[Solved]The curious case of snd_hda_intel 0000:00:0e.0: No response from codec, resetting bus: last cmd=0x20bf8100

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mad_ady
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[Solved]The curious case of snd_hda_intel 0000:00:0e.0: No response from codec, resetting bus: last cmd=0x20bf8100

Post by mad_ady »

I've noticed two problems ever since I've dist-upgraded my son's H2 (regular H2) to Ubuntu 20.04 (from 19.10).

One of them is weird - lightdm starts on boot, the mouse moves, but the GUI doesn't respond to any input (keyboard/mouse) for 30 seconds or so. After that it works. It only happens on boot, no idea how to troubleshoot it. Hopefully it's related to problem #2:

On boot I get errors in dmesg in the form of:

Code: Select all

[  142.667894] snd_hda_intel 0000:00:0e.0: No response from codec, resetting bus: last cmd=0x207f0015
[  143.675694] snd_hda_intel 0000:00:0e.0: No response from codec, resetting bus: last cmd=0x207f0015
[  144.683398] snd_hda_intel 0000:00:0e.0: No response from codec, resetting bus: last cmd=0x2073b000
[  145.695155] snd_hda_intel 0000:00:0e.0: No response from codec, resetting bus: last cmd=0x20770740
[  146.703013] snd_hda_intel 0000:00:0e.0: No response from codec, resetting bus: last cmd=0x207f0015
[  147.710745] snd_hda_intel 0000:00:0e.0: No response from codec, resetting bus: last cmd=0x207f0015
[  148.718618] snd_hda_intel 0000:00:0e.0: No response from codec, resetting bus: last cmd=0x2073b000
[  149.726661] snd_hda_intel 0000:00:0e.0: No response from codec, resetting bus: last cmd=0x20770740
[  150.734485] snd_hda_intel 0000:00:0e.0: No response from codec, resetting bus: last cmd=0x207f0015
[  151.742183] snd_hda_intel 0000:00:0e.0: No response from codec, resetting bus: last cmd=0x207f0015
[  152.750183] snd_hda_intel 0000:00:0e.0: No response from codec, resetting bus: last cmd=0x2073b000
Eventually (about 2 and a half minutes after boot), pulseaudio starts working (previously it looks hung and the sound widget displays a big fat X on top, applications that need sound are stuck until sound is available).

Here is the full dmesg output: https://paste.ubuntu.com/p/4hFXFmwtsR/

I hope to have time to go through a pulseaudio/alsa troubleshooting guideline, but I thought I'd mention it in case others have noticed the same problem.

mad_ady
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Re: [Solved]The curious case of snd_hda_intel 0000:00:0e.0: No response from codec, resetting bus: last cmd=0x20bf8100

Post by mad_ady »

Well, that was quick. Googling for the error lead me here: https://forums.linuxmint.com/viewtopic.php?t=327629. I applied this fix:
sudo tee /etc/modprobe.d/snd-hda-intel-fix.conf <<<'options snd-hda-intel probe_mask=1'
Apparently the cause is a buggy BIOS, they say (I run an old version anyway, time for a bios upgrade). And great thing - now my lightdm is again responding to input on load, no more waiting. Yay!
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