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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT][BRW] NULL pointer dereference in snd_hda_codec_generic"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101246">101246</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BAT][BRW] NULL pointer dereference in snd_hda_codec_generic
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>martin.peres@free.fr
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Here is the full trace:
[ 292.165356] BUG: unable to handle kernel NULL pointer dereference at
0000000000000a20
[ 292.165393] IP: call_hp_automute+0xb/0x30 [snd_hda_codec_generic]
[ 292.165407] PGD 0
[ 292.165409] P4D 0
[ 292.165426] Oops: 0000 [#1] PREEMPT SMP
[ 292.165437] Modules linked in: snd_hda_intel i915 vgem coretemp tg3 ptp
pps_core lpc_ich snd_hda_codec_analog snd_hda_codec_generic snd_hda_codec
snd_hwdep snd_hda_core snd_pcm prime_numbers [last unloaded: i915]
[ 292.165501] CPU: 0 PID: 148 Comm: kworker/0:3 Tainted: G U
4.12.0-rc3-CI-CI_DRM_2673+ #1
[ 292.165520] Hardware name: Dell Inc. OptiPlex 745
/0GW726, BIOS 2.3.1 05/21/2007
[ 292.165550] Workqueue: events process_unsol_events [snd_hda_core]
[ 292.165566] task: ffff88003b29a600 task.stack: ffffc900001e0000
[ 292.165582] RIP: 0010:call_hp_automute+0xb/0x30 [snd_hda_codec_generic]
[ 292.165598] RSP: 0018:ffffc900001e3dc8 EFLAGS: 00010286
[ 292.165613] RAX: 0000000000000000 RBX: ffff88002e3f19e8 RCX:
0000000000000005
[ 292.165630] RDX: ffff8800314f2550 RSI: ffff88002e3f19e8 RDI:
ffff8800316c33f8
[ 292.165647] RBP: ffffc900001e3dc8 R08: ffff88003b29ae38 R09:
0000000000000000
[ 292.165664] R10: ffffc900001e3dc8 R11: 0000000000000001 R12:
ffff8800316c33f8
[ 292.165684] R13: ffff8800314f2550 R14: ffff88002e2aa5a0 R15:
ffff88002e2aa5a8
[ 292.165704] FS: 0000000000000000(0000) GS:ffff88003f200000(0000)
knlGS:0000000000000000
[ 292.165727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 292.165744] CR2: 0000000000000a20 CR3: 000000003a091000 CR4:
00000000000006f0
[ 292.165763] Call Trace:
[ 292.165786] call_jack_callback.isra.2+0x20/0xa0 [snd_hda_codec]
[ 292.165809] snd_hda_jack_unsol_event+0x62/0x70 [snd_hda_codec]
[ 292.165829] hda_codec_unsol_event+0x12/0x20 [snd_hda_codec]
[ 292.165848] process_unsol_events+0x5e/0x70 [snd_hda_core]
[ 292.165867] process_one_work+0x1fe/0x670
[ 292.165883] worker_thread+0x49/0x3b0
[ 292.165898] kthread+0x10f/0x150
[ 292.165910] ? process_one_work+0x670/0x670
[ 292.165924] ? kthread_create_on_node+0x40/0x40
[ 292.165940] ret_from_fork+0x27/0x40
[ 292.165955] Code: 48 8d 93 0a 05 00 00 be 04 00 00 00 eb c8 4c 89 e7 e8 3a
ff ff ff 5b 41 5c 5d c3 0f 1f 44 00 00 48 8b 87 68 05 00 00 55 48 89 e5 <48> 8b
80 20 0a 00 00 48 85 c0 74 04 ff d0 5d c3 e8 70 ff ff ff
[ 292.166091] RIP: call_hp_automute+0xb/0x30 [snd_hda_codec_generic] RSP:
ffffc900001e3dc8
[ 292.166112] CR2: 0000000000000a20
[ 292.166125] ---[ end trace 65ddd10cfd482602 ]---
[ 292.166141] BUG: sleeping function called from invalid context at
./include/linux/percpu-rwsem.h:33
[ 292.166165] in_atomic(): 0, irqs_disabled(): 1, pid: 148, name: kworker/0:3
[ 292.166182] INFO: lockdep is turned off.
[ 292.166194] irq event stamp: 3264388
[ 292.166207] hardirqs last enabled at (3264387): [<ffffffff8187bd73>]
restore_regs_and_iret+0x0/0x1d
[ 292.166232] hardirqs last disabled at (3264388): [<ffffffff8187d2af>]
error_entry+0x6f/0xc0
[ 292.166256] softirqs last enabled at (3263952): [<ffffffff810839f9>]
__do_softirq+0x1d9/0x4a0
[ 292.166279] softirqs last disabled at (3263931): [<ffffffff81083e39>]
irq_exit+0xa9/0xc0
[ 292.166301] CPU: 0 PID: 148 Comm: kworker/0:3 Tainted: G UD
4.12.0-rc3-CI-CI_DRM_2673+ #1
[ 292.166325] Hardware name: Dell Inc. OptiPlex 745
/0GW726, BIOS 2.3.1 05/21/2007
[ 292.166356] Workqueue: events process_unsol_events [snd_hda_core]
[ 292.166374] Call Trace:
[ 292.166388] dump_stack+0x67/0x97
[ 292.166401] ___might_sleep+0x162/0x250
[ 292.166415] __might_sleep+0x45/0x80
[ 292.166429] exit_signals+0x1f/0x2a0
[ 292.166443] do_exit+0x90/0xcc0
[ 292.166456] ? kthread+0x10f/0x150
[ 292.166469] ? process_one_work+0x670/0x670
[ 292.166483] rewind_stack_do_exit+0x17/0x20
[ 292.166545] do_IRQ: 0.35 No irq handler for vector
And the full IGT logs:
<a href="https://intel-gfx-ci.01.org/CI/CI_DRM_2673/fi-bwr-2160/igt@drv_module_reload@basic-reload-inject.html">https://intel-gfx-ci.01.org/CI/CI_DRM_2673/fi-bwr-2160/igt@drv_module_reload@basic-reload-inject.html</a></pre>
</div>
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