[alsa-devel] cmipci and sound skipping ?

Matija Nalis mnalis-alsadev at voyager.hr
Mon Mar 15 20:35:57 CET 2010


On Mon, Mar 15, 2010 at 01:17:20PM +0100, Clemens Ladisch wrote:
> Matija Nalis wrote:
> > My card is "Asonic C-Media8738, 4 channel" and mostly works with snd_cmipci
> > driver - it is just that (even on completely unloaded system) the sound is
> > (very annoyingly) skipping.
> > ...
> > ALSA pcm_lib.c:316: BUG: pcmC0D0p:0, pos = 4294918144, buffer size = 16384, period size = 1024
> > 
> > Note that the pos is *always* the same (4294918144 = 0xffff4000 = -16384) which might be important.
> 
> This looks like a hardware bug.
> 
> It's possible that we can get a valid pointer by reading the register
> multiple times.  Please try the patch below.

Thanks Clemens, that patch seems to have fixed it !

-- 
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