I have very similar issues on my Dell C600 running dapper (2.6.15-8), except that it only happens to me after resuming from suspend-to-ram. The NoAccel option also fixes it for me, or just using the vesa driver instead of ati.
http://bugzilla.ubuntu.com/show_bug.cgi?id=17342
I have very similar issues on my Dell C600 running dapper (2.6.15-8), except
that it only happens to me after resuming from suspend-to-ram. The NoAccel
option also fixes it for me, or just using the vesa driver instead of ati.
http:// bugzilla. ubuntu. com/show_ bug.cgi? id=17342