I have installed the eds -dbg package and attached gdb to eds as per the instructions in https://wiki.ubuntu.com/Backtrace
I can recreate the problem with the message composition window freezing when autocompleting email addresses, gdb's output attached. ** Attachment added: "gdb output" http://librarian.launchpad.net/5019780/gdb-eds-1.8.txt -- eds crashes when auto-completing email address in a new email https://launchpad.net/bugs/71047 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs