Turns out, my issue looked like this bug, but was not related after all. While fixing another bug in laptop-mode-tools I wrote "-X" instead of "-x" causing the xorg process to spike to 100% cpu usage. I apologize for the confusion.
-- [karmic] Xorg 100% CPU utilization -- only after first login https://bugs.launchpad.net/bugs/439138 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