• Chris Wilson's avatar
    ALSA: hda: Flush interrupts on disabling · caa8422d
    Chris Wilson authored
    I was looking at
    
    <4> [241.835158] general protection fault: 0000 [#1] PREEMPT SMP PTI
    <4> [241.835181] CPU: 1 PID: 214 Comm: kworker/1:3 Tainted: G     U            5.2.0-CI-CI_DRM_6509+ #1
    <4> [241.835199] Hardware name: Dell Inc.                 OptiPlex 745                 /0GW726, BIOS 2.3.1  05/21/2007
    <4> [241.835234] Workqueue: events snd_hdac_bus_process_unsol_events [snd_hda_core]
    <4> [241.835256] RIP: 0010:input_handle_event+0x16d/0x5e0
    <4> [241.835270] Code: 48 8b 93 58 01 00 00 8b 52 08 89 50 04 8b 83 f8 06 00 00 48 8b 93 00 07 00 00 8d 70 01 48 8d 04 c2 83 e1 08 89 b3 f8 06 00 00 <66> 89 28 66 44 89 60 02 44 89 68 04 8b 93 f8 06 00 00 0f 84 fd fe
    <4> [241.835304] RSP: 0018:ffffc9000019fda0 EFLAGS: 00010046
    <4> [241.835317] RAX: 6b6b6b6ec6c6c6c3 RBX: ffff8880290fefc8 RCX: 0000000000000000
    <4> [241.835332] RDX: 000000006b6b6b6b RSI: 000000006b6b6b6c RDI: 0000000000000046
    <4> [241.835347] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000001
    <4> [241.835362] R10: ffffc9000019faa0 R11: 0000000000000000 R12: 0000000000000004
    <4> [241.835377] R13: 0000000000000000 R14: ffff8880290ff1d0 R15: 0000000000000293
    <4> [241.835392] FS:  0000000000000000(0000) GS:ffff88803de80000(0000) knlGS:0000000000000000
    <4> [241.835409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
    <4> [241.835422] CR2: 00007ffe9a99e9b7 CR3: 000000002f588000 CR4: 00000000000006e0
    <4> [241.835436] Call Trace:
    <4> [241.835449]  input_event+0x45/0x70
    <4> [241.835464]  snd_jack_report+0xdc/0x100
    <4> [241.835490]  snd_hda_jack_report_sync+0x83/0xc0 [snd_hda_codec]
    <4> [241.835512]  snd_hdac_bus_process_unsol_events+0x5a/0x70 [snd_hda_core]
    <4> [241.835530]  process_one_work+0x245/0x610
    
    which has the hallmarks of a worker queued from interrupt after it was
    supposedly cancelled (note the POISON_FREE), and I could not see where
    the interrupt would be flushed on shutdown so added the likely suspects.
    
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111174Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
    Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
    caa8422d
hdac_controller.c 15.8 KB