linux-kernel - Re: workqueue lockup due to process_unsol_events stuck in azx_rirb_get

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Message-ID: <ce970c05-5f23-9dbc-6d5b-2faa8c1d4044@suse.cz>
Date:   Mon, 30 Jan 2017 16:02:38 +0100
From:   Vlastimil Babka <vbabka@...e.cz>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     Jaroslav Kysela <perex@...ex.cz>, alsa-devel@...a-project.org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: workqueue lockup due to process_unsol_events stuck in
 azx_rirb_get_response

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.