[mythtv-users] Mythbuntu 8.10

[Nick F]

On Sun, Nov 2, 2008 at 5:32 AM, Bob Wiegand <bob_ml at stuffofmine.com> wrote:

> Nick F wrote:
> > My experience upgrading Ubuntu 8.04 to 8.10 was relatively painless.
> > The only 'gotcha' I encountered was after upgrading my video performance
> > was terrible (with an integrated nvidia card on the motherboard) - HD
> > playback stuttered really badly even though had been good before.
> > glxgears went from about 2,000 before the upgrade to about 1,200 which
> > was another indication.  It turns out the upgrade had turned on some
> > sort of special graphics effects.  As soon as I turned effects back to
> > 'none' glxgears improved, and HD performance was restored.
> >
> > So in case anyone else encounters this - try turning off all effects
> > before meddling with video playback profiles in myth.
>
> You should check which driver Xorg is using.
>
> 8.10 currently doesn't have drivers from Nvidia for many old graphics
> cards. They will only work with the open source "nv" driver.
> That may explain your performance drop.
>
> See:
>
> https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-96/+bug/251107/
>
> Bob
>
> I'm running with the nvidia 177.80 driver (and Xorg 1.5.2).  It was the
compiz effects that were pushing me over the edge - and Ubuntu automatically
turning them on.  My built-in nvidia Geforce 7100 obviously isn't that
powerful!
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