Very lacking in information. Please provide the output of dmesg (attach, do not paste into comment).
Also explain why this usage of acpi_cpufreq is wrong. ** Changed in: linux-source-2.6.19 (Ubuntu) Status: Unconfirmed => Needs Info -- acpi_cpufreq used instead of speedstep-centrino https://launchpad.net/bugs/70915 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs