sound problem

[Frans]

On Thu, 23 Oct 2008 18:11:02 -0700, Pastor JW wrote:

> We have a problem with the sound after the recent kernel update.  On the
> first 1525n everything works and on the second 1525n there is a red x
> and no sound. When you open the mixer window and look in the help menu
> under hardware information you find:
> "sound drivers supported:ALSA + OSS"
> "Sound drivers used: ALSA"
> on the one which works. On the other one you find: "sound drivers
> supported:ALSA + OSS"
> "Sound drivers used: ALSAOSS"
> "Experimental multiple-Driver mode activated" and there is no sound. 
> Both machines with kernel 2.6.24-21- generic. However, if you boot the
> second machine into the prior 2.6.24-19 - generic the same readout as
> the first machine is attained and then there is sound.  With the 21
> kernel it will also state there is no soundcard found.  Both of these
> machines are identical 1525n pre-installed Ubuntu machines.  The first
> one however was updated to 8.04 from 7.10 while the second was
> pre-installed with 8.04.
> 
> The manual says there is a kmixrc file which one can "enable"  this
> multi driver mode but the file does not have the line it says to put in
> there.  Any idea how to fix this?

Is there an online version of this manual?

http://linux.dell.com/ might help.

Good luck!

    -Frans