIG_USB_SERIAL_FTDI_SIO is not set # CONFIG_USB_SERIAL_FUNSOFT is not set # CONFIG_USB_SERIAL_VISOR is not set # CONFIG_USB_SERIAL_IPAQ is not set # CONFIG_USB_SERIAL_IR is not set # CONFIG_USB_SERIAL_EDGEPORT is not set # CONFIG_USB_SERIAL_EDGEPORT_TI is not set # CONFIG_USB_SERIAL_GARMIN is not set # CONFIG_USB_SERIAL_IPW is not set # CONFIG_USB_SERIAL_IUU is not set # CONFIG_USB_SERIAL_KEYSPAN_PDA is not set # CONFIG_USB_SERIAL_KEYSPAN is not set # CONFIG_USB_SERIAL_KLSI is not set # CONFIG_USB_SERIAL_KOBIL_SCT is not set # CONFIG_USB_SERIAL_MCT_U232 is not set # CONFIG_USB_SERIAL_MOS7720 is not set # CONFIG_USB_SERIAL_MOS7840 is not set # CONFIG_USB_SERIAL_MOTOROLA is not set # CONFIG_USB_SERIAL_NAVMAN is not set # CONFIG_USB_SERIAL_PL2303 is not set # CONFIG_USB_SERIAL_OTI6858 is not set # CONFIG_USB_SERIAL_QCAUX is not set # CONFIG_USB_SERIAL_QUALCOMM is not set # CONFIG_USB_SERIAL_SPCP8X5 is not set # CONFIG_USB_SERIAL_HP4X is not set # CONFIG_USB_SERIAL_SAFE is not set # CONFIG_USB_SERIAL_SIEMENS_MPI is not set # CONFIG_USB_SERIAL_SIERRAWIRELESS is not set # CONFIG_USB_SERIAL_SYMBOL is not set # CONFIG_USB_SERIAL_TI is not set # CONFIG_USB_SERIAL_CYBERJACK is not set # CONFIG_USB_SERIAL_XIRCOM is not set # CONFIG_USB_SERIAL_OPTION is not set # CONFIG_USB_SERIAL_OMNINET is not set # CONFIG_USB_SERIAL_OPTICON is not set # CONFIG_USB_SERIAL_VIVOPAY_SERIAL is not set # CONFIG_USB_SERIAL_ZIO is not set # CONFIG_USB_SERIAL_SSU100 is not set # CONFIG_USB_SERIAL_DEBUG is not set # # USB Miscellaneous drivers # # CONFIG_USB_EMI62 is not set # CONFIG_USB_EMI26 is not set # CONFIG_USB_ADUTUX is not set # CONFIG_USB_SEVSEG is not set # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set # CONFIG_USB_IDMOUSE is not set # CONFIG_USB_FTDI_ELAN is not set # CONFIG_USB_APPLEDISPLAY is not set # CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_LD is not set # CONFIG_USB_TRANCEVIBRATOR is not set # CONFIG_USB_IOWARRIOR is not set # CONFIG_USB_TEST is not set # CONFIG_USB_ISIGHTFW is not set # CONFIG_USB_YUREX is not set # CONFIG_USB_GADGET is not set # # OTG and related infrastructure # CONFIG_USB_OTG_UTILS=y # CONFIG_USB_GPIO_VBUS is not set CONFIG_USB_ULPI=y # CONFIG_NOP_USB_XCEIV is not set # CONFIG_MMC is not set # CONFIG_MEMSTICK is not set CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y # # LED drivers # # CONFIG_LEDS_LM3530 is not set # CONFIG_LEDS_PCA9532 is not set CONFIG_LEDS_GPIO=y CONFIG_LEDS_GPIO_PLATFORM=y # CONFIG_LEDS_LP3944 is not set # CONFIG_LEDS_LP5521 is not set # CONFIG_LEDS_LP5523 is not set # CONFIG_LEDS_PCA955X is not set # CONFIG_LEDS_DAC124S085 is not set # CONFIG_LEDS_BD2802 is not set # CONFIG_LEDS_LT3593 is not set CONFIG_LEDS_TRIGGERS=y # # LED Triggers # CONFIG_LEDS_TRIGGER_TIMER=m CONFIG_LEDS_TRIGGER_HEARTBEAT=m CONFIG_LEDS_TRIGGER_BACKLIGHT=m CONFIG_LEDS_TRIGGER_GPIO=m CONFIG_LEDS_TRIGGER_DEFAULT_ON=m # # iptables trigger is under Netfilter config (LED target) # # CONFIG_NFC_DEVICES is not set # CONFIG_ACCESSIBILITY is not set CONFIG_RTC_LIB=y CONFIG_RTC_CLASS=y CONFIG_RTC_HCTOSYS=y CONFIG_RTC_HCTOSYS_DEVICE="rtc0" # CONFIG_RTC_DEBUG is not set # # RTC interfaces # CONFIG_RTC_INTF_SYSFS=y CONFIG_RTC_INTF_PROC=y CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_INTF_DEV_UIE_EMUL is not set # CONFIG_RTC_DRV_TEST is not set # # I2C RTC drivers # # CONFIG_RTC_DRV_DS1307 is not set # CONFIG_RTC_DRV_DS1374 is not set # CONFIG_RTC_DRV_DS1672 is not set # CONFIG_RTC_DRV_DS3232 is not set # CONFIG_RTC_DRV_MAX6900 is not set # CONFIG_RTC_DRV_RS5C372 is not set # CONFIG_RTC_DRV_ISL1208 is not set # CONFIG_RTC_DRV_ISL12022 is not set # CONFIG_RTC_DRV_X1205 is not set CONFIG_RTC_DRV_PCF8563=y # CONFIG_RTC_DRV_PCF8583 is not set # CONFIG_RTC_DRV_M41T80 is not set # CONFIG_RTC_DRV_BQ32K is not set # CONFIG_RTC_DRV_S35390A is not set # CONFIG_RTC_DRV_FM3130 is not set # CONFIG_RTC_DRV_RX8581 is not set # CONFIG_RTC_DRV_RX8025 is not set # CONFIG_RTC_DRV_EM3027 is not set # CONFIG_RTC_DRV_RV3029C2 is not set # # SPI RTC drivers # # CONFIG_RTC_DRV_M41T93 is not set # CONFIG_RTC_DRV_M41T94 is not set # CONFIG_RTC_DRV_DS1305 is not set # CONFIG_RTC_DRV_DS1390 is not set # CONFIG_RTC_DRV_MAX6902 is not set # CONFIG_RTC_DRV_R9701 is not set # CONFIG_RTC_DRV_RS5C348 is not set # CONFIG_RTC_DRV_DS3234 is not set # CONFIG_RTC_DRV_PCF2123 is not set # # Platform RTC drivers # # CONFIG_RTC_DRV_CMOS is not set # CONFIG_RTC_DRV_DS1286 is not set # CONFIG_RTC_DRV_DS1511 is not set # CONFIG_RTC_DRV_DS1553 is not set # CONFIG_RTC_DRV_DS1742 is not set # CONFIG_RTC_DRV_STK17TA8 is not set # CONFIG_RTC_DRV_M48T86 is not set # CONFIG_RTC_DRV_M48T35 is not set # CONFIG_RTC_DRV_M48T59 is not set # CONFIG_RTC_DRV_MSM6242 is not set CONFIG_RTC_MXC=y # CONFIG_RTC_DRV_BQ4802 is not set # CONFIG_RTC_DRV_RP5C01 is not set # CONFIG_RTC_DRV_V3020 is not set # # on-CPU RTC drivers # CONFIG_DMADEVICES=y # CONFIG_DMADEVICES_DEBUG is not set # # DMA Devices # # CONFIG_DW_DMAC is not set # CONFIG_MX3_IPU is not set # CONFIG_TIMB_DMA is not set CONFIG_IMX_SDMA=m CONFIG_DMA_ENGINE=y # # DMA Clients # # CONFIG_NET_DMA is not set # CONFIG_ASYNC_TX_DMA is not set # CONFIG_DMATEST is not set # CONFIG_AUXDISPLAY is not set # CONFIG_UIO is not set # CONFIG_STAGING is not set CONFIG_CLKDEV_LOOKUP=y CONFIG_CLKSRC_MMIO=y # # File systems # # CONFIG_EXT2_FS is not set # CONFIG_EXT3_FS is not set # CONFIG_EXT4_FS is not set # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set # CONFIG_XFS_FS is not set # CONFIG_BTRFS_FS is not set # CONFIG_NILFS2_FS is not set # CONFIG_FS_POSIX_ACL is not set CONFIG_FILE_LOCKING=y CONFIG_FSNOTIFY=y CONFIG_DNOTIFY=y CONFIG_INOTIFY_USER=y # CONFIG_FANOTIFY is not set # CONFIG_QUOTA is not set # CONFIG_QUOTACTL is not set # CONFIG_AUTOFS4_FS is not set # CONFIG_FUSE_FS is not set # # Caches # # CONFIG_FSCACHE is not set # # CD-ROM/DVD Filesystems # # CONFIG_ISO9660_FS is not set # CONFIG_UDF_FS is not set # # DOS/FAT/NT Filesystems # CONFIG_FAT_FS=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y CONFIG_FAT_DEFAULT_CODEPAGE=437 CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_NTFS_FS is not set # # Pseudo filesystems # CONFIG_PROC_FS=y CONFIG_PROC_SYSCTL=y CONFIG_PROC_PAGE_MONITOR=y CONFIG_SYSFS=y CONFIG_TMPFS=y # CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_TMPFS_XATTR is not set # CONFIG_HUGETLB_PAGE is not set # CONFIG_CONFIGFS_FS is not set CONFIG_MISC_FILESYSTEMS=y # CONFIG_ADFS_FS is not set # CONFIG_AFFS_FS is not set # CONFIG_HFS_FS is not set # CONFIG_HFSPLUS_FS is not set # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set # CONFIG_JFFS2_FS is not set CONFIG_UBIFS_FS=y CONFIG_UBIFS_FS_XATTR=y CONFIG_UBIFS_FS_ADVANCED_COMPR=y CONFIG_UBIFS_FS_LZO=y CONFIG_UBIFS_FS_ZLIB=y # CONFIG_UBIFS_FS_DEBUG is not set # CONFIG_LOGFS is not set # CONFIG_CRAMFS is not set # CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_OMFS_FS is not set # CONFIG_HPFS_FS is not set # CONFIG_QNX4FS_FS is not set # CONFIG_ROMFS_FS is not set # CONFIG_PSTORE is not set # CONFIG_SYSV_FS is not set # CONFIG_UFS_FS is not set # CONFIG_NETWORK_FILESYSTEMS is not set # # Partition Types # # CONFIG_PARTITION_ADVANCED is not set CONFIG_MSDOS_PARTITION=y CONFIG_NLS=y CONFIG_NLS_DEFAULT="iso8859-1" CONFIG_NLS_CODEPAGE_437=m # CONFIG_NLS_CODEPAGE_737 is not set # CONFIG_NLS_CODEPAGE_775 is not set CONFIG_NLS_CODEPAGE_850=m # CONFIG_NLS_CODEPAGE_852 is not set # CONFIG_NLS_CODEPAGE_855 is not set # CONFIG_NLS_CODEPAGE_857 is not set # CONFIG_NLS_CODEPAGE_860 is not set # CONFIG_NLS_CODEPAGE_861 is not set # CONFIG_NLS_CODEPAGE_862 is not set # CONFIG_NLS_CODEPAGE_863 is not set # CONFIG_NLS_CODEPAGE_864 is not set # CONFIG_NLS_CODEPAGE_865 is not set # CONFIG_NLS_CODEPAGE_866 is not set # CONFIG_NLS_CODEPAGE_869 is not set # CONFIG_NLS_CODEPAGE_936 is not set # CONFIG_NLS_CODEPAGE_950 is not set # CONFIG_NLS_CODEPAGE_932 is not set # CONFIG_NLS_CODEPAGE_949 is not set # CONFIG_NLS_CODEPAGE_874 is not set # CONFIG_NLS_ISO8859_8 is not set # CONFIG_NLS_CODEPAGE_1250 is not set # CONFIG_NLS_CODEPAGE_1251 is not set CONFIG_NLS_ASCII=m CONFIG_NLS_ISO8859_1=m # CONFIG_NLS_ISO8859_2 is not set # CONFIG_NLS_ISO8859_3 is not set # CONFIG_NLS_ISO8859_4 is not set # CONFIG_NLS_ISO8859_5 is not set # CONFIG_NLS_ISO8859_6 is not set # CONFIG_NLS_ISO8859_7 is not set # CONFIG_NLS_ISO8859_9 is not set # CONFIG_NLS_ISO8859_13 is not set # CONFIG_NLS_ISO8859_14 is not set CONFIG_NLS_ISO8859_15=m # CONFIG_NLS_KOI8_R is not set # CONFIG_NLS_KOI8_U is not set CONFIG_NLS_UTF8=m # # Kernel hacking # # CONFIG_PRINTK_TIME is not set CONFIG_DEFAULT_MESSAGE_LOGLEVEL=4 CONFIG_ENABLE_WARN_DEPRECATED=y CONFIG_ENABLE_MUST_CHECK=y CONFIG_FRAME_WARN=1024 CONFIG_MAGIC_SYSRQ=y # CONFIG_STRIP_ASM_SYMS is not set # CONFIG_UNUSED_SYMBOLS is not set CONFIG_DEBUG_FS=y # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_SECTION_MISMATCH is not set CONFIG_DEBUG_KERNEL=y # CONFIG_LOCKUP_DETECTOR is not set # CONFIG_HARDLOCKUP_DETECTOR is not set # CONFIG_DETECT_HUNG_TASK is not set CONFIG_SCHED_DEBUG=y # CONFIG_SCHEDSTATS is not set # CONFIG_TIMER_STATS is not set # CONFIG_DEBUG_OBJECTS is not set # CONFIG_DEBUG_SLAB is not set # CONFIG_DEBUG_KMEMLEAK is not set CONFIG_DEBUG_PREEMPT=y # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_RT_MUTEX_TESTER is not set # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_MUTEXES is not set # CONFIG_DEBUG_LOCK_ALLOC is not set # CONFIG_PROVE_LOCKING is not set # CONFIG_SPARSE_RCU_POINTER is not set # CONFIG_LOCK_STAT is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_WRITECOUNT is not set # CONFIG_DEBUG_MEMORY_INIT is not set # CONFIG_DEBUG_LIST is not set # CONFIG_TEST_LIST_SORT is not set # CONFIG_DEBUG_SG is not set # CONFIG_DEBUG_NOTIFIERS is not set # CONFIG_DEBUG_CREDENTIALS is not set CONFIG_FRAME_POINTER=y # CONFIG_BOOT_PRINTK_DELAY is not set # CONFIG_RCU_TORTURE_TEST is not set CONFIG_RCU_CPU_STALL_TIMEOUT=60 # CONFIG_RCU_CPU_STALL_VERBOSE is not set # CONFIG_BACKTRACE_SELF_TEST is not set # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set # CONFIG_LKDTM is not set # CONFIG_FAULT_INJECTION is not set # CONFIG_LATENCYTOP is not set # CONFIG_SYSCTL_SYSCALL_CHECK is not set # CONFIG_DEBUG_PAGEALLOC is not set CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y CONFIG_HAVE_DYNAMIC_FTRACE=y CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y CONFIG_HAVE_C_RECORDMCOUNT=y CONFIG_TRACING_SUPPORT=y # CONFIG_FTRACE is not set # CONFIG_DYNAMIC_DEBUG is not set # CONFIG_DMA_API_DEBUG is not set # CONFIG_ATOMIC64_SELFTEST is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set # CONFIG_TEST_KSTRTOX is not set # CONFIG_STRICT_DEVMEM is not set # CONFIG_ARM_UNWIND is not set # CONFIG_DEBUG_USER is not set # CONFIG_DEBUG_LL is not set # CONFIG_OC_ETM is not set # # Security options # # CONFIG_KEYS is not set # CONFIG_SECURITY_DMESG_RESTRICT is not set # CONFIG_SECURITY is not set # CONFIG_SECURITYFS is not set CONFIG_DEFAULT_SECURITY_DAC=y CONFIG_DEFAULT_SECURITY="" CONFIG_CRYPTO=y # # Crypto core or helper # CONFIG_CRYPTO_ALGAPI=y CONFIG_CRYPTO_ALGAPI2=y CONFIG_CRYPTO_AEAD2=y CONFIG_CRYPTO_BLKCIPHER=y CONFIG_CRYPTO_BLKCIPHER2=y CONFIG_CRYPTO_HASH=y CONFIG_CRYPTO_HASH2=y CONFIG_CRYPTO_RNG2=y CONFIG_CRYPTO_PCOMP=m CONFIG_CRYPTO_PCOMP2=y CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_MANAGER2=y CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y # CONFIG_CRYPTO_GF128MUL is not set # CONFIG_CRYPTO_NULL is not set CONFIG_CRYPTO_WORKQUEUE=y # CONFIG_CRYPTO_CRYPTD is not set # CONFIG_CRYPTO_AUTHENC is not set # CONFIG_CRYPTO_TEST is not set # # Authenticated Encryption with Associated Data # # CONFIG_CRYPTO_CCM is not set # CONFIG_CRYPTO_GCM is not set # CONFIG_CRYPTO_SEQIV is not set # # Block modes # CONFIG_CRYPTO_CBC=y # CONFIG_CRYPTO_CTR is not set # CONFIG_CRYPTO_CTS is not set # CONFIG_CRYPTO_ECB is not set # CONFIG_CRYPTO_LRW is not set # CONFIG_CRYPTO_PCBC is not set # CONFIG_CRYPTO_XTS is not set # # Hash modes # # CONFIG_CRYPTO_HMAC is not set # CONFIG_CRYPTO_XCBC is not set # CONFIG_CRYPTO_VMAC is not set # # Digest # # CONFIG_CRYPTO_CRC32C is not set # CONFIG_CRYPTO_GHASH is not set # CONFIG_CRYPTO_MD4 is not set CONFIG_CRYPTO_MD5=y # CONFIG_CRYPTO_MICHAEL_MIC is not set # CONFIG_CRYPTO_RMD128 is not set # CONFIG_CRYPTO_RMD160 is not set # CONFIG_CRYPTO_RMD256 is not set # CONFIG_CRYPTO_RMD320 is not set # CONFIG_CRYPTO_SHA1 is not set # CONFIG_CRYPTO_SHA256 is not set # CONFIG_CRYPTO_SHA512 is not set # CONFIG_CRYPTO_TGR192 is not set # CONFIG_CRYPTO_WP512 is not set # # Ciphers # # CONFIG_CRYPTO_AES is not set # CONFIG_CRYPTO_ANUBIS is not set # CONFIG_CRYPTO_ARC4 is not set # CONFIG_CRYPTO_BLOWFISH is not set # CONFIG_CRYPTO_CAMELLIA is not set # CONFIG_CRYPTO_CAST5 is not set # CONFIG_CRYPTO_CAST6 is not set CONFIG_CRYPTO_DES=y # CONFIG_CRYPTO_FCRYPT is not set # CONFIG_CRYPTO_KHAZAD is not set # CONFIG_CRYPTO_SALSA20 is not set # CONFIG_CRYPTO_SEED is not set # CONFIG_CRYPTO_SERPENT is not set # CONFIG_CRYPTO_TEA is not set # CONFIG_CRYPTO_TWOFISH is not set # # Compression # CONFIG_CRYPTO_DEFLATE=y CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=y # # Random Number Generation # # CONFIG_CRYPTO_ANSI_CPRNG is not set # CONFIG_CRYPTO_USER_API_HASH is not set # CONFIG_CRYPTO_USER_API_SKCIPHER is not set CONFIG_CRYPTO_HW=y # CONFIG_BINARY_PRINTF is not set # # Library routines # CONFIG_BITREVERSE=y CONFIG_RATIONAL=y CONFIG_CRC_CCITT=y CONFIG_CRC16=y # CONFIG_CRC_T10DIF is not set # CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y # CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y CONFIG_LZO_COMPRESS=y CONFIG_LZO_DECOMPRESS=y # CONFIG_XZ_DEC is not set # CONFIG_XZ_DEC_BCJ is not set CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y CONFIG_NLATTR=y CONFIG_GENERIC_ATOMIC64=y # CONFIG_AVERAGE is not set ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-11 16:22 ` Tim Sander @ 2011-08-11 16:41 ` Tim Sander 0 siblings, 0 replies; 33+ messages in thread From: Tim Sander @ 2011-08-11 16:41 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users Hi Peter Am Donnerstag, 11. August 2011, 18:22:54 schrieb Tim Sander: > Am Donnerstag, 11. August 2011, 18:14:45 schrieb Peter Zijlstra: > > On Thu, 2011-08-11 at 18:04 +0200, Tim Sander wrote: > > > kernel BUG at kernel/posix-cpu-timers.c:1315! > > > Unable to handle kernel NULL pointer dereference at virtual address > > > 00000000 pgd = c0004000 > > > [00000000] *pgd=00000000 > > > Internal error: Oops: 817 [#1] PREEMPT > > > Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload > > > mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Not tainted > > > (3.0.0-pmx-rt8-00009-g39305ab #167) > > > PC is at __bug+0x24/0x30 > > > LR is at walk_stackframe+0x24/0x40 > > > pc : [<c002cbf0>] lr : [<c002cbb0>] psr: 60000113 > > > sp : c782ff40 ip : c782fe28 fp : c782ff4c > > > r10: 00000001 r9 : 00000000 r8 : c78663c0 > > > r7 : c030463c r6 : c782e000 r5 : 00000000 r4 : c78663c0 > > > r3 : 00000000 r2 : 00000001 r1 : c782fe58 r0 : 00000034 > > > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel > > > Control: 00c5387d Table: 87b70008 DAC: 00000017 > > > Process posixcputmr/0 (pid: 6, stack limit = 0xc782e268) > > > Stack: (0xc782ff40 to 0xc7830000) > > > ff40: c782ff8c c782ff50 c005a5c0 c002cbd8 00000000 c782ff54 c782ff54 > > > 00000000 ff60: 00000000 c78663c0 00000000 c782e000 c030463c c78663c0 > > > 00000000 00000001 ff80: c782ffbc c782ff90 c005a88c c005a594 00000000 > > > c7817f28 00000000 c782ffcc ffa0: c005a800 00000000 00000000 00000000 > > > c782fff4 c782ffc0 c00570f0 c005a80c ffc0: c7817f28 00000000 00000000 > > > 00000000 c782ffd0 c782ffd0 c7817f28 c0057064 ffe0: c0040868 00000013 > > > 00000000 c782fff8 c0040868 c0057070 cccdcd6c ffdec890 Backtrace: > > > [<c002cbcc>] (__bug+0x0/0x30) from [<c005a5c0>] > > > (__run_posix_cpu_timers+0x38/0x278) [<c005a588>] > > > (__run_posix_cpu_timers+0x0/0x278) from [<c005a88c>] > > > (posix_cpu_timers_thread+0x8c/0x124) [<c005a800>] > > > (posix_cpu_timers_thread+0x0/0x124) from [<c00570f0>] > > > (kthread+0x8c/0x94) [<c0057064>] (kthread+0x0/0x94) from [<c0040868>] > > > (do_exit+0x0/0x2d8) > > > > > > r7:00000013 r6:c0040868 r5:c0057064 r4:c7817f28 > > > > > > Code: e59f0010 e1a01003 eb086a88 e3a03000 (e5833000) > > > ---[ end trace d632afeaa11559d4 ]--- > > > > Yay a new one, and this is a PREEMPT_LL build right? /me goes poke at > > it. The last email was wrong, it was INDEED a CONFIG_PREEMPT_LL=y config. I checked the /proc/config.gz file. It is also the rt8 kernel based on the 3.0 (and NOT the 3.0.1) kernel. Will test the stuff on 3.0.1 later or tomorrow. Sorry i just compiled to much kernels today... Best regards Tim Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 @ 2011-08-11 16:41 ` Tim Sander 0 siblings, 0 replies; 33+ messages in thread From: Tim Sander @ 2011-08-11 16:41 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users Hi Peter Am Donnerstag, 11. August 2011, 18:22:54 schrieb Tim Sander: > Am Donnerstag, 11. August 2011, 18:14:45 schrieb Peter Zijlstra: > > On Thu, 2011-08-11 at 18:04 +0200, Tim Sander wrote: > > > kernel BUG at kernel/posix-cpu-timers.c:1315! > > > Unable to handle kernel NULL pointer dereference at virtual address > > > 00000000 pgd = c0004000 > > > [00000000] *pgd=00000000 > > > Internal error: Oops: 817 [#1] PREEMPT > > > Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload > > > mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Not tainted > > > (3.0.0-pmx-rt8-00009-g39305ab #167) > > > PC is at __bug+0x24/0x30 > > > LR is at walk_stackframe+0x24/0x40 > > > pc : [<c002cbf0>] lr : [<c002cbb0>] psr: 60000113 > > > sp : c782ff40 ip : c782fe28 fp : c782ff4c > > > r10: 00000001 r9 : 00000000 r8 : c78663c0 > > > r7 : c030463c r6 : c782e000 r5 : 00000000 r4 : c78663c0 > > > r3 : 00000000 r2 : 00000001 r1 : c782fe58 r0 : 00000034 > > > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel > > > Control: 00c5387d Table: 87b70008 DAC: 00000017 > > > Process posixcputmr/0 (pid: 6, stack limit = 0xc782e268) > > > Stack: (0xc782ff40 to 0xc7830000) > > > ff40: c782ff8c c782ff50 c005a5c0 c002cbd8 00000000 c782ff54 c782ff54 > > > 00000000 ff60: 00000000 c78663c0 00000000 c782e000 c030463c c78663c0 > > > 00000000 00000001 ff80: c782ffbc c782ff90 c005a88c c005a594 00000000 > > > c7817f28 00000000 c782ffcc ffa0: c005a800 00000000 00000000 00000000 > > > c782fff4 c782ffc0 c00570f0 c005a80c ffc0: c7817f28 00000000 00000000 > > > 00000000 c782ffd0 c782ffd0 c7817f28 c0057064 ffe0: c0040868 00000013 > > > 00000000 c782fff8 c0040868 c0057070 cccdcd6c ffdec890 Backtrace: > > > [<c002cbcc>] (__bug+0x0/0x30) from [<c005a5c0>] > > > (__run_posix_cpu_timers+0x38/0x278) [<c005a588>] > > > (__run_posix_cpu_timers+0x0/0x278) from [<c005a88c>] > > > (posix_cpu_timers_thread+0x8c/0x124) [<c005a800>] > > > (posix_cpu_timers_thread+0x0/0x124) from [<c00570f0>] > > > (kthread+0x8c/0x94) [<c0057064>] (kthread+0x0/0x94) from [<c0040868>] > > > (do_exit+0x0/0x2d8) > > > > > > r7:00000013 r6:c0040868 r5:c0057064 r4:c7817f28 > > > > > > Code: e59f0010 e1a01003 eb086a88 e3a03000 (e5833000) > > > ---[ end trace d632afeaa11559d4 ]--- > > > > Yay a new one, and this is a PREEMPT_LL build right? /me goes poke at > > it. The last email was wrong, it was INDEED a CONFIG_PREEMPT_LL=y config. I checked the /proc/config.gz file. It is also the rt8 kernel based on the 3.0 (and NOT the 3.0.1) kernel. Will test the stuff on 3.0.1 later or tomorrow. Sorry i just compiled to much kernels today... Best regards Tim Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-11 16:04 ` Tim Sander (?) (?) @ 2011-08-11 16:39 ` Peter Zijlstra 2011-08-11 17:08 ` Tim Sander -1 siblings, 1 reply; 33+ messages in thread From: Peter Zijlstra @ 2011-08-11 16:39 UTC (permalink / raw) To: Tim Sander Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users On Thu, 2011-08-11 at 18:04 +0200, Tim Sander wrote: > Yes it works for CONFIG_PREEMPT_RTB=y and as you say not for > CONFIG_PREEMPT_LL=y. > +++ b/mm/filemap.c > @@ -2040,7 +2040,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page, > char *kaddr; > size_t copied; > > - BUG_ON(!current->pagefault_disabled); > + BUG_ON(!(in_atomic() || current->pagefault_disabled)); Ah, I had hoped that bit would have cured the PREEMPT_LL=y config. But let me untangle that posix_cpu_timer stuff first, maybe that's in the way. ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-11 16:39 ` Peter Zijlstra @ 2011-08-11 17:08 ` Tim Sander 0 siblings, 0 replies; 33+ messages in thread From: Tim Sander @ 2011-08-11 17:08 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users Hi Peter > > Yes it works for CONFIG_PREEMPT_RTB=y and as you say not for > > CONFIG_PREEMPT_LL=y. > > > > +++ b/mm/filemap.c > > @@ -2040,7 +2040,7 @@ size_t iov_iter_copy_from_user_atomic(struct page > > *page, > > > > char *kaddr; > > size_t copied; > > > > - BUG_ON(!current->pagefault_disabled); > > + BUG_ON(!(in_atomic() || current->pagefault_disabled)); > > Ah, I had hoped that bit would have cured the PREEMPT_LL=y config. As stated in the other mail, it was really PREEMPT_LL=y. I hope my error didn't cause you any extra work. > But let me untangle that posix_cpu_timer stuff first, maybe that's in > the way. Which *is* visible by CONFIG_PREEMPT_LL. I just tested 3.0.1 with rt8 patch + the ones i mailed in this thread in both configurations. I can confirm that CONFIG_PREEMPT_RTB=y doesn't show any bugs and CONFIG_PREEMPT_LL shows the following bug: kernel BUG at kernel/posix-cpu-timers.c:1315! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c0004000 [00000000] *pgd=00000000 Internal error: Oops: 817 [#1] PREEMPT Modules linked in: af_packet i2c_imx(+) netx netx_reset dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Not tainted (3.0.1-pmx-rt8 #2) PC is at __bug+0x24/0x30 LR is at walk_stackframe+0x24/0x40 pc : [<c002cbf0>] lr : [<c002cbb0>] psr: 60000113 sp : c782ff40 ip : c782fe28 fp : c782ff4c r10: 00000001 r9 : 00000000 r8 : c78b2180 r7 : c030463c r6 : c782e000 r5 : 00000000 r4 : c78b2180 r3 : 00000000 r2 : 00000001 r1 : c782fe58 r0 : 00000034 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel Control: 00c5387d Table: 87b84008 DAC: 00000017 Process posixcputmr/0 (pid: 6, stack limit = 0xc782e268) Stack: (0xc782ff40 to 0xc7830000) ff40: c782ff8c c782ff50 c005a5c0 c002cbd8 00000000 c782ff54 c782ff54 00000000 ff60: 00000000 c78b2180 00000000 c782e000 c030463c c78b2180 00000000 00000001 ff80: c782ffbc c782ff90 c005a88c c005a594 00000000 c7817f28 00000000 c782ffcc ffa0: c005a800 00000000 00000000 00000000 c782fff4 c782ffc0 c00570f0 c005a80c ffc0: c7817f28 00000000 00000000 00000000 c782ffd0 c782ffd0 c7817f28 c0057064 ffe0: c0040868 00000013 00000000 c782fff8 c0040868 c0057070 cccdcd6c ffdec890 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c005a5c0>] (__run_posix_cpu_timers+0x38/0x278) [<c005a588>] (__run_posix_cpu_timers+0x0/0x278) from [<c005a88c>] (posix_cpu_timers_thread+0x8c/0x124) [<c005a800>] (posix_cpu_timers_thread+0x0/0x124) from [<c00570f0>] (kthread+0x8c/0x94) [<c0057064>] (kthread+0x0/0x94) from [<c0040868>] (do_exit+0x0/0x2d8) r7:00000013 r6:c0040868 r5:c0057064 r4:c7817f28 Code: e59f0010 e1a01003 eb086b03 e3a03000 (e5833000) ---[ end trace 09b9f42079c77f6a ]--- Thats enough for me today. Best regards Tim Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 @ 2011-08-11 17:08 ` Tim Sander 0 siblings, 0 replies; 33+ messages in thread From: Tim Sander @ 2011-08-11 17:08 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users Hi Peter > > Yes it works for CONFIG_PREEMPT_RTB=y and as you say not for > > CONFIG_PREEMPT_LL=y. > > > > +++ b/mm/filemap.c > > @@ -2040,7 +2040,7 @@ size_t iov_iter_copy_from_user_atomic(struct page > > *page, > > > > char *kaddr; > > size_t copied; > > > > - BUG_ON(!current->pagefault_disabled); > > + BUG_ON(!(in_atomic() || current->pagefault_disabled)); > > Ah, I had hoped that bit would have cured the PREEMPT_LL=y config. As stated in the other mail, it was really PREEMPT_LL=y. I hope my error didn't cause you any extra work. > But let me untangle that posix_cpu_timer stuff first, maybe that's in > the way. Which *is* visible by CONFIG_PREEMPT_LL. I just tested 3.0.1 with rt8 patch + the ones i mailed in this thread in both configurations. I can confirm that CONFIG_PREEMPT_RTB=y doesn't show any bugs and CONFIG_PREEMPT_LL shows the following bug: kernel BUG at kernel/posix-cpu-timers.c:1315! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c0004000 [00000000] *pgd=00000000 Internal error: Oops: 817 [#1] PREEMPT Modules linked in: af_packet i2c_imx(+) netx netx_reset dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Not tainted (3.0.1-pmx-rt8 #2) PC is at __bug+0x24/0x30 LR is at walk_stackframe+0x24/0x40 pc : [<c002cbf0>] lr : [<c002cbb0>] psr: 60000113 sp : c782ff40 ip : c782fe28 fp : c782ff4c r10: 00000001 r9 : 00000000 r8 : c78b2180 r7 : c030463c r6 : c782e000 r5 : 00000000 r4 : c78b2180 r3 : 00000000 r2 : 00000001 r1 : c782fe58 r0 : 00000034 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel Control: 00c5387d Table: 87b84008 DAC: 00000017 Process posixcputmr/0 (pid: 6, stack limit = 0xc782e268) Stack: (0xc782ff40 to 0xc7830000) ff40: c782ff8c c782ff50 c005a5c0 c002cbd8 00000000 c782ff54 c782ff54 00000000 ff60: 00000000 c78b2180 00000000 c782e000 c030463c c78b2180 00000000 00000001 ff80: c782ffbc c782ff90 c005a88c c005a594 00000000 c7817f28 00000000 c782ffcc ffa0: c005a800 00000000 00000000 00000000 c782fff4 c782ffc0 c00570f0 c005a80c ffc0: c7817f28 00000000 00000000 00000000 c782ffd0 c782ffd0 c7817f28 c0057064 ffe0: c0040868 00000013 00000000 c782fff8 c0040868 c0057070 cccdcd6c ffdec890 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c005a5c0>] (__run_posix_cpu_timers+0x38/0x278) [<c005a588>] (__run_posix_cpu_timers+0x0/0x278) from [<c005a88c>] (posix_cpu_timers_thread+0x8c/0x124) [<c005a800>] (posix_cpu_timers_thread+0x0/0x124) from [<c00570f0>] (kthread+0x8c/0x94) [<c0057064>] (kthread+0x0/0x94) from [<c0040868>] (do_exit+0x0/0x2d8) r7:00000013 r6:c0040868 r5:c0057064 r4:c7817f28 Code: e59f0010 e1a01003 eb086b03 e3a03000 (e5833000) ---[ end trace 09b9f42079c77f6a ]--- Thats enough for me today. Best regards Tim Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-11 16:04 ` Tim Sander @ 2011-08-11 18:05 ` Peter Zijlstra -1 siblings, 0 replies; 33+ messages in thread From: Peter Zijlstra @ 2011-08-11 18:05 UTC (permalink / raw) To: Tim Sander Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users, John Stultz On Thu, 2011-08-11 at 18:14 +0200, Peter Zijlstra wrote: > On Thu, 2011-08-11 at 18:04 +0200, Tim Sander wrote: > > > > kernel BUG at kernel/posix-cpu-timers.c:1315! > > Unable to handle kernel NULL pointer dereference at virtual address 00000000 > > pgd = c0004000 > > [00000000] *pgd=00000000 > > Internal error: Oops: 817 [#1] PREEMPT > > Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc > > CPU: 0 Not tainted (3.0.0-pmx-rt8-00009-g39305ab #167) > > PC is at __bug+0x24/0x30 > > LR is at walk_stackframe+0x24/0x40 > > pc : [<c002cbf0>] lr : [<c002cbb0>] psr: 60000113 > > sp : c782ff40 ip : c782fe28 fp : c782ff4c > > r10: 00000001 r9 : 00000000 r8 : c78663c0 > > r7 : c030463c r6 : c782e000 r5 : 00000000 r4 : c78663c0 > > r3 : 00000000 r2 : 00000001 r1 : c782fe58 r0 : 00000034 > > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel > > Control: 00c5387d Table: 87b70008 DAC: 00000017 > > Process posixcputmr/0 (pid: 6, stack limit = 0xc782e268) > > Stack: (0xc782ff40 to 0xc7830000) > > ff40: c782ff8c c782ff50 c005a5c0 c002cbd8 00000000 c782ff54 c782ff54 00000000 > > ff60: 00000000 c78663c0 00000000 c782e000 c030463c c78663c0 00000000 00000001 > > ff80: c782ffbc c782ff90 c005a88c c005a594 00000000 c7817f28 00000000 c782ffcc > > ffa0: c005a800 00000000 00000000 00000000 c782fff4 c782ffc0 c00570f0 c005a80c > > ffc0: c7817f28 00000000 00000000 00000000 c782ffd0 c782ffd0 c7817f28 c0057064 > > ffe0: c0040868 00000013 00000000 c782fff8 c0040868 c0057070 cccdcd6c ffdec890 > > Backtrace: > > [<c002cbcc>] (__bug+0x0/0x30) from [<c005a5c0>] (__run_posix_cpu_timers+0x38/0x278) > > [<c005a588>] (__run_posix_cpu_timers+0x0/0x278) from [<c005a88c>] (posix_cpu_timers_thread+0x8c/0x124) > > [<c005a800>] (posix_cpu_timers_thread+0x0/0x124) from [<c00570f0>] (kthread+0x8c/0x94) > > [<c0057064>] (kthread+0x0/0x94) from [<c0040868>] (do_exit+0x0/0x2d8) > > r7:00000013 r6:c0040868 r5:c0057064 r4:c7817f28 > > Code: e59f0010 e1a01003 eb086a88 e3a03000 (e5833000) > > ---[ end trace d632afeaa11559d4 ]--- > > Yay a new one, and this is a PREEMPT_LL build right? /me goes poke at > it. --- Subject: posix-cpu-timer: Fixup PREEMPT_LL build From: Peter Zijlstra <a.p.zijlstra@chello.nl> Date: Thu Aug 11 19:18:23 CEST 2011 Cc: john stultz <johnstul@us.ibm.com> Reported-by: Tim Sander <tim.sander@hbm.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> --- include/linux/init_task.h | 8 +++++++- include/linux/sched.h | 2 ++ kernel/fork.c | 2 ++ kernel/posix-cpu-timers.c | 24 ++++++++++++++++-------- 4 files changed, 27 insertions(+), 9 deletions(-) Index: linux-2.6/include/linux/init_task.h =================================================================== --- linux-2.6.orig/include/linux/init_task.h +++ linux-2.6/include/linux/init_task.h @@ -126,6 +126,12 @@ extern struct cred init_cred; # define INIT_PERF_EVENTS(tsk) #endif +#ifdef CONFIG_PREEMPT_RT_BASE +# define INIT_TIMER_LIST .posix_timer_list = NULL, +#else +# define INIT_TIMER_LIST +#endif + /* * INIT_TASK is used to set up the first task table, touch at * your own risk!. Base=0, limit=0x1fffff (=2MB) @@ -179,7 +185,7 @@ extern struct cred init_cred; .fs_excl = ATOMIC_INIT(0), \ .pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \ .timer_slack_ns = 50000, /* 50 usec default slack */ \ - .posix_timer_list = NULL, \ + INIT_TIMER_LIST \ .pids = { \ [PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \ [PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID), \ Index: linux-2.6/include/linux/sched.h =================================================================== --- linux-2.6.orig/include/linux/sched.h +++ linux-2.6/include/linux/sched.h @@ -1364,7 +1364,9 @@ struct task_struct { struct task_cputime cputime_expires; struct list_head cpu_timers[3]; +#ifdef CONFIG_PREEMPT_RT_BASE struct task_struct *posix_timer_list; +#endif /* process credentials */ const struct cred __rcu *real_cred; /* objective and real subjective task Index: linux-2.6/kernel/fork.c =================================================================== --- linux-2.6.orig/kernel/fork.c +++ linux-2.6/kernel/fork.c @@ -1054,7 +1054,9 @@ void mm_init_owner(struct mm_struct *mm, */ static void posix_cpu_timers_init(struct task_struct *tsk) { +#ifdef CONFIG_PREEMPT_RT_BASE tsk->posix_timer_list = NULL; +#endif tsk->cputime_expires.prof_exp = cputime_zero; tsk->cputime_expires.virt_exp = cputime_zero; tsk->cputime_expires.sched_exp = 0; Index: linux-2.6/kernel/posix-cpu-timers.c =================================================================== --- linux-2.6.orig/kernel/posix-cpu-timers.c +++ linux-2.6/kernel/posix-cpu-timers.c @@ -1370,6 +1370,7 @@ static void __run_posix_cpu_timers(struc } } +#ifdef CONFIG_PREEMPT_RT_BASE #include <linux/kthread.h> #include <linux/cpu.h> DEFINE_PER_CPU(struct task_struct *, posix_timer_task); @@ -1532,14 +1533,26 @@ static struct notifier_block __devinitda static int __init posix_cpu_thread_init(void) { - void *cpu = (void *)(long)smp_processor_id(); + void *hcpu = (void *)(long)smp_processor_id(); /* Start one for boot CPU. */ - posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_UP_PREPARE, cpu); - posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_ONLINE, cpu); + unsigned long cpu; + + /* init the per-cpu posix_timer_tasklets */ + for_each_cpu_mask(cpu, cpu_possible_map) + per_cpu(posix_timer_tasklist, cpu) = NULL; + + posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_UP_PREPARE, hcpu); + posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_ONLINE, hcpu); register_cpu_notifier(&posix_cpu_thread_notifier); return 0; } early_initcall(posix_cpu_thread_init); +#else /* CONFIG_PREEMPT_RT_BASE */ +void run_posix_cpu_timers(struct task_struct *tsk) +{ + __run_posix_cpu_timers(tsk); +} +#endif /* CONFIG_PREEMPT_RT_BASE */ /* * Set one of the process-wide special case CPU timers or RLIMIT_CPU. @@ -1789,11 +1802,6 @@ static __init int init_posix_cpu_timers( .timer_create = thread_cpu_timer_create, }; struct timespec ts; - unsigned long cpu; - - /* init the per-cpu posix_timer_tasklets */ - for_each_cpu_mask(cpu, cpu_possible_map) - per_cpu(posix_timer_tasklist, cpu) = NULL; posix_timers_register_clock(CLOCK_PROCESS_CPUTIME_ID, &process); posix_timers_register_clock(CLOCK_THREAD_CPUTIME_ID, &thread); ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 @ 2011-08-11 18:05 ` Peter Zijlstra 0 siblings, 0 replies; 33+ messages in thread From: Peter Zijlstra @ 2011-08-11 18:05 UTC (permalink / raw) To: Tim Sander Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users, John Stultz On Thu, 2011-08-11 at 18:14 +0200, Peter Zijlstra wrote: > On Thu, 2011-08-11 at 18:04 +0200, Tim Sander wrote: > > > > kernel BUG at kernel/posix-cpu-timers.c:1315! > > Unable to handle kernel NULL pointer dereference at virtual address 00000000 > > pgd = c0004000 > > [00000000] *pgd=00000000 > > Internal error: Oops: 817 [#1] PREEMPT > > Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc > > CPU: 0 Not tainted (3.0.0-pmx-rt8-00009-g39305ab #167) > > PC is at __bug+0x24/0x30 > > LR is at walk_stackframe+0x24/0x40 > > pc : [<c002cbf0>] lr : [<c002cbb0>] psr: 60000113 > > sp : c782ff40 ip : c782fe28 fp : c782ff4c > > r10: 00000001 r9 : 00000000 r8 : c78663c0 > > r7 : c030463c r6 : c782e000 r5 : 00000000 r4 : c78663c0 > > r3 : 00000000 r2 : 00000001 r1 : c782fe58 r0 : 00000034 > > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel > > Control: 00c5387d Table: 87b70008 DAC: 00000017 > > Process posixcputmr/0 (pid: 6, stack limit = 0xc782e268) > > Stack: (0xc782ff40 to 0xc7830000) > > ff40: c782ff8c c782ff50 c005a5c0 c002cbd8 00000000 c782ff54 c782ff54 00000000 > > ff60: 00000000 c78663c0 00000000 c782e000 c030463c c78663c0 00000000 00000001 > > ff80: c782ffbc c782ff90 c005a88c c005a594 00000000 c7817f28 00000000 c782ffcc > > ffa0: c005a800 00000000 00000000 00000000 c782fff4 c782ffc0 c00570f0 c005a80c > > ffc0: c7817f28 00000000 00000000 00000000 c782ffd0 c782ffd0 c7817f28 c0057064 > > ffe0: c0040868 00000013 00000000 c782fff8 c0040868 c0057070 cccdcd6c ffdec890 > > Backtrace: > > [<c002cbcc>] (__bug+0x0/0x30) from [<c005a5c0>] (__run_posix_cpu_timers+0x38/0x278) > > [<c005a588>] (__run_posix_cpu_timers+0x0/0x278) from [<c005a88c>] (posix_cpu_timers_thread+0x8c/0x124) > > [<c005a800>] (posix_cpu_timers_thread+0x0/0x124) from [<c00570f0>] (kthread+0x8c/0x94) > > [<c0057064>] (kthread+0x0/0x94) from [<c0040868>] (do_exit+0x0/0x2d8) > > r7:00000013 r6:c0040868 r5:c0057064 r4:c7817f28 > > Code: e59f0010 e1a01003 eb086a88 e3a03000 (e5833000) > > ---[ end trace d632afeaa11559d4 ]--- > > Yay a new one, and this is a PREEMPT_LL build right? /me goes poke at > it. --- Subject: posix-cpu-timer: Fixup PREEMPT_LL build From: Peter Zijlstra <a.p.zijlstra@chello.nl> Date: Thu Aug 11 19:18:23 CEST 2011 Cc: john stultz <johnstul@us.ibm.com> Reported-by: Tim Sander <tim.sander@hbm.