*** This bug is a duplicate of bug 555870 *** https://bugs.launchpad.net/bugs/555870
removing gnome-screensaver solves my problem. Will mark as a dupe. ** This bug has been marked a duplicate of bug 555870 Gamma values are not being set properly after a second fade out resulting in a black screen -- Logout after switch user cause black screen https://bugs.launchpad.net/bugs/561538 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs