Looks like a poorly constructed DSDT in BIOS. Leaving with Kernel team for assessment.
-- 'cpuinfo' says 9999 MHz & scaling not working on P4 laptop https://bugs.launchpad.net/bugs/225319 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