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> --- include/linux/init_task.h | 8 +++++++- include/linux/sched.h | 2 ++ kernel/fork.c | 2 ++ kernel/posix-cpu-timers.c | 24 ++++++++++++++++-------- 4 files changed, 27 insertions(+), 9 deletions(-) Index: linux-2.6/include/linux/init_task.h =================================================================== --- linux-2.6.orig/include/linux/init_task.h +++ linux-2.6/include/linux/init_task.h @@ -126,6 +126,12 @@ extern struct cred init_cred; # define INIT_PERF_EVENTS(tsk) #endif +#ifdef CONFIG_PREEMPT_RT_BASE +# define INIT_TIMER_LIST .posix_timer_list = NULL, +#else +# define INIT_TIMER_LIST +#endif + /* * INIT_TASK is used to set up the first task table, touch at * your own risk!. Base=0, limit=0x1fffff (=2MB) @@ -179,7 +185,7 @@ extern struct cred init_cred; .fs_excl = ATOMIC_INIT(0), \ .pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \ .timer_slack_ns = 50000, /* 50 usec default slack */ \ - .posix_timer_list = NULL, \ + INIT_TIMER_LIST \ .pids = { \ [PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \ [PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID), \ Index: linux-2.6/include/linux/sched.h =================================================================== --- linux-2.6.orig/include/linux/sched.h +++ linux-2.6/include/linux/sched.h @@ -1364,7 +1364,9 @@ struct task_struct { struct task_cputime cputime_expires; struct list_head cpu_timers[3]; +#ifdef CONFIG_PREEMPT_RT_BASE struct task_struct *posix_timer_list; +#endif /* process credentials */ const struct cred __rcu *real_cred; /* objective and real subjective task Index: linux-2.6/kernel/fork.c =================================================================== --- linux-2.6.orig/kernel/fork.c +++ linux-2.6/kernel/fork.c @@ -1054,7 +1054,9 @@ void mm_init_owner(struct mm_struct *mm, */ static void posix_cpu_timers_init(struct task_struct *tsk) { +#ifdef CONFIG_PREEMPT_RT_BASE tsk->posix_timer_list = NULL; +#endif tsk->cputime_expires.prof_exp = cputime_zero; tsk->cputime_expires.virt_exp = cputime_zero; tsk->cputime_expires.sched_exp = 0; Index: linux-2.6/kernel/posix-cpu-timers.c =================================================================== --- linux-2.6.orig/kernel/posix-cpu-timers.c +++ linux-2.6/kernel/posix-cpu-timers.c @@ -1370,6 +1370,7 @@ static void __run_posix_cpu_timers(struc } } +#ifdef CONFIG_PREEMPT_RT_BASE #include <linux/kthread.h> #include <linux/cpu.h> DEFINE_PER_CPU(struct task_struct *, posix_timer_task); @@ -1532,14 +1533,26 @@ static struct notifier_block __devinitda static int __init posix_cpu_thread_init(void) { - void *cpu = (void *)(long)smp_processor_id(); + void *hcpu = (void *)(long)smp_processor_id(); /* Start one for boot CPU. */ - posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_UP_PREPARE, cpu); - posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_ONLINE, cpu); + unsigned long cpu; + + /* init the per-cpu posix_timer_tasklets */ + for_each_cpu_mask(cpu, cpu_possible_map) + per_cpu(posix_timer_tasklist, cpu) = NULL; + + posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_UP_PREPARE, hcpu); + posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_ONLINE, hcpu); register_cpu_notifier(&posix_cpu_thread_notifier); return 0; } early_initcall(posix_cpu_thread_init); +#else /* CONFIG_PREEMPT_RT_BASE */ +void run_posix_cpu_timers(struct task_struct *tsk) +{ + __run_posix_cpu_timers(tsk); +} +#endif /* CONFIG_PREEMPT_RT_BASE */ /* * Set one of the process-wide special case CPU timers or RLIMIT_CPU. @@ -1789,11 +1802,6 @@ static __init int init_posix_cpu_timers( .timer_create = thread_cpu_timer_create, }; struct timespec ts; - unsigned long cpu; ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-11 18:05 ` Peter Zijlstra @ 2011-08-12 8:59 ` Tim Sander -1 siblings, 0 replies; 33+ messages in thread From: Tim Sander @ 2011-08-12 8:59 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users, John Stultz Am Donnerstag, 11. August 2011, 20:05:25 schrieb Peter Zijlstra: > On Thu, 2011-08-11 at 18:14 +0200, Peter Zijlstra wrote: > > On Thu, 2011-08-11 at 18:04 +0200, Tim Sander wrote: > > > kernel BUG at kernel/posix-cpu-timers.c:1315! > > > Unable to handle kernel NULL pointer dereference at virtual address > > > 00000000 pgd = c0004000 > > > [00000000] *pgd=00000000 > > > Internal error: Oops: 817 [#1] PREEMPT > > > Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload > > > mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Not tainted > > > (3.0.0-pmx-rt8-00009-g39305ab #167) > > > PC is at __bug+0x24/0x30 > > > LR is at walk_stackframe+0x24/0x40 > > > pc : [<c002cbf0>] lr : [<c002cbb0>] psr: 60000113 > > > sp : c782ff40 ip : c782fe28 fp : c782ff4c > > > r10: 00000001 r9 : 00000000 r8 : c78663c0 > > > r7 : c030463c r6 : c782e000 r5 : 00000000 r4 : c78663c0 > > > r3 : 00000000 r2 : 00000001 r1 : c782fe58 r0 : 00000034 > > > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel > > > Control: 00c5387d Table: 87b70008 DAC: 00000017 > > > Process posixcputmr/0 (pid: 6, stack limit = 0xc782e268) > > > Stack: (0xc782ff40 to 0xc7830000) > > > ff40: c782ff8c c782ff50 c005a5c0 c002cbd8 00000000 c782ff54 c782ff54 > > > 00000000 ff60: 00000000 c78663c0 00000000 c782e000 c030463c c78663c0 > > > 00000000 00000001 ff80: c782ffbc c782ff90 c005a88c c005a594 00000000 > > > c7817f28 00000000 c782ffcc ffa0: c005a800 00000000 00000000 00000000 > > > c782fff4 c782ffc0 c00570f0 c005a80c ffc0: c7817f28 00000000 00000000 > > > 00000000 c782ffd0 c782ffd0 c7817f28 c0057064 ffe0: c0040868 00000013 > > > 00000000 c782fff8 c0040868 c0057070 cccdcd6c ffdec890 Backtrace: > > > [<c002cbcc>] (__bug+0x0/0x30) from [<c005a5c0>] > > > (__run_posix_cpu_timers+0x38/0x278) [<c005a588>] > > > (__run_posix_cpu_timers+0x0/0x278) from [<c005a88c>] > > > (posix_cpu_timers_thread+0x8c/0x124) [<c005a800>] > > > (posix_cpu_timers_thread+0x0/0x124) from [<c00570f0>] > > > (kthread+0x8c/0x94) [<c0057064>] (kthread+0x0/0x94) from [<c0040868>] > > > (do_exit+0x0/0x2d8) > > > > > > r7:00000013 r6:c0040868 r5:c0057064 r4:c7817f28 > > > > > > Code: e59f0010 e1a01003 eb086a88 e3a03000 (e5833000) > > > ---[ end trace d632afeaa11559d4 ]--- > > > > Yay a new one, and this is a PREEMPT_LL build right? /me goes poke at > > it. > > --- > Subject: posix-cpu-timer: Fixup PREEMPT_LL build > Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. From: Peter Zijlstra <a.p.zijlstra@chello.nl> > Date: Thu Aug 11 19:18:23 CEST 2011 > > > Cc: john stultz <johnstul@us.ibm.com> > Reported-by: Tim Sander <tim.sander@hbm.com> > Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Tested-by: Tim Sander <tim.sander@hbm.com> The Bug is gone with CONFIG_PREEMPT_LL=y and the patch below. > --- > include/linux/init_task.h | 8 +++++++- > include/linux/sched.h | 2 ++ > kernel/fork.c | 2 ++ > kernel/posix-cpu-timers.c | 24 ++++++++++++++++-------- > 4 files changed, 27 insertions(+), 9 deletions(-) > > Index: linux-2.6/include/linux/init_task.h > =================================================================== > --- linux-2.6.orig/include/linux/init_task.h > +++ linux-2.6/include/linux/init_task.h > @@ -126,6 +126,12 @@ extern struct cred init_cred; > # define INIT_PERF_EVENTS(tsk) > #endif > > +#ifdef CONFIG_PREEMPT_RT_BASE > +# define INIT_TIMER_LIST .posix_timer_list = NULL, > +#else > +# define INIT_TIMER_LIST > +#endif > + > /* > * INIT_TASK is used to set up the first task table, touch at > * your own risk!. Base=0, limit=0x1fffff (=2MB) > @@ -179,7 +185,7 @@ extern struct cred init_cred; > .fs_excl = ATOMIC_INIT(0), \ > .pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \ > .timer_slack_ns = 50000, /* 50 usec default slack */ \ > - .posix_timer_list = NULL, \ > + INIT_TIMER_LIST \ > .pids = { \ > [PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \ > [PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID), \ > Index: linux-2.6/include/linux/sched.h > =================================================================== > --- linux-2.6.orig/include/linux/sched.h > +++ linux-2.6/include/linux/sched.h > @@ -1364,7 +1364,9 @@ struct task_struct { > > struct task_cputime cputime_expires; > struct list_head cpu_timers[3]; > +#ifdef CONFIG_PREEMPT_RT_BASE > struct task_struct *posix_timer_list; > +#endif > > /* process credentials */ > const struct cred __rcu *real_cred; /* objective and real subjective task > Index: linux-2.6/kernel/fork.c > =================================================================== > --- linux-2.6.orig/kernel/fork.c > +++ linux-2.6/kernel/fork.c > @@ -1054,7 +1054,9 @@ void mm_init_owner(struct mm_struct *mm, > */ > static void posix_cpu_timers_init(struct task_struct *tsk) > { > +#ifdef CONFIG_PREEMPT_RT_BASE > tsk->posix_timer_list = NULL; > +#endif > tsk->cputime_expires.prof_exp = cputime_zero; > tsk->cputime_expires.virt_exp = cputime_zero; > tsk->cputime_expires.sched_exp = 0; > Index: linux-2.6/kernel/posix-cpu-timers.c > =================================================================== > --- linux-2.6.orig/kernel/posix-cpu-timers.c > +++ linux-2.6/kernel/posix-cpu-timers.c > @@ -1370,6 +1370,7 @@ static void __run_posix_cpu_timers(struc > } > } > > +#ifdef CONFIG_PREEMPT_RT_BASE > #include <linux/kthread.h> > #include <linux/cpu.h> > DEFINE_PER_CPU(struct task_struct *, posix_timer_task); > @@ -1532,14 +1533,26 @@ static struct notifier_block __devinitda > > static int __init posix_cpu_thread_init(void) > { > - void *cpu = (void *)(long)smp_processor_id(); > + void *hcpu = (void *)(long)smp_processor_id(); > /* Start one for boot CPU. */ > - posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_UP_PREPARE, cpu); > - posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_ONLINE, cpu); > + unsigned long cpu; > + > + /* init the per-cpu posix_timer_tasklets */ > + for_each_cpu_mask(cpu, cpu_possible_map) > + per_cpu(posix_timer_tasklist, cpu) = NULL; > + > + posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_UP_PREPARE, hcpu); > + posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_ONLINE, hcpu); > register_cpu_notifier(&posix_cpu_thread_notifier); > return 0; > } > early_initcall(posix_cpu_thread_init); > +#else /* CONFIG_PREEMPT_RT_BASE */ > +void run_posix_cpu_timers(struct task_struct *tsk) > +{ > + __run_posix_cpu_timers(tsk); > +} > +#endif /* CONFIG_PREEMPT_RT_BASE */ > > /* > * Set one of the process-wide special case CPU timers or RLIMIT_CPU. > @@ -1789,11 +1802,6 @@ static __init int init_posix_cpu_timers( > .timer_create = thread_cpu_timer_create, > }; > struct timespec ts; > - unsigned long cpu; > - > - /* init the per-cpu posix_timer_tasklets */ > - for_each_cpu_mask(cpu, cpu_possible_map) > - per_cpu(posix_timer_tasklist, cpu) = NULL; > > posix_timers_register_clock(CLOCK_PROCESS_CPUTIME_ID, &process); > posix_timers_register_clock(CLOCK_THREAD_CPUTIME_ID, &thread); > > -- Best regards Tim ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 @ 2011-08-12 8:59 ` Tim Sander 0 siblings, 0 replies; 33+ messages in thread From: Tim Sander @ 2011-08-12 8:59 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users, John Stultz Am Donnerstag, 11. August 2011, 20:05:25 schrieb Peter Zijlstra: > On Thu, 2011-08-11 at 18:14 +0200, Peter Zijlstra wrote: > > On Thu, 2011-08-11 at 18:04 +0200, Tim Sander wrote: > > > kernel BUG at kernel/posix-cpu-timers.c:1315! > > > Unable to handle kernel NULL pointer dereference at virtual address > > > 00000000 pgd = c0004000 > > > [00000000] *pgd=00000000 > > > Internal error: Oops: 817 [#1] PREEMPT > > > Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload > > > mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Not tainted > > > (3.0.0-pmx-rt8-00009-g39305ab #167) > > > PC is at __bug+0x24/0x30 > > > LR is at walk_stackframe+0x24/0x40 > > > pc : [<c002cbf0>] lr : [<c002cbb0>] psr: 60000113 > > > sp : c782ff40 ip : c782fe28 fp : c782ff4c > > > r10: 00000001 r9 : 00000000 r8 : c78663c0 > > > r7 : c030463c r6 : c782e000 r5 : 00000000 r4 : c78663c0 > > > r3 : 00000000 r2 : 00000001 r1 : c782fe58 r0 : 00000034 > > > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel > > > Control: 00c5387d Table: 87b70008 DAC: 00000017 > > > Process posixcputmr/0 (pid: 6, stack limit = 0xc782e268) > > > Stack: (0xc782ff40 to 0xc7830000) > > > ff40: c782ff8c c782ff50 c005a5c0 c002cbd8 00000000 c782ff54 c782ff54 > > > 00000000 ff60: 00000000 c78663c0 00000000 c782e000 c030463c c78663c0 > > > 00000000 00000001 ff80: c782ffbc c782ff90 c005a88c c005a594 00000000 > > > c7817f28 00000000 c782ffcc ffa0: c005a800 00000000 00000000 00000000 > > > c782fff4 c782ffc0 c00570f0 c005a80c ffc0: c7817f28 00000000 00000000 > > > 00000000 c782ffd0 c782ffd0 c7817f28 c0057064 ffe0: c0040868 00000013 > > > 00000000 c782fff8 c0040868 c0057070 cccdcd6c ffdec890 Backtrace: > > > [<c002cbcc>] (__bug+0x0/0x30) from [<c005a5c0>] > > > (__run_posix_cpu_timers+0x38/0x278) [<c005a588>] > > > (__run_posix_cpu_timers+0x0/0x278) from [<c005a88c>] > > > (posix_cpu_timers_thread+0x8c/0x124) [<c005a800>] > > > (posix_cpu_timers_thread+0x0/0x124) from [<c00570f0>] > > > (kthread+0x8c/0x94) [<c0057064>] (kthread+0x0/0x94) from [<c0040868>] > > > (do_exit+0x0/0x2d8) > > > > > > r7:00000013 r6:c0040868 r5:c0057064 r4:c7817f28 > > > > > > Code: e59f0010 e1a01003 eb086a88 e3a03000 (e5833000) > > > ---[ end trace d632afeaa11559d4 ]--- > > > > Yay a new one, and this is a PREEMPT_LL build right? /me goes poke at > > it. > > --- > Subject: posix-cpu-timer: Fixup PREEMPT_LL build > Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. From: Peter Zijlstra <a.p.zijlstra@chello.nl> > Date: Thu Aug 11 19:18:23 CEST 2011 > > > Cc: john stultz <johnstul@us.ibm.com> > Reported-by: Tim Sander <tim.sander@hbm.com> > Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Tested-by: Tim Sander <tim.sander@hbm.com> The Bug is gone with CONFIG_PREEMPT_LL=y and the patch below. > --- > include/linux/init_task.h | 8 +++++++- > include/linux/sched.h | 2 ++ > kernel/fork.c | 2 ++ > kernel/posix-cpu-timers.c | 24 ++++++++++++++++-------- > 4 files changed, 27 insertions(+), 9 deletions(-) > > Index: linux-2.6/include/linux/init_task.h > =================================================================== > --- linux-2.6.orig/include/linux/init_task.h > +++ linux-2.6/include/linux/init_task.h > @@ -126,6 +126,12 @@ extern struct cred init_cred; > # define INIT_PERF_EVENTS(tsk) > #endif > > +#ifdef CONFIG_PREEMPT_RT_BASE > +# define INIT_TIMER_LIST .posix_timer_list = NULL, > +#else > +# define INIT_TIMER_LIST > +#endif > + > /* > * INIT_TASK is used to set up the first task table, touch at > * your own risk!. Base=0, limit=0x1fffff (=2MB) > @@ -179,7 +185,7 @@ extern struct cred init_cred; > .fs_excl = ATOMIC_INIT(0), \ > .pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \ > .timer_slack_ns = 50000, /* 50 usec default slack */ \ > - .posix_timer_list = NULL, \ > + INIT_TIMER_LIST \ > .pids = { \ > [PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \ > [PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID), \ > Index: linux-2.6/include/linux/sched.h > =================================================================== > --- linux-2.6.orig/include/linux/sched.h > +++ linux-2.6/include/linux/sched.h > @@ -1364,7 +1364,9 @@ struct task_struct { > > struct task_cputime cputime_expires; > struct list_head cpu_timers[3]; > +#ifdef CONFIG_PREEMPT_RT_BASE > struct task_struct *posix_timer_list; > +#endif > > /* process credentials */ > const struct cred __rcu *real_cred; /* objective and real subjective task > Index: linux-2.6/kernel/fork.c > =================================================================== > --- linux-2.6.orig/kernel/fork.c > +++ linux-2.6/kernel/fork.c > @@ -1054,7 +1054,9 @@ void mm_init_owner(struct mm_struct *mm, > */ > static void posix_cpu_timers_init(struct task_struct *tsk) > { > +#ifdef CONFIG_PREEMPT_RT_BASE > tsk->posix_timer_list = NULL; > +#endif > tsk->cputime_expires.prof_exp = cputime_zero; > tsk->cputime_expires.virt_exp = cputime_zero; > tsk->cputime_expires.sched_exp = 0; > Index: linux-2.6/kernel/posix-cpu-timers.c > =================================================================== > --- linux-2.6.orig/kernel/posix-cpu-timers.c > +++ linux-2.6/kernel/posix-cpu-timers.c > @@ -1370,6 +1370,7 @@ static void __run_posix_cpu_timers(struc > } > } > > +#ifdef CONFIG_PREEMPT_RT_BASE > #include <linux/kthread.h> > #include <linux/cpu.h> > DEFINE_PER_CPU(struct task_struct *, posix_timer_task); > @@ -1532,14 +1533,26 @@ static struct notifier_block __devinitda > > static int __init posix_cpu_thread_init(void) > { > - void *cpu = (void *)(long)smp_processor_id(); > + void *hcpu = (void *)(long)smp_processor_id(); > /* Start one for boot CPU. */ > - posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_UP_PREPARE, cpu); > - posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_ONLINE, cpu); > + unsigned long cpu; > + > + /* init the per-cpu posix_timer_tasklets */ > + for_each_cpu_mask(cpu, cpu_possible_map) > + per_cpu(posix_timer_tasklist, cpu) = NULL; > + > + posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_UP_PREPARE, hcpu); > + posix_cpu_thread_call(&posix_cpu_thread_notifier, CPU_ONLINE, hcpu); > register_cpu_notifier(&posix_cpu_thread_notifier); > return 0; > } > early_initcall(posix_cpu_thread_init); > +#else /* CONFIG_PREEMPT_RT_BASE */ > +void run_posix_cpu_timers(struct task_struct *tsk) > +{ > + __run_posix_cpu_timers(tsk); > +} > +#endif /* CONFIG_PREEMPT_RT_BASE */ > > /* > * Set one of the process-wide special case CPU timers or RLIMIT_CPU. > @@ -1789,11 +1802,6 @@ static __init int init_posix_cpu_timers( > .timer_create = thread_cpu_timer_create, > }; > struct timespec ts; > - unsigned long cpu; > - > - /* init the per-cpu posix_timer_tasklets */ > - for_each_cpu_mask(cpu, cpu_possible_map) > - per_cpu(posix_timer_tasklist, cpu) = NULL; > > posix_timers_register_clock(CLOCK_PROCESS_CPUTIME_ID, &process); > posix_timers_register_clock(CLOCK_THREAD_CPUTIME_ID, &thread); > > -- Best regards Tim -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-09 15:13 ` [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 Tim Sander 2011-08-11 9:43 ` Peter Zijlstra @ 2011-08-11 10:45 ` Peter Zijlstra 2011-08-11 15:36 ` Tim Sander 1 sibling, 1 reply; 33+ messages in thread From: Peter Zijlstra @ 2011-08-11 10:45 UTC (permalink / raw) To: Tim Sander Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users On Thu, 2011-08-11 at 11:43 +0200, Peter Zijlstra wrote: > > Right, so I wouldn't know where to start looking on this one. That's > generic code exploding for some reason. How is that related to RTB and > what is RTB to begin with? > > Ah, ok so clue came late and PREEMPT_RTB is basically a half-way house between PREEMPT and PREEMPT_RT (_FULL). It should build and boot but its not actually meant to be used by anybody but the foolhardly developer. Still no clue on how I wrecked things there though, maybe if I wake up more.. ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 2011-08-11 10:45 ` Peter Zijlstra @ 2011-08-11 15:36 ` Tim Sander 0 siblings, 0 replies; 33+ messages in thread From: Tim Sander @ 2011-08-11 15:36 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users Hi Peter > > Right, so I wouldn't know where to start looking on this one. That's > > generic code exploding for some reason. How is that related to RTB and > > what is RTB to begin with? Sorry, the question on the end slipped out of my screen and my attention... It is CONFIG_PREEMPT_RTB=y as you already figured out. > Ah, ok so clue came late and PREEMPT_RTB is basically a half-way house > between PREEMPT and PREEMPT_RT (_FULL). It should build and boot but its > not actually meant to be used by anybody but the foolhardly developer. No, don't dissmiss this option. I am currently testing this stuff on an arm1136jfs with 533Mhz. The CONFIG_PREEMPT_RT _FULL with the softirqs is to slow on this machine to handle a 9.6khz interrupts. I think mainly because of the additional context switch caused by the softirqs. But going to CONFIG_PREEMPT_RTB we are right on the sweet spot for this machine. We observed worst case usermode latencies for 1.2khz and are able to handle 9.6khz hardirq with reasonable cpu load. So the CONFIG_PREEMPT_RTB is the right option for puny systems like arm1136. Annotation: i was interrupted while writing this mail, so the below part is outdated by other mails from you. (https://lkml.org/lkml/2011/8/11/139) ***************** > Still no clue on how I wrecked things there though, maybe if I wake up > more.. I just thought that that it might be some changes in 3.0.1 compared to 3.0 but i noticed that the rt8 patch also cleanly applys against 3.0 and i tested this The butsplat looks very similar to my other bugreports sent today. Starting kernel ... Uncompressing Linux... done, booting the kernel. drivers/rtc/hctosys.c: unable to open rtc device (rtc0) FATAL: Could not load /lib/modules/3.0.0-rt8-00001-gd5b0226/modules.dep: No such file or directory kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7a40000 [00000000] *pgd=87a3e831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#1] PREEMPT Modules linked in: CPU: 0 Not tainted (3.0.0-rt8-00001-gd5b0226 #160) PC is at __bug+0x24/0x30 LR is at vprintk+0x398/0x404 pc : [<c002cbf0>] lr : [<c003e2e8>] psr: 60000013 sp : c7a2dce8 ip : c7a2dc30 fp : c7a2dcf4 r10: c7a62de0 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000008 r5 : c04267e0 r4 : c7a2dd78 r3 : 00000000 r2 : 00000002 r1 : 00000000 r0 : 00000027 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87a40008 DAC: 00000015 Process udevd (pid: 215, stack limit = 0xc7a2c268) Stack: (0xc7a2dce8 to 0xc7a2e000) dce0: c7a2dd14 c7a2dcf8 c0076ab4 c002cbd8 c7a2dd78 c7a797a0 dd00: 00000008 c0252f00 c7a2dd74 c7a2dd18 c0076c34 c0076a7c 00000008 00000000 dd20: c7a2dd44 c7a2dd40 c7a2c000 00000000 00001000 00000000 00000000 00000000 dd40: c7a2dd74 c04267e0 c0041ccc 00000000 00000000 00000000 c7a62de0 c7a2dd78 dd60: 00000000 00000000 c7a2ddac c7a2dd78 c0076d6c c0076b58 c7a2df10 00000001 dd80: 00000000 00000008 00000000 00000000 00000000 c7a62de0 c7a796f0 00000008 dda0: c7a2de3c c7a2ddb0 c0078f68 c0076d1c 00000000 00000000 c7a2ded0 00000008 ddc0: 00000000 c0035100 c7a2ddec c7a2ddd8 c0035100 c002b620 c7a797a0 c7a2ded0 dde0: c7a2df10 c7a2de98 c008ecf4 c0035050 00000000 00000001 c7a2de24 c7a6ade0 de00: 4007f000 00000000 c7a41000 00000008 c7a08860 00000000 c7a62de0 c7a7970c de20: 00000000 c7a2de98 c7a2df10 00000001 c7a2de8c c7a2de40 c007902c c0078b0c de40: c002b614 00000001 91827364 c7a2de4c c7a2de4c c7a2de54 c7a2de54 00000000 de60: c7a2deb4 c7a62de0 c7a2de98 c7a2df70 c7a2df10 fffffdee c7a2c000 00000000 de80: c7a2df3c c7a2de90 c00a184c c0078fc0 00000000 00000000 c014dfec c0035050 dea0: 00000000 00000001 ffffffff c7a62de0 00000000 00000000 00000000 00000000 dec0: c7850c20 c005c3c4 00000000 00000000 00000000 00000000 00000007 4007f000 dee0: 00000008 c7a2dfb0 00000008 becf0378 c7a2dfac c7a2df00 c002420c c002f114 df00: c00242b0 c002f114 c7a2df2c c7a2df18 4007f000 00000008 c7a08898 00000008 df20: c7a62de0 4007f000 c7a2df70 00000008 c7a2df6c c7a2df40 c00a1fa0 c00a17b0 df40: c7a2c000 4007f000 00001000 c7a62de0 4007f000 00000000 00000000 00000008 df60: c7a2dfa4 c7a2df70 c00a2224 c00a1ef0 00000000 00000000 00000022 00000000 df80: ffffffff 00000008 000233d8 4007f000 00000004 c0029c24 00000000 c7a2dfa8 dfa0: c0029aa0 c00a21ec 00000008 000233d8 0000000a 4007f000 00000008 00000000 dfc0: 00000008 000233d8 4007f000 00000004 00000008 00022344 000c42e8 00000001 dfe0: 00000000 becef6e8 40167e0c 401bb21c 60000010 0000000a 00000000 00000000 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000008 r5:c7a797a0 r4:c7a2dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a796f0 r6:c7a62de0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2df70 r6:4007f000 r5:c7a62de0 r4:00000008 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:4007f000 r4:c7a62de0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007f000 r5:000233d8 r4:00000008 Code: e59f0010 e1a01003 eb0874b7 e3a03000 (e5833000) ---[ end trace 849a9799d85b8278 ]--- note: udevd[215] exited with preempt_count 1 BUG: scheduling while atomic: udevd/215/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a2c000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7850c20 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7a2dabc r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00903a0>] (unmap_page_range+0x1c4/0x1dc) [<c00901dc>] (unmap_page_range+0x0/0x1dc) from [<c00908a8>] (unmap_vmas+0x80/0xb0) [<c0090828>] (unmap_vmas+0x0/0xb0) from [<c0094a34>] (exit_mmap+0x12c/0x290) [<c0094908>] (exit_mmap+0x0/0x290) from [<c003b210>] (mmput+0x3c/0xec) r7:c7a08894 r6:00000000 r5:00000000 r4:c7a08860 [<c003b1d4>] (mmput+0x0/0xec) from [<c003f2e8>] (exit_mm+0x150/0x160) r5:c7850c20 r4:c7a08860 [<c003f198>] (exit_mm+0x0/0x160) from [<c0040ab8>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7850c20 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2dca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7850c20 r5:c7a08860 r4:c7a2dca0 r3:c7a2dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2dca0 to 0xc7a2dce8) dca0: 00000027 00000000 00000002 00000000 c7a2dd78 c04267e0 00000008 00000000 dcc0: 00000000 00000000 c7a62de0 c7a2dcf4 c7a2dc30 c7a2dce8 c003e2e8 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a2dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000008 r5:c7a797a0 r4:c7a2dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a796f0 r6:c7a62de0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2df70 r6:4007f000 r5:c7a62de0 r4:00000008 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:4007f000 r4:c7a62de0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007f000 r5:000233d8 r4:00000008 BUG: scheduling while atomic: udevd/215/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a2c000 r5:c0304b38 r4:00000000 r3:20000013 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7850c20 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7818d40 r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00407b8>] (put_files_struct+0x94/0xec) [<c0040724>] (put_files_struct+0x0/0xec) from [<c00408bc>] (exit_files+0x58/0x5c) [<c0040864>] (exit_files+0x0/0x5c) from [<c0040ac8>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7850c20 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2dca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7850c20 r5:c7a08860 r4:c7a2dca0 r3:c7a2dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2dca0 to 0xc7a2dce8) dca0: 00000027 00000000 00000002 00000000 c7a2dd78 c04267e0 00000008 00000000 dcc0: 00000000 00000000 c7a62de0 c7a2dcf4 c7a2dc30 c7a2dce8 c003e2e8 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a2dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000008 r5:c7a797a0 r4:c7a2dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a796f0 r6:c7a62de0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2df70 r6:4007f000 r5:c7a62de0 r4:00000008 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:4007f000 r4:c7a62de0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007f000 r5:000233d8 r4:00000008 BUG: scheduling while atomic: udevd/215/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a2c000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7850c20 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7818d40 r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00407b8>] (put_files_struct+0x94/0xec) [<c0040724>] (put_files_struct+0x0/0xec) from [<c00408bc>] (exit_files+0x58/0x5c) [<c0040864>] (exit_files+0x0/0x5c) from [<c0040ac8>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7850c20 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2dca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7850c20 r5:c7a08860 r4:c7a2dca0 r3:c7a2dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2dca0 to 0xc7a2dce8) dca0: 00000027 00000000 00000002 00000000 c7a2dd78 c04267e0 00000008 00000000 dcc0: 00000000 00000000 c7a62de0 c7a2dcf4 c7a2dc30 c7a2dce8 c003e2e8 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a2dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000008 r5:c7a797a0 r4:c7a2dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a796f0 r6:c7a62de0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2df70 r6:4007f000 r5:c7a62de0 r4:00000008 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:4007f000 r4:c7a62de0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007f000 r5:000233d8 r4:00000008 tim login: BUG: scheduling while atomic: udevd/215/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a2c000 r5:c0304b38 r4:00000000 r3:20000013 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7850c20 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7818d40 r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00407b8>] (put_files_struct+0x94/0xec) [<c0040724>] (put_files_struct+0x0/0xec) from [<c00408bc>] (exit_files+0x58/0x5c) [<c0040864>] (exit_files+0x0/0x5c) from [<c0040ac8>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7850c20 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2dca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7850c20 r5:c7a08860 r4:c7a2dca0 r3:c7a2dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2dca0 to 0xc7a2dce8) dca0: 00000027 00000000 00000002 00000000 c7a2dd78 c04267e0 00000008 00000000 dcc0: 00000000 00000000 c7a62de0 c7a2dcf4 c7a2dc30 c7a2dce8 c003e2e8 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a2dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000008 r5:c7a797a0 r4:c7a2dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a796f0 r6:c7a62de0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2df70 r6:4007f000 r5:c7a62de0 r4:00000008 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:4007f000 r4:c7a62de0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007f000 r5:000233d8 r4:00000008 kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7a84000 [00000000] *pgd=87a6c831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#2] PREEMPT Modules linked in: CPU: 0 Tainted: G D (3.0.0-rt8-00001-gd5b0226 #160) PC is at __bug+0x24/0x30 LR is at vprintk+0x3b4/0x404 pc : [<c002cbf0>] lr : [<c003e304>] psr: 20000013 sp : c7a2bce8 ip : c7a2bc30 fp : c7a2bcf4 r10: c7a62960 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000041 r5 : c0426da0 r4 : c7a2bd78 r3 : 00000000 r2 : 00000002 r1 : 00000001 r0 : 00000027 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87a84008 DAC: 00000015 Process syslogd (pid: 226, stack limit = 0xc7a2a268) Stack: (0xc7a2bce8 to 0xc7a2c000) bce0: c7a2bd14 c7a2bcf8 c0076ab4 c002cbd8 c7a2bd78 c7a79490 bd00: 00000041 c0252f00 c7a2bd74 c7a2bd18 c0076c34 c0076a7c 00000041 00000000 bd20: c7a2bd44 c7a2bd40 c7a2a000 00000000 00001000 00000000 00000000 00000000 bd40: c7a2bd74 c0426da0 c0041ccc 00000000 00000000 00000000 c7a62960 c7a2bd78 bd60: 00000000 00000000 c7a2bdac c7a2bd78 c0076d6c c0076b58 c7a2bf10 00000001 bd80: 00000000 00000041 00000000 00000000 00000000 c7a62960 c7a793e0 00000041 bda0: c7a2be3c c7a2bdb0 c0078f68 c0076d1c 00000000 00000000 c7a2bed0 00000041 bdc0: 00000000 c0057490 ffffffff c7a2a000 c7a2be2c c7a2bde0 c7a79490 c7a2bed0 bde0: c7a2bf10 c7a2be98 00000000 4017c000 00000000 00000001 4017c000 c0427180 be00: c7a2be2c c7a39860 000000b7 00000041 c7a85000 00000000 c7a62960 c7a793fc be20: 00000000 c7a2be98 c7a2bf10 00000001 c7a2be8c c7a2be40 c007902c c0078b0c be40: c002cbb0 c002b5f0 91827364 c7a2be4c c7a2be4c c7a2be54 c7a2be54 00000000 be60: c002b650 c7a62960 c7a2be98 c7a2bf70 c7a2bf10 fffffdee c7a2a000 00000000 be80: c7a2bf3c c7a2be90 c00a184c c0078fc0 00000000 00000000 c7a2bebc c7a2bea8 bea0: 00000000 00000001 ffffffff c7a62960 00000000 00000000 00000000 00000000 bec0: c78673e0 c7a2bed0 00000000 00000000 00000000 00000000 00000000 00000007 bee0: 00000041 4017c200 00000041 00000041 00000000 0006c6f0 c7a2bfac c7a2bf08 bf00: c00242b0 c002f114 00000005 01312d03 0006c458 00000041 00000079 00000041 bf20: c7a62960 0006c458 c7a2bf70 00000041 c7a2bf6c c7a2bf40 c00a1fa0 c00a17b0 bf40: 00000079 00000000 00000010 c7a62960 0006c458 00000000 00000000 00000041 bf60: c7a2bfa4 c7a2bf70 c00a2224 c00a1ef0 00000000 00000000 00000005 00000000 bf80: 00001000 0006b89c 00000041 0006c458 00000004 c0029c24 00000000 c7a2bfa8 bfa0: c0029aa0 c00a21ec 0006b89c 00000041 00000004 0006c458 00000041 00032000 bfc0: 0006b89c 00000041 0006c458 00000004 00000041 00000000 0006c6f0 bee4cbdc bfe0: 00000004 bee4cb30 0000faa4 4017c21c 60000010 00000004 c4dc657c c6c88810 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000041 r5:c7a79490 r4:c7a2bd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a793e0 r6:c7a62960 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7a2bf70 r6:0006c458 r5:c7a62960 r4:00000041 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7a62960 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c Code: e59f0010 e1a01003 eb0874b7 e3a03000 (e5833000) ---[ end trace 849a9799d85b8279 ]--- note: syslogd[226] exited with preempt_count 1 BUG: scheduling while atomic: syslogd/226/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a2a000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c78673e0 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7a2babc r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00903a0>] (unmap_page_range+0x1c4/0x1dc) [<c00901dc>] (unmap_page_range+0x0/0x1dc) from [<c00908a8>] (unmap_vmas+0x80/0xb0) [<c0090828>] (unmap_vmas+0x0/0xb0) from [<c0094a34>] (exit_mmap+0x12c/0x290) [<c0094908>] (exit_mmap+0x0/0x290) from [<c003b210>] (mmput+0x3c/0xec) r7:c7a08bd4 r6:00000000 r5:00000000 r4:c7a08ba0 [<c003b1d4>] (mmput+0x0/0xec) from [<c003f2e8>] (exit_mm+0x150/0x160) r5:c78673e0 r4:c7a08ba0 [<c003f198>] (exit_mm+0x0/0x160) from [<c0040ab8>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c78673e0 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2bca0 r6:c7a08ba0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c78673e0 r5:c7a08ba0 r4:c7a2bca0 r3:c7a2bca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2bca0 to 0xc7a2bce8) bca0: 00000027 00000001 00000002 00000000 c7a2bd78 c0426da0 00000041 00000000 bcc0: 00000000 00000000 c7a62960 c7a2bcf4 c7a2bc30 c7a2bce8 c003e304 c002cbf0 bce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000041 r5:c7a2bcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000041 r5:c7a79490 r4:c7a2bd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a793e0 r6:c7a62960 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7a2bf70 r6:0006c458 r5:c7a62960 r4:00000041 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7a62960 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7a70000 [00000000] *pgd=87a27831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#3] PREEMPT Modules linked in: CPU: 0 Tainted: G D (3.0.0-rt8-00001-gd5b0226 #160) PC is at __bug+0x24/0x30 LR is at vprintk+0x398/0x404 pc : [<c002cbf0>] lr : [<c003e2e8>] psr: 60000013 sp : c7a77ce8 ip : c7a77c30 fp : c7a77cf4 r10: c7a97ca0 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000006 r5 : c0426d60 r4 : c7a77d78 r3 : 00000000 r2 : 00000002 r1 : 00000002 r0 : 00000027 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87a70008 DAC: 00000015 Process ifup (pid: 222, stack limit = 0xc7a76268) Stack: (0xc7a77ce8 to 0xc7a78000) 7ce0: c7a77d14 c7a77cf8 c0076ab4 c002cbd8 c7a77d78 c7a79308 7d00: 00000006 c0252f00 c7a77d74 c7a77d18 c0076c34 c0076a7c 00000006 00000000 7d20: c7a77d44 c7a77d40 c7a76000 00000000 00001000 00000000 00000000 00000000 7d40: c7a77d74 c0426d60 c0041ccc 00000000 00000000 00000000 c7a97ca0 c7a77d78 7d60: 00000000 00000000 c7a77dac c7a77d78 c0076d6c c0076b58 c7a77f10 00000001 7d80: 00000000 00000006 00000000 00000000 00000000 c7a97ca0 c7a79258 00000006 7da0: c7a77e3c c7a77db0 c0078f68 c0076d1c 00000000 00000000 c7a77ed0 00000006 7dc0: 00000000 c0035100 c7a77dec c7a77dd8 c0035100 c002b620 c7a79308 c7a77ed0 7de0: c7a77f10 c7a77e98 c008ecf4 c0035050 00000000 00000001 c7a77e24 c7a39650 7e00: 40092000 00000000 c7a71000 00000006 c7a081e0 00000000 c7a97ca0 c7a79274 7e20: 00000000 c7a77e98 c7a77f10 00000001 c7a77e8c c7a77e40 c007902c c0078b0c 7e40: c002b614 00000001 91827364 c7a77e4c c7a77e4c c7a77e54 c7a77e54 00000000 7e60: c7a77eb4 c7a97ca0 c7a77e98 c7a77f70 c7a77f10 fffffdee c7a76000 00000000 7e80: c7a77f3c c7a77e90 c00a184c c0078fc0 00000000 00000000 c014dfec c0035050 7ea0: 00000000 00000001 ffffffff c7a97ca0 00000000 00000000 00000000 00000000 7ec0: c7899720 c005c3c4 00000000 00000000 00000000 00000000 00000007 40092000 7ee0: 00000006 c7a77fb0 00000006 0006c0d8 c7a77fac c7a77f00 c002420c c002f114 7f00: c00242b0 c002f114 c7a77f2c c7a77f18 40092000 00000006 c7a08218 00000006 7f20: c7a97ca0 40092000 c7a77f70 00000006 c7a77f6c c7a77f40 c00a1fa0 c00a17b0 7f40: c7a76000 40092000 00001000 c7a97ca0 40092000 00000000 00000000 00000006 7f60: c7a77fa4 c7a77f70 c00a2224 c00a1ef0 00000000 00000000 00000022 00000000 7f80: ffffffff 00000006 0006c4c8 40092000 00000004 c0029c24 00000000 c7a77fa8 7fa0: c0029aa0 c00a21ec 00000006 0006c4c8 00000003 40092000 00000006 00000000 7fc0: 00000006 0006c4c8 40092000 00000004 00000006 00000000 000c42e8 00000001 7fe0: 00000000 bebf9c10 40194e0c 401e821c 60000010 00000003 87ffe821 87ffec21 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000006 r5:c7a79308 r4:c7a77d78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000006 r7:c7a79258 r6:c7a97ca0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000006 r7:c7a77f70 r6:40092000 r5:c7a97ca0 r4:00000006 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000006 r7:00000000 r6:00000000 r5:40092000 r4:c7a97ca0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40092000 r5:0006c4c8 r4:00000006 Code: e59f0010 e1a01003 eb0874b7 e3a03000 (e5833000) ---[ end trace 849a9799d85b827a ]--- note: ifup[222] exited with preempt_count 1 BUG: scheduling while atomic: ifup/222/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a76000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7899720 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7a77abc r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00903a0>] (unmap_page_range+0x1c4/0x1dc) [<c00901dc>] (unmap_page_range+0x0/0x1dc) from [<c00908a8>] (unmap_vmas+0x80/0xb0) [<c0090828>] (unmap_vmas+0x0/0xb0) from [<c0094a34>] (exit_mmap+0x12c/0x290) [<c0094908>] (exit_mmap+0x0/0x290) from [<c003b210>] (mmput+0x3c/0xec) r7:c7a08214 r6:00000000 r5:00000000 r4:c7a081e0 [<c003b1d4>] (mmput+0x0/0xec) from [<c003f2e8>] (exit_mm+0x150/0x160) r5:c7899720 r4:c7a081e0 [<c003f198>] (exit_mm+0x0/0x160) from [<c0040ab8>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7899720 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a77ca0 r6:c7a081e0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7899720 r5:c7a081e0 r4:c7a77ca0 r3:c7a77ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a77ca0 to 0xc7a77ce8) 7ca0: 00000027 00000002 00000002 00000000 c7a77d78 c0426d60 00000006 00000000 7cc0: 00000000 00000000 c7a97ca0 c7a77cf4 c7a77c30 c7a77ce8 c003e2e8 c002cbf0 7ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000006 