Odd code in sound/pcm/channel.c, help with PR?

Ariff Abdullah ariff at FreeBSD.org
Thu Apr 20 21:31:45 UTC 2006


On Wed, 19 Apr 2006 17:03:00 -0700
George Hartzell <hartzell at alerce.com> wrote:
>  > > 
>  > It's because the hardware DMA pointer is being lazy and need a
>  > good spank on its face.
>  > 
>  > Replace your sys/dev/sound/pci/via8233.c with:
>  > 
>  >   http://people.freebsd.org/~ariff/test/via8233.c
>  > 
>  > As usual, recompile your kernel, or just the modules. If this
>  > doesn't work, I still have few more other tricks.
>  > 
>  > Coincidently, I'm currently investigating DMA incoherency within
>  > few drivers, notably this and few others.
> 
> I think that you need to get a bigger stick.  I did a
> buildkernel/installkernel and still no sound when I cat to
> /dev/dsp0.0 and I still get the timeouts.
> 
Try again (same above link). Looks like we need to fabricate DMA
progress.


--
Ariff Abdullah
FreeBSD
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