I am getting the same problem. Xorg goes into an apparent cpu loop, nothing at all response except for mouse pointer movement. The only way to get back is a "kill -9" sshd from another machine.
My hardware is ati radeon 9200se. From the other reports though, it doesn't seem graphics card specific. I've tried to find patterns to when it locks, but can't. It happens usually after about 20 minutes of desktop use, but has been much less and much more on occasion. -- Xorg process freezes, uses 100% of CPU. Can be killed by remote terminal. https://bugs.launchpad.net/bugs/51991 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs