https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/125902
In my case, disabling composite options work fine. Please apply this solution -- GNOME session freezes to black screen, Failsafe GNOME session works fine https://bugs.launchpad.net/bugs/135228 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
