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* active bugs in the first week of 4.15 merge window
@ 2017-11-21  9:05 Fengguang Wu
  2017-11-21 10:04   ` Fengguang Wu
                   ` (12 more replies)
  0 siblings, 13 replies; 104+ messages in thread
From: Fengguang Wu @ 2017-11-21  9:05 UTC (permalink / raw)
  To: Linus Torvalds; +Cc: LKML

Hi Linus,

We see the below boot error IDs in 0day testing on your pre-RC1
merge commits. Most of them are not new regressions, and some are
known problems that have fixup patches planned for the upcoming -RC1.

In this thread, I'll show details and reproduce information for some
of them, hoping to shake off more old boot errors in mainline kernel.

BUG:kernel-hang-in-boot-stage
BUG:kernel-hang-in-test-stage
BUG:kernel-reboot-without-warning-in-test-stage
BUG:sleeping-function-called-from-invalid-context-at-lib-ioremap.c
BUG:unable-to-handle-kernel-NULL-pointer-dereference-at
BUG:unable-to-handle-kernel-NULL-pointer-dereference-at-null
BUG:unable-to-handle-kernel-paging-request-at
BUG:workqueue-lockup-pool
BUG:workqueue-lockup-pool-cpus=-node=-flags=-nice=-stuck-for
EIP:core_kernel_text
EIP:debug_lockdep_rcu_enabled
EIP:ftrace_likely_update
EIP:init_kernel_text
EIP:io_serial_in
EIP:io_serial_out
EIP:kernel_text_address
EIP:kvm_clock_read
EIP:memcmp
EIP:unwind_next_frame
INFO:rcu_preempt-detected-stalls-on-CPUs-tasks:
INFO:rcu_sched-detected-stalls-on-CPUs-tasks:
IP-Config:Auto-configuration-of-network-failed
Kernel-panic-not-syncing:Fatal-exception
Kernel-panic-not-syncing:hung_task:blocked-tasks
Kernel-panic-not-syncing:softlockup:hung-tasks
Oops:
Oops:PREEMPT-SMP
RIP:__asan_load1
RIP:__asan_load8
RIP:__asan_loadN
RIP:__asan_store8
RIP:__d_alloc
RIP:__do_softirq
RIP:__kernel_text_address
RIP:__lock_acquire
RIP:__lockdep_init_map
RIP:__save_stack_trace
RIP:arch_local_irq_restore
RIP:ata_dev_next
RIP:ata_host_detach
RIP:ata_port_detach
RIP:ata_port_wait_eh
RIP:butterfly_chipselect
RIP:check_memory_region
RIP:cpuidle_enter_state
RIP:deref_stack_reg
RIP:ftrace_likely_update
RIP:interval_tree_insert
RIP:interval_tree_remove
RIP:kasan_kmalloc
RIP:kobject_add_internal
RIP:mempool_free
RIP:native_safe_halt
RIP:pci_disable_device
RIP:perf_swevent_add
RIP:queued_spin_lock_slowpath
RIP:set_task_cpu
RIP:strlen
RIP:sysfs_warn_dup
RIP:trace_event_eval_update
RIP:update_event_printk
WARNING:CPU:PID:at-drivers-ata-libata-core.c-ata_host_detach
WARNING:CPU:PID:at-drivers-ata-libata-core.c-ata_port_detach
WARNING:CPU:PID:at-drivers-pci-pci.c-pci_disable_device
WARNING:CPU:PID:at-fs-sysfs-dir.c-sysfs_warn_dup
WARNING:CPU:PID:at-kernel-events-core.c-perf_swevent_add
WARNING:CPU:PID:at-kernel-locking-lockdep.c-__lock_acquire
WARNING:CPU:PID:at-kernel-sched-core.c-set_task_cpu
WARNING:CPU:PID:at-lib-kobject.c-kobject_add_internal
WARNING:possible-circular-locking-dependency-detected
general-protection-fault
genirq:Flags-mismatch-irq-ttyS0-vs.-sir_ir
softdog:Initiating-system-reboot
watchdog:BUG:soft-lockup-CPU-stuck-for-swapper

Regards,
Fengguang

^ permalink raw reply	[flat|nested] 104+ messages in thread
* [rbtree_test_init] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper:1]
@ 2017-11-07  4:50 Fengguang Wu
  0 siblings, 0 replies; 104+ messages in thread
From: Fengguang Wu @ 2017-11-07  4:50 UTC (permalink / raw)
  To: Davidlohr Bueso
  Cc: linux-kernel, Linus Torvalds, Cody P Schafer, Michel Lespinasse


Hi Davidlohr,

Here's a warning in v4.14-rc8 -- it's not necessarily a new bug.

