[alsa-devel] Realtek ALC889: HDA Intel and kernel 3.1 gives choppy sound (again)

Colomban Wendling lists.ban at herbesfolles.org
Tue Nov 22 19:13:48 CET 2011

Le 08/11/2011 07:32, Takashi Iwai a écrit :
> At Mon, 07 Nov 2011 23:45:40 +0100,
> Colomban Wendling wrote:
>> Hi,
>> Back to 3.0, the sound on my soundcard [1] started to be choppy, I
>> reported it [2] and it got fixed (thanks to Takashi Iwai!).
>> However, the story repeated with 3.1 (and probably 3.0.8 or before [3]):
>> I've got similar choppy sound again.
>> I bisected the few commits that happened on
>> sound/pci/hda/patch_realtek.c, and finally found the villain:
>> "8974bd51 ALSA: hda/realtek - Fix auto-mute with HP+LO configuration"
>> Reverting it from v3.1 fixes the problem.
> Does it?  Very weird.  This patch has nothing to do with the HD-audio
> controller side but purely a codec change.
>> master (94956ee) also suffers of the problem, but I couldn't test
>> without that commit because reverting it fails, too much changes happened.
> Did you try to pass position_fix=1 (or 2) option?
> Also, passing enable_msi=0 (or 1) may change anything?
> In anyway, please give alsa-info.sh output again with the fresh
> kernel.  Run it with --no-upload option and attach the output.

My answer was moderated because it was huge (including the alsa-info
outputs), but I guess you got it?  Any news on the subject?


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