rv250 (radeon 9000) black screen in Compiz (Karmic)

[Jonathan Hudson]

On Sat, 24 Oct 2009 06:35:56 -0500, Glenn Holmer wrote:

>I loaded up the RC of Karmic on my test box (Radeon RV250 a.k.a. Radeon
>9000) and found that my screen background goes black when I enable
>Compiz (application windows are still visible).  Nothing is found when
>Compiz is "Searching for available drivers" or when the "Hardware
>Drivers" app is run.
>
>Has anybody else seen this and/or have a workaround?

Probably this:

https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/444139

(see workaround in c. 3rd posting).

-jh