I have Thinkpad T20 with a PIII Coppermine which I can't make to run at 700MHz, only at 550MHz. Frequency stays the same on Linux /proc/cpuinfo no matter how the BIOS settings are chosen with kernels 2.6.26, 2.6.28.7 2.6.31 and 2.6.32-rc5. Also I can't get any of the cpufrep/speedstep modules to recognize the CPU on any of these kernels.. Is Linux/cpufreq somehow forcing this to 550 MHz? How to setup cpufreq modules for this CPU? Should Linux be able force this to 700 MHz if BIOS CPU power options are set to auto? I've searched the net for a while and tried instructions like http://www.thinkwiki.org/wiki/How_to_get_SpeedStep_working_on_Coppermine-piix4-smi_based_ThinkPads#Ubuntu_.28Edgy.29 but they don't help. Running Debian unstable and latest linux-2.6.git kernel. Thanks for any clues. -Mikko # uname -a Linux eno 2.6.32-rc5 #1 PREEMPT Sat Oct 31 22:47:05 EET 2009 i686 GNU/Linux # cat /proc/cpuinfo vendor_id : GenuineIntel cpu family : 6 model : 8 model name : Pentium III (Coppermine) stepping : 3 cpu MHz : 547.625 cache size : 256 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 pae mce cx8 sep mtrr pge mca cmov pse36 mmx fxsr sse bogomips : 1095.25 clflush size : 32 cache_alignment : 32 address sizes : 36 bits physical, 32 bits virtual power management: # logs with boot option cpufreq.debug=7, trying speedstep-lib with # relaxed_check=1, trying to load various speedstep modules but they all fail: speedstep-lib: x86: 6, model: 8 speedstep-lib: Coppermine: MSR_IA32_EBL_CR_POWERON is 0x45080020, 0x0 speedstep-lib: Coppermine: MSR_IA32_PLATFORM ID is 0x0, 0x23570000 speedstep-smi: signature:0x00000000, command:0x00000000, event:0x00000000, perf_level:0x00000000. speedstep-lib: x86: 6, model: 8 speedstep-lib: Coppermine: MSR_IA32_EBL_CR_POWERON is 0x45080020, 0x0 speedstep-lib: Coppermine: MSR_IA32_PLATFORM ID is 0x0, 0x23570000 speedstep-ich: Intel(R) SpeedStep(TM) for this chipset not (yet) available. acpi-cpufreq: acpi_cpufreq_init acpi-cpufreq: acpi_cpufreq_early_init cpufreq-core: trying to register driver acpi-cpufreq cpufreq-core: adding CPU 0 acpi-cpufreq: acpi_cpufreq_cpu_init cpufreq-core: initialization failed cpufreq-core: no CPU initialized for driver acpi-cpufreq cpufreq-core: unregistering CPU 0 speedstep-lib: x86: 6, model: 8 speedstep-lib: Coppermine: MSR_IA32_EBL_CR_POWERON is 0x45080020, 0x0 speedstep-lib: Coppermine: MSR_IA32_PLATFORM ID is 0x0, 0x23570000 speedstep-smi: signature:0x00000000, command:0x00000000, event:0x00000000, perf_level:0x00000000. cpufreq-core: trying to register driver speedstep-smi cpufreq-core: adding CPU 0 speedstep-smi: trying to obtain ownership with command 82 at port b1 speedstep-smi: result is 0 speedstep-smi: bug #1422 -- can't read freqs from BIOS speedstep-smi: could not detect low and high frequencies by SMI call. speedstep-lib: trying to determine both speeds speedstep-lib: P3 - MSR_IA32_EBL_CR_POWERON: 0x45080020 0x0 speedstep-lib: speed is 550000 speedstep-lib: previous speed is 550000 speedstep-smi: trying to set frequency to state 1 with command 82 at port b1 speedstep-smi: retry 1, previous result 0, waiting... speedstep-