Bug 108905 - [CI][DRMTIP] igt@runner@aborted - fail - BUG: unable to handle kernel NULL pointer dereference at 0000000000000940 in [snd_hda_codec]
Summary: [CI][DRMTIP] igt@runner@aborted - fail - BUG: unable to handle kernel NULL po...
Status: NEW
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: Other All
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard: ReadyForDev
Keywords:
Depends on:
Blocks:
 
Reported: 2018-11-29 16:01 UTC by Martin Peres
Modified: 2018-11-29 16:01 UTC (History)
1 user (show)

See Also:
i915 platform: CNL
i915 features: display/audio


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Description Martin Peres 2018-11-29 16:01:38 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_145/fi-cnl-u/igt@runner@aborted.html

<1>[   10.913474] BUG: unable to handle kernel NULL pointer dereference at 0000000000000940
<6>[   10.913476] PGD 0 P4D 0 
<4>[   10.913481] Oops: 0000 [#1] PREEMPT SMP PTI
<4>[   10.913485] CPU: 3 PID: 154 Comm: kworker/3:3 Not tainted 4.20.0-rc3-gd926a87e72c5-drmtip_145+ #1
<4>[   10.913487] Hardware name: Intel Corporation CannonLake Client Platform/CannonLake Y LPDDR4 RVP, BIOS CNLSFWR1.R00.X114.B11.1712190231 12/19/2017
<4>[   10.913493] Workqueue: pm pm_runtime_work
<4>[   10.913501] RIP: 0010:snd_hda_gen_path_power_filter+0xa/0x90 [snd_hda_codec_generic]
<4>[   10.913503] Code: 48 8b 34 cd a0 c8 23 c0 e9 2e ff ff ff e8 9e 6b e5 ea 41 8d 56 01 b8 01 00 00 00 e9 e0 fe ff ff 48 8b 87 70 05 00 00 53 89 d3 <f6> 80 40 09 00 00 01 75 0d 80 bf c9 07 00 00 00 78 04 89 d8 5b c3
<4>[   10.913505] RSP: 0000:ffffad150059bd08 EFLAGS: 00010286
<4>[   10.913508] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
<4>[   10.913510] RDX: 0000000000000003 RSI: 0000000000000001 RDI: ffff8e4ca15367e8
<4>[   10.913511] RBP: 000000000000000a R08: 0000000097f1db78 R09: 0000000000000000
<4>[   10.913513] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
<4>[   10.913515] R13: 0000000000000003 R14: 0000000000000001 R15: 0000000000000008
<4>[   10.913517] FS:  0000000000000000(0000) GS:ffff8e4ca8f80000(0000) knlGS:0000000000000000
<4>[   10.913519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[   10.913521] CR2: 0000000000000940 CR3: 000000025fcb4002 CR4: 0000000000760ee0
<4>[   10.913523] PKRU: 55555554
<4>[   10.913524] Call Trace:
<4>[   10.913534]  hda_set_power_state+0x87/0x100 [snd_hda_codec]
<4>[   10.913543]  ? hda_codec_runtime_resume+0x40/0x40 [snd_hda_codec]
<4>[   10.913549]  hda_call_codec_suspend+0x6a/0xa0 [snd_hda_codec]
<4>[   10.913556]  hda_codec_runtime_suspend+0x54/0xa0 [snd_hda_codec]
<4>[   10.913561]  __rpm_callback+0xb3/0x1b0
<4>[   10.913568]  ? hda_codec_runtime_resume+0x40/0x40 [snd_hda_codec]
<4>[   10.913572]  rpm_callback+0x1a/0x70
<4>[   10.913578]  ? hda_codec_runtime_resume+0x40/0x40 [snd_hda_codec]
<4>[   10.913581]  rpm_suspend+0x125/0x6b0
<4>[   10.913588]  pm_runtime_work+0x6e/0xb0
<4>[   10.913592]  process_one_work+0x262/0x630
<4>[   10.913599]  worker_thread+0x37/0x380
<4>[   10.913603]  ? process_one_work+0x630/0x630
<6>[   10.913604] input: HDA Intel PCH HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input8
<4>[   10.913607]  kthread+0x119/0x130
<4>[   10.913611]  ? kthread_park+0x80/0x80
<4>[   10.913616]  ret_from_fork+0x3a/0x50
<4>[   10.913623] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek(+) snd_hda_codec_generic i915 x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_hda_intel ghash_clmulni_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm e1000e mei_me mei prime_numbers
<4>[   10.913640] CR2: 0000000000000940
<4>[   10.913643] ---[ end trace c765afbc6f765ec7 ]---
<3>[   10.914688] BUG: sleeping function called from invalid context at kernel/sched/completion.c:99
<3>[   10.914691] in_atomic(): 1, irqs_disabled(): 1, pid: 154, name: kworker/3:3
<4>[   10.914692] INFO: lockdep is turned off.
<4>[   10.914693] irq event stamp: 36766
<4>[   10.914698] hardirqs last  enabled at (36765): [<ffffffffab978c6c>] _raw_spin_unlock_irqrestore+0x4c/0x60
<4>[   10.914702] hardirqs last disabled at (36766): [<ffffffffab0019b0>] trace_hardirqs_off_thunk+0x1a/0x1c
<4>[   10.914706] softirqs last  enabled at (36594): [<ffffffffabc0033a>] __do_softirq+0x33a/0x4b9
<4>[   10.914709] softirqs last disabled at (36585): [<ffffffffab0929f9>] irq_exit+0xa9/0xc0
<3>[   10.914710] Preemption disabled at:
<4>[   10.914711] [<0000000000000000>]           (null)
<4>[   10.914715] CPU: 3 PID: 154 Comm: kworker/3:3 Tainted: G      D           4.20.0-rc3-gd926a87e72c5-drmtip_145+ #1
<4>[   10.914718] Hardware name: Intel Corporation CannonLake Client Platform/CannonLake Y LPDDR4 RVP, BIOS CNLSFWR1.R00.X114.B11.1712190231 12/19/2017
<4>[   10.914721] Workqueue: pm pm_runtime_work
<4>[   10.914724] Call Trace:
<4>[   10.914730]  dump_stack+0x67/0x9b
<4>[   10.914733]  ___might_sleep+0x167/0x250
<4>[   10.914739]  wait_for_common+0x40/0x1f0
<4>[   10.914747]  virt_efi_query_variable_info+0x161/0x1b0
<4>[   10.914753]  efi_query_variable_store+0xb3/0x1a0
<4>[   10.914761]  ? efivar_entry_set_safe+0x168/0x1d0
<4>[   10.914764]  ? efi_delete_dummy_variable+0x90/0x90
<4>[   10.914767]  efivar_entry_set_safe+0x168/0x1d0
<4>[   10.914880]  ? efi_pstore_write+0x105/0x150
<4>[   10.914883]  ? efi_pstore_write+0xa2/0x150
<4>[   10.914887]  efi_pstore_write+0x105/0x150
<4>[   10.914899]  pstore_dump+0x12b/0x350
<4>[   10.914910]  kmsg_dump+0x87/0x1c0
<4>[   10.914915]  oops_end+0x3e/0x90
<4>[   10.914920]  no_context+0x167/0x410
<4>[   10.914926]  page_fault+0x1e/0x30
<4>[   10.914932] RIP: 0010:snd_hda_gen_path_power_filter+0xa/0x90 [snd_hda_codec_generic]
<4>[   10.914935] Code: 48 8b 34 cd a0 c8 23 c0 e9 2e ff ff ff e8 9e 6b e5 ea 41 8d 56 01 b8 01 00 00 00 e9 e0 fe ff ff 48 8b 87 70 05 00 00 53 89 d3 <f6> 80 40 09 00 00 01 75 0d 80 bf c9 07 00 00 00 78 04 89 d8 5b c3
<4>[   10.914937] RSP: 0000:ffffad150059bd08 EFLAGS: 00010286
<4>[   10.914941] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
<4>[   10.914943] RDX: 0000000000000003 RSI: 0000000000000001 RDI: ffff8e4ca15367e8
<4>[   10.914946] RBP: 000000000000000a R08: 0000000097f1db78 R09: 0000000000000000
<4>[   10.914948] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
<4>[   10.914950] R13: 0000000000000003 R14: 0000000000000001 R15: 0000000000000008
<4>[   10.914961]  ? msleep+0x33/0x40
<4>[   10.914967]  hda_set_power_state+0x87/0x100 [snd_hda_codec]
<4>[   10.914976]  ? hda_codec_runtime_resume+0x40/0x40 [snd_hda_codec]
<4>[   10.914982]  hda_call_codec_suspend+0x6a/0xa0 [snd_hda_codec]
<4>[   10.914990]  hda_codec_runtime_suspend+0x54/0xa0 [snd_hda_codec]
<4>[   10.914994]  __rpm_callback+0xb3/0x1b0
<4>[   10.915000]  ? hda_codec_runtime_resume+0x40/0x40 [snd_hda_codec]
<4>[   10.915003]  rpm_callback+0x1a/0x70
<4>[   10.915009]  ? hda_codec_runtime_resume+0x40/0x40 [snd_hda_codec]
<4>[   10.915012]  rpm_suspend+0x125/0x6b0
<4>[   10.915018]  pm_runtime_work+0x6e/0xb0
<4>[   10.915022]  process_one_work+0x262/0x630
<4>[   10.915028]  worker_thread+0x37/0x380
<4>[   10.915033]  ? process_one_work+0x630/0x630
<4>[   10.915036]  kthread+0x119/0x130
<4>[   10.915040]  ? kthread_park+0x80/0x80
<4>[   10.915044]  ret_from_fork+0x3a/0x50
<3>[   10.915067] BUG: scheduling while atomic: kworker/3:3/154/0x00000002
<4>[   10.915069] INFO: lockdep is turned off.
<4>[   10.915070] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek(+) snd_hda_codec_generic i915 x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_hda_intel ghash_clmulni_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm e1000e mei_me mei prime_numbers
<3>[   10.915083] Preemption disabled at:
<4>[   10.915085] [<0000000000000000>]           (null)
<4>[   10.915088] CPU: 3 PID: 154 Comm: kworker/3:3 Tainted: G      D W         4.20.0-rc3-gd926a87e72c5-drmtip_145+ #1
<4>[   10.915090] Hardware name: Intel Corporation CannonLake Client Platform/CannonLake Y LPDDR4 RVP, BIOS CNLSFWR1.R00.X114.B11.1712190231 12/19/2017
<4>[   10.915093] Workqueue: pm pm_runtime_work
<4>[   10.915095] Call Trace:
<4>[   10.915100]  dump_stack+0x67/0x9b
<4>[   10.915103]  __schedule_bug+0x7b/0xd0
<4>[   10.915107]  __schedule+0x8cf/0xb50
<4>[   10.915113]  ? wait_for_common+0x116/0x1f0
<4>[   10.915117]  schedule+0x2d/0x90
<4>[   10.915120]  schedule_timeout+0x236/0x4f0
<4>[   10.915125]  ? lock_acquire+0xa6/0x1c0
<4>[   10.915129]  ? wait_for_common+0x48/0x1f0
<4>[   10.915135]  ? wait_for_common+0x116/0x1f0
<4>[   10.915138]  wait_for_common+0x13a/0x1f0
<4>[   10.915143]  ? wake_up_q+0x70/0x70
<4>[   10.915149]  virt_efi_set_variable+0x151/0x1a0
<4>[   10.915154]  efivar_entry_set_safe+0xea/0x1d0
<4>[   10.928233]  ? efi_pstore_write+0x105/0x150
<4>[   10.928239]  ? efi_pstore_write+0xa2/0x150
<4>[   10.928242]  efi_pstore_write+0x105/0x150
<4>[   10.928252]  pstore_dump+0x12b/0x350
<4>[   10.928262]  kmsg_dump+0x87/0x1c0
<4>[   10.928266]  oops_end+0x3e/0x90
<4>[   10.928270]  no_context+0x167/0x410
<4>[   10.928275]  page_fault+0x1e/0x30
<4>[   10.928282] RIP: 0010:snd_hda_gen_path_power_filter+0xa/0x90 [snd_hda_codec_generic]
<4>[   10.928284] Code: 48 8b 34 cd a0 c8 23 c0 e9 2e ff ff ff e8 9e 6b e5 ea 41 8d 56 01 b8 01 00 00 00 e9 e0 fe ff ff 48 8b 87 70 05 00 00 53 89 d3 <f6> 80 40 09 00 00 01 75 0d 80 bf c9 07 00 00 00 78 04 89 d8 5b c3
<4>[   10.928285] RSP: 0000:ffffad150059bd08 EFLAGS: 00010286
<4>[   10.928287] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
<4>[   10.928289] RDX: 0000000000000003 RSI: 0000000000000001 RDI: ffff8e4ca15367e8
<4>[   10.928290] RBP: 000000000000000a R08: 0000000097f1db78 R09: 0000000000000000
<4>[   10.928291] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
<4>[   10.928292] R13: 0000000000000003 R14: 0000000000000001 R15: 0000000000000008
<4>[   10.928300]  ? msleep+0x33/0x40
<4>[   10.928307]  hda_set_power_state+0x87/0x100 [snd_hda_codec]
<4>[   10.928312]  ? hda_codec_runtime_resume+0x40/0x40 [snd_hda_codec]
<4>[   10.928316]  hda_call_codec_suspend+0x6a/0xa0 [snd_hda_codec]
<4>[   10.928322]  hda_codec_runtime_suspend+0x54/0xa0 [snd_hda_codec]
<4>[   10.928325]  __rpm_callback+0xb3/0x1b0
<4>[   10.928330]  ? hda_codec_runtime_resume+0x40/0x40 [snd_hda_codec]
<4>[   10.928333]  rpm_callback+0x1a/0x70
<4>[   10.928338]  ? hda_codec_runtime_resume+0x40/0x40 [snd_hda_codec]
<4>[   10.928340]  rpm_suspend+0x125/0x6b0
<4>[   10.928345]  pm_runtime_work+0x6e/0xb0
<4>[   10.928349]  process_one_work+0x262/0x630
<4>[   10.928354]  worker_thread+0x37/0x380
<4>[   10.928357]  ? process_one_work+0x630/0x630
<4>[   10.928359]  kthread+0x119/0x130
<4>[   10.928362]  ? kthread_park+0x80/0x80
<4>[   10.928365]  ret_from_fork+0x3a/0x50
<4>[   10.928516] WARNING: CPU: 3 PID: 154 at kernel/rcu/tree_plugin.h:337 rcu_note_context_switch+0x84/0x610
<4>[   10.928517] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek(+) snd_hda_codec_generic i915 x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_hda_intel ghash_clmulni_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm e1000e mei_me mei prime_numbers
<4>[   10.928531] CPU: 3 PID: 154 Comm: kworker/3:3 Tainted: G      D W         4.20.0-rc3-gd926a87e72c5-drmtip_145+ #1
<4>[   10.928532] Hardware name: Intel Corporation CannonLake Client Platform/CannonLake Y LPDDR4 RVP, BIOS CNLSFWR1.R00.X114.B11.1712190231 12/19/2017
<4>[   10.928535] Workqueue: pm pm_runtime_work
<4>[   10.928539] RIP: 0010:rcu_note_context_switch+0x84/0x610
<4>[   10.928541] Code: 25 00 4f 01 00 8b 88 7c 08 00 00 85 c9 0f 84 c4 01 00 00 45 84 ed 8b 85 78 03 00 00 0f 85 bf 00 00 00 85 c0 0f 8e bf 00 00 00 <0f> 0b 80 bd 7c 03 00 00 00 0f 84 d3 01 00 00 48 89 ef e8 e5 fc ff
<4>[   10.928542] RSP: 0000:ffffad150059b748 EFLAGS: 00010002
<4>[   10.928544] RAX: 0000000000000001 RBX: ffff8e4ca8fb2c40 RCX: 0000000000000002
<4>[   10.928545] RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffffffffac0aab66
<4>[   10.928547] RBP: ffff8e4ca3d88040 R08: 0000000000000000 R09: 0000000000000000
<4>[   10.928548] R10: ffffad150059b5c0 R11: ffffffffac248100 R12: ffff8e4ca3d88040
<4>[   10.928549] R13: 0000000000000000 R14: 0000000000031f00 R15: 0000000000000000
<4>[   10.928551] FS:  0000000000000000(0000) GS:ffff8e4ca8f80000(0000) knlGS:0000000000000000
<4>[   10.928553] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[   10.928554] CR2: 0000000000000940 CR3: 000000025fcb4002 CR4: 0000000000760ee0
<4>[   10.928556] PKRU: 55555554
<4>[   10.928556] Call Trace:
<4>[   10.928562]  __schedule+0xbc/0xb50
<4>[   10.928567]  ? wait_for_common+0x116/0x1f0
<4>[   10.928569]  schedule+0x2d/0x90
<4>[   10.928572]  schedule_timeout+0x236/0x4f0
<4>[   10.928575]  ? lock_acquire+0xa6/0x1c0
<4>[   10.928578]  ? wait_for_common+0x48/0x1f0
<4>[   10.928583]  ? wait_for_common+0x116/0x1f0
<4>[   10.928586]  wait_for_common+0x13a/0x1f0
<4>[   10.928589]  ? wake_up_q+0x70/0x70
<4>[   10.928594]  virt_efi_set_variable+0x151/0x1a0
<4>[   10.928598]  efivar_entry_set_safe+0xea/0x1d0
<4>[   10.928603]  ? efi_pstore_write+0x105/0x150
<4>[   10.928605]  ? efi_pstore_write+0xa2/0x150
<4>[   10.928608]  efi_pstore_write+0x105/0x150
<4>[   10.928617]  pstore_dump+0x12b/0x350
<4>[   10.928625]  kmsg_dump+0x87/0x1c0
<4>[   10.928628]  oops_end+0x3e/0x90
<4>[   10.928631]  no_context+0x167/0x410
<4>[   10.928636]  page_fault+0x1e/0x30
<4>[   10.928641] RIP: 0010:snd_hda_gen_path_power_filter+0xa/0x90 [snd_hda_codec_generic]
<4>[   10.928643] Code: 48 8b 34 cd a0 c8 23 c0 e9 2e ff ff ff e8 9e 6b e5 ea 41 8d 56 01 b8 01 00 00 00 e9 e0 fe ff ff 48 8b 87 70 05 00 00 53 89 d3 <f6> 80 40 09 00 00 01 75 0d 80 bf c9 07 00 00 00 78 04 89 d8 5b c3
<4>[   10.928644] RSP: 0000:ffffad150059bd08 EFLAGS: 00010286
<4>[   10.928646] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
<4>[   10.928647] RDX: 0000000000000003 RSI: 0000000000000001 RDI: ffff8e4ca15367e8
<4>[   10.928648] RBP: 000000000000000a R08: 0000000097f1db78 R09: 0000000000000000
<4>[   10.928650] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
<4>[   10.928651] R13: 0000000000000003 R14: 0000000000000001 R15: 0000000000000008
<4>[   10.928658]  ? msleep+0x33/0x40
<4>[   10.928663]  hda_set_power_state+0x87/0x100 [snd_hda_codec]
<4>[   10.928669]  ? hda_codec_runtime_resume+0x40/0x40 [snd_hda_codec]
<4>[   10.928673]  hda_call_codec_suspend+0x6a/0xa0 [snd_hda_codec]
<4>[   10.928679]  hda_codec_runtime_suspend+0x54/0xa0 [snd_hda_codec]
<4>[   10.928682]  __rpm_callback+0xb3/0x1b0
<4>[   10.928686]  ? hda_codec_runtime_resume+0x40/0x40 [snd_hda_codec]
<4>[   10.928689]  rpm_callback+0x1a/0x70
<4>[   10.928694]  ? hda_codec_runtime_resume+0x40/0x40 [snd_hda_codec]
<4>[   10.928697]  rpm_suspend+0x125/0x6b0
<4>[   10.928702]  pm_runtime_work+0x6e/0xb0
<4>[   10.928705]  process_one_work+0x262/0x630
<4>[   10.928709]  worker_thread+0x37/0x380
<4>[   10.928712]  ? process_one_work+0x630/0x630
<4>[   10.928715]  kthread+0x119/0x130
<4>[   10.928718]  ? kthread_park+0x80/0x80
<4>[   10.928721]  ret_from_fork+0x3a/0x50
<4>[   10.928727] irq event stamp: 36766
<4>[   10.928729] hardirqs last  enabled at (36765): [<ffffffffab978c6c>] _raw_spin_unlock_irqrestore+0x4c/0x60
<4>[   10.928732] hardirqs last disabled at (36766): [<ffffffffab0019b0>] trace_hardirqs_off_thunk+0x1a/0x1c
<4>[   10.928735] softirqs last  enabled at (36594): [<ffffffffabc0033a>] __do_softirq+0x33a/0x4b9
<4>[   10.928738] softirqs last disabled at (36585): [<ffffffffab0929f9>] irq_exit+0xa9/0xc0
<4>[   10.928742] WARNING: CPU: 3 PID: 154 at kernel/rcu/tree_plugin.h:337 rcu_note_context_switch+0x84/0x610
<4>[   10.928743] ---[ end trace c765afbc6f765ec8 ]---
<6>[   10.929105] input: HDA Intel PCH HDMI/DP,pcm=9 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input9
<6>[   10.929529] input: HDA Intel PCH HDMI/DP,pcm=10 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input10
<6>[   10.929947] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1f.3/sound/card0/input11
<6>[   10.930284] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1f.3/sound/card0/input12
<4>[   11.201298] RIP: 0010:snd_hda_gen_path_power_filter+0xa/0x90 [snd_hda_codec_generic]
<7>[   11.215205] [drm:intel_power_well_disable [i915]] disabling power well 2
<4>[   11.215990] Code: 48 8b 34 cd a0 c8 23 c0 e9 2e ff ff ff e8 9e 6b e5 ea 41 8d 56 01 b8 01 00 00 00 e9 e0 fe ff ff 48 8b 87 70 05 00 00 53 89 d3 <f6> 80 40 09 00 00 01 75 0d 80 bf c9 07 00 00 00 78 04 89 d8 5b c3
<4>[   11.215992] RSP: 0000:ffffad150059bd08 EFLAGS: 00010286
<4>[   11.215994] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
<4>[   11.215995] RDX: 0000000000000003 RSI: 0000000000000001 RDI: ffff8e4ca15367e8
<4>[   11.215996] RBP: 000000000000000a R08: 0000000097f1db78 R09: 0000000000000000
<4>[   11.215997] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
<4>[   11.216000] R13: 0000000000000003 R14: 0000000000000001 R15: 0000000000000008
<1>[   11.272417] BUG: unable to handle kernel NULL pointer dereference at 000000000000093d
<4>[   11.273079] FS:  0000000000000000(0000) GS:ffff8e4ca8f80000(0000) knlGS:0000000000000000
<6>[   11.274156] PGD 0 P4D 0 
<4>[   11.275189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[   11.276175] Oops: 0000 [#2] PREEMPT SMP PTI
<4>[   11.277146] CR2: 00007fbe2731c5a0 CR3: 000000025fcb4001 CR4: 0000000000760ee0
<4>[   11.277148] PKRU: 55555554
<4>[   11.278145] CPU: 0 PID: 441 Comm: alsactl Tainted: G      D W         4.20.0-rc3-gd926a87e72c5-drmtip_145+ #1
<4>[   11.490854] Hardware name: Intel Corporation CannonLake Client Platform/CannonLake Y LPDDR4 RVP, BIOS CNLSFWR1.R00.X114.B11.1712190231 12/19/2017
<4>[   11.490859] RIP: 0010:automute_mode_info+0xe/0x40 [snd_hda_codec_generic]
<4>[   11.490862] Code: 00 00 66 2e 0f 1f 84 00 00 00 00 00 31 c9 48 c7 c2 e0 ea 1e c0 e9 e2 fe ff ff 66 90 48 8b 87 80 00 00 00 48 8b 80 70 05 00 00 <0f> b6 80 3d 09 00 00 83 e0 06 3c 06 74 09 31 c9 31 d2 e9 eb 98 fb
<4>[   11.494018] RSP: 0018:ffffad1500643c90 EFLAGS: 00010286
<4>[   11.494020] RAX: 0000000000000000 RBX: ffffad1500643cc8 RCX: 0000000000000000
<4>[   11.494021] RDX: 0000000000000000 RSI: ffffad1500643cc8 RDI: ffff8e4c9d12e948
<4>[   11.494023] RBP: ffff8e4c9d12e948 R08: 0000000000000000 R09: 0000000000000000
<4>[   11.494024] R10: ffffad1500643c18 R11: ffff8e4c9ff23a50 R12: ffff8e4c9ff239f0
<4>[   11.494025] R13: ffff8e4c9a2b04a8 R14: ffff8e4c9a2b04a8 R15: 0000000000000000
<4>[   11.494027] FS:  00007f8b1efbe740(0000) GS:ffff8e4ca8e00000(0000) knlGS:0000000000000000
<4>[   11.494029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[   11.503207] CR2: 000000000000093d CR3: 000000024dfb6004 CR4: 0000000000760ef0
<4>[   11.503207] PKRU: 55555554
<4>[   11.503208] Call Trace:
<4>[   11.503214]  snd_ctl_elem_info+0x4e/0x160
<4>[   11.508109]  snd_ctl_elem_info_user+0x52/0xa0
<4>[   11.508118]  snd_ctl_ioctl+0x602/0x750
<4>[   11.510229]  ? __handle_mm_fault+0x80a/0xfa0
<4>[   11.510235]  do_vfs_ioctl+0xa0/0x6e0
<4>[   11.510240]  ? syscall_trace_enter+0xd3/0x310
<4>[   11.510243]  ksys_ioctl+0x35/0x60
<4>[   11.510246]  __x64_sys_ioctl+0x11/0x20
<4>[   11.510248]  do_syscall_64+0x55/0x190
