From: Lucas De Marchi <lucas.demarchi@intel.com>
To: Ramalingam C <ramalingam.c@intel.com>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>
Subject: Re: [Intel-gfx] [PATCH] sound/hda/hdac_i915: reduce the timeout for component binding
Date: Tue, 22 Feb 2022 09:11:36 -0800 [thread overview]
Message-ID: <20220222171136.xzglejs4grqw7ppm@ldmartin-desk2> (raw)
In-Reply-To: <20220222170413.5579-1-ramalingam.c@intel.com>
On Tue, Feb 22, 2022 at 10:34:13PM +0530, Ramalingam C wrote:
>To avoid the kernel taint for kworker being blocked for more than 30sec
>lets reduce the wait to 30Sec.
>
><3>[ 60.946316] INFO: task kworker/11:1:104 blocked for more than 30
>seconds.
><3>[ 60.946479] Tainted: G W
>5.17.0-rc5-CI-CI_DRM_11265+ #1
><3>[ 60.946580] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>disables this message.
><6>[ 60.946688] task:kworker/11:1 state:D stack:14192 pid: 104
>ppid: 2 flags:0x00004000
><6>[ 60.946713] Workqueue: events azx_probe_work [snd_hda_intel]
><6>[ 60.946740] Call Trace:
><6>[ 60.946745] <TASK>
><6>[ 60.946763] __schedule+0x42c/0xa80
><6>[ 60.946797] schedule+0x3f/0xc0
><6>[ 60.946811] schedule_timeout+0x1be/0x2e0
><6>[ 60.946829] ? del_timer_sync+0xb0/0xb0
><6>[ 60.946849] ? 0xffffffff81000000
><6>[ 60.946864] ? wait_for_completion_timeout+0x79/0x120
><6>[ 60.946879] wait_for_completion_timeout+0xab/0x120
><6>[ 60.946906] snd_hdac_i915_init+0xa5/0xb0 [snd_hda_core]
><6>[ 60.946943] azx_probe_work+0x71/0x84c [snd_hda_intel]
><6>[ 60.946974] process_one_work+0x275/0x5c0
><6>[ 60.947010] worker_thread+0x37/0x370
><6>[ 60.947028] ? process_one_work+0x5c0/0x5c0
><6>[ 60.947038] kthread+0xef/0x120
><6>[ 60.947047] ? kthread_complete_and_exit+0x20/0x20
><6>[ 60.947065] ret_from_fork+0x22/0x30
><6>[ 60.947110] </TASK>
>
>Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
to clarify: this should be in topic/core-for-CI branch. The longer term
fix is more elaborate on the sound/ side. For now, this is ok to use
with Intel CI. Our main issue is that when we have both integrated and
discreate, but integrated is disabled in the bios, i915 will never bind
to the integrated and the sound driver will wait until timeout. If the
timeout is greater than the hung_task_timeout, we get the warning above
and taint CI execution on BAT.
With the amended explanation above in the commit message:
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Lucas De Marchi
next prev parent reply other threads:[~2022-02-22 17:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-22 17:04 [Intel-gfx] [PATCH] sound/hda/hdac_i915: reduce the timeout for component binding Ramalingam C
2022-02-22 17:11 ` Lucas De Marchi [this message]
2022-02-23 1:23 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
2022-02-23 13:39 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2022-02-24 1:19 ` [Intel-gfx] ✗ Fi.CI.BAT: failure for sound/hda/hdac_i915: reduce the timeout for component binding (rev2) Patchwork
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