Re: ALSA: hda/realtek: quirk for D945GCLF2 mainboard

["Stefan Lippers-Hollmann" <s.L-H@gmx.de>]

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Hi

On Friday 07 May 2010, Takashi Iwai wrote:
> At Thu, 29 Apr 2010 23:00:42 +0200,
> Stefan Lippers-Hollmann wrote:
> > 
> > Hi
> > 
> > Since kernel 2.6.33 (and including 2.6.34-rc5-git10), sound output is 
> > broken on my Intel D945GCLF2 mainboard, while it did work well on earlier
> > kernels up to and including 2.6.32.12.
> 
> Could you give alsa-info.sh output (run with --no-upload option)?
> I would revert in the worst case, but before that, I'd like to analyze
> the real issue.

Attached are alsa-info.sh and full, as far as the buffer allows, dmesg 
outputs from:
- plain 2.6.34-rc6-git5, no sound:
  + alsa-info_plain-2.6.34-rc6-git5.log.gz
  + dmesg_plain-2.6.34-rc6-git5.log.gz
- 2.6.34-rc6-git5 with the proposed 
  "revert-ALSA_hda-realtek_quirk-for-D945GCLF2-mainboard" applied:
  + alsa-info_revert-ALSA_hda-realtek_quirk-for-D945GCLF2-mainboard.log.gz
  + dmesg_revert-ALSA_hda-realtek_quirk-for-D945GCLF2-mainboard.log.gz
the kernel config is config-2.6.34-rc6-sidux-amd64.gz in both cases.

Additionally I've tested a current OpenSuSE factory live CD 
(openSUSE-KDE-LiveCD-x86_64-Build0589-Media.iso) daily with kernel 
2.6.34-rc - sound not working:
  + alsa-info_openSUSE-KDE-LiveCD-x86_64-Build0589-Media.log.gz
  + dmesg_openSUSE-KDE-LiveCD-x86_64-Build0589-Media.log.gz
and a few days old Fedora rawhide nightly with exactly the same symptoms,
no logs attached.

Up to and including kernel 2.6.32 (tested since ~2.6.26) ALSA always worked
out-of-the-box, once I revert 7aee67466536bbf8bb44a95712c848a61c5a0acd
(ALSA: hda/realtek: quirk for D945GCLF2 mainboard) from 2.6.33(.3) or 
2.6.34-rc6-git5, snd-hda-intel/ snd_hda_codec_realtek have managed to 
initialize again in all my my tests so far. I'd be happy to test any 
potential alternatives to that patch. Unfortunately I usually don't notice 
graphics or audio regressions quickly, as that system is running quasi 
headless/ speakerless most of the time, but I can test it any time of 
course.

Regards
	Stefan Lippers-Hollmann

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