[alsa-devel] regression: from 3.8 to 3.9: headphones output no sound on Intel HDA, codec VIA VT1802

Alex Riesen raa.lkml at gmail.com
Fri May 31 12:31:19 CEST 2013

On Wed, May 29, 2013 at 5:42 PM, Takashi Iwai <tiwai at suse.de> wrote:
> At Fri, 24 May 2013 23:32:14 +0200, Alex Riesen wrote:
>> I'm sorry to say that I will not be able to test it in the next
>> 8 or so days: I'll be traveling and without this particular laptop
>> with me. I hope someone with similar model (Sytem76 Lemur lemu4, i7)
>> can provide some testing in the meantime. Otherwise, I'll test
>> it as soon as I get back.
> Don't worry, the bug is more difficult than I thought :)

I was afraid you will say that sooner or later :)

> When you back, could you try the following and give the outputs?
> ...
> So, you'll get 4 alsa-info.sh outputs (step 3, 6, 7 and 8), and 4
> trace logs (step 5, 6 and 7).

Done. That's a lot of data, so please download it from here:


The system boot is in linuxrc-safemode, and the test itself in test.sh.
The logs and transcript in report/.


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