Thanks for your bug report. Can you try the following: gnome-session-remove nautilus gdb nautilus (gdb) set logging on (gdb) break gdk_x_error (answer 'y' to "Make breakpoint pending on future shared library load?") (gdb) run --sync <...> (gdb) thread apply all bt full
and attach the gdb.txt to this bug report. ** Changed in: nautilus (Ubuntu) Importance: Undecided => Low Assignee: (unassigned) => Ubuntu Desktop Bugs Status: Unconfirmed => Needs Info -- Nautilus cannot start from MacOSX 10.4/X11 https://launchpad.net/bugs/74766 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs