I also get this problem. ATI HD 4670on 64 bit. User switching results in blank screen, and Ctrl+Alt+f1 / f2 etc doesn;t work. Neither does Alt+ SysRq+(anything). Machine is completely dead needing a power off.
This also happens when switching display - Ctrl+Alt+f1 is OK, but switching back to to GUI with Ctrl+Alt+f7 results in the same locked-up machine. -- black screen when switching between multiple X session https://bugs.launchpad.net/bugs/529882 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in ubuntu. _______________________________________________ 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
