I have noticed that it happens when I unplug the laptop too. I don't know if it is related with the brightness lowering performed by the desktop. After the usual 20 seconds of flickering the computer is not usable for 2-3 minutes (the Xorg process uses the 100% of the CPU).
-- Screen flickering after logging in https://bugs.launchpad.net/bugs/312518 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
