It happens only with current radeon module if 3D effects (Compiz) are enabled.
I had 5 days uptime with current radeon module (1:6.13.0-1ubuntu5) and NO Compiz enabled.
I had 4 days uptime with fglrx proprietary module and BOTH compiz enabled or disabled.
The system hangs up randomly. Just before a striped green screen appears, mouse freezes.
Hang-ups started after 6.13.* version of xserver-xorg-video-{radeon,ati} packages appeared in the repos.
Last working version (10+ days of uptime) was https://launchpad.net/ubuntu/+source/xserver-xorg-video-ati/1:6.12.192-2ubuntu2
I can confirm this on my Mobility Radeon HD 4570.
It happens only with current radeon module if 3D effects (Compiz) are enabled.
I had 5 days uptime with current radeon module (1:6.13.0-1ubuntu5) and NO Compiz enabled.
I had 4 days uptime with fglrx proprietary module and BOTH compiz enabled or disabled.
The system hangs up randomly. Just before a striped green screen appears, mouse freezes. xorg-video- {radeon, ati} packages appeared in the repos. /launchpad. net/ubuntu/ +source/ xserver- xorg-video- ati/1:6. 12.192- 2ubuntu2
Hang-ups started after 6.13.* version of xserver-
Last working version (10+ days of uptime) was https:/