It sounds like this bug is (at least partly) related to https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2040453
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/2042705 Title: screen blank randomly fails and system crashes when X is restarted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2042705/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs