Re: From the top... how do I get sound working in F11 ?

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On Wed, 2009-07-15 at 10:55 -0400, William Case wrote:
> Hi Linuxguy123;
> 
> On Tue, 2009-07-14 at 12:22 -0600, Linuxguy123 wrote:
> > I've been using F11 since it came out and it works great. But I haven't
> > had any sound since I did the upgrade.  Sound worked great in F10. Its
> > getting old not having sound.  How do I get it working ?
> > 

<snip>

> > 
> > How should I proceed from here ?
> 
> I have very much the same problem.
> 
> I have filed a bug regarding it.
> The bug is https://bugzilla.redhat.com/show_bug.cgi?id=511178
> 
> Check /var/log/messages and see if you can find a warning or error
> similar to:
> 
> "
> ...
> pulseaudio[2182]: alsa-sink.c: Increasing minimal latency to 1.00ms
> pulseaudio[2182]: alsa-sink.c: Increasing minimal
> latency to 2.00 ms
> pulseaudio[2182]: alsa-sink.c: Increasing minimal
> latency to 4.00 ms
> pulseaudio[2182]: alsa-sink.c: ALSA woke us up to
> write new data to the device, but there was actually nothing to write!
> pulseaudio[2182]: alsa-sink.c: Most likely this is
> a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to
> the ALSA developers.
> pulseaudio[2182]: alsa-sink.c: We were woken up with POLLOUT set --
> however a subsequent snd_pcm_avail() returned 0 or another value <
> min_avail.
> ...
> "
> If so, it matches my bug.  A bug search on Alsa, pulseaudio and alsa-lib
> shows many recent similar problems.
> 
> I filed bug 511178 two days ago but have received no response yet.  If
> it is appropriate (i.e. the same issue) I would appreciate your adding a
> comment to the bug.

I think my situation is a bit different.

>From /var/log/messages:

========================================================================
Jul 15 06:38:11 localhost pulseaudio[2989]: alsa-sink.c: ALSA woke us up
to write new data to the device, but there was actually nothing to
write!

Jul 15 06:38:11 localhost pulseaudio[2989]: alsa-sink.c: Most likely
this is a bug in the ALSA driver 'snd_hda_intel'. Please report this
issue to the ALSA developers.

Jul 15 06:38:11 localhost pulseaudio[2989]: alsa-sink.c: We were woken
up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0
or another value < min_avail.

Jul 15 06:38:14 localhost pulseaudio[2989]: reserve-wrap.c: Failed to
acquire reservation lock on device 'Audio0': Input/output error

Jul 15 06:38:20 localhost pulseaudio[2989]: reserve-wrap.c: Failed to
acquire reservation lock on device 'Audio0': Input/output error

Jul 15 06:38:20 localhost pulseaudio[2989]: alsa-source.c: ALSA woke us
up to read new data from the device, but there was actually nothing to
read!

Jul 15 06:38:20 localhost pulseaudio[2989]: alsa-source.c: Most likely
this is a bug in the ALSA driver 'snd_hda_intel'. Please report this
issue to the ALSA developers.

Jul 15 06:38:20 localhost pulseaudio[2989]: alsa-source.c: We were woken
up with POLLIN set -- however a subsequent snd_pcm_avail() returned 0 or
another value < min_avail.

Jul 15 06:38:33 localhost pulseaudio[2989]: reserve-wrap.c: Failed to
acquire reservation lock on device 'Audio0': Input/output error

===========================================================================

I am wondering if your problem wouldn't be solved by manually setting
the latency times as they do in the following post:

http://forums.fedoraforum.org/showthread.php?t=225660

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