My thinkpad (t43p) recently overheated, after changing the fan and heatsink the cpu scaling now works correctly. It seems the issue was simply that the kernel decided to keep the cpu speed low rather than running the fan to cool it down. This bug report can be closed
** Changed in: linux (Ubuntu) Status: Incomplete => Invalid -- cpu scaling not working properly https://bugs.launchpad.net/bugs/381588 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