Odd code in sound/pcm/channel.c, help with PR?
George Hartzell
hartzell at alerce.com
Thu Apr 20 22:47:38 UTC 2006
Ariff Abdullah writes:
> 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.
I still get silence and the same message when cat /etc/termcap >
/dev/dsp0.0.
g.
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