Chris Coulson suggests this sounds very similar to a gnome-screensaver issue (bug #555870) he saw reported, where gnome-screensaver does not reliably reset the gamma back to the correct value after its faded.
To verify if this bug is the same as that bug, please collect an xtrace of gnome-screensaver while reproducing the behavior. -- [RS480] black screen after a few user switches https://bugs.launchpad.net/bugs/546578 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 : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
