I also got same issue when i boot normal mode... If i open as recover mode, i don't facing this issue. for more details https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1574951
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1575467 Title: Ubuntu 16.04 consistently freezes up / hangs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1575467/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs