I fixed it by hitting escape in Grub, booting in recov mode, and selecting the 'Try to auto fix graphical problems' option from the recov menu. Which prob means that I can no longer obtain a useful backtrace. Sorry about that.
-- nautilus crashed with SIGSEGV when turning off show_desktop https://bugs.launchpad.net/bugs/324925 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