[  103.655201] xz_dec_test: module loaded
[  103.655994] xz_dec_test: Create a device node with 'mknod xz_dec_test c 249 0' and write .xz files to it.
[  103.796051] atomic64_test: passed for i386+ platform with CX8 and with SSE
[  103.812439] glob: 64 self-tests passed, 0 failed
[  103.814253] rbtree testing
[  128.874612] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [swapper:1]
[  128.874612] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc8 #202
[  128.874612] task: 91a34d40 task.stack: 91a36000
[  128.874612] EIP: rb_erase+0xf0/0x320
[  128.874612] EFLAGS: 00200216 CPU: 0
[  128.874612] EAX: 91a7d784 EBX: 00000000 ECX: 91a7d3ac EDX: 91a7d574
[  128.874612] ESI: 00000000 EDI: 91a7d85c EBP: 91a37f00 ESP: 91a37eec
[  128.874612]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[  128.874612] CR0: 80050033 CR2: 00000000 CR3: 01c69000 CR4: 00000690
[  128.874612] Call Trace:
[  128.874612]  rbtree_test_init+0xc7/0x802
[  128.874612]  ? glob_init+0x96/0xab
[  128.874612]  ? irq_poll_setup+0x44/0x44
[  128.874612]  do_one_initcall+0x7e/0x14c
[  128.874612]  ? parse_args+0x120/0x2b0
[  128.874612]  ? kernel_init_freeable+0xdc/0x16f
[  128.874612]  kernel_init_freeable+0xfc/0x16f
[  128.874612]  ? rest_init+0xc0/0xc0
[  128.874612]  kernel_init+0xd/0xf0
[  128.874612]  ret_from_fork+0x19/0x30
[  128.874612] Code: e2 fc 0f 84 1f 02 00 00 3b 42 08 0f 84 20 02 00 00 89 7a 04 eb ac 90 8d 74 26 00 8b 01 89 19 a8 01 74 9f 31 c9 eb 6f 8d 74 26 00 <f6> 00 01 75 2d 8b 58 08 89 d1 83 c9 01 89 5a 04 89 50 08 89 0b
[  128.874612] Kernel panic - not syncing: softlockup: hung tasks
[  128.874612] CPU: 0 PID: 1 Comm: swapper Tainted: G             L  4.14.0-rc8 #202
[  128.874612] Call Trace:
[  128.874612]  dump_stack+0x16/0x1b
[  128.874612]  panic+0x90/0x1cd
[  128.874612]  watchdog_timer_fn+0x1fd/0x200
[  128.874612]  hrtimer_run_queues+0x145/0x310
[  128.874612]  ? watchdog+0x30/0x30
[  128.874612]  run_local_timers+0xd/0x50
[  128.874612]  update_process_times+0x20/0x50
[  128.874612]  tick_nohz_handler+0xa1/0x170
[  128.874612]  smp_apic_timer_interrupt+0x62/0x130
[  128.874612]  apic_timer_interrupt+0x3a/0x40
[  128.874612] EIP: rb_erase+0xf0/0x320
[  128.874612] EFLAGS: 00200216 CPU: 0
[  128.874612] EAX: 91a7d784 EBX: 00000000 ECX: 91a7d3ac EDX: 91a7d574
[  128.874612] ESI: 00000000 EDI: 91a7d85c EBP: 91a37f00 ESP: 91a37eec
[  128.874612]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[  128.874612]  rbtree_test_init+0xc7/0x802
[  128.874612]  ? glob_init+0x96/0xab
[  128.874612]  ? irq_poll_setup+0x44/0x44
[  128.874612]  do_one_initcall+0x7e/0x14c
[  128.874612]  ? parse_args+0x120/0x2b0
[  128.874612]  ? kernel_init_freeable+0xdc/0x16f
[  128.874612]  kernel_init_freeable+0xfc/0x16f
[  128.874612]  ? rest_init+0xc0/0xc0
[  128.874612]  kernel_init+0xd/0xf0
[  128.874612]  ret_from_fork+0x19/0x30
[  128.874612] Kernel Offset: disabled

[   56.196198]  -> test 3 (latency of inorder traversal): 43214 cycles
[   56.236854]  -> test 4 (latency to fetch first node)
[   56.238085]         non-cached: 417 cycles
[   56.241088]         cached: 58 cycles
[   57.770508] augmented rbtree testing
[   80.910049] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper:1]
[   80.910049] Modules linked in:
[   80.910049] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc8 #65
[   80.910049] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[   80.910049] task: ffff880000390040 task.stack: ffff880000398000
[   80.910049] RIP: 0010:__asan_load4+0x0/0x7e
[   80.910049] RSP: 0000:ffff88000039fd70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
[   80.910049] RAX: 00000000ffffffff RBX: ffff8800188dcd38 RCX: ffff880000390040
[   80.910049] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8800188dc888
[   80.910049] RBP: ffff8800188dc890 R08: fffffbfff680f2d4 R09: fffffbfff680f2d3
[   80.910049] R10: fffffbfff680f2d3 R11: 0000000000000000 R12: 0000000000000000
[   80.910049] R13: 000000002494b5f1 R14: 0000000030d4b3e4 R15: 00000000ade321a5
[   80.910049] FS:  0000000000000000(0000) GS:ffffffffb344f000(0000) knlGS:0000000000000000
[   80.910049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.910049] CR2: 0000000000000000 CR3: 0000000008020000 CR4: 00000000000006b0
[   80.910049] Call Trace:
[   80.910049]  insert_augmented+0xa7/0x15d
[   80.910049]  rbtree_test_init+0x87c/0x1288
[   80.910049]  ? sg_pool_init+0x317/0x317
[   80.910049]  do_one_initcall+0x14d/0x30f
[   80.910049]  ? initcall_blacklisted+0x1a7/0x1a7
[   80.910049]  ? lock_downgrade+0x279/0x279
[   80.910049]  kernel_init_freeable+0x24a/0x3f6
[   80.910049]  ? rest_init+0x10d/0x10d
[   80.910049]  kernel_init+0x11/0x244
[   80.910049]  ? rest_init+0x10d/0x10d
[   80.910049]  ret_from_fork+0x25/0x30
[   80.910049] Code: 44 d0 83 e2 01 eb 10 48 c1 e8 03 8a 04 30 84 c0 74 18 38 d0 0f 9e c2 84 d2 74 0f ba 01 00 00 00 be 02 00 00 00 e9 bb 11 00 00 c3 <48> b8 ff ff ff ff ff 7f ff ff 48 8b 0c 24 48 39 c7 76 5e 48 8d 
[   80.910049] Kernel panic - not syncing: softlockup: hung tasks
[   80.910049] CPU: 0 PID: 1 Comm: swapper Tainted: G             L  4.14.0-rc8 #65
[   80.910049] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[   80.910049] Call Trace:
[   80.910049]  <IRQ>
[   80.910049]  panic+0x1f4/0x4ab
[   80.910049]  ? __warn+0x1e1/0x1e1
[   80.910049]  ? watchdog+0x1a/0x1a
[   80.910049]  watchdog_timer_fn+0x3c0/0x3ef
[   80.910049]  __hrtimer_run_queues+0x351/0x59e
[   80.910049]  ? __hrtimer_get_remaining+0x8d/0x8d
[   80.910049]  ? read_seqcount_retry+0x2e/0x33
[   80.910049]  ? ktime_get_update_offsets_now+0x178/0x18a
[   80.910049]  hrtimer_interrupt+0xbc/0x2be
[   80.910049]  ? hrtimer_get_next_event+0x94/0x94
[   80.910049]  smp_apic_timer_interrupt+0x199/0x2c1
[   80.910049]  apic_timer_interrupt+0x89/0x90
[   80.910049]  </IRQ>
[   80.910049] RIP: 0010:__asan_load4+0x0/0x7e
[   80.910049] RSP: 0000:ffff88000039fd70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
[   80.910049] RAX: 00000000ffffffff RBX: ffff8800188dcd38 RCX: ffff880000390040
[   80.910049] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8800188dc888
[   80.910049] RBP: ffff8800188dc890 R08: fffffbfff680f2d4 R09: fffffbfff680f2d3
[   80.910049] R10: fffffbfff680f2d3 R11: 0000000000000000 R12: 0000000000000000
[   80.910049] R13: 000000002494b5f1 R14: 0000000030d4b3e4 R15: 00000000ade321a5
[   80.910049]  insert_augmented+0xa7/0x15d
[   80.910049]  rbtree_test_init+0x87c/0x1288
[   80.910049]  ? sg_pool_init+0x317/0x317
[   80.910049]  do_one_initcall+0x14d/0x30f
[   80.910049]  ? initcall_blacklisted+0x1a7/0x1a7
[   80.910049]  ? lock_downgrade+0x279/0x279
[   80.910049]  kernel_init_freeable+0x24a/0x3f6
[   80.910049]  ? rest_init+0x10d/0x10d
[   80.910049]  kernel_init+0x11/0x244
[   80.910049]  ? rest_init+0x10d/0x10d
[   80.910049]  ret_from_fork+0x25/0x30
[   80.910049] Kernel Offset: 0x30600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)

