From: Mike Galbraith <efault@gmx.de>
To: RT <linux-rt-users@vger.kernel.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: v5.19-rc2-rt3: nouveau might sleep splat
Date: Sat, 18 Jun 2022 11:25:39 +0200 [thread overview]
Message-ID: <01e0c6949e6f0611954016552da8f0795b20600a.camel@gmx.de> (raw)
I haven't done any digging to see why this now happens where it
previously did not.
[ 3.867408] BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:46
[ 3.867409] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 387, name: systemd-udevd
[ 3.867409] preempt_count: 0, expected: 0
[ 3.867410] RCU nest depth: 1, expected: 1
[ 3.867411] CPU: 4 PID: 387 Comm: systemd-udevd Tainted: G W E 5.19.0.g0639b59-master-rt #3 2864531ca0be0aecd9a6687c6a7534c103a4beb1
[ 3.867413] Hardware name: MEDION MS-7848/MS-7848, BIOS M7848W08.20C 09/23/2013
[ 3.867413] Call Trace:
[ 3.867415] <TASK>
[ 3.867416] dump_stack_lvl+0x44/0x58
[ 3.867421] __might_resched+0x141/0x160
[ 3.867425] rt_spin_lock+0x2d/0x70
[ 3.867428] crng_make_state+0x76/0x1c0
[ 3.867430] _get_random_bytes.part.16+0x4e/0x110
[ 3.867432] ? nvkm_vmm_iter.constprop.11+0x311/0x860 [nouveau d5cea19cce3ba6cfae6272043bf13df497098c8d]
[ 3.867512] ? ___slab_alloc+0x31a/0x660
[ 3.867514] ? nvkm_vmm_sparse_unref_ptes+0x80/0x80 [nouveau d5cea19cce3ba6cfae6272043bf13df497098c8d]
[ 3.867579] ? gf100_vmm_pgt_sgl+0x230/0x230 [nouveau d5cea19cce3ba6cfae6272043bf13df497098c8d]
[ 3.867644] default_pointer+0x2a0/0x2d0
[ 3.867647] vsnprintf+0x35a/0x4c0
[ 3.867649] va_format.isra.16+0x6e/0xa0
[ 3.867651] vsnprintf+0x35a/0x4c0
[ 3.867653] vprintk_store+0x141/0x520
[ 3.867655] ? vsnprintf+0x48f/0x4c0
[ 3.867657] vprintk_emit+0x44/0x170
[ 3.867659] dev_vprintk_emit+0x185/0x1ae
[ 3.867662] ? dev_printk_emit+0x4a/0x66
[ 3.867663] dev_printk_emit+0x4a/0x66
[ 3.867665] ? kfree+0x165/0x340
[ 3.867667] _dev_info+0x64/0x80
[ 3.867669] ? nvc0_fbcon_fillrect+0x132/0x170 [nouveau d5cea19cce3ba6cfae6272043bf13df497098c8d]
[ 3.867738] nouveau_fbcon_create+0x2bc/0x4e0 [nouveau d5cea19cce3ba6cfae6272043bf13df497098c8d]
[ 3.867805] __drm_fb_helper_initial_config_and_unlock+0x30b/0x570 [drm_kms_helper ecc92b0a1aa52e1818472d4bed64af1f48245922]
[ 3.867820] nouveau_fbcon_init+0x158/0x1c0 [nouveau d5cea19cce3ba6cfae6272043bf13df497098c8d]
[ 3.867885] nouveau_drm_device_init+0x1db/0x840 [nouveau d5cea19cce3ba6cfae6272043bf13df497098c8d]
[ 3.867953] ? pci_update_current_state+0x65/0xa0
[ 3.867957] nouveau_drm_probe+0x11b/0x220 [nouveau d5cea19cce3ba6cfae6272043bf13df497098c8d]
[ 3.868023] ? rt_spin_unlock+0x13/0x40
[ 3.868025] local_pci_probe+0x42/0x90
[ 3.868027] pci_device_probe+0x176/0x240
[ 3.868029] ? sysfs_do_create_link_sd.isra.2+0x68/0xd0
[ 3.868031] really_probe+0x108/0x3d0
[ 3.868033] __driver_probe_device+0x100/0x170
[ 3.868035] driver_probe_device+0x1f/0xa0
[ 3.868036] __driver_attach+0xaa/0x170
[ 3.868038] ? __device_attach_driver+0xe0/0xe0
[ 3.868039] ? __device_attach_driver+0xe0/0xe0
[ 3.868040] bus_for_each_dev+0x73/0xc0
[ 3.868042] bus_add_driver+0x153/0x240
[ 3.868044] ? 0xffffffffc083f000
[ 3.868045] driver_register+0x5b/0xf0
[ 3.868046] ? 0xffffffffc083f000
[ 3.868047] do_one_initcall+0x3e/0x260
[ 3.868050] ? kmem_cache_alloc_trace+0x116/0x260
[ 3.868052] do_init_module+0x4b/0x1f0
[ 3.868054] load_module+0x1891/0x22a0
[ 3.868058] ? __do_sys_finit_module+0xaf/0x120
[ 3.868059] __do_sys_finit_module+0xaf/0x120
[ 3.868061] do_syscall_64+0x58/0x80
[ 3.868063] ? ksys_mmap_pgoff+0xc9/0x1e0
[ 3.868066] ? syscall_exit_to_user_mode+0x17/0x30
[ 3.868068] ? do_syscall_64+0x67/0x80
[ 3.868069] ? syscall_exit_to_user_mode+0x17/0x30
[ 3.868071] ? do_syscall_64+0x67/0x80
[ 3.868072] ? do_syscall_64+0x67/0x80
[ 3.868072] ? do_syscall_64+0x67/0x80
[ 3.868073] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 3.868076] RIP: 0033:0x7fc66d483ec9
[ 3.868078] Code: 2e 00 b8 ca 00 00 00 0f 05 eb a5 66 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 97 7f 2d 00 f7 d8 64 89 01 48
[ 3.868079] RSP: 002b:00007fff450b9a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 3.868080] RAX: ffffffffffffffda RBX: 000055d3248168a0 RCX: 00007fc66d483ec9
[ 3.868081] RDX: 0000000000000000 RSI: 00007fc66ddf779d RDI: 000000000000001b
[ 3.868082] RBP: 00007fc66ddf779d R08: 0000000000000000 R09: 000055d3247f69a0
[ 3.868083] R10: 000000000000001b R11: 0000000000000246 R12: 0000000000020000
[ 3.868083] R13: 000055d32481e460 R14: 0000000000000000 R15: 000055d32481d260
[ 3.868085] </TASK>
[ 3.867406] nouveau 0000:01:00.0: DRM: allocated 1920x1080 fb: 0xa0000, bo 00000000cb6e75e2
[ 3.868165] fbcon: nouveaudrmfb (fb0) is primary device
[ 4.190312] Console: switching to colour frame buffer device 240x67
[ 4.474555] nouveau 0000:01:00.0: [drm] fb0: nouveaudrmfb frame buffer device
[ 4.502083] [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on minor 0
next reply other threads:[~2022-06-18 9:25 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-18 9:25 Mike Galbraith [this message]
2022-06-24 8:42 ` v5.19-rc2-rt3: nouveau might sleep splat Sebastian Andrzej Siewior
2022-06-24 9:52 ` Mike Galbraith
2022-06-24 10:18 ` Sebastian Andrzej Siewior
2022-06-24 10:19 ` Sebastian Andrzej Siewior
2022-06-24 14:30 ` John Ogness
2022-06-24 14:31 ` John Ogness
2022-06-24 14:39 ` Sebastian Andrzej Siewior
2022-06-25 3:26 ` Mike Galbraith
2022-07-21 13:06 ` Mike Galbraith
2022-07-25 8:15 ` Sebastian Andrzej Siewior
2022-07-25 9:58 ` John Ogness
2022-07-25 13:26 ` Mike Galbraith
2022-08-03 16:10 ` Petr Mladek
2022-08-05 14:23 ` John Ogness
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