On Monday, 16 December 2019 01:11:25 UTC+8, Claudia wrote:
>
> Claudia: 
> > [...] 
> > So, to recap what I've found so far: 
> > Fedora 25 live cd: works 
> > Qubes without Xen: works 
> > Qubes with Xen: codec probe error 
> > Qubes with Xen, VT-x & VT-d disabled: codec probe error 
> > Qubes with Xen, single_cmd=1: codec detected, but no sound 
> > 
> > [...] 
>
> Just following up. Audio works flawlessly out of the box in 
> R4.1-20181013 with kernel 4.19.76-1. Didn't work in R4.0.2 with 4.19 or 
> even 5.0 kernels even after days of tinkering with it. So it could be 
> due to the Xen version (4.8 -> 4.12), Fedora userland version (25 -> 
> 29), or changes to qubes-specific code/config (4.0 -> 4.1). I was hoping 
> to get it working in stable, but I'll probably just keep using 4.1 for 
> now. 
>
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Hi Claudia,

I'm suffering from the same problem as you, and 'dmesg | grep -i 
snd_hda_intel' brought me to this thread. 

My sound was originally working fine after I updated dom0 and domus (tested 
via Youtube) but somewhere along the line something broke and the next time 
I did the same thing, no sound. I did everything in my non-technical power 
but it's dead, bub. No idea what caused it.

dmesg output in short:

snd_hda_intel [Audio device PCI code thing]: azx_get_response timeout, 
switching to polling mode: last cmd=0xXXXXXXXXX

snd_hda_intel [Audio device PCI code thing]: No response from codec, 
resetting bus: last cmd=0xXXXXXXXXX    (this line keeps repeating)

snd_hda_intel [Audio device PCI code thing]: azx_get_response timeout, 
switching to single_cmd mode: last cmd=0xXXXXXXXXX

snd_hda_codec_realtek hdaudioC0D0: Unable to sync to register 0xXXXXXXX. -5
snd_hda_codc_hdmi hdaudioC0D2: HDMI: invalid ELD buf size   (note I'm not 
using HDMI)


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