I'm tempted to believe it's a gtksourceview issue, especially bug 52975. If somebody could get a backtrace, that'd help to verify.
** Changed in: gedit (Ubuntu) Importance: Untriaged => Medium Assignee: (unassigned) => Ubuntu Desktop Bugs Status: Unconfirmed => Needs Info -- gedit crashes X on large xml file https://launchpad.net/bugs/53337 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs