[alsa-devel] hda-intel channels hibernate bug

Johannes Berg johannes at sipsolutions.net
Wed Apr 15 17:59:01 CEST 2009

On Wed, 2009-04-15 at 17:54 +0200, Takashi Iwai wrote:

> > Yes, this helps, thanks. Mind you, if I play music with mplayer _while_
> > hibernating, I get a horrible buzzing when waking up and mplayer says:
> > 
> > [AO_ALSA] alsa-lib: pcm_hw.c:727:(snd_pcm_hw_resume)
> > SNDRV_PCM_IOCTL_RESUME failed: Function not implemented
> This is actually no fatal error.  It appears because libao sets
> its own error logger.  But...
> > Needed to kill mplayer but the channels control is remembered properly.
> ... Necessity of kill sounds like a bug in either libao or else.

mplayer just hung there, while hda-intel was buzzing away... not very
nice, but I agree it's quite probably not a kernel bug.

> Anyway, I'll add the patch to the next pull request.

Alright, thanks.

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