Confirmed, jcristau pointed to http://cgit.freedesktop.org/xorg/xserver/commit/?id=ac1a60e7b6f06fd075cc5bf55d6bc67206a01d29 and mentioned it might be a similar issue.
I've tried that an indeed that fixes it, that patch applies to raring and fixes the bug for me ** Changed in: xorg-server (Ubuntu) Status: Confirmed => Triaged ** Changed in: xorg-server (Ubuntu) Importance: Undecided => Low ** Changed in: xorg-server (Ubuntu) Status: Triaged => In Progress ** Patch added: "that fixes the issue on current raring (1.13)" https://bugs.launchpad.net/xorg-server/+bug/1079096/+attachment/3574445/+files/xephyr.diff -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1079096 Title: Xephyr does not have GLX To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1079096/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs