I also have this same problem, even using 2.6.20-16, but acpi-cpufreq solves it. speedstep-centrino doesn't work.
My understanding is, even though acpi-cpufreq may have its own problems (I don't see it here), it seems to work mostly when speedstep-centrino doesn't even work at all. Computer: Lenovo Y400, 1.73 GHz Core Duo [EMAIL PROTECTED]:~$ uname -a Linux ojalanow 2.6.20-16-generic #2 SMP Fri Aug 31 00:55:27 UTC 2007 i686 GNU/Linux [EMAIL PROTECTED]:~$ for i in `cat` ; do cat $i ; done /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq acpi-cpufreq ondemand 1733000 1333000 1067000 800000 800000 [EMAIL PROTECTED]:~$ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 14 model name : Intel(R) Core(TM) Duo CPU T2250 @ 1.73GHz stepping : 12 cpu MHz : 800.000 cache size : 2048 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc pni monitor est tm2 xtpr bogomips : 3462.92 clflush size : 64 processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 14 model name : Intel(R) Core(TM) Duo CPU T2250 @ 1.73GHz stepping : 12 cpu MHz : 800.000 cache size : 2048 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc pni monitor est tm2 xtpr bogomips : 3458.28 clflush size : 64 -- speedstep-centrino driver not working on Pentium-M with ICH6 chipset - acpi-cpufreq driver used instead https://bugs.launchpad.net/bugs/120759 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
