I've tried installing only driver packages from xorg-edgers PPA, namely:
xserver-xorg-video-ati_6.13.99+git20110104.30c5f217-0ubuntu0sarvatt2_i386.deb xserver-xorg-video-radeon_6.13.99+git20110104.30c5f217-0ubuntu0sarvatt2_i386.deb
It didn't solve the problem. After adding the PPA and doing a full apt-get dist-upgrade, the problem disappeared.
I've tried installing only driver packages from xorg-edgers PPA, namely:
xserver- xorg-video- ati_6.13. 99+git20110104. 30c5f217- 0ubuntu0sarvatt 2_i386. deb xorg-video- radeon_ 6.13.99+ git20110104. 30c5f217- 0ubuntu0sarvatt 2_i386. deb
xserver-
It didn't solve the problem. After adding the PPA and doing a full apt-get dist-upgrade, the problem disappeared.