r5:c7a77cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000006 r5:c7a79308 r4:c7a77d78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000006 r7:c7a79258 r6:c7a97ca0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000006 r7:c7a77f70 r6:40092000 r5:c7a97ca0 r4:00000006 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000006 r7:00000000 r6:00000000 r5:40092000 r4:c7a97ca0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40092000 r5:0006c4c8 r4:00000006 BUG: scheduling while atomic: udevd/215/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a2c000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7850c20 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7818d40 r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00407b8>] (put_files_struct+0x94/0xec) [<c0040724>] (put_files_struct+0x0/0xec) from [<c00408bc>] (exit_files+0x58/0x5c) [<c0040864>] (exit_files+0x0/0x5c) from [<c0040ac8>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7850c20 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2dca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7850c20 r5:c7a08860 r4:c7a2dca0 r3:c7a2dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2dca0 to 0xc7a2dce8) dca0: 00000027 00000000 00000002 00000000 c7a2dd78 c04267e0 00000008 00000000 dcc0: 00000000 00000000 c7a62de0 c7a2dcf4 c7a2dc30 c7a2dce8 c003e2e8 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a2dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000008 r5:c7a797a0 r4:c7a2dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a796f0 r6:c7a62de0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2df70 r6:4007f000 r5:c7a62de0 r4:00000008 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:4007f000 r4:c7a62de0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007f000 r5:000233d8 r4:00000008 BUG: scheduling while atomic: udevd/215/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a2c000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7850c20 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7818d40 r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00407b8>] (put_files_struct+0x94/0xec) [<c0040724>] (put_files_struct+0x0/0xec) from [<c00408bc>] (exit_files+0x58/0x5c) [<c0040864>] (exit_files+0x0/0x5c) from [<c0040ac8>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7850c20 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2dca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7850c20 r5:c7a08860 r4:c7a2dca0 r3:c7a2dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2dca0 to 0xc7a2dce8) dca0: 00000027 00000000 00000002 00000000 c7a2dd78 c04267e0 00000008 00000000 dcc0: 00000000 00000000 c7a62de0 c7a2dcf4 c7a2dc30 c7a2dce8 c003e2e8 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a2dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000008 r5:c7a797a0 r4:c7a2dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a796f0 r6:c7a62de0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2df70 r6:4007f000 r5:c7a62de0 r4:00000008 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:4007f000 r4:c7a62de0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007f000 r5:000233d8 r4:00000008 init: udev main process (215) killed by SEGV signal init: udev main process ended, respawning kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7ab4000 [00000000] *pgd=87aa3831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#4] PREEMPT Modules linked in: CPU: 0 Tainted: G D (3.0.0-rt8-00001-gd5b0226 #160) PC is at __bug+0x24/0x30 LR is at vprintk+0x3b4/0x404 pc : [<c002cbf0>] lr : [<c003e304>] psr: 20000013 sp : c7a7dce8 ip : c7a7dc30 fp : c7a7dcf4 r10: c7a9d8c0 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00001000 r5 : c0333980 r4 : c7a7dd78 r3 : 00000000 r2 : 00000002 r1 : 00000003 r0 : 00000027 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87ab4008 DAC: 00000015 Process udevadm (pid: 238, stack limit = 0xc7a7c268) Stack: (0xc7a7dce8 to 0xc7a7e000) dce0: c7a7dd14 c7a7dcf8 c0076ab4 c002cbd8 c7a7dd78 c7aa5f68 dd00: 00001000 c0252f00 c7a7dd74 c7a7dd18 c0076c34 c0076a7c 00001000 00000000 dd20: c7a7dd44 c7a7dd40 c7a7c000 00000000 00001000 00000000 00000000 00000000 dd40: c0035100 c0333980 00000001 00000000 00000000 00000000 c7a9d8c0 c7a7dd78 dd60: 00000000 00000000 c7a7ddac c7a7dd78 c0076d6c c0076b58 c7a7df10 00000001 dd80: 00000000 00001000 00000000 00000000 00000000 c7a9d8c0 c7aa5eb8 00001000 dda0: c7a7de3c c7a7ddb0 c0078f68 c0076d1c 00000000 00000000 c7a7ded0 00001000 ddc0: 00000000 c0426920 c7a7de24 c7a7ddd8 c008e94c c007753c c7aa5f68 c7a7ded0 dde0: c7a7df10 c7a7de98 00000000 bee2bb78 00000004 00000001 c7a7de18 00000001 de00: 00000000 00002000 c74041a0 00001000 c7a7dd28 00000000 c7a9d8c0 c7aa5ed4 de20: 00000000 c7a7de98 c7a7df10 00000001 c7a7de8c c7a7de40 c007902c c0078b0c de40: 000000a0 c7a7df64 91827364 c7a7de4c c7a7de4c c7a7de54 c7a7de54 00000000 de60: bee2b88c c7a9d8c0 c7a7de98 c7a7df70 c7a7df10 fffffdee c7a7c000 00000000 de80: c7a7df3c c7a7de90 c00a184c c0078fc0 00000000 00000000 c014dfec c0035050 dea0: 00000000 00000001 ffffffff c7a9d8c0 00000000 00000000 00000000 00000000 dec0: c7838640 c005c3c4 00000000 00000000 00000000 00000000 00000007 40211080 dee0: 00001000 c7a7dfb0 00001000 00001f60 c7a7dfac c7a7df00 c002420c c002f114 df00: c00242b0 c002f114 c01d95dc c0042b78 40018000 00001000 c7a7de18 00001000 df20: c7a9d8c0 40018000 c7a7df70 00001000 c7a7df6c c7a7df40 c00a1fa0 c00a17b0 df40: c7a7df80 0000004e c0029c24 c7a9d8c0 40018000 00000000 00000000 00001000 df60: c7a7dfa4 c7a7df70 c00a2224 c00a1ef0 00000000 00000000 bee2b8a0 00000000 df80: 00000007 00001000 4022b5c8 40018000 00000004 c0029c24 00000000 c7a7dfa8 dfa0: c0029aa0 c00a21ec 00001000 4022b5c8 00000001 40018000 00001000 00000000 dfc0: 00001000 4022b5c8 40018000 00000004 00001000 0000001c 000c42e8 bee2b864 dfe0: 00000000 bee2b2a8 40166e0c 401ba21c 60000010 00000001 00000000 00000000 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00001000 r5:c7aa5f68 r4:c7a7dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00001000 r7:c7aa5eb8 r6:c7a9d8c0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00001000 r7:c7a7df70 r6:40018000 r5:c7a9d8c0 r4:00001000 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00001000 r7:00000000 r6:00000000 r5:40018000 r4:c7a9d8c0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40018000 r5:4022b5c8 r4:00001000 Code: e59f0010 e1a01003 eb0874b7 e3a03000 (e5833000) ---[ end trace 849a9799d85b827b ]--- note: udevadm[238] exited with preempt_count 1 BUG: scheduling while atomic: udevadm/238/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a7c000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7838640 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7a7dabc r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00903a0>] (unmap_page_range+0x1c4/0x1dc) [<c00901dc>] (unmap_page_range+0x0/0x1dc) from [<c00908a8>] (unmap_vmas+0x80/0xb0) [<c0090828>] (unmap_vmas+0x0/0xb0) from [<c0094a34>] (exit_mmap+0x12c/0x290) [<c0094908>] (exit_mmap+0x0/0x290) from [<c003b210>] (mmput+0x3c/0xec) r7:c7a358b4 r6:00000000 r5:00000000 r4:c7a35880 [<c003b1d4>] (mmput+0x0/0xec) from [<c003f2e8>] (exit_mm+0x150/0x160) r5:c7838640 r4:c7a35880 [<c003f198>] (exit_mm+0x0/0x160) from [<c0040ab8>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7838640 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a7dca0 r6:c7a35880 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7838640 r5:c7a35880 r4:c7a7dca0 r3:c7a7dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a7dca0 to 0xc7a7dce8) dca0: 00000027 00000003 00000002 00000000 c7a7dd78 c0333980 00001000 00000000 dcc0: 00000000 00000000 c7a9d8c0 c7a7dcf4 c7a7dc30 c7a7dce8 c003e304 c002cbf0 dce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00001000 r5:c7a7dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00001000 r5:c7aa5f68 r4:c7a7dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00001000 r7:c7aa5eb8 r6:c7a9d8c0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00001000 r7:c7a7df70 r6:40018000 r5:c7a9d8c0 r4:00001000 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00001000 r7:00000000 r6:00000000 r5:40018000 r4:c7a9d8c0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40018000 r5:4022b5c8 r4:00001000 Segmentation faultinit: syslogd main process (223) terminated with status 139 init: syslogd main process ended, respawning init: networking main process (222) killed by SEGV signal init (339): /proc/339/oom_adj is deprecated, please use /proc/339/oom_score_adj instead. init: ntpclient pre-start process (340) terminated with status 1 init: dbus main process (347) terminated with status 1 init: dbus main process ended, respawning init: Unable to connect to the system bus: Failed to connect to socket /var/run/dbus/system_bus_socket: No such file or directory kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7b4c000 [00000000] *pgd=87ad1831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#5] PREEMPT Modules linked in: CPU: 0 Tainted: G D (3.0.0-rt8-00001-gd5b0226 #160) PC is at __bug+0x24/0x30 LR is at vprintk+0x398/0x404 pc : [<c002cbf0>] lr : [<c003e2e8>] psr: 60000013 sp : c7b95ce8 ip : c7b95c30 fp : c7b95cf4 r10: c7a62ce0 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000004 r5 : c0423580 r4 : c7b95d78 r3 : 00000000 r2 : 00000002 r1 : 00000004 r0 : 00000027 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87b4c008 DAC: 00000015 Process sshd (pid: 358, stack limit = 0xc7b94268) Stack: (0xc7b95ce8 to 0xc7b96000) 5ce0: c7b95d14 c7b95cf8 c0076ab4 c002cbd8 c7b95d78 c7aa5ad0 5d00: 00000004 c0252f00 c7b95d74 c7b95d18 c0076c34 c0076a7c 00000004 00000000 5d20: c7b95d44 c7b95d40 c7b94000 00000000 00001000 00000000 00000000 00000000 5d40: c7b95d74 c0423580 c0041ccc 00000000 00000000 00000000 c7a62ce0 c7b95d78 5d60: 00000000 00000000 c7b95dac c7b95d78 c0076d6c c0076b58 c7b95f10 00000001 5d80: 00000000 00000004 00000000 00000000 00000000 c7a62ce0 c7aa5a20 00000004 5da0: c7b95e3c c7b95db0 c0078f68 c0076d1c 00000000 00000000 c7b95ed0 00000004 5dc0: 00000000 c0035100 c7b95dec c7b95dd8 c0035100 c002b620 c7aa5ad0 c7b95ed0 5de0: c7b95f10 c7b95e98 c008ecf4 c0035050 00000000 00000001 c7b95e24 c7ac31d8 5e00: 40014000 00000000 c7b4d000 00000004 c7a081e0 00000000 c7a62ce0 c7aa5a3c 5e20: 00000000 c7b95e98 c7b95f10 00000001 c7b95e8c c7b95e40 c007902c c0078b0c 5e40: c002b614 00000001 91827364 c7b95e4c c7b95e4c c7b95e54 c7b95e54 00000000 5e60: c7b95eb4 c7a62ce0 c7b95e98 c7b95f70 c7b95f10 fffffdee c7b94000 00000000 5e80: c7b95f3c c7b95e90 c00a184c c0078fc0 00000000 00000000 c014dfec c0035050 5ea0: 00000000 00000001 ffffffff c7a62ce0 00000000 00000000 00000000 00000000 5ec0: c78673e0 c005c3c4 00000000 00000000 00000000 00000000 00000007 40014000 5ee0: 00000004 c7b95fb0 00000004 bee57135 c7b95fac c7b95f00 c002420c c002f114 5f00: c00242b0 c002f114 c7b95f2c c7b95f18 40014000 00000004 c7a08218 00000004 5f20: c7a62ce0 40014000 c7b95f70 00000004 c7b95f6c c7b95f40 c00a1fa0 c00a17b0 5f40: c7b94000 40014000 00001000 c7a62ce0 40014000 00000000 00000000 00000004 5f60: c7b95fa4 c7b95f70 c00a2224 c00a1ef0 00000000 00000000 00000022 00000000 5f80: ffffffff 00000004 0006b7b8 40014000 00000004 c0029c24 00000000 c7b95fa8 5fa0: c0029aa0 c00a21ec 00000004 0006b7b8 00000004 40014000 00000004 00000000 5fc0: 00000004 0006b7b8 40014000 00000004 00000004 00063710 000c42e8 bee57bac 5fe0: 00000000 bee57180 402c2e0c 4031621c 60000010 00000004 c4cc457c c6c88810 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000004 r5:c7aa5ad0 r4:c7b95d78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000004 r7:c7aa5a20 r6:c7a62ce0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000004 r7:c7b95f70 r6:40014000 r5:c7a62ce0 r4:00000004 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000004 r7:00000000 r6:00000000 r5:40014000 r4:c7a62ce0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40014000 r5:0006b7b8 r4:00000004 Code: e59f0010 e1a01003 eb0874b7 e3a03000 (e5833000) ---[ end trace 849a9799d85b827c ]--- note: sshd[358] exited with preempt_count 1 BUG: scheduling while atomic: sshd/358/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7b94000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c78673e0 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7b95abc r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00903a0>] (unmap_page_range+0x1c4/0x1dc) [<c00901dc>] (unmap_page_range+0x0/0x1dc) from [<c00908a8>] (unmap_vmas+0x80/0xb0) [<c0090828>] (unmap_vmas+0x0/0xb0) from [<c0094a34>] (exit_mmap+0x12c/0x290) [<c0094908>] (exit_mmap+0x0/0x290) from [<c003b210>] (mmput+0x3c/0xec) r7:c7a08214 r6:00000000 r5:00000000 r4:c7a081e0 [<c003b1d4>] (mmput+0x0/0xec) from [<c003f2e8>] (exit_mm+0x150/0x160) r5:c78673e0 r4:c7a081e0 [<c003f198>] (exit_mm+0x0/0x160) from [<c0040ab8>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c78673e0 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7b95ca0 r6:c7a081e0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c78673e0 r5:c7a081e0 r4:c7b95ca0 r3:c7b95ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7b95ca0 to 0xc7b95ce8) 5ca0: 00000027 00000004 00000002 00000000 c7b95d78 c0423580 00000004 00000000 5cc0: 00000000 00000000 c7a62ce0 c7b95cf4 c7b95c30 c7b95ce8 c003e2e8 c002cbf0 5ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000004 r5:c7b95cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000004 r5:c7aa5ad0 r4:c7b95d78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000004 r7:c7aa5a20 r6:c7a62ce0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000004 r7:c7b95f70 r6:40014000 r5:c7a62ce0 r4:00000004 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000004 r7:00000000 r6:00000000 r5:40014000 r4:c7a62ce0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40014000 r5:0006b7b8 r4:00000004 init: udevmonitor main process (238) killed by SEGV signal BUG: scheduling while atomic: sshd/358/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7b94000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c78673e0 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c78182c0 r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00407b8>] (put_files_struct+0x94/0xec) [<c0040724>] (put_files_struct+0x0/0xec) from [<c00408bc>] (exit_files+0x58/0x5c) [<c0040864>] (exit_files+0x0/0x5c) from [<c0040ac8>] (do_exit+0x208/0x2d8) r5:0000000b r4:c78673e0 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7b95ca0 r6:c7a081e0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c78673e0 r5:c7a081e0 r4:c7b95ca0 r3:c7b95ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7b95ca0 to 0xc7b95ce8) 5ca0: 00000027 00000004 00000002 00000000 c7b95d78 c0423580 00000004 00000000 5cc0: 00000000 00000000 c7a62ce0 c7b95cf4 c7b95c30 c7b95ce8 c003e2e8 c002cbf0 5ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000004 r5:c7b95cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000004 r5:c7aa5ad0 r4:c7b95d78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000004 r7:c7aa5a20 r6:c7a62ce0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000004 r7:c7b95f70 r6:40014000 r5:c7a62ce0 r4:00000004 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000004 r7:00000000 r6:00000000 r5:40014000 r4:c7a62ce0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40014000 r5:0006b7b8 r4:00000004 kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7bbc000 [00000000] *pgd=87aac831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#6] PREEMPT Modules linked in: CPU: 0 Tainted: G D (3.0.0-rt8-00001-gd5b0226 #160) PC is at __bug+0x24/0x30 LR is at vprintk+0x398/0x404 pc : [<c002cbf0>] lr : [<c003e2e8>] psr: 60000013 sp : c7aedce8 ip : c7aedc30 fp : c7aedcf4 r10: c7a22a40 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000004 r5 : c0334440 r4 : c7aedd78 r3 : 00000000 r2 : 00000002 r1 : 00000005 r0 : 00000027 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87bbc008 DAC: 00000015 Process avahi-daemon (pid: 362, stack limit = 0xc7aec268) Stack: (0xc7aedce8 to 0xc7aee000) dce0: c7aedd14 c7aedcf8 c0076ab4 c002cbd8 c7aedd78 c7aa57c0 dd00: 00000004 c0252f00 c7aedd74 c7aedd18 c0076c34 c0076a7c 00000004 00000000 dd20: c7aedd44 c7aedd40 c7aec000 00000000 00001000 00000000 00000000 00000000 dd40: c7aedd74 c0334440 c0041ccc 00000000 00000000 00000000 c7a22a40 c7aedd78 dd60: 00000000 00000000 c7aeddac c7aedd78 c0076d6c c0076b58 c7aedf10 00000001 dd80: 00000000 00000004 00000000 00000000 00000000 c7a22a40 c7aa5710 00000004 dda0: c7aede3c c7aeddb0 c0078f68 c0076d1c 00000000 00000000 c7aeded0 00000004 ddc0: 00000000 c0422f80 c7aede24 c7aeddd8 c008e94c c007753c c7aa57c0 c7aeded0 dde0: c7aedf10 c7aede98 00000000 00000004 40037000 00000001 c7aede24 c7a94128 de00: 00000004 00000000 c7bbd000 00000004 c7a35880 00000000 c7a22a40 c7aa572c de20: 00000000 c7aede98 c7aedf10 00000001 c7aede8c c7aede40 c007902c c0078b0c de40: c002b614 00000001 91827364 c7aede4c c7aede4c c7aede54 c7aede54 00000000 de60: c7aedeb4 c7a22a40 c7aede98 c7aedf70 c7aedf10 fffffdee c7aec000 00000000 de80: c7aedf3c c7aede90 c00a184c c0078fc0 00000000 00000000 c014dfec c0035050 dea0: 00000000 00000001 ffffffff c7a22a40 00000000 00000000 00000000 00000000 dec0: c7bda940 c005c3c4 00000000 00000000 00000000 00000000 00000007 40037078 dee0: 00000004 c7aedfb0 00000004 40037078 c7aedfac c7aedf00 c002420c c002f114 df00: 00000000 c7001660 c7aedf2c c7aedf18 bea9ab88 00000004 00000000 00000004 df20: c7a22a40 bea9ab88 c7aedf70 00000004 c7aedf6c c7aedf40 c00a1fa0 c00a17b0 df40: 00000000 00000000 00000000 c7a22a40 bea9ab88 00000000 00000000 00000004 df60: c7aedfa4 c7aedf70 c00a2224 c00a1ef0 00000000 00000000 c7aedfa4 00000000 df80: c00b09c0 4003f274 40285a58 00000005 00000004 c0029c24 00000000 c7aedfa8 dfa0: c0029aa0 c00a21ec 4003f274 40285a58 00000005 bea9ab88 00000004 00000000 dfc0: 4003f274 40285a58 00000005 00000004 00019f38 00000004 00000004 00000005 dfe0: 0000003f bea9ab88 40036340 4014aaec 60000010 00000005 00000000 00000000 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000004 r5:c7aa57c0 r4:c7aedd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000004 r7:c7aa5710 r6:c7a22a40 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000004 r7:c7aedf70 r6:bea9ab88 r5:c7a22a40 r4:00000004 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000004 r7:00000000 r6:00000000 r5:bea9ab88 r4:c7a22a40 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:00000005 r5:40285a58 r4:4003f274 Code: e59f0010 e1a01003 eb0874b7 e3a03000 (e5833000) ---[ end trace 849a9799d85b827d ]--- note: avahi-daemon[362] exited with preempt_count 1 BUG: scheduling while atomic: avahi-daemon/362/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7aec000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7bda940 