Thanks,
Fengguang

^ permalink raw reply	[flat|nested] 104+ messages in thread

end of thread, other threads:[~2017-12-05 19:19 UTC | newest]

Thread overview: 104+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-11-21  9:05 active bugs in the first week of 4.15 merge window Fengguang Wu
2017-11-21 10:04 ` [test_abba] WARNING: possible circular locking dependency detected Fengguang Wu
2017-11-21 10:04   ` Fengguang Wu
2017-11-21 10:54 ` [ata_port_detach] WARNING: CPU: 0 PID: 1 at drivers/ata/libata-core.c:6613 ata_port_detach+0x9b/0x180 Fengguang Wu
2017-11-21 10:54   ` Fengguang Wu
2017-11-21 11:30   ` Arnd Bergmann
2017-11-21 11:30     ` Arnd Bergmann
2017-11-21 11:07 ` [tracer_init_tracefs] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [swapper/0:1] Fengguang Wu
2017-11-21 11:07   ` Fengguang Wu
2017-11-21 12:27   ` Fengguang Wu
2017-11-21 12:27     ` Fengguang Wu
2017-11-21 13:55     ` Thomas Gleixner
2017-11-21 13:55       ` Thomas Gleixner
2017-11-21 11:10 ` [rbtree_test_init] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper:1] Fengguang Wu
2017-11-21 11:10   ` Fengguang Wu
2017-11-21 21:59   ` Andrew Morton
2017-11-21 21:59     ` Andrew Morton
2017-11-22  2:15     ` Fengguang Wu
2017-11-22  2:15       ` Fengguang Wu
2017-11-21 11:19 ` [rht_deferred_worker] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 62s! Fengguang Wu
2017-11-21 11:19   ` Fengguang Wu
2017-11-21 11:52   ` [test_rht_init] INFO: task swapper/0:1 blocked for more than 120 seconds Fengguang Wu
2017-11-21 11:52     ` Fengguang Wu
2017-11-27 21:34     ` Linus Torvalds
2017-11-27 21:34       ` Linus Torvalds
2017-11-27 21:32   ` [rht_deferred_worker] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 62s! Linus Torvalds
2017-11-27 21:32     ` Linus Torvalds
2017-11-21 11:53 ` [vga_arb_device_init] WARNING: possible circular locking dependency detected Fengguang Wu
2017-11-21 11:53   ` Fengguang Wu
2017-11-21 16:52   ` Lukas Wunner
2017-11-21 16:52     ` Lukas Wunner
2017-11-21 16:52     ` Lukas Wunner
2017-11-22  9:07     ` Daniel Vetter
2017-11-22  9:07       ` Daniel Vetter
2017-11-22  9:07       ` Daniel Vetter
2017-11-21 17:08   ` [char-misc] " Daniel Vetter
2017-11-21 17:08     ` Daniel Vetter
2017-11-21 12:04 ` [migration_cpu_stop] WARNING: CPU: 0 PID: 11 at kernel/sched/core.c:1187 set_task_cpu+0x257/0x6b6 Fengguang Wu
2017-11-21 12:04   ` Fengguang Wu
2017-11-21 13:34   ` Peter Zijlstra
2017-11-21 13:34     ` Peter Zijlstra
2017-11-21 13:51     ` Fengguang Wu
2017-11-21 13:51       ` Fengguang Wu
2017-11-21 16:13       ` Paul E. McKenney
2017-11-21 16:13         ` Paul E. McKenney
2017-11-22 12:18         ` Fengguang Wu
2017-11-22 12:18           ` Fengguang Wu
2017-11-21 14:01     ` Rafael J. Wysocki
2017-11-21 14:01       ` Rafael J. Wysocki
