Bug#532613: Possible cause?

[Andrew Pimlott]

I tried this workaround with poor results.  If I crank the first of
those four mixer levels all the way up and turn the volume of my
speakers all the way up, I can hear something.  But it's nowhere near
reasonable.  The other three levels have no effect.

I have a VIA MII1 with this sound chip:

00:11.5 Multimedia audio controller: VIA Technologies, Inc.  VT8233/A/8235/8237 
AC97 Audio Controller (rev 50)

I also did a diff of kernel messages between 2.6.26 and 2.6.30.  Here is
the relevant section:

+VIA 82xx Audio :00:11.5: PCI INT C - Link[LNKC] - GSI 5 (level, low) - 
IRQ 5
 VIA 82xx Audio :00:11.5: VIA VLink IRQ fixup, from 9 to 5
-PCI: Setting latency timer of device :02:00.0 to 64
+VIA 82xx Audio :00:11.5: setting latency timer to 64

Andrew



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Bug#532613: Possible cause?

[MP]

I upgraded from 2.6.26 to 2.6.30-1-amd64 kernel (debian unstable) and
I also found out my sound levels are ridiculously low when volume
maxed to 100%.

However I searched for solution and I have found a workaround:

In alsamixer, if you scroll to the right, there are four sliders Via
DXS - in my case they were all on zero. Once I put them all to 100%,
volume levels returned back to reasonable values (same as before the
bug).

So I guess these four DXS levels are probably incorrectly rememebered
or incorrectly reset.

Try raising these Via DXS sliders as a workaround till this is fixed properly.

MP



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