Re: [Alsa-user] Terrible Echo With Via VT8237 Chipset, CVS (Recent) ALSA & 2.6.17 Kernel

[Sergei S. <ste...@li...>]

On Sun, 18 Jun 2006 13:54:48 -0400
Lee Revell <rlr...@jo...> wrote:

> 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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2.6.17 is out according to

http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.17
.