From: Takashi Iwai <tiwai@suse.de>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: Jaroslav Kysela <perex@perex.cz>,
alsa-devel@alsa-project.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: workqueue lockup due to process_unsol_events stuck in azx_rirb_get_response
Date: Tue, 31 Jan 2017 10:35:00 +0100 [thread overview]
Message-ID: <s5hefzjlghn.wl-tiwai@suse.de> (raw)
In-Reply-To: <ce970c05-5f23-9dbc-6d5b-2faa8c1d4044@suse.cz>
On Mon, 30 Jan 2017 16:02:38 +0100,
Vlastimil Babka wrote:
>
> On 01/25/2017 06:06 PM, Takashi Iwai wrote:
> > The code path is related with the runtime PM, so it's likely depending
> > on the device state, e.g. long-time pause or such. I don't think Win
> > 10 plays a role, but who knows.
> >
> > In anyway, let me know if this helps. Basically I can merge it even
> > for now, as the fix shouldn't give a regression. But of course it'd
> > be better to have a test result :)
>
> OK so unfortunately it now happened with the patch.
Hm, do you get the very same stack trace?
It's strange because azx_rirb_get_response() has the timeout of 1
second in its loop, so it can't wait forever.
Takashi
prev parent reply other threads:[~2017-01-31 9:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-25 12:28 Vlastimil Babka
2017-01-25 14:54 ` Takashi Iwai
2017-01-25 17:03 ` Vlastimil Babka
2017-01-25 17:06 ` Takashi Iwai
2017-01-30 15:02 ` Vlastimil Babka
2017-01-31 9:35 ` Takashi Iwai [this message]
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