Found a nice way to workaround this problem: use the attached script to launch thunderbird instead of the default one.
** Attachment added: "start-thunderbird.sh" http://launchpadlibrarian.net/31761242/start-thunderbird.sh -- thunderbird-bin crashed with signal 5 in _XError() https://bugs.launchpad.net/bugs/257483 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs