I compiled 2.6.20 for my box here. The cpufreq modules get loaded bug frequency scaling seems to still not work. I post an excerpt from dmesg.
[ 1956.152770] longhaul: VIA C3 'Samuel' [C5A] CPU detected. Longhaul v1 supported. [ 1956.152868] ACPI Exception (utmutex-0263): AE_BAD_PARAMETER, Thread E6D56550 could not acquire Mutex [2] [20060707] [ 1956.152951] longhaul: No ACPI support. Unsupported northbridge. [ 1956.526581] acpi_cpufreq: Unknown symbol acpi_processor_notify_smm [ 1956.527816] acpi_cpufreq: Unknown symbol acpi_processor_unregister_performance [ 1956.530384] acpi_cpufreq: Unknown symbol acpi_processor_preregister_performance [ 1956.532282] acpi_cpufreq: Unknown symbol acpi_processor_register_performance ** Summary changed: - cpu scaling for VIA CPUs deos not work + cpu scaling for VIA CPUs does not work -- cpu scaling for VIA CPUs does not work https://bugs.launchpad.net/bugs/50431 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs