Here's the output from ubuntu-bug for a failed bootup. I collected it by going to a tty and running ubuntu-bug --save.
** Attachment added: "bug_report" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1094567/+attachment/3471184/+files/bug_report -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1094567 Title: Blank (but responsive) screen with mouse pointer after update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1094567/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs