Re: Sound problems in Sid

[Kent West <westk@acu.edu>]

Curt Howland wrote:

> Hi. Well, it worked under Knoppix, so I'm sure it's just me.
>  
<snip>

> I've just finished wiping and reinstalling Sid on a Vaio PCG-GRT170, 
> which has worked before but got messed up with a Xwindows upgrade last 
> week. Everything has come back except sound. mpg123 and xmms just hang 
> until killed, and the following error is seen in dmesg:
>
>   i810_audio: drain_dac, dma timeout?
>
> I've set the permissions on /dev/dsp and /dev/audio to 777, just to make 
> sure that wouldn't be the problem. Also...
>
> lsmod:
> i810_audio             24764   0
> ac97_codec             13716   0  [i810_audio]
> soundcore               3940   2  [i810_audio]
>
> lspci:
> 00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS] 
> Sound Controller (rev a0)
>
> KDE InfoCenter shows only one DMA-Channel, "4 cascade". 
>
> When I cat sound.au > /dev/audio, I get a screech, so it seems that's 
> completely out of time sync.
>
> The Sound-HowTo talked about kernel modules, which doesn't seem to be 
> the problem here.
>
> Any suggestions? I expect it's a permissions problem that I just don't 
> see, or the DMA that I just don't know how to make work.
>  

1]
Boot off the Knoppix CDs; check what modules are installed. Install 
those modules once you're back in sid.

2]
Make sure your user is in the "audio" group.

--
Kent