Sounding more and more like a kernel bug. Especially since comment #13
mentions that it occurs in 5.5 (but not 5.4!?).
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1853374
Title:
pulseaudio disables GP107GL output every so often
Status in linux package in Ubuntu:
New
Status in pulseaudio package in Ubuntu:
Confirmed
Status in pulseaudio package in Debian:
New
Bug description:
Since upgrading to 19.10, the sound output on this PC stops.
Looking at the volume control's 'sound settings', the GP107GL High
Definition Audio Controller (digital stereo HMDI 2 output) is
disabled.
Doing
pluseaudio -k
restores it.
Possibly relevant from syslog:
Nov 18 07:48:51 example kernel: [42392.063211] snd_hda_codec_hdmi
hdaudioC0D0: HDMI: invalid ELD data byte 3
Nov 18 07:51:04 example kernel: [42524.900935] snd_hda_codec_hdmi
hdaudioC0D0: HDMI: invalid ELD data byte 2
Nov 18 08:05:23 example kernel: [43383.465647] snd_hda_codec_hdmi
hdaudioC0D0: HDMI: invalid ELD data byte 3
Nov 18 09:34:08 example kernel: [48708.806452] snd_hda_codec_hdmi
hdaudioC0D0: HDMI: invalid ELD data byte 4
Nov 18 13:32:46 example kernel: [63026.605375] snd_hda_codec_hdmi
hdaudioC0D0: HDMI: invalid ELD data byte 3
Nov 18 13:34:13 example kernel: [63114.281953] snd_hda_codec_hdmi
hdaudioC0D0: HDMI: invalid ELD data byte 3
Nov 18 13:34:40 example kernel: [63141.350110] snd_hda_codec_hdmi
hdaudioC0D0: HDMI: invalid ELD data byte 2
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