2017-11-21 12:09 ` [ata_port_probe] BUG: unable to handle kernel NULL pointer dereference at 0000000000000350 Fengguang Wu
2017-11-21 12:09   ` Fengguang Wu
2017-11-21 12:19   ` Fengguang Wu
2017-11-21 12:19     ` Fengguang Wu
2017-11-21 12:54     ` Arnd Bergmann
2017-11-21 12:54       ` Arnd Bergmann
2017-11-21 14:57       ` Tejun Heo
2017-11-21 14:57         ` Tejun Heo
2017-11-21 15:30         ` Arnd Bergmann
2017-11-21 15:30           ` Arnd Bergmann
2017-11-21 12:12 ` [RING_BUFFER_BENCHMARK] INFO: task rb_producer:73 blocked for more than 120 seconds Fengguang Wu
2017-11-21 13:28   ` Fengguang Wu
2017-11-21 13:28     ` Fengguang Wu
2017-11-21 12:33 ` [serial8250_interrupt] RIP: 0010:arch_local_irq_restore+0x2/0x8 Fengguang Wu
2017-11-21 12:33   ` Fengguang Wu
2017-11-21 12:33   ` Fengguang Wu
2017-11-21 13:31   ` Fengguang Wu
2017-11-21 13:31     ` Fengguang Wu
2017-11-21 14:39     ` Andy Shevchenko
2017-11-21 14:39       ` Andy Shevchenko
2017-11-21 21:14       ` Andy Shevchenko
2017-11-21 21:14         ` Andy Shevchenko
2017-11-22 23:36       ` Fengguang Wu
2017-11-22 23:36         ` Fengguang Wu
2017-11-22 23:43         ` Fengguang Wu
2017-11-22 23:43           ` Fengguang Wu
2017-11-21 12:41 ` [e1000_shutdown] e1000 0000:00:03.0: disabling already-disabled device Fengguang Wu
2017-11-21 12:41   ` Fengguang Wu
2017-11-21 12:41   ` [Intel-wired-lan] " Fengguang Wu
2017-11-21 22:10   ` Tushar Dave
2017-11-21 22:10     ` Tushar Dave
2017-11-21 22:10     ` [Intel-wired-lan] " Tushar Dave
2017-11-22 23:13     ` Fengguang Wu
2017-11-22 23:13       ` Fengguang Wu
2017-11-22 23:13       ` [Intel-wired-lan] " Fengguang Wu
2017-11-27 19:31       ` Tushar Dave
2017-11-27 19:31         ` Tushar Dave
2017-11-27 19:31         ` [Intel-wired-lan] " Tushar Dave
2017-12-04 11:33         ` Fengguang Wu
2017-12-04 11:33           ` Fengguang Wu
2017-12-04 11:33           ` [Intel-wired-lan] " Fengguang Wu
2017-12-05 19:19           ` Tushar Dave
2017-12-05 19:19             ` Tushar Dave
2017-12-05 19:19             ` [Intel-wired-lan] " Tushar Dave
2017-11-21 12:50 ` [test_cycle_work] WARNING: possible circular locking dependency detected Fengguang Wu
2017-11-21 12:50   ` Fengguang Wu
2017-11-21 13:01 ` [hrtimer_active] INFO: trying to register non-static key Fengguang Wu
2017-11-21 13:01   ` Fengguang Wu
2017-11-22 14:37   ` [hrtimer_active ^W ata_port_wait_eh] " Thomas Gleixner
2017-11-22 14:37     ` Thomas Gleixner
2017-11-24 12:49     ` Tejun Heo
2017-11-24 12:49       ` Tejun Heo
2017-11-24 13:41       ` Fengguang Wu
2017-11-24 13:41         ` Fengguang Wu
  -- strict thread matches above, loose matches on Subject: below --
2017-11-07  4:50 [rbtree_test_init] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper:1] Fengguang Wu

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