Unfortunately, the upgrade is over, so this is going to be very hard to reproduce :)
Where could I look for a backtrace? -- dist-upgrade unlocked my session https://bugs.launchpad.net/bugs/520922 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs