Thanks for the info, excellent debugging. The X server is spinning in a loop and munging CPU. The repeating ioctl(7, 0x6444, 0) is probably a DRI request (from Xorg.0.log we can see file descriptor 7 is /dev/dri/card0 - you can verify it with ls -l /proc/`pgrep Xorg`/fd ).
Can you try to get a stack trace with gdb? You might want to install debug/symbol packages for xserver-xorg-core, libgl1-mesa-dri and libgl1 -mesa-glx. -- dri lockup on ati (mobility radeon rv350) https://bugs.launchpad.net/bugs/141551 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
