Bug#607567: xserver-xorg-video-ati random black screen

[fakefur <fakefur@gmail.com>]

package: xserver-xorg-video-ati
version: 1:6.13.1-2+squeeze1
architecture: i386

after some ranodm amount of time operating normally my screen goes black 
... i cannot see any pattern to the occurence

i am using debian squeeze on a lenovo thinkpad t500

i tried filing with "reportbug" but it keeps crashing
:/