Yes, I also meet this problem. My video card is R9600, when I installed dapper from scratch and the driver works great, but after I do a dist-upgrade (the day before yesterday, seems xorg-server has been upgraded), then this problem occurs. I'm not sure if this is a kernel or X bug...
I don't know how to solve this problem ...
Yes, I also meet this problem. My video card is R9600, when I installed dapper from scratch and the driver works great, but after I do a dist-upgrade (the day before yesterday, seems xorg-server has been upgraded), then this problem occurs. I'm not sure if this is a kernel or X bug...
I don't know how to solve this problem ...