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7aedabc r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00903a0>] (unmap_page_range+0x1c4/0x1dc) [<c00901dc>] (unmap_page_range+0x0/0x1dc) from [<c00908a8>] (unmap_vmas+0x80/0xb0) [<c0090828>] (unmap_vmas+0x0/0xb0) from [<c0094a34>] (exit_mmap+0x12c/0x290) [<c0094908>] (exit_mmap+0x0/0x290) from [<c003b210>] (mmput+0x3c/0xec) r7:c7a358b4 r6:00000000 r5:00000000 r4:c7a35880 [<c003b1d4>] (mmput+0x0/0xec) from [<c003f2e8>] (exit_mm+0x150/0x160) r5:c7bda940 r4:c7a35880 [<c003f198>] (exit_mm+0x0/0x160) from [<c0040ab8>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7bda940 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7aedca0 r6:c7a35880 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7bda940 r5:c7a35880 r4:c7aedca0 r3:c7aedca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7aedca0 to 0xc7aedce8) dca0: 00000027 00000005 00000002 00000000 c7aedd78 c0334440 00000004 00000000 dcc0: 00000000 00000000 c7a22a40 c7aedcf4 c7aedc30 c7aedce8 c003e2e8 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000004 r5:c7aedcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000004 r5:c7aa57c0 r4:c7aedd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000004 r7:c7aa5710 r6:c7a22a40 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000004 r7:c7aedf70 r6:bea9ab88 r5:c7a22a40 r4:00000004 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000004 r7:00000000 r6:00000000 r5:bea9ab88 r4:c7a22a40 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:00000005 r5:40285a58 r4:4003f274 init: syscfgmgr main process (357) killed by ABRT signal init: syscfgmgr main process ended, respawning init: httpdata main process (352) killed by ABRT signal init: httpdata main process ended, respawning init: dbuslistener main process (353) killed by ABRT signal init: dbuslistener main process ended, respawning init: fwconfig main process (354) killed by ABRT signal init: fwconfig main process ended, respawning init: parameter main process (355) killed by ABRT signal init: parameter main process ended, respawning init: storagemanager main process (356) killed by ABRT signal init: storagemanager main process ended, respawning BUG: scheduling while atomic: sshd/358/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7b94000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c78673e0 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c78182c0 r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00407b8>] (put_files_struct+0x94/0xec) [<c0040724>] (put_files_struct+0x0/0xec) from [<c00408bc>] (exit_files+0x58/0x5c) [<c0040864>] (exit_files+0x0/0x5c) from [<c0040ac8>] (do_exit+0x208/0x2d8) r5:0000000b r4:c78673e0 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7b95ca0 r6:c7a081e0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c78673e0 r5:c7a081e0 r4:c7b95ca0 r3:c7b95ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7b95ca0 to 0xc7b95ce8) 5ca0: 00000027 00000004 00000002 00000000 c7b95d78 c0423580 00000004 00000000 5cc0: 00000000 00000000 c7a62ce0 c7b95cf4 c7b95c30 c7b95ce8 c003e2e8 c002cbf0 5ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000004 r5:c7b95cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000004 r5:c7aa5ad0 r4:c7b95d78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000004 r7:c7aa5a20 r6:c7a62ce0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000004 r7:c7b95f70 r6:40014000 r5:c7a62ce0 r4:00000004 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000004 r7:00000000 r6:00000000 r5:40014000 r4:c7a62ce0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40014000 r5:0006b7b8 r4:00000004 init: ssh main process (358) killed by SEGV signal init: ssh main process ended, respawning init: avahi-daemon main process (362) killed by SEGV signal init: avahi-daemon main process ended, respawning init: avahi-daemon main process (374) terminated with status 255 init: avahi-daemon main process ended, respawning Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 @ 2011-08-11 15:36 ` Tim Sander 0 siblings, 0 replies; 33+ messages in thread From: Tim Sander @ 2011-08-11 15:36 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users Hi Peter > > Right, so I wouldn't know where to start looking on this one. That's > > generic code exploding for some reason. How is that related to RTB and > > what is RTB to begin with? Sorry, the question on the end slipped out of my screen and my attention... It is CONFIG_PREEMPT_RTB=y as you already figured out. > Ah, ok so clue came late and PREEMPT_RTB is basically a half-way house > between PREEMPT and PREEMPT_RT (_FULL). It should build and boot but its > not actually meant to be used by anybody but the foolhardly developer. No, don't dissmiss this option. I am currently testing this stuff on an arm1136jfs with 533Mhz. The CONFIG_PREEMPT_RT _FULL with the softirqs is to slow on this machine to handle a 9.6khz interrupts. I think mainly because of the additional context switch caused by the softirqs. But going to CONFIG_PREEMPT_RTB we are right on the sweet spot for this machine. We observed worst case usermode latencies for 1.2khz and are able to handle 9.6khz hardirq with reasonable cpu load. So the CONFIG_PREEMPT_RTB is the right option for puny systems like arm1136. Annotation: i was interrupted while writing this mail, so the below part is outdated by other mails from you. (https://lkml.org/lkml/2011/8/11/139) ***************** > Still no clue on how I wrecked things there though, maybe if I wake up > more.. I just thought that that it might be some changes in 3.0.1 compared to 3.0 but i noticed that the rt8 patch also cleanly applys against 3.0 and i tested this The butsplat looks very similar to my other bugreports sent today. Starting kernel ... Uncompressing Linux... done, booting the kernel. drivers/rtc/hctosys.c: unable to open rtc device (rtc0) FATAL: Could not load /lib/modules/3.0.0-rt8-00001-gd5b0226/modules.dep: No such file or directory kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7a40000 [00000000] *pgd=87a3e831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#1] PREEMPT Modules linked in: CPU: 0 Not tainted (3.0.0-rt8-00001-gd5b0226 #160) PC is at __bug+0x24/0x30 LR is at vprintk+0x398/0x404 pc : [<c002cbf0>] lr : [<c003e2e8>] psr: 60000013 sp : c7a2dce8 ip : c7a2dc30 fp : c7a2dcf4 r10: c7a62de0 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000008 r5 : c04267e0 r4 : c7a2dd78 r3 : 00000000 r2 : 00000002 r1 : 00000000 r0 : 00000027 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87a40008 DAC: 00000015 Process udevd (pid: 215, stack limit = 0xc7a2c268) Stack: (0xc7a2dce8 to 0xc7a2e000) dce0: c7a2dd14 c7a2dcf8 c0076ab4 c002cbd8 c7a2dd78 c7a797a0 dd00: 00000008 c0252f00 c7a2dd74 c7a2dd18 c0076c34 c0076a7c 00000008 00000000 dd20: c7a2dd44 c7a2dd40 c7a2c000 00000000 00001000 00000000 00000000 00000000 dd40: c7a2dd74 c04267e0 c0041ccc 00000000 00000000 00000000 c7a62de0 c7a2dd78 dd60: 00000000 00000000 c7a2ddac c7a2dd78 c0076d6c c0076b58 c7a2df10 00000001 dd80: 00000000 00000008 00000000 00000000 00000000 c7a62de0 c7a796f0 00000008 dda0: c7a2de3c c7a2ddb0 c0078f68 c0076d1c 00000000 00000000 c7a2ded0 00000008 ddc0: 00000000 c0035100 c7a2ddec c7a2ddd8 c0035100 c002b620 c7a797a0 c7a2ded0 dde0: c7a2df10 c7a2de98 c008ecf4 c0035050 00000000 00000001 c7a2de24 c7a6ade0 de00: 4007f000 00000000 c7a41000 00000008 c7a08860 00000000 c7a62de0 c7a7970c de20: 00000000 c7a2de98 c7a2df10 00000001 c7a2de8c c7a2de40 c007902c c0078b0c de40: c002b614 00000001 91827364 c7a2de4c c7a2de4c c7a2de54 c7a2de54 00000000 de60: c7a2deb4 c7a62de0 c7a2de98 c7a2df70 c7a2df10 fffffdee c7a2c000 00000000 de80: c7a2df3c c7a2de90 c00a184c c0078fc0 00000000 00000000 c014dfec c0035050 dea0: 00000000 00000001 ffffffff c7a62de0 00000000 00000000 00000000 00000000 dec0: c7850c20 c005c3c4 00000000 00000000 00000000 00000000 00000007 4007f000 dee0: 00000008 c7a2dfb0 00000008 becf0378 c7a2dfac c7a2df00 c002420c c002f114 df00: c00242b0 c002f114 c7a2df2c c7a2df18 4007f000 00000008 c7a08898 00000008 df20: c7a62de0 4007f000 c7a2df70 00000008 c7a2df6c c7a2df40 c00a1fa0 c00a17b0 df40: c7a2c000 4007f000 00001000 c7a62de0 4007f000 00000000 00000000 00000008 df60: c7a2dfa4 c7a2df70 c00a2224 c00a1ef0 00000000 00000000 00000022 00000000 df80: ffffffff 00000008 000233d8 4007f000 00000004 c0029c24 00000000 c7a2dfa8 dfa0: c0029aa0 c00a21ec 00000008 000233d8 0000000a 4007f000 00000008 00000000 dfc0: 00000008 000233d8 4007f000 00000004 00000008 00022344 000c42e8 00000001 dfe0: 00000000 becef6e8 40167e0c 401bb21c 60000010 0000000a 00000000 00000000 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000008 r5:c7a797a0 r4:c7a2dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a796f0 r6:c7a62de0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2df70 r6:4007f000 r5:c7a62de0 r4:00000008 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:4007f000 r4:c7a62de0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007f000 r5:000233d8 r4:00000008 Code: e59f0010 e1a01003 eb0874b7 e3a03000 (e5833000) ---[ end trace 849a9799d85b8278 ]--- note: udevd[215] exited with preempt_count 1 BUG: scheduling while atomic: udevd/215/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a2c000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7850c20 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7a2dabc r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00903a0>] (unmap_page_range+0x1c4/0x1dc) [<c00901dc>] (unmap_page_range+0x0/0x1dc) from [<c00908a8>] (unmap_vmas+0x80/0xb0) [<c0090828>] (unmap_vmas+0x0/0xb0) from [<c0094a34>] (exit_mmap+0x12c/0x290) [<c0094908>] (exit_mmap+0x0/0x290) from [<c003b210>] (mmput+0x3c/0xec) r7:c7a08894 r6:00000000 r5:00000000 r4:c7a08860 [<c003b1d4>] (mmput+0x0/0xec) from [<c003f2e8>] (exit_mm+0x150/0x160) r5:c7850c20 r4:c7a08860 [<c003f198>] (exit_mm+0x0/0x160) from [<c0040ab8>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7850c20 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2dca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7850c20 r5:c7a08860 r4:c7a2dca0 r3:c7a2dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2dca0 to 0xc7a2dce8) dca0: 00000027 00000000 00000002 00000000 c7a2dd78 c04267e0 00000008 00000000 dcc0: 00000000 00000000 c7a62de0 c7a2dcf4 c7a2dc30 c7a2dce8 c003e2e8 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a2dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000008 r5:c7a797a0 r4:c7a2dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a796f0 r6:c7a62de0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2df70 r6:4007f000 r5:c7a62de0 r4:00000008 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:4007f000 r4:c7a62de0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007f000 r5:000233d8 r4:00000008 BUG: scheduling while atomic: udevd/215/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a2c000 r5:c0304b38 r4:00000000 r3:20000013 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7850c20 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7818d40 r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00407b8>] (put_files_struct+0x94/0xec) [<c0040724>] (put_files_struct+0x0/0xec) from [<c00408bc>] (exit_files+0x58/0x5c) [<c0040864>] (exit_files+0x0/0x5c) from [<c0040ac8>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7850c20 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2dca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7850c20 r5:c7a08860 r4:c7a2dca0 r3:c7a2dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2dca0 to 0xc7a2dce8) dca0: 00000027 00000000 00000002 00000000 c7a2dd78 c04267e0 00000008 00000000 dcc0: 00000000 00000000 c7a62de0 c7a2dcf4 c7a2dc30 c7a2dce8 c003e2e8 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a2dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000008 r5:c7a797a0 r4:c7a2dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a796f0 r6:c7a62de0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2df70 r6:4007f000 r5:c7a62de0 r4:00000008 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:4007f000 r4:c7a62de0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007f000 r5:000233d8 r4:00000008 BUG: scheduling while atomic: udevd/215/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a2c000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7850c20 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7818d40 r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00407b8>] (put_files_struct+0x94/0xec) [<c0040724>] (put_files_struct+0x0/0xec) from [<c00408bc>] (exit_files+0x58/0x5c) [<c0040864>] (exit_files+0x0/0x5c) from [<c0040ac8>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7850c20 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2dca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7850c20 r5:c7a08860 r4:c7a2dca0 r3:c7a2dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2dca0 to 0xc7a2dce8) dca0: 00000027 00000000 00000002 00000000 c7a2dd78 c04267e0 00000008 00000000 dcc0: 00000000 00000000 c7a62de0 c7a2dcf4 c7a2dc30 c7a2dce8 c003e2e8 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a2dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000008 r5:c7a797a0 r4:c7a2dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a796f0 r6:c7a62de0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2df70 r6:4007f000 r5:c7a62de0 r4:00000008 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:4007f000 r4:c7a62de0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007f000 r5:000233d8 r4:00000008 tim login: BUG: scheduling while atomic: udevd/215/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a2c000 r5:c0304b38 r4:00000000 r3:20000013 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7850c20 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7818d40 r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00407b8>] (put_files_struct+0x94/0xec) [<c0040724>] (put_files_struct+0x0/0xec) from [<c00408bc>] (exit_files+0x58/0x5c) [<c0040864>] (exit_files+0x0/0x5c) from [<c0040ac8>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7850c20 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2dca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7850c20 r5:c7a08860 r4:c7a2dca0 r3:c7a2dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2dca0 to 0xc7a2dce8) dca0: 00000027 00000000 00000002 00000000 c7a2dd78 c04267e0 00000008 00000000 dcc0: 00000000 00000000 c7a62de0 c7a2dcf4 c7a2dc30 c7a2dce8 c003e2e8 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a2dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000008 r5:c7a797a0 r4:c7a2dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a796f0 r6:c7a62de0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2df70 r6:4007f000 r5:c7a62de0 r4:00000008 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:4007f000 r4:c7a62de0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007f000 r5:000233d8 r4:00000008 kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7a84000 [00000000] *pgd=87a6c831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#2] PREEMPT Modules linked in: CPU: 0 Tainted: G D (3.0.0-rt8-00001-gd5b0226 #160) PC is at __bug+0x24/0x30 LR is at vprintk+0x3b4/0x404 pc : [<c002cbf0>] lr : [<c003e304>] psr: 20000013 sp : c7a2bce8 ip : c7a2bc30 fp : c7a2bcf4 r10: c7a62960 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000041 r5 : c0426da0 r4 : c7a2bd78 r3 : 00000000 r2 : 00000002 r1 : 00000001 r0 : 00000027 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87a84008 DAC: 00000015 Process syslogd (pid: 226, stack limit = 0xc7a2a268) Stack: (0xc7a2bce8 to 0xc7a2c000) bce0: c7a2bd14 c7a2bcf8 c0076ab4 c002cbd8 c7a2bd78 c7a79490 bd00: 00000041 c0252f00 c7a2bd74 c7a2bd18 c0076c34 c0076a7c 00000041 00000000 bd20: c7a2bd44 c7a2bd40 c7a2a000 00000000 00001000 00000000 00000000 00000000 bd40: c7a2bd74 c0426da0 c0041ccc 00000000 00000000 00000000 c7a62960 c7a2bd78 bd60: 00000000 00000000 c7a2bdac c7a2bd78 c0076d6c c0076b58 c7a2bf10 00000001 bd80: 00000000 00000041 00000000 00000000 00000000 c7a62960 c7a793e0 00000041 bda0: c7a2be3c c7a2bdb0 c0078f68 c0076d1c 00000000 00000000 c7a2bed0 00000041 bdc0: 00000000 c0057490 ffffffff c7a2a000 c7a2be2c c7a2bde0 c7a79490 c7a2bed0 bde0: c7a2bf10 c7a2be98 00000000 4017c000 00000000 00000001 4017c000 c0427180 be00: c7a2be2c c7a39860 000000b7 00000041 c7a85000 00000000 c7a62960 c7a793fc be20: 00000000 c7a2be98 c7a2bf10 00000001 c7a2be8c c7a2be40 c007902c c0078b0c be40: c002cbb0 c002b5f0 91827364 c7a2be4c c7a2be4c c7a2be54 c7a2be54 00000000 be60: c002b650 c7a62960 c7a2be98 c7a2bf70 c7a2bf10 fffffdee c7a2a000 00000000 be80: c7a2bf3c c7a2be90 c00a184c c0078fc0 00000000 00000000 c7a2bebc c7a2bea8 bea0: 00000000 00000001 ffffffff c7a62960 00000000 00000000 00000000 00000000 bec0: c78673e0 c7a2bed0 00000000 00000000 00000000 00000000 00000000 00000007 bee0: 00000041 4017c200 00000041 00000041 00000000 0006c6f0 c7a2bfac c7a2bf08 bf00: c00242b0 c002f114 00000005 01312d03 0006c458 00000041 00000079 00000041 bf20: c7a62960 0006c458 c7a2bf70 00000041 c7a2bf6c c7a2bf40 c00a1fa0 c00a17b0 bf40: 00000079 00000000 00000010 c7a62960 0006c458 00000000 00000000 00000041 bf60: c7a2bfa4 c7a2bf70 c00a2224 c00a1ef0 00000000 00000000 00000005 00000000 bf80: 00001000 0006b89c 00000041 0006c458 00000004 c0029c24 00000000 c7a2bfa8 bfa0: c0029aa0 c00a21ec 0006b89c 00000041 00000004 0006c458 00000041 00032000 bfc0: 0006b89c 00000041 0006c458 00000004 00000041 00000000 0006c6f0 bee4cbdc bfe0: 00000004 bee4cb30 0000faa4 4017c21c 60000010 00000004 c4dc657c c6c88810 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000041 r5:c7a79490 r4:c7a2bd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a793e0 r6:c7a62960 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7a2bf70 r6:0006c458 r5:c7a62960 r4:00000041 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7a62960 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c Code: e59f0010 e1a01003 eb0874b7 e3a03000 (e5833000) ---[ end trace 849a9799d85b8279 ]--- note: syslogd[226] exited with preempt_count 1 BUG: scheduling while atomic: syslogd/226/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a2a000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c78673e0 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7a2babc r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00903a0>] (unmap_page_range+0x1c4/0x1dc) [<c00901dc>] (unmap_page_range+0x0/0x1dc) from [<c00908a8>] (unmap_vmas+0x80/0xb0) [<c0090828>] (unmap_vmas+0x0/0xb0) from [<c0094a34>] (exit_mmap+0x12c/0x290) [<c0094908>] (exit_mmap+0x0/0x290) from [<c003b210>] (mmput+0x3c/0xec) r7:c7a08bd4 r6:00000000 r5:00000000 r4:c7a08ba0 [<c003b1d4>] (mmput+0x0/0xec) from [<c003f2e8>] (exit_mm+0x150/0x160) r5:c78673e0 r4:c7a08ba0 [<c003f198>] (exit_mm+0x0/0x160) from [<c0040ab8>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c78673e0 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2bca0 r6:c7a08ba0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c78673e0 r5:c7a08ba0 r4:c7a2bca0 r3:c7a2bca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2bca0 to 0xc7a2bce8) bca0: 00000027 00000001 00000002 00000000 c7a2bd78 c0426da0 00000041 00000000 bcc0: 00000000 00000000 c7a62960 c7a2bcf4 c7a2bc30 c7a2bce8 c003e304 c002cbf0 bce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00000041 r5:c7a2bcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000041 r5:c7a79490 r4:c7a2bd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000041 r7:c7a793e0 r6:c7a62960 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000041 r7:c7a2bf70 r6:0006c458 r5:c7a62960 r4:00000041 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7a62960 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7a70000 [00000000] *pgd=87a27831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#3] PREEMPT Modules linked in: CPU: 0 Tainted: G D (3.0.0-rt8-00001-gd5b0226 #160) PC is at __bug+0x24/0x30 LR is at vprintk+0x398/0x404 pc : [<c002cbf0>] lr : [<c003e2e8>] psr: 60000013 sp : c7a77ce8 ip : c7a77c30 fp : c7a77cf4 r10: c7a97ca0 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000006 r5 : c0426d60 r4 : c7a77d78 r3 : 00000000 r2 : 00000002 r1 : 00000002 r0 : 00000027 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87a70008 DAC: 00000015 Process ifup (pid: 222, stack limit = 0xc7a76268) Stack: (0xc7a77ce8 to 0xc7a78000) 7ce0: c7a77d14 c7a77cf8 c0076ab4 c002cbd8 c7a77d78 c7a79308 7d00: 00000006 c0252f00 c7a77d74 c7a77d18 c0076c34 c0076a7c 00000006 00000000 7d20: c7a77d44 c7a77d40 c7a76000 00000000 00001000 00000000 00000000 00000000 7d40: c7a77d74 c0426d60 c0041ccc 00000000 00000000 00000000 c7a97ca0 c7a77d78 7d60: 00000000 00000000 c7a77dac c7a77d78 c0076d6c c0076b58 c7a77f10 00000001 7d80: 00000000 00000006 00000000 00000000 00000000 c7a97ca0 c7a79258 00000006 7da0: c7a77e3c c7a77db0 c0078f68 c0076d1c 00000000 00000000 c7a77ed0 00000006 7dc0: 00000000 c0035100 c7a77dec c7a77dd8 c0035100 c002b620 c7a79308 c7a77ed0 7de0: c7a77f10 c7a77e98 c008ecf4 c0035050 00000000 00000001 c7a77e24 c7a39650 7e00: 40092000 00000000 c7a71000 00000006 c7a081e0 00000000 c7a97ca0 c7a79274 7e20: 00000000 c7a77e98 c7a77f10 00000001 c7a77e8c c7a77e40 c007902c c0078b0c 7e40: c002b614 00000001 91827364 c7a77e4c c7a77e4c c7a77e54 c7a77e54 00000000 7e60: c7a77eb4 c7a97ca0 c7a77e98 c7a77f70 c7a77f10 fffffdee c7a76000 00000000 7e80: c7a77f3c c7a77e90 c00a184c c0078fc0 00000000 00000000 c014dfec c0035050 7ea0: 00000000 00000001 ffffffff c7a97ca0 00000000 00000000 00000000 00000000 7ec0: c7899720 c005c3c4 00000000 00000000 00000000 00000000 00000007 40092000 7ee0: 00000006 c7a77fb0 00000006 0006c0d8 c7a77fac c7a77f00 c002420c c002f114 7f00: c00242b0 c002f114 c7a77f2c c7a77f18 40092000 00000006 c7a08218 00000006 7f20: c7a97ca0 40092000 c7a77f70 00000006 c7a77f6c c7a77f40 c00a1fa0 c00a17b0 7f40: c7a76000 40092000 00001000 c7a97ca0 40092000 00000000 00000000 00000006 7f60: c7a77fa4 c7a77f70 c00a2224 c00a1ef0 00000000 00000000 00000022 00000000 7f80: ffffffff 00000006 0006c4c8 40092000 00000004 c0029c24 00000000 c7a77fa8 7fa0: c0029aa0 c00a21ec 00000006 0006c4c8 00000003 40092000 00000006 00000000 7fc0: 00000006 0006c4c8 40092000 00000004 00000006 00000000 000c42e8 00000001 7fe0: 00000000 bebf9c10 40194e0c 401e821c 60000010 00000003 87ffe821 87ffec21 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000006 r5:c7a79308 r4:c7a77d78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000006 r7:c7a79258 r6:c7a97ca0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000006 r7:c7a77f70 r6:40092000 r5:c7a97ca0 r4:00000006 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000006 r7:00000000 r6:00000000 r5:40092000 r4:c7a97ca0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40092000 r5:0006c4c8 r4:00000006 Code: e59f0010 e1a01003 eb0874b7 e3a03000 (e5833000) ---[ end trace 849a9799d85b827a ]--- note: ifup[222] exited with preempt_count 1 BUG: scheduling while atomic: ifup/222/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a76000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7899720 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7a77abc r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00903a0>] (unmap_page_range+0x1c4/0x1dc) [<c00901dc>] (unmap_page_range+0x0/0x1dc) from [<c00908a8>] (unmap_vmas+0x80/0xb0) [<c0090828>] (unmap_vmas+0x0/0xb0) from [<c0094a34>] (exit_mmap+0x12c/0x290) [<c0094908>] (exit_mmap+0x0/0x290) from [<c003b210>] (mmput+0x3c/0xec) r7:c7a08214 r6:00000000 r5:00000000 r4:c7a081e0 [<c003b1d4>] (mmput+0x0/0xec) from [<c003f2e8>] (exit_mm+0x150/0x160) r5:c7899720 r4:c7a081e0 [<c003f198>] (exit_mm+0x0/0x160) from [<c0040ab8>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7899720 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a77ca0 r6:c7a081e0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7899720 r5:c7a081e0 r4:c7a77ca0 r3:c7a77ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a77ca0 to 0xc7a77ce8) 7ca0: 00000027 00000002 00000002 00000000 c7a77d78 c0426d60 00000006 00000000 7cc0: 00000000 00000000 c7a97ca0 c7a77cf4 c7a77c30 c7a77ce8 c003e2e8 c002cbf0 7ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000006 r5:c7a77cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000006 r5:c7a79308 r4:c7a77d78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000006 r7:c7a79258 r6:c7a97ca0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000006 r7:c7a77f70 r6:40092000 r5:c7a97ca0 r4:00000006 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000006 r7:00000000 r6:00000000 r5:40092000 r4:c7a97ca0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40092000 r5:0006c4c8 r4:00000006 BUG: scheduling while atomic: udevd/215/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a2c000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7850c20 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7818d40 r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00407b8>] (put_files_struct+0x94/0xec) [<c0040724>] (put_files_struct+0x0/0xec) from [<c00408bc>] (exit_files+0x58/0x5c) [<c0040864>] (exit_files+0x0/0x5c) from [<c0040ac8>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7850c20 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2dca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7850c20 r5:c7a08860 r4:c7a2dca0 r3:c7a2dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2dca0 to 0xc7a2dce8) dca0: 00000027 00000000 00000002 00000000 c7a2dd78 c04267e0 00000008 00000000 dcc0: 00000000 00000000 c7a62de0 c7a2dcf4 c7a2dc30 c7a2dce8 c003e2e8 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a2dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000008 r5:c7a797a0 r4:c7a2dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a796f0 r6:c7a62de0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2df70 r6:4007f000 r5:c7a62de0 r4:00000008 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:4007f000 r4:c7a62de0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007f000 r5:000233d8 r4:00000008 BUG: scheduling while atomic: udevd/215/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a2c000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7850c20 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7818d40 r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00407b8>] (put_files_struct+0x94/0xec) [<c0040724>] (put_files_struct+0x0/0xec) from [<c00408bc>] (exit_files+0x58/0x5c) [<c0040864>] (exit_files+0x0/0x5c) from [<c0040ac8>] (do_exit+0x208/0x2d8) r5:0000000b r4:c7850c20 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a2dca0 r6:c7a08860 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7850c20 r5:c7a08860 r4:c7a2dca0 r3:c7a2dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a2dca0 to 0xc7a2dce8) dca0: 00000027 00000000 00000002 00000000 c7a2dd78 c04267e0 00000008 00000000 dcc0: 00000000 00000000 c7a62de0 c7a2dcf4 c7a2dc30 c7a2dce8 c003e2e8 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000008 r5:c7a2dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000008 r5:c7a797a0 r4:c7a2dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000008 r7:c7a796f0 r6:c7a62de0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000008 r7:c7a2df70 r6:4007f000 r5:c7a62de0 r4:00000008 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000008 r7:00000000 r6:00000000 r5:4007f000 r4:c7a62de0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:4007f000 r5:000233d8 r4:00000008 init: udev main process (215) killed by SEGV signal init: udev main process ended, respawning kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7ab4000 [00000000] *pgd=87aa3831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#4] PREEMPT Modules linked in: CPU: 0 Tainted: G D (3.0.0-rt8-00001-gd5b0226 #160) PC is at __bug+0x24/0x30 LR is at vprintk+0x3b4/0x404 pc : [<c002cbf0>] lr : [<c003e304>] psr: 20000013 sp : c7a7dce8 ip : c7a7dc30 fp : c7a7dcf4 r10: c7a9d8c0 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00001000 r5 : c0333980 r4 : c7a7dd78 r3 : 00000000 r2 : 00000002 r1 : 00000003 r0 : 00000027 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87ab4008 DAC: 00000015 Process udevadm (pid: 238, stack limit = 0xc7a7c268) Stack: (0xc7a7dce8 to 0xc7a7e000) dce0: c7a7dd14 c7a7dcf8 c0076ab4 c002cbd8 c7a7dd78 c7aa5f68 dd00: 00001000 c0252f00 c7a7dd74 c7a7dd18 c0076c34 c0076a7c 00001000 00000000 dd20: c7a7dd44 c7a7dd40 c7a7c000 00000000 00001000 00000000 00000000 00000000 dd40: c0035100 c0333980 00000001 00000000 00000000 00000000 c7a9d8c0 c7a7dd78 dd60: 00000000 00000000 c7a7ddac c7a7dd78 c0076d6c c0076b58 c7a7df10 00000001 dd80: 00000000 00001000 00000000 00000000 00000000 c7a9d8c0 c7aa5eb8 00001000 dda0: c7a7de3c c7a7ddb0 c0078f68 c0076d1c 00000000 00000000 c7a7ded0 00001000 ddc0: 00000000 c0426920 c7a7de24 c7a7ddd8 c008e94c c007753c c7aa5f68 c7a7ded0 dde0: c7a7df10 c7a7de98 00000000 bee2bb78 00000004 00000001 c7a7de18 00000001 de00: 00000000 00002000 c74041a0 00001000 c7a7dd28 00000000 c7a9d8c0 c7aa5ed4 de20: 00000000 c7a7de98 c7a7df10 00000001 c7a7de8c c7a7de40 c007902c c0078b0c de40: 000000a0 c7a7df64 91827364 c7a7de4c c7a7de4c c7a7de54 c7a7de54 00000000 de60: bee2b88c c7a9d8c0 c7a7de98 c7a7df70 c7a7df10 fffffdee c7a7c000 00000000 de80: c7a7df3c c7a7de90 c00a184c c0078fc0 00000000 00000000 c014dfec c0035050 dea0: 00000000 00000001 ffffffff c7a9d8c0 00000000 00000000 00000000 00000000 dec0: c7838640 c005c3c4 00000000 00000000 00000000 00000000 00000007 40211080 dee0: 00001000 c7a7dfb0 00001000 00001f60 c7a7dfac c7a7df00 c002420c c002f114 df00: c00242b0 c002f114 c01d95dc c0042b78 40018000 00001000 c7a7de18 00001000 df20: c7a9d8c0 40018000 c7a7df70 00001000 c7a7df6c c7a7df40 c00a1fa0 c00a17b0 df40: c7a7df80 0000004e c0029c24 c7a9d8c0 40018000 00000000 00000000 00001000 df60: c7a7dfa4 c7a7df70 c00a2224 c00a1ef0 00000000 00000000 bee2b8a0 00000000 df80: 00000007 00001000 4022b5c8 40018000 00000004 c0029c24 00000000 c7a7dfa8 dfa0: c0029aa0 c00a21ec 00001000 4022b5c8 00000001 40018000 00001000 00000000 dfc0: 00001000 4022b5c8 40018000 00000004 00001000 0000001c 000c42e8 bee2b864 dfe0: 00000000 bee2b2a8 40166e0c 401ba21c 60000010 00000001 00000000 00000000 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00001000 r5:c7aa5f68 r4:c7a7dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00001000 r7:c7aa5eb8 r6:c7a9d8c0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00001000 r7:c7a7df70 r6:40018000 r5:c7a9d8c0 r4:00001000 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00001000 r7:00000000 r6:00000000 r5:40018000 r4:c7a9d8c0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40018000 r5:4022b5c8 r4:00001000 Code: e59f0010 e1a01003 eb0874b7 e3a03000 (e5833000) ---[ end trace 849a9799d85b827b ]--- note: udevadm[238] exited with preempt_count 1 BUG: scheduling while atomic: udevadm/238/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7a7c000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7838640 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7a7dabc r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00903a0>] (unmap_page_range+0x1c4/0x1dc) [<c00901dc>] (unmap_page_range+0x0/0x1dc) from [<c00908a8>] (unmap_vmas+0x80/0xb0) [<c0090828>] (unmap_vmas+0x0/0xb0) from [<c0094a34>] (exit_mmap+0x12c/0x290) [<c0094908>] (exit_mmap+0x0/0x290) from [<c003b210>] (mmput+0x3c/0xec) r7:c7a358b4 r6:00000000 r5:00000000 r4:c7a35880 [<c003b1d4>] (mmput+0x0/0xec) from [<c003f2e8>] (exit_mm+0x150/0x160) r5:c7838640 r4:c7a35880 [<c003f198>] (exit_mm+0x0/0x160) from [<c0040ab8>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7838640 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7a7dca0 r6:c7a35880 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7838640 r5:c7a35880 r4:c7a7dca0 r3:c7a7dca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7a7dca0 to 0xc7a7dce8) dca0: 00000027 00000003 00000002 00000000 c7a7dd78 c0333980 00001000 00000000 dcc0: 00000000 00000000 c7a9d8c0 c7a7dcf4 c7a7dc30 c7a7dce8 c003e304 c002cbf0 dce0: 20000013 ffffffff r8:00000000 r7:00000000 r6:00001000 r5:c7a7dcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00001000 r5:c7aa5f68 r4:c7a7dd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00001000 r7:c7aa5eb8 r6:c7a9d8c0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00001000 r7:c7a7df70 r6:40018000 r5:c7a9d8c0 r4:00001000 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00001000 r7:00000000 r6:00000000 r5:40018000 r4:c7a9d8c0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40018000 r5:4022b5c8 r4:00001000 Segmentation faultinit: syslogd main process (223) terminated with status 139 init: syslogd main process ended, respawning init: networking main process (222) killed by SEGV signal init (339): /proc/339/oom_adj is deprecated, please use /proc/339/oom_score_adj instead. init: ntpclient pre-start process (340) terminated with status 1 init: dbus main process (347) terminated with status 1 init: dbus main process ended, respawning init: Unable to connect to the system bus: Failed to connect to socket /var/run/dbus/system_bus_socket: No such file or directory kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7b4c000 [00000000] *pgd=87ad1831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#5] PREEMPT Modules linked in: CPU: 0 Tainted: G D (3.0.0-rt8-00001-gd5b0226 #160) PC is at __bug+0x24/0x30 LR is at vprintk+0x398/0x404 pc : [<c002cbf0>] lr : [<c003e2e8>] psr: 60000013 sp : c7b95ce8 ip : c7b95c30 fp : c7b95cf4 r10: c7a62ce0 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000004 r5 : c0423580 r4 : c7b95d78 r3 : 00000000 r2 : 00000002 r1 : 00000004 r0 : 00000027 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87b4c008 DAC: 00000015 Process sshd (pid: 358, stack limit = 0xc7b94268) Stack: (0xc7b95ce8 to 0xc7b96000) 5ce0: c7b95d14 c7b95cf8 c0076ab4 c002cbd8 c7b95d78 c7aa5ad0 5d00: 00000004 c0252f00 c7b95d74 c7b95d18 c0076c34 c0076a7c 00000004 00000000 5d20: c7b95d44 c7b95d40 c7b94000 00000000 00001000 00000000 00000000 00000000 5d40: c7b95d74 c0423580 c0041ccc 00000000 00000000 00000000 c7a62ce0 c7b95d78 5d60: 00000000 00000000 c7b95dac c7b95d78 c0076d6c c0076b58 c7b95f10 00000001 5d80: 00000000 00000004 00000000 00000000 00000000 c7a62ce0 c7aa5a20 00000004 5da0: c7b95e3c c7b95db0 c0078f68 c0076d1c 00000000 00000000 c7b95ed0 00000004 5dc0: 00000000 c0035100 c7b95dec c7b95dd8 c0035100 c002b620 c7aa5ad0 c7b95ed0 5de0: c7b95f10 c7b95e98 c008ecf4 c0035050 00000000 00000001 c7b95e24 c7ac31d8 5e00: 40014000 00000000 c7b4d000 00000004 c7a081e0 00000000 c7a62ce0 c7aa5a3c 5e20: 00000000 c7b95e98 c7b95f10 00000001 c7b95e8c c7b95e40 c007902c c0078b0c 5e40: c002b614 00000001 91827364 c7b95e4c c7b95e4c c7b95e54 c7b95e54 00000000 5e60: c7b95eb4 c7a62ce0 c7b95e98 c7b95f70 c7b95f10 fffffdee c7b94000 00000000 5e80: c7b95f3c c7b95e90 c00a184c c0078fc0 00000000 00000000 c014dfec c0035050 5ea0: 00000000 00000001 ffffffff c7a62ce0 00000000 00000000 00000000 00000000 5ec0: c78673e0 c005c3c4 00000000 00000000 00000000 00000000 00000007 40014000 5ee0: 00000004 c7b95fb0 00000004 bee57135 c7b95fac c7b95f00 c002420c c002f114 5f00: c00242b0 c002f114 c7b95f2c c7b95f18 40014000 00000004 c7a08218 00000004 5f20: c7a62ce0 40014000 c7b95f70 00000004 c7b95f6c c7b95f40 c00a1fa0 c00a17b0 5f40: c7b94000 40014000 00001000 c7a62ce0 40014000 00000000 00000000 00000004 5f60: c7b95fa4 c7b95f70 c00a2224 c00a1ef0 00000000 00000000 00000022 00000000 5f80: ffffffff 00000004 0006b7b8 40014000 00000004 c0029c24 00000000 c7b95fa8 5fa0: c0029aa0 c00a21ec 00000004 0006b7b8 00000004 40014000 00000004 00000000 5fc0: 00000004 0006b7b8 40014000 00000004 00000004 00063710 000c42e8 bee57bac 5fe0: 00000000 bee57180 402c2e0c 4031621c 60000010 00000004 c4cc457c c6c88810 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000004 r5:c7aa5ad0 r4:c7b95d78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000004 r7:c7aa5a20 r6:c7a62ce0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000004 r7:c7b95f70 r6:40014000 r5:c7a62ce0 r4:00000004 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000004 r7:00000000 r6:00000000 r5:40014000 r4:c7a62ce0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40014000 r5:0006b7b8 r4:00000004 Code: e59f0010 e1a01003 eb0874b7 e3a03000 (e5833000) ---[ end trace 849a9799d85b827c ]--- note: sshd[358] exited with preempt_count 1 BUG: scheduling while atomic: sshd/358/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7b94000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c78673e0 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7b95abc r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00903a0>] (unmap_page_range+0x1c4/0x1dc) [<c00901dc>] (unmap_page_range+0x0/0x1dc) from [<c00908a8>] (unmap_vmas+0x80/0xb0) [<c0090828>] (unmap_vmas+0x0/0xb0) from [<c0094a34>] (exit_mmap+0x12c/0x290) [<c0094908>] (exit_mmap+0x0/0x290) from [<c003b210>] (mmput+0x3c/0xec) r7:c7a08214 r6:00000000 r5:00000000 r4:c7a081e0 [<c003b1d4>] (mmput+0x0/0xec) from [<c003f2e8>] (exit_mm+0x150/0x160) r5:c78673e0 r4:c7a081e0 [<c003f198>] (exit_mm+0x0/0x160) from [<c0040ab8>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c78673e0 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7b95ca0 r6:c7a081e0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c78673e0 r5:c7a081e0 r4:c7b95ca0 r3:c7b95ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7b95ca0 to 0xc7b95ce8) 5ca0: 00000027 00000004 00000002 00000000 c7b95d78 c0423580 00000004 00000000 5cc0: 00000000 00000000 c7a62ce0 c7b95cf4 c7b95c30 c7b95ce8 c003e2e8 c002cbf0 5ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000004 r5:c7b95cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000004 r5:c7aa5ad0 r4:c7b95d78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000004 r7:c7aa5a20 r6:c7a62ce0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000004 r7:c7b95f70 r6:40014000 r5:c7a62ce0 r4:00000004 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000004 r7:00000000 r6:00000000 r5:40014000 r4:c7a62ce0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40014000 r5:0006b7b8 r4:00000004 init: udevmonitor main process (238) killed by SEGV signal BUG: scheduling while atomic: sshd/358/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7b94000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c78673e0 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c78182c0 r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00407b8>] (put_files_struct+0x94/0xec) [<c0040724>] (put_files_struct+0x0/0xec) from [<c00408bc>] (exit_files+0x58/0x5c) [<c0040864>] (exit_files+0x0/0x5c) from [<c0040ac8>] (do_exit+0x208/0x2d8) r5:0000000b r4:c78673e0 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7b95ca0 r6:c7a081e0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c78673e0 r5:c7a081e0 r4:c7b95ca0 r3:c7b95ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7b95ca0 to 0xc7b95ce8) 5ca0: 00000027 00000004 00000002 00000000 c7b95d78 c0423580 00000004 00000000 5cc0: 00000000 00000000 c7a62ce0 c7b95cf4 c7b95c30 c7b95ce8 c003e2e8 c002cbf0 5ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000004 r5:c7b95cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000004 r5:c7aa5ad0 r4:c7b95d78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000004 r7:c7aa5a20 r6:c7a62ce0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000004 r7:c7b95f70 r6:40014000 r5:c7a62ce0 r4:00000004 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000004 r7:00000000 r6:00000000 r5:40014000 r4:c7a62ce0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40014000 r5:0006b7b8 r4:00000004 kernel BUG at mm/filemap.c:2043! