Re: [gentoo-amd64] sudden sound loss

[Raffaele BELARDI]

I had the same problem on an NVIDIA 430, alsamixer levels ok, sound
unmuted, no syslog errors, after boot sound was ok but when I tried to
change the volume it muted and I had to reboot to get it back. It turned
out that the default card model for the alsa driver had changed to one
not compatible with mine (6 jacks vs 3 jacks). I added one option on the
kernel command line ('snd-had-intel model=3stack', default is 6stack)
and now it is again ok.

I doubt it applies to your case, but better than nothing... You might
try to check
the /usr/src/linux/Documentation/sound/alsa/ALSA-Configuration.txt for
any changes that apply to your driver.

raf

On Thu, 2008-04-10 at 07:43 -0400, Mark Haney wrote:
> I've beat my head on this for a week now and I can't come up with any
> answers.  For some reason sound has stopped working completely on my
> laptop.  I've checked dmesg and syslog for any errors and nothing shows
> up concerning the kernel having problems loading the driver (ATI IXP).
> I've not updated the kernel until yesterday (was using 2.6.23-r9 for a
> month prior to this morning when I booted up into the new .24 kernel
> (-r4) and still no sound.  It seems rather obvious that it's a
> library/software problem, but I have no idea how to start looking for
> that.  I've run revdep-rebuild a couple of times and it's rebuilt
> non-sound related packages.  alsamixer has the sound ard right and the
> volume level right.
>
> I'm out of ideas, anyone else have any?
>
> --
> Libenter homines id quod volunt credunt -- Caius Julius Caesar
>
>
> Mark Haney
> Sr. Systems Administrator
> ERC Broadband
> [phone]
>
> Call (866) ERC-7110 for after hours support

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