/var/log/Xorg.0.log has lots of messages like this at the end, not sure if that's related:
tossed event which came in late mieqEnequeue: out-of-order valuator event; dropping. tossed event which came in late mieqEnequeue: out-of-order valuator event; dropping. tossed event which came in late Btw, this makes debugging OpenGL applications close to impossible. -- Running "strace glxgears" causes X to lock up https://bugs.launchpad.net/bugs/316240 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
