Sound skipping problems

Ariff Abdullah skywizard at
Tue Nov 8 08:41:05 PST 2005

On Tue, 08 Nov 2005 17:26:19 +0100
Sebastiaan van Erk <sebster at> wrote:
> Ok, well I got SOMETHING...
> First of all, I had to start using all 5 channels before any sound
> came  out. At that moment, a weird distorted version of *all*
> channels started  coming out of the speakers and I killed the audio
> thingies 1 by 1. The  sound quality is really lousy - a kind of
> hissing crackling sound is in  the songs (mostly drums/metal guitar,
> voice seems not to be affected as  much). Tweaking the sysctl's had
> no effect that I could discern.
> I also got the following errors in dmesg:
> pcm0:slave:3: play interrupt timeout, channel dead
> pcm0:slave:4: play interrupt timeout, channel dead

Now try this:

# kenv hint.pcm.0.via_dxs_disabled=1
# kldunload snd_via8233 ; kldload snd_via8233
# sysctl hw.snd.pcm0.vchans=5

I hope you're not too bothered getting back and forth.

Ariff Abdullah
MyBSD (IPv6/IPv4) (IPv6/IPv4) (IPv6/IPv4)

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