Please post a few 'cat /proc/`pidof Xorg`/stack' to see where X is spinning - or just use perf (either perf top, or preferrably perf record -f -g -a ; perf report). And attach the full dmesg.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1183089 Title: xorg freezes on macbook air without external thunderbolt display To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1183089/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs