Same here: frequency scaling not working, neither by acpi-cpufreq nor speedstep-centrino. Notebook Maxdata 8100X (PentiumM 1.6GHz) ICH4
cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 13 model name : Intel(R) Pentium(R) M processor 1.60GHz stepping : 6 cpu MHz : 1593.583 cache size : 2048 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr mce cx8 sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss tm pbe up est tm2 bogomips : 3189.32 clflush size : 64 what is maybe more important: sudo modprobe acpi-cpufreq FATAL: Error inserting acpi_cpufreq (/lib/modules/2.6.22-14-generic/kernel/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.ko): No such device after that, in dmesg: ACPI: Invalid _PSS data: freq is zero sudo modprobe speedstep-centrino FATAL: Error inserting speedstep_centrino (/lib/modules/2.6.22-14-generic/kernel/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.ko): No such device nothing in dmesg after that. for dmesg output, please see: https://bugs.launchpad.net/ubuntu/+source/linux- source-2.6.22/+bug/152445 with BTW seems to be duplicat of this bug -- Kernel doesn't scale my CPU. https://bugs.launchpad.net/bugs/93331 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
