Matthias-Christian Ott schrieb: > Michael Thonke wrote: > >> Hello, >> >> I recently bought an Asus P5WAD2 motherboard which uses the Intel 955x >> chipset. >> I noticed that CPUFREQ/speedsteps with the same kernel and same >> config from >> my system with Intel 925XE and Intel Pentium 640 does not work on the >> system with >> Intel 955X chipset (the processor is the same). In Windows it works >> perfectly on 925XE >> and 955X chipset. >> The kernels I used >> >> 2.6.12-rc5 vanilla with git4 patch >> 2.6.12-rc5-mm1. >> >> I attached the output of dmesg and `cat /proc/cpuinfo` >> > Please turn on cpufreq debugging (see Documentation/ for details) and > post the output. > >> Thanks in advance >> >> Best regards >> Michael >> [ ... ] > > > Matthias-Christian Ott > Hello, the debug infos show following when I try to modprobe speedstep-centrino. speedstep-centrino: Invalid control/status registers (1 - 1) speedstep-centrino: <6>speedstep-centrino: invalid ACPI data speedstep-centrino: <6>speedstep-centrino: found unsupported CPU with Enhanced SpeedStep: send /proc/cpuinfo to Jeremy Fitzhardinge speedstep-centrino: Invalid control/status registers (1 - 1) speedstep-centrino: <6>speedstep-centrino: invalid ACPI data cpuinfo follows /Michael