Potential fix: I had a similar problem back in 2007: https://bugzilla.kernel.org/show_bug.cgi?id=9488 In my case a broken BIOS was the reason. As I could not get a newer (fixed) BIOS, I found two workarounds: a) using the processor.ignore_ppc flag, and b) (the "final" solution): using a kernel parameter acpi_osi="!Windows 2006"
** Bug watch added: Linux Kernel Bug Tracker #9488 http://bugzilla.kernel.org/show_bug.cgi?id=9488 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/709390 Title: CPU governor changes speed to minimum only -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