<4>[   11.510252]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4>[   11.510254] RIP: 0033:0x7f8b1e21c5d7
<4>[   11.510256] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48
<4>[   11.510257] RSP: 002b:00007ffcb40bfab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[   11.510259] RAX: ffffffffffffffda RBX: 00007ffcb40bfad0 RCX: 00007f8b1e21c5d7
<4>[   11.510261] RDX: 00007ffcb40bfad0 RSI: 00000000c1105511 RDI: 0000000000000003
<4>[   11.510262] RBP: 00007ffcb40c01a0 R08: 000000000000000c R09: 000055ba2b7c33e0
<4>[   11.510263] R10: 00007f8b1e2923f0 R11: 0000000000000246 R12: 000055ba2b7c3298
<4>[   11.510264] R13: 000055ba2b7c31e0 R14: 00007ffcb40c0158 R15: 0000000000000002
<4>[   11.510270] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek(+) snd_hda_codec_generic i915 x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_hda_intel ghash_clmulni_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm e1000e mei_me mei prime_numbers
<4>[   11.510283] CR2: 000000000000093d
<4>[   11.510286] ---[ end trace c765afbc6f765ec9 ]---
<3>[   11.511216] BUG: scheduling while atomic: alsactl/441/0x00000002
<4>[   11.535974] INFO: lockdep is turned off.
<4>[   11.535975] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek(+) snd_hda_codec_generic i915 x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_hda_intel ghash_clmulni_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm e1000e mei_me mei prime_numbers
<3>[   11.535986] Preemption disabled at:
<4>[   11.535987] [<0000000000000000>]           (null)
<4>[   11.535991] CPU: 0 PID: 441 Comm: alsactl Tainted: G      D W         4.20.0-rc3-gd926a87e72c5-drmtip_145+ #1
<4>[   11.535992] Hardware name: Intel Corporation CannonLake Client Platform/CannonLake Y LPDDR4 RVP, BIOS CNLSFWR1.R00.X114.B11.1712190231 12/19/2017
<4>[   11.535993] Call Trace:
<4>[   11.535999]  dump_stack+0x67/0x9b
<4>[   11.536002]  __schedule_bug+0x7b/0xd0
<4>[   11.551076]  __schedule+0x8cf/0xb50
<4>[   11.551079]  ? trace_hardirqs_on_thunk+0x1a/0x1c
<4>[   11.551082]  ? wait_for_common+0x116/0x1f0
<4>[   11.551085]  schedule+0x2d/0x90
<4>[   11.556162]  schedule_timeout+0x236/0x4f0
<4>[   11.556167]  ? wait_for_common+0x116/0x1f0
<4>[   11.556169]  wait_for_common+0x13a/0x1f0
<4>[   11.556173]  ? wake_up_q+0x70/0x70
<4>[   11.556177]  virt_efi_query_variable_info+0x161/0x1b0
<4>[   11.556181]  efi_query_variable_store+0xb3/0x1a0
<4>[   11.556186]  ? efivar_entry_set_safe+0x168/0x1d0
<4>[   11.556187]  ? efi_delete_dummy_variable+0x90/0x90
<4>[   11.556189]  efivar_entry_set_safe+0x168/0x1d0
<4>[   11.556193]  ? efi_pstore_write+0x105/0x150
<4>[   11.556195]  ? efi_pstore_write+0xa2/0x150
<4>[   11.556197]  efi_pstore_write+0x105/0x150
<4>[   11.556205]  pstore_dump+0x12b/0x350
<4>[   11.556212]  kmsg_dump+0x87/0x1c0
<4>[   11.556215]  oops_end+0x3e/0x90
<4>[   11.556218]  no_context+0x167/0x410
<4>[   11.556222]  page_fault+0x1e/0x30
<4>[   11.556227] RIP: 0010:automute_mode_info+0xe/0x40 [snd_hda_codec_generic]
