I can confirm NoOPs experience. This just happens out of the blue, e.g while writing an e-mail the screen turns black and mouse and keyboard are dead (USB turned off?).
-- 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 Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs