Appears to be caused by multiprocessor concurrency control as described in this forum post:
http://ubuntuforums.org/showpost.php?s=77d839839526cec5363fc8c94fae0f01&p=6105510&postcount=12 petri0's script fixed the problem on our X4500 based systems. -- DRM Breaks Resume from Suspend https://bugs.launchpad.net/bugs/274278 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