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SubjectRe: PROBLEM: snd_intel_hda audio regression in 2.6.36-rc5
At Tue, 21 Sep 2010 20:32:54 +0300,
Aki Parviainen wrote:
>
> I've noticed an audio related problem in 2.6.36-rc5: when using 2.6.36-rc5 kernel
> I don't get normal two channel PCM audio at all on my machine, however multichannel audio
> works just fine.

What does this mean exactly? Could you show your test method?

> I'm using snd_hda_intel and I've configured ALSA to send all
> audio to spdif output. With earlier kernel versions this kind of setup works
> just fine but with 2.6.36-rc5 only audio that works is digital preencoded audio (5.1 dolby digital from
> dvd:s / mkv:s) works. There's no errors or anything but nothing comes to my
> amplifier. I've also tested 2.6.36-rc4 and it has the same problem, in the past I've never had any audio problems with mainline kernels.

Which kernel did it work?

> Booting with earlier kernel solves the problem immediately.

Run alsa-info.sh (with --no-upload option) on both working and
non-working kernel, and attach two files for compare. This will give
a more clear sight what is different between them.


thanks,

Takashi


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