Wow, weird that this would cause high X CPU, but stranger things have happened. Since modifying grub solved it, it sounds like this may be more of a kernel issue than X so I'm reassigning.
** Package changed: xserver-xorg-video-intel (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Status: Incomplete => New -- xorg consumes up to 25% of CPU after upgrading to Ubuntu 9.10 https://bugs.launchpad.net/bugs/472406 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