[Bug 105863] [CI] igt at kms_flip@2x-modeset-vs-vblank-race - dmesg-fail - BUG: unable to handle kernel NULL pointer dereference -IP: snd_hda_spdif_ctls_unassign+0x30/0x40 [snd_hda_codec]

Mon Apr 16 19:26:57 UTC 2018

https://bugs.freedesktop.org/show_bug.cgi?id=105863

--- Comment #1 from Martin Peres <martin.peres at free.fr> ---
Also seen on drmtip_14 on skl:
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_14/fi-skl-6260u/igt@kms_pipe_crc_basic@read-crc-pipe-c-frame-sequence.html

<0>[  119.363828] ---------------------------------
<4>[  119.363830] Modules linked in: snd_hda_intel i915 vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic btusb btrtl btbcm btintel bluetooth
x86_pkg_temp_thermal intel_powerclamp coretemp ecdh_generic crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hwdep snd_hda_core e1000e
snd_pcm mei_me mei prime_numbers pinctrl_sunrisepoint pinctrl_intel [last
unloaded: i915]
<4>[  119.363856] CPU: 2 PID: 1559 Comm: kms_pipe_crc_ba Tainted: G     U      
    4.16.0-rc7-ge023242a3eba-drmtip_14+ #1
<4>[  119.363857] Hardware name:  /NUC6i5SYB, BIOS
SYSKLi35.86A.0057.2017.0119.1758 01/19/2017
<4>[  119.363863] RIP: 0010:snd_hda_spdif_ctls_unassign+0x30/0x40
[snd_hda_codec]
<4>[  119.363865] RSP: 0018:ffffb7f90088f990 EFLAGS: 00010206
<4>[  119.363867] RAX: 0000000000000000 RBX: 0000000000000000 RCX:
0000000000000000
<4>[  119.363869] RDX: 00000000ffffffff RSI: 0000000000000000 RDI:
ffff93ce5f382870
<4>[  119.363871] RBP: ffff93ce5f3822a8 R08: ffff93ce610bb198 R09:
000000001d49e2c5
<4>[  119.363872] R10: ffffb7f90088f990 R11: ffff93ce610ba840 R12:
ffff93ce5f382870
<4>[  119.363874] R13: ffff93ce5f3822a8 R14: ffff93ce5998c330 R15:
0000000000000000
<4>[  119.363876] FS:  00007fe54a6a2980(0000) GS:ffff93ce6ed00000(0000)
knlGS:0000000000000000
<4>[  119.363878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  119.363880] CR2: 0000000000000000 CR3: 00000002596d2003 CR4:
00000000003606e0
<4>[  119.363881] Call Trace:
<4>[  119.363886]  update_eld+0x32a/0x460 [snd_hda_codec_hdmi]
<4>[  119.363918]  ? i915_audio_component_get_eld+0x141/0x150 [i915]
<4>[  119.363923]  hdmi_present_sense+0x22e/0x380 [snd_hda_codec_hdmi]
<4>[  119.363926]  ? __mutex_unlock_slowpath+0x48/0x2a0
<4>[  119.363930]  check_presence_and_report+0x59/0x80 [snd_hda_codec_hdmi]
<4>[  119.363962]  intel_audio_codec_disable+0xa6/0xd0 [i915]
<4>[  119.363996]  intel_disable_ddi+0xf3/0x120 [i915]
<4>[  119.364029]  intel_encoders_disable.isra.62+0x7a/0x80 [i915]
<4>[  119.364062]  haswell_crtc_disable+0x43/0x130 [i915]
<4>[  119.364096]  intel_atomic_commit_tail+0x20d/0xd10 [i915]
<4>[  119.364129]  intel_atomic_commit+0x24f/0x330 [i915]
<4>[  119.364134]  set_property_atomic+0xee/0x130
<4>[  119.364139]  drm_mode_obj_set_property_ioctl+0xe4/0x1a0
<4>[  119.364143]  ? drm_mode_connector_set_obj_prop+0x70/0x70
<4>[  119.364145]  drm_mode_connector_property_set_ioctl+0x39/0x60
<4>[  119.364148]  drm_ioctl_kernel+0xa3/0xe0
<4>[  119.364152]  drm_ioctl+0x2e2/0x380
<4>[  119.364155]  ? drm_mode_connector_set_obj_prop+0x70/0x70
<4>[  119.364160]  ? remove_vma+0x56/0x60
<4>[  119.364164]  do_vfs_ioctl+0x9a/0x6a0
<4>[  119.364167]  ? __task_pid_nr_ns+0xb9/0x1c0
<4>[  119.364170]  ? entry_SYSCALL_64_after_hwframe+0x52/0xb7
<4>[  119.364173]  SyS_ioctl+0x36/0x70
<4>[  119.364176]  do_syscall_64+0x65/0x1a0
<4>[  119.364180]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
<4>[  119.364182] RIP: 0033:0x7fe549d525d7
<4>[  119.364183] RSP: 002b:00007ffd3b957978 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4>[  119.364186] RAX: ffffffffffffffda RBX: 000055d66ece3de0 RCX:
00007fe549d525d7
<4>[  119.364188] RDX: 00007ffd3b9579b0 RSI: 00000000c01064ab RDI:
0000000000000003
<4>[  119.364190] RBP: 00007ffd3b9579b0 R08: 0000000000000000 R09:
0000000000000000
<4>[  119.364191] R10: 0000000000000051 R11: 0000000000000246 R12:
00000000c01064ab
<4>[  119.364193] R13: 0000000000000003 R14: 0000000000000000 R15:
0000000000000000
<4>[  119.364197] Code: c8 05 00 00 55 53 48 89 fd 89 f3 4c 89 e7 31 f6 e8 96
bf 60 c4 0f af 9d d0 06 00 00 48 8b 85 d8 06 00 00 ba ff ff ff ff 4c 89 e7 <66>
89 14 18 5b 5d 41 5c e9 73 b3 60 c4 0f 1f 00 41 54 55 48 89 
<1>[  119.364245] RIP: snd_hda_spdif_ctls_unassign+0x30/0x40 [snd_hda_codec]
RSP: ffffb7f90088f990
<4>[  119.364247] CR2: 0000000000000000
<4>[  119.364250] ---[ end trace e5e058b9642421ae ]---

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