linux-kernel - Re: [PATCH] ASoc: SOF: Fix sof-audio-pci-intel-tgl shutdown timeout during hibernation

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Message-ID: <alpine.DEB.2.22.394.2212071452350.3532114@eliteleevi.tm.intel.com>
Date:   Wed, 7 Dec 2022 14:55:45 +0200 (EET)
From:   Kai Vehmanen <kai.vehmanen@...ux.intel.com>
To:     Takashi Iwai <tiwai@...e.de>
cc:     Zhen Ni <nizhen@...ontech.com>, Jaroslav Kysela <perex@...ex.cz>,
        tiwai@...e.com, Alsa-devel <alsa-devel@...a-project.org>,
        linux-kernel@...r.kernel.org,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Ricardo Ribalda <ribalda@...omium.org>
Subject: Re: [PATCH] ASoc: SOF: Fix sof-audio-pci-intel-tgl shutdown timeout
 during hibernation

Hi,

On Wed, 7 Dec 2022, Takashi Iwai wrote:

> On Wed, 07 Dec 2022 11:22:29 +0100, Zhen Ni wrote:
> > On Dell Latitude 3420 Notebook, sof-audio-pci-intel-tgl may fail to shutdown
> > sporadically during hibernation as following log:
> > 
> > [   43.281110] PM: Image saving done
> > [   43.281699] PM: hibernation: Wrote 2828852 kbytes in 2.78 seconds(1017.57 MB/s)
> > [   43.282359] PM: SI
> > [   43.345156] kvm: exiting hardware virtualization
> > [   43.345865] auxiliary snd_sof.hda-probes.0: shutdown
>
> 
> It's a known problem and being discussed (although it's a slightly
> different code path):
>   https://lore.kernel.org/r/20221127-snd-freeze-v4-0-51ca64b7f2ab@chromium.org

thanks Zhen Ni for the report and patch. We have a fix candidate
in review+testing at:
https://github.com/thesofproject/linux/pull/4072

... that should help in your case as well. Once testing is complete,
we'll be sending the patch series to alsa-devel.

Br, Kai