[mythtv-users] XvMC WriteAudio: buffer underrun -- partial solution

[Randy Schauffele II]

On 10/1/06, Roy Lofthouse <lofty69 at gmail.com> wrote:
>
>
>
> On 30/09/06, Dylan Semler <dylan.semler at gmail.com> wrote:
> >
> > On 9/30/06, Kevin Mori <kmori.nospam at gmail.com> wrote:
> > > > My video card is a MSI 6200 AGP fanless.  Those of you who have this
> > > > card, what does the AGP status show for your card?
> >
> > With my PNY 6200 AGP fanless and NVAGP set to 2:
> > [Dylan at boron ~]$ cat /proc/driver/nvidia/agp/status
> > Status:          Enabled
> > Driver:          AGPGART
> > AGP Rate:        4x
> > Fast Writes:     Disabled
> > SBA:             Disabled
> >
> > --
> > Dylan
> >
> > Type faster.  Use Dvorak:
> > http://dvzine.org
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> >
>
> if your kernel has not been set to NOT use agp it will use AGPART whatever
> you add to NVAGP in the xorg.conf.  For NVAGP to work you need to add
> AGP=off to your kernel paramters.  Doing this will change the driver in cat
> /proc/driver/nvidia/agp/status to:
>
> Status:          Enabled
> Driver:          NVidia
>
>
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>
>
NVAGP = 1 tries to use only NVAGP.  If you are using standard FC4/5 kernel
and you have not added agp=off to your kernel parameters (grub.conf) then
AGPGART will be enabled at boot and NVAGP will not be able to load.  The net
result is that neither will be used by the nvidia driver.

I personally am on FC5 and use Option "NVAGP" "3".  Everything being default
otherwise the nvidia driver will be using AGPGART but if I add the kernel
parameter "agp=off" then NVAGP will be used.  I have not noticed a
significant difference with my FX5200 card either way.

Randy
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