On Sun, Nov 2, 2008 at 5:32 AM, Bob Wiegand <span dir="ltr"><<a href="mailto:bob_ml@stuffofmine.com">bob_ml@stuffofmine.com</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="Ih2E3d">Nick F wrote:<br>
> My experience upgrading Ubuntu 8.04 to 8.10 was relatively painless.<br>
> The only 'gotcha' I encountered was after upgrading my video performance<br>
> was terrible (with an integrated nvidia card on the motherboard) - HD<br>
> playback stuttered really badly even though had been good before.<br>
> glxgears went from about 2,000 before the upgrade to about 1,200 which<br>
> was another indication. It turns out the upgrade had turned on some<br>
> sort of special graphics effects. As soon as I turned effects back to<br>
> 'none' glxgears improved, and HD performance was restored.<br>
><br>
> So in case anyone else encounters this - try turning off all effects<br>
> before meddling with video playback profiles in myth.<br>
<br>
</div>You should check which driver Xorg is using.<br>
<br>
8.10 currently doesn't have drivers from Nvidia for many old graphics<br>
cards. They will only work with the open source "nv" driver.<br>
That may explain your performance drop.<br>
<br>
See:<br>
<a href="https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-96/+bug/251107/" target="_blank">https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-96/+bug/251107/</a><br>
<font color="#888888"><br>
Bob<br>
</font><div><br></div></blockquote></div>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!<br>