[mythtv-users] PVR 350 Sound Issues

[JJ Copeland]

I recently installed mythtv on my Mandrake 9.1 box.  The video looks great, 
but I get absolutely no audio when I try to watch live TV.  The box is using 
an AMD Athlon 800 in an Epox motherboard that has onboard audio (Mandrake 
set it up using the via82xx driver by default).  I'm using most all of the 
Mandrake install defaults, the only thing I've installed is the ivtv drivers 
for my Hauppauge PVR 350 and the packages required for mythtv.  The 
installer set up my sound card automagically, and sound works great in KDE.  
I've tried switching between OSS and ALSA through the KDE control center (I 
think that works), but I always get the same error when using mythtv or 
mplayer: Cannot open /dev/sound/dsp.  I've tried running both the front and 
back end as root, so I don't think its a permission problem.  However, when 
I do a cat /dev/video0 > test.mpg and play back that file, sound works just 
fine.  The error message mentions something about 'something else is using 
/dev/sound/dsp', but I have no idea what that could be.  I'm running 
everything through KDE which starts the artsd server by default, but after 
killing that process I still get the same error.  I've been through every 
piece of documentation I can find on the subject, but nothing has worked.  I 
tried replacing the msp3400.o file (that compiles as part of the ivtv 
package) in /usr/lib/modules/2.4.20.13/kernel/drivers/media or wherever the 
original was located, and that didn't help either.  Does anyone out there 
have a similar setup?  If so, how did you get it working?  Please post any 
comments or suggestions that might help, as I'm pretty much up against the 
wall with this one.  Thanks.

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