<4>[   11.556229] Code: 00 00 66 2e 0f 1f 84 00 00 00 00 00 31 c9 48 c7 c2 e0 ea 1e c0 e9 e2 fe ff ff 66 90 48 8b 87 80 00 00 00 48 8b 80 70 05 00 00 <0f> b6 80 3d 09 00 00 83 e0 06 3c 06 74 09 31 c9 31 d2 e9 eb 98 fb
<4>[   11.556230] RSP: 0018:ffffad1500643c90 EFLAGS: 00010286
<4>[   11.556232] RAX: 0000000000000000 RBX: ffffad1500643cc8 RCX: 0000000000000000
<4>[   11.556233] RDX: 0000000000000000 RSI: ffffad1500643cc8 RDI: ffff8e4c9d12e948
<4>[   11.556234] RBP: ffff8e4c9d12e948 R08: 0000000000000000 R09: 0000000000000000
<4>[   11.556236] R10: ffffad1500643c18 R11: ffff8e4c9ff23a50 R12: ffff8e4c9ff239f0
<4>[   11.556237] R13: ffff8e4c9a2b04a8 R14: ffff8e4c9a2b04a8 R15: 0000000000000000
<4>[   11.556244]  snd_ctl_elem_info+0x4e/0x160
<4>[   11.556247]  snd_ctl_elem_info_user+0x52/0xa0
<4>[   11.556256]  snd_ctl_ioctl+0x602/0x750
<4>[   11.556259]  ? __handle_mm_fault+0x80a/0xfa0
<4>[   11.556264]  do_vfs_ioctl+0xa0/0x6e0
<4>[   11.556267]  ? syscall_trace_enter+0xd3/0x310
<4>[   11.556270]  ksys_ioctl+0x35/0x60
<4>[   11.556273]  __x64_sys_ioctl+0x11/0x20
<4>[   11.556275]  do_syscall_64+0x55/0x190
<4>[   11.556277]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4>[   11.556279] RIP: 0033:0x7f8b1e21c5d7
<4>[   11.556281] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48
<4>[   11.556282] RSP: 002b:00007ffcb40bfab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[   11.556284] RAX: ffffffffffffffda RBX: 00007ffcb40bfad0 RCX: 00007f8b1e21c5d7
<4>[   11.556285] RDX: 00007ffcb40bfad0 RSI: 00000000c1105511 RDI: 0000000000000003
<4>[   11.556286] RBP: 00007ffcb40c01a0 R08: 000000000000000c R09: 000055ba2b7c33e0
<4>[   11.556288] R10: 00007f8b1e2923f0 R11: 0000000000000246 R12: 000055ba2b7c3298
<4>[   11.556289] R13: 000055ba2b7c31e0 R14: 00007ffcb40c0158 R15: 0000000000000002
<4>[   11.864842] RIP: 0010:snd_hda_gen_path_power_filter+0xa/0x90 [snd_hda_codec_generic]
<4>[   11.904135] Code: 48 8b 34 cd a0 c8 23 c0 e9 2e ff ff ff e8 9e 6b e5 ea 41 8d 56 01 b8 01 00 00 00 e9 e0 fe ff ff 48 8b 87 70 05 00 00 53 89 d3 <f6> 80 40 09 00 00 01 75 0d 80 bf c9 07 00 00 00 78 04 89 d8 5b c3
<4>[   11.904137] RSP: 0000:ffffad150059bd08 EFLAGS: 00010286
<4>[   11.904138] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
<4>[   11.904140] RDX: 0000000000000003 RSI: 0000000000000001 RDI: ffff8e4ca15367e8
<4>[   11.904141] RBP: 000000000000000a R08: 0000000097f1db78 R09: 0000000000000000
<4>[   11.904142] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
<4>[   11.904144] R13: 0000000000000003 R14: 0000000000000001 R15: 0000000000000008
<4>[   11.904145] FS:  00007f8b1efbe740(0000) GS:ffff8e4ca8f00000(0000) knlGS:0000000000000000
<4>[   11.904146] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[   11.904148] CR2: 00007ffebd8207c0 CR3: 000000024dfb6001 CR4: 0000000000760ee0
<4>[   11.904148] PKRU: 55555554


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