I reinstalled my system anew because I feared some old cruft might cause this problem. That's not the case, the new installation behaves the same way.
In the kernel log I cannot find anything particularly useful: [drm] radeon default to kernel modesetting DISABLED. [drm] Initialized radeon 1.30.0 20080528 for 0000:01:00.0 on minor 0 -- Black screen with radeon KMS https://bugs.launchpad.net/bugs/410058 You received this bug notification because you are a member of Ubuntu-X, which is the registrant for xserver-xorg-driver-ati. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
