On Sun, 2006-06-18 at 11:39 -0700, T.P. Reitzel wrote:
> Lee -
> 
> I don't know if I can explain it much better, but here's another 
> attempt. ANY sound just echoes for several seconds almost like the 
> problem is due to conflicting interrupts. If I play a brief tone (< 1 
> sec.), the tone will just echo for several seconds. Imagine listening to 
> a longer segment of audio in this manner. The result is just a 
> continuous jumble of echoes. Other users of similar hardware must be 
> experiencing the same problem. I haven't done ANYTHING other than 
> upgrade from the 2.6.16.1 kernel to the 2.6.17 kernel with a slightly 
> newer (Hg) version of ALSA. Remember, this problem has been worsening 
> throughout the life cyle of the 2.6.16.x kernels. HTH

I think you are hitting a known bug that's caused not by ALSA but by a
buggy PCI quirk for VIA chipsets.  It's a regression introduced during
the 2.6.16.x series.  It has been discussed on LKML and should be fixed
in the first 2.6.17 stable release.

Lee



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