I do not know if it's a drive bug or a gnome shell one. I found and reproduced some similar bug that maybe brings some help:
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/963526 and https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/963604 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/962636 Title: Gnome shell crashes when starting virtualbox on fullscreen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/962636/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
