Fixed by 221_dixsetprivate_assertion_fix.patch. Don't worry about gathering the backtrace, this should fix it.
** Bug watch added: Debian Bug tracker #632549 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632549 ** Also affects: xorg-server (Debian) via http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632549 Importance: Unknown Status: Unknown ** Changed in: xorg-server (Ubuntu) Status: Incomplete => In Progress ** Changed in: xorg-server (Ubuntu) Assignee: (unassigned) => Bryce Harrington (bryce) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/821090 Title: Xephyr assert failure: Xephyr: ../../../../include/privates.h:116: dixGetPrivateAddr: Assertion `key->initialized' failed. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/821090/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs