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Date:   Mon, 4 Nov 2019 18:31:01 +0100
From:   Tomas Janousek <tomi@nomi.cz>
To:     Paul Menzel <pmenzel@molgen.mpg.de>
Cc:     Andreas Noever <andreas.noever@gmail.com>,
        Michael Jamet <michael.jamet@intel.com>,
        Mika Westerberg <mika.westerberg@linux.intel.com>,
        Yehezkel Bernat <YehezkelShB@gmail.com>,
        Christian Kellner <ck@xatom.net>,
        intel-gfx@lists.freedesktop.org, Takashi Iwai <tiwai@suse.de>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Mario Limonciello <mario.limonciello@dell.com>
Subject: Re: snd_hda_intel 0000:00:1f.3: No response from codec, resetting
 bus: last cmd=
Message-ID: <20191104173101.ugg77cwr4rdguzx6@notes.lisk.in>
References: <b31b8649-cb2d-890b-2d4d-881e47895ee6@molgen.mpg.de>
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Hi Paul,

On Mon, Nov 04, 2019 at 01:57:54PM +0100, Paul Menzel wrote:
> On the Dell XPS 13 9380 with Debian Sid/unstable with Linux 5.3.7
> resuming0with Dell’s Thunderbolt TB16 dock connected, Linux spews
> the errors below.
> 
> ```
> [    0.000000] Linux version 5.3.0-1-amd64 (debian-kernel@lists.debian.org) (gcc version 9.2.1 20191008 (Debian 9.2.1-9)) #1 SMP Debian 5.3.7-1 (2019-10-19)
> […]
> [    1.596619] pci 0000:00:1f.3: Adding to iommu group 12
> [   14.536274] snd_hda_intel 0000:00:1f.3: enabling device (0000 -> 0002)
> [   14.544100] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
> [   14.760751] input: HDA Intel PCH Headphone Mic as /devices/pci0000:00/0000:00:1f.3/sound/card0/input16
> [   14.760790] input: HDA Intel PCH HDMI as /devices/pci0000:00/0000:00:1f.3/sound/card0/input17
> [  156.614284] snd_hda_intel 0000:00:1f.3: No response from codec, disabling MSI: last cmd=0x20270503
> [  157.622232] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270503
> [  158.626371] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370503
> [  159.634102] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
> [  161.678121] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270503
> [  162.682272] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370503
> [  163.694234] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
> [  165.730142] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270503
> […]
> ```

Debian's 5.3.0-1-amd64 has a corrupted signature on the snd-hda-codec-hdmi
module which prevents the module from loading and causes these errors. Further
details here: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942881

Workaround: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942881#20

-- 
Tomáš Janoušek, a.k.a. Pivník, a.k.a. Liskni_si, http://work.lisk.in/