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c7bbc000 [00000000] *pgd=87aac831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#6] PREEMPT Modules linked in: CPU: 0 Tainted: G D (3.0.0-rt8-00001-gd5b0226 #160) PC is at __bug+0x24/0x30 LR is at vprintk+0x398/0x404 pc : [<c002cbf0>] lr : [<c003e2e8>] psr: 60000013 sp : c7aedce8 ip : c7aedc30 fp : c7aedcf4 r10: c7a22a40 r9 : 00000000 r8 : 00000000 r7 : 00000000 r6 : 00000004 r5 : c0334440 r4 : c7aedd78 r3 : 00000000 r2 : 00000002 r1 : 00000005 r0 : 00000027 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87bbc008 DAC: 00000015 Process avahi-daemon (pid: 362, stack limit = 0xc7aec268) Stack: (0xc7aedce8 to 0xc7aee000) dce0: c7aedd14 c7aedcf8 c0076ab4 c002cbd8 c7aedd78 c7aa57c0 dd00: 00000004 c0252f00 c7aedd74 c7aedd18 c0076c34 c0076a7c 00000004 00000000 dd20: c7aedd44 c7aedd40 c7aec000 00000000 00001000 00000000 00000000 00000000 dd40: c7aedd74 c0334440 c0041ccc 00000000 00000000 00000000 c7a22a40 c7aedd78 dd60: 00000000 00000000 c7aeddac c7aedd78 c0076d6c c0076b58 c7aedf10 00000001 dd80: 00000000 00000004 00000000 00000000 00000000 c7a22a40 c7aa5710 00000004 dda0: c7aede3c c7aeddb0 c0078f68 c0076d1c 00000000 00000000 c7aeded0 00000004 ddc0: 00000000 c0422f80 c7aede24 c7aeddd8 c008e94c c007753c c7aa57c0 c7aeded0 dde0: c7aedf10 c7aede98 00000000 00000004 40037000 00000001 c7aede24 c7a94128 de00: 00000004 00000000 c7bbd000 00000004 c7a35880 00000000 c7a22a40 c7aa572c de20: 00000000 c7aede98 c7aedf10 00000001 c7aede8c c7aede40 c007902c c0078b0c de40: c002b614 00000001 91827364 c7aede4c c7aede4c c7aede54 c7aede54 00000000 de60: c7aedeb4 c7a22a40 c7aede98 c7aedf70 c7aedf10 fffffdee c7aec000 00000000 de80: c7aedf3c c7aede90 c00a184c c0078fc0 00000000 00000000 c014dfec c0035050 dea0: 00000000 00000001 ffffffff c7a22a40 00000000 00000000 00000000 00000000 dec0: c7bda940 c005c3c4 00000000 00000000 00000000 00000000 00000007 40037078 dee0: 00000004 c7aedfb0 00000004 40037078 c7aedfac c7aedf00 c002420c c002f114 df00: 00000000 c7001660 c7aedf2c c7aedf18 bea9ab88 00000004 00000000 00000004 df20: c7a22a40 bea9ab88 c7aedf70 00000004 c7aedf6c c7aedf40 c00a1fa0 c00a17b0 df40: 00000000 00000000 00000000 c7a22a40 bea9ab88 00000000 00000000 00000004 df60: c7aedfa4 c7aedf70 c00a2224 c00a1ef0 00000000 00000000 c7aedfa4 00000000 df80: c00b09c0 4003f274 40285a58 00000005 00000004 c0029c24 00000000 c7aedfa8 dfa0: c0029aa0 c00a21ec 4003f274 40285a58 00000005 bea9ab88 00000004 00000000 dfc0: 4003f274 40285a58 00000005 00000004 00019f38 00000004 00000004 00000005 dfe0: 0000003f bea9ab88 40036340 4014aaec 60000010 00000005 00000000 00000000 Backtrace: [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000004 r5:c7aa57c0 r4:c7aedd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000004 r7:c7aa5710 r6:c7a22a40 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000004 r7:c7aedf70 r6:bea9ab88 r5:c7a22a40 r4:00000004 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000004 r7:00000000 r6:00000000 r5:bea9ab88 r4:c7a22a40 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:00000005 r5:40285a58 r4:4003f274 Code: e59f0010 e1a01003 eb0874b7 e3a03000 (e5833000) ---[ end trace 849a9799d85b827d ]--- note: avahi-daemon[362] exited with preempt_count 1 BUG: scheduling while atomic: avahi-daemon/362/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7aec000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c7bda940 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c7aedabc r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00903a0>] (unmap_page_range+0x1c4/0x1dc) [<c00901dc>] (unmap_page_range+0x0/0x1dc) from [<c00908a8>] (unmap_vmas+0x80/0xb0) [<c0090828>] (unmap_vmas+0x0/0xb0) from [<c0094a34>] (exit_mmap+0x12c/0x290) [<c0094908>] (exit_mmap+0x0/0x290) from [<c003b210>] (mmput+0x3c/0xec) r7:c7a358b4 r6:00000000 r5:00000000 r4:c7a35880 [<c003b1d4>] (mmput+0x0/0xec) from [<c003f2e8>] (exit_mm+0x150/0x160) r5:c7bda940 r4:c7a35880 [<c003f198>] (exit_mm+0x0/0x160) from [<c0040ab8>] (do_exit+0x1f8/0x2d8) r7:00000817 r6:00000001 r5:0000000b r4:c7bda940 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7aedca0 r6:c7a35880 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c7bda940 r5:c7a35880 r4:c7aedca0 r3:c7aedca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7aedca0 to 0xc7aedce8) dca0: 00000027 00000005 00000002 00000000 c7aedd78 c0334440 00000004 00000000 dcc0: 00000000 00000000 c7a22a40 c7aedcf4 c7aedc30 c7aedce8 c003e2e8 c002cbf0 dce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000004 r5:c7aedcd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000004 r5:c7aa57c0 r4:c7aedd78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000004 r7:c7aa5710 r6:c7a22a40 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000004 r7:c7aedf70 r6:bea9ab88 r5:c7a22a40 r4:00000004 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000004 r7:00000000 r6:00000000 r5:bea9ab88 r4:c7a22a40 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:00000005 r5:40285a58 r4:4003f274 init: syscfgmgr main process (357) killed by ABRT signal init: syscfgmgr main process ended, respawning init: httpdata main process (352) killed by ABRT signal init: httpdata main process ended, respawning init: dbuslistener main process (353) killed by ABRT signal init: dbuslistener main process ended, respawning init: fwconfig main process (354) killed by ABRT signal init: fwconfig main process ended, respawning init: parameter main process (355) killed by ABRT signal init: parameter main process ended, respawning init: storagemanager main process (356) killed by ABRT signal init: storagemanager main process ended, respawning BUG: scheduling while atomic: sshd/358/0x40000002 Modules linked in: Backtrace: [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249d44>] (dump_stack+0x18/0x1c) r6:c7b94000 r5:c0304b38 r4:00000000 r3:20000113 [<c0249d2c>] (dump_stack+0x0/0x1c) from [<c0035038>] (__schedule_bug+0x58/0x64) [<c0034fe0>] (__schedule_bug+0x0/0x64) from [<c024a040>] (__schedule+0x60/0x2f0) r4:c78673e0 r3:00000000 [<c0249fe0>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c) [<c0035798>] (__cond_resched+0x0/0x3c) from [<c024a374>] (_cond_resched+0x38/0x48) r4:c78182c0 r3:00000001 [<c024a33c>] (_cond_resched+0x0/0x48) from [<c00407b8>] (put_files_struct+0x94/0xec) [<c0040724>] (put_files_struct+0x0/0xec) from [<c00408bc>] (exit_files+0x58/0x5c) [<c0040864>] (exit_files+0x0/0x5c) from [<c0040ac8>] (do_exit+0x208/0x2d8) r5:0000000b r4:c78673e0 [<c00408c0>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128) [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c) r7:c7b95ca0 r6:c7a081e0 r5:00000817 r4:00000000 [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c) r8:00000000 r7:c03030cc r6:c78673e0 r5:c7a081e0 r4:c7b95ca0 r3:c7b95ca0 [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0) [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80) Exception stack(0xc7b95ca0 to 0xc7b95ce8) 5ca0: 00000027 00000004 00000002 00000000 c7b95d78 c0423580 00000004 00000000 5cc0: 00000000 00000000 c7a62ce0 c7b95cf4 c7b95c30 c7b95ce8 c003e2e8 c002cbf0 5ce0: 60000013 ffffffff r8:00000000 r7:00000000 r6:00000004 r5:c7b95cd4 r4:ffffffff [<c002cbcc>] (__bug+0x0/0x30) from [<c0076ab4>] (iov_iter_copy_from_user_atomic+0x44/0xdc) [<c0076a70>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c34>] (generic_perform_write+0xe8/0x1c4) r7:c0252f00 r6:00000004 r5:c7aa5ad0 r4:c7b95d78 [<c0076b4c>] (generic_perform_write+0x0/0x1c4) from [<c0076d6c>] (generic_file_buffered_write+0x5c/0x88) [<c0076d10>] (generic_file_buffered_write+0x0/0x88) from [<c0078f68>] (__generic_file_aio_write+0x468/0x4b4) r8:00000004 r7:c7aa5a20 r6:c7a62ce0 r5:00000000 r4:00000000 [<c0078b00>] (__generic_file_aio_write+0x0/0x4b4) from [<c007902c>] (generic_file_aio_write+0x78/0xe8) [<c0078fb4>] (generic_file_aio_write+0x0/0xe8) from [<c00a184c>] (do_sync_write+0xa8/0xe4) [<c00a17a4>] (do_sync_write+0x0/0xe4) from [<c00a1fa0>] (vfs_write+0xbc/0x148) r8:00000004 r7:c7b95f70 r6:40014000 r5:c7a62ce0 r4:00000004 [<c00a1ee4>] (vfs_write+0x0/0x148) from [<c00a2224>] (sys_write+0x44/0x70) r8:00000004 r7:00000000 r6:00000000 r5:40014000 r4:c7a62ce0 [<c00a21e0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30) r8:c0029c24 r7:00000004 r6:40014000 r5:0006b7b8 r4:00000004 init: ssh main process (358) killed by SEGV signal init: ssh main process ended, respawning init: avahi-daemon main process (362) killed by SEGV signal init: avahi-daemon main process ended, respawning init: avahi-daemon main process (374) terminated with status 255 init: avahi-daemon main process ended, respawning Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich für den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 2011-08-05 21:44 [ANNOUNCE] 3.0.1-rt8 Peter Zijlstra 2011-08-08 13:55 ` rcu stalls running 3.0.1-rt8 Mike Galbraith 2011-08-09 15:13 ` [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 Tim Sander @ 2011-08-09 18:31 ` Fernando Lopez-Lezcano 2011-08-09 18:47 ` Peter Zijlstra 2011-08-10 1:07 ` Paul E. McKenney 2 siblings, 2 replies; 33+ messages in thread From: Fernando Lopez-Lezcano @ 2011-08-09 18:31 UTC (permalink / raw) To: Peter Zijlstra Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users, Fernando Lopez-Lezcano On 08/05/2011 02:44 PM, Peter Zijlstra wrote: > Hi, > > Since yesterday is old, and yesterday's kernels aren't interesting, > here's a fresh one: 3.0.1-rt8. Hmmm, what are reasonable values for CONFIG_RCU_BOOST_PRIO and CONFIG_RCU_BOOST_DELAY? (or at least what are you using?). I think CONFIG_RCU_BOOST should be working now so I should reenable the option for my next build. -- Fernando > Aside from the obvious rebase to 3.0.1 changes include: > > - a fix from Rostedt for his cpupri rework involving memory ordering > - a fix from me regarding this highmem muck, seeing as I mostly > wrecked things last time around :-) > - some lockdep annotations from upstream for things people were > seeing here as well > - a patch from Clark adding a sysfs file to recognize a PREEMP_RT > kernel for udev -- is there really no saner solution !? > - and a fresh raw_spinlock_t conversion of cpufreq_driver_lock, done > just minutes before releasing this, to keep life interesting. > > Still working on the known issues from last time.. > > The patch is at: > > http://www.kernel.org/pub/linux/kernel/projects/rt/patch-3.0.1-rt8.patch.bz2 > > The quilt series can be found here: > > http://www.kernel.org/pub/linux/kernel/projects/rt/patches-3.0.1-rt8.tar.bz2 > > Once kernel.org mirrors catch up that is.. ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 2011-08-09 18:31 ` [ANNOUNCE] 3.0.1-rt8 Fernando Lopez-Lezcano @ 2011-08-09 18:47 ` Peter Zijlstra 2011-08-10 1:08 ` Paul E. McKenney 2011-08-10 1:07 ` Paul E. McKenney 1 sibling, 1 reply; 33+ messages in thread From: Peter Zijlstra @ 2011-08-09 18:47 UTC (permalink / raw) To: Fernando Lopez-Lezcano Cc: linux-kernel, Thomas Gleixner, Paul E. McKenney, linux-rt-users On Tue, 2011-08-09 at 11:31 -0700, Fernando Lopez-Lezcano wrote: > Hmmm, what are reasonable values for CONFIG_RCU_BOOST_PRIO and > CONFIG_RCU_BOOST_DELAY? (or at least what are you using?). I'm using the defaults, since I haven't actually got a workload besides compiling kernels ;-) Changing these values is very much workload dependent, the PRIO should be high enough not to cause memory starvation, but low enough not to disrupt anything important, and thus completely dependent on you favourite RT workload. The same goes for the DELAY, too long and you run out of memory, too short and you get more overhead, depends on your workload, your machine memory size etc.. Paul should of course be put on trial for giving us these knobs, but seeing where they come from I totally understand they exist ;-) ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 2011-08-09 18:47 ` Peter Zijlstra @ 2011-08-10 1:08 ` Paul E. McKenney 0 siblings, 0 replies; 33+ messages in thread From: Paul E. McKenney @ 2011-08-10 1:08 UTC (permalink / raw) To: Peter Zijlstra Cc: Fernando Lopez-Lezcano, linux-kernel, Thomas Gleixner, linux-rt-users On Tue, Aug 09, 2011 at 08:47:26PM +0200, Peter Zijlstra wrote: > On Tue, 2011-08-09 at 11:31 -0700, Fernando Lopez-Lezcano wrote: > > Hmmm, what are reasonable values for CONFIG_RCU_BOOST_PRIO and > > CONFIG_RCU_BOOST_DELAY? (or at least what are you using?). > > I'm using the defaults, since I haven't actually got a workload besides > compiling kernels ;-) > > Changing these values is very much workload dependent, the PRIO should > be high enough not to cause memory starvation, but low enough not to > disrupt anything important, and thus completely dependent on you > favourite RT workload. > > The same goes for the DELAY, too long and you run out of memory, too > short and you get more overhead, depends on your workload, your machine > memory size etc.. > > Paul should of course be put on trial for giving us these knobs, but > seeing where they come from I totally understand they exist ;-) You mean my experience at the tail end of 3.0 -wasn't- being put on trial? ;-) Thanx, Paul ^ permalink raw reply [flat|nested] 33+ messages in thread
* Re: [ANNOUNCE] 3.0.1-rt8 2011-08-09 18:31 ` [ANNOUNCE] 3.0.1-rt8 Fernando Lopez-Lezcano 2011-08-09 18:47 ` Peter Zijlstra @ 2011-08-10 1:07 ` Paul E. McKenney 1 sibling, 0 replies; 33+ messages in thread From: Paul E. McKenney @ 2011-08-10 1:07 UTC (permalink / raw) To: Fernando Lopez-Lezcano Cc: Peter Zijlstra, linux-kernel, Thomas Gleixner, linux-rt-users On Tue, Aug 09, 2011 at 11:31:46AM -0700, Fernando Lopez-Lezcano wrote: > On 08/05/2011 02:44 PM, Peter Zijlstra wrote: > >Hi, > > > >Since yesterday is old, and yesterday's kernels aren't interesting, > >here's a fresh one: 3.0.1-rt8. > > Hmmm, what are reasonable values for CONFIG_RCU_BOOST_PRIO and > CONFIG_RCU_BOOST_DELAY? (or at least what are you using?). I think > CONFIG_RCU_BOOST should be working now so I should reenable the > option for my next build. I use the defaults, except when verifying that I can change them. ;-) Thanx, Paul > -- Fernando > > > >Aside from the obvious rebase to 3.0.1 changes include: > > > > - a fix from Rostedt for his cpupri rework involving memory ordering > > - a fix from me regarding this highmem muck, seeing as I mostly > > wrecked things last time around :-) > > - some lockdep annotations from upstream for things people were > > seeing here as well > > - a patch from Clark adding a sysfs file to recognize a PREEMP_RT > > kernel for udev -- is there really no saner solution !? > > - and a fresh raw_spinlock_t conversion of cpufreq_driver_lock, done > > just minutes before releasing this, to keep life interesting. > > > >Still working on the known issues from last time.. > > > >The patch is at: > > > > http://www.kernel.org/pub/linux/kernel/projects/rt/patch-3.0.1-rt8.patch.bz2 > > > >The quilt series can be found here: > > > > http://www.kernel.org/pub/linux/kernel/projects/rt/patches-3.0.1-rt8.tar.bz2 > > > >Once kernel.org mirrors catch up that is.. ^ permalink raw reply [flat|nested] 33+ messages in thread
end of thread, other threads:[~2011-08-12 8:59 UTC | newest] Thread overview: 33+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2011-08-05 21:44 [ANNOUNCE] 3.0.1-rt8 Peter Zijlstra 2011-08-08 13:55 ` rcu stalls running 3.0.1-rt8 Mike Galbraith 2011-08-08 23:10 ` Paul E. McKenney 2011-08-09 1:14 ` Mike Galbraith 2011-08-09 15:13 ` [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 Tim Sander 2011-08-11 9:43 ` Peter Zijlstra 2011-08-11 11:30 ` Tim Sander 2011-08-11 12:02 ` Peter Zijlstra 2011-08-11 12:52 ` Tim Sander 2011-08-11 12:52 ` Tim Sander 2011-08-11 15:28 ` Tim Sander 2011-08-11 15:28 ` Tim Sander 2011-08-11 12:41 ` Peter Zijlstra 2011-08-11 16:04 ` Tim Sander 2011-08-11 16:04 ` Tim Sander 2011-08-11 16:14 ` Peter Zijlstra 2011-08-11 16:22 ` Tim Sander 2011-08-11 16:41 ` Tim Sander 2011-08-11 16:41 ` Tim Sander 2011-08-11 16:39 ` Peter Zijlstra 2011-08-11 17:08 ` Tim Sander 2011-08-11 17:08 ` Tim Sander 2011-08-11 18:05 ` Peter Zijlstra 2011-08-11 18:05 ` Peter Zijlstra 2011-08-12 8:59 ` Tim Sander 2011-08-12 8:59 ` Tim Sander 2011-08-11 10:45 ` Peter Zijlstra 2011-08-11 15:36 ` Tim Sander 2011-08-11 15:36 ` Tim Sander 2011-08-09 18:31 ` [ANNOUNCE] 3.0.1-rt8 Fernando Lopez-Lezcano 2011-08-09 18:47 ` Peter Zijlstra 2011-08-10 1:08 ` Paul E. McKenney 2011-08-10 1:07 ` Paul E. McKenney
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