Happened the same to me after installed the VirtualBox guest additions. After the installation xorg didn't recognise the display too...
-- Xorg crashed with SIGSEGV in DamageUnregister() when using VirtualBox https://bugs.launchpad.net/bugs/324137 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
