Graphics with intel GPU

Marius Gedminas marius at pov.lt
Mon May 18 12:55:23 UTC 2009


On Fri, May 15, 2009 at 08:09:56PM +0300, Marius Gedminas wrote:
> Now the downside of doing that, as described in
> http://www.ubuntu.com/getubuntu/releasenotes/904
> 
>   * Graphics performance is *very* slow if you use EXA (which is the
>     default acceleration method)

By the way, I when I disabled vertical sync in compiz and in driconf,
the performance with EXA went back to normal.  I also set
MigrationHeuristic to greedy in xorg.conf and upgraded the intel driver
to 2.7.1.  Unfortunately, I don't know which of these steps are the
minimum necessary to get acceptable performance.  Disabling vsync
with driconf might've been sufficient.

>   * There are random video freezes that make your laptop unusable until
>     reboot

This only happened once to me, and with UXA, so I'm lucky.  I have a
large custom Virtual desktop size in my xorg.conf, which makes the
freezes less frequent, I've heard.

Marius Gedminas
-- 
Of course I use Microsoft. Setting up a stable unix network is no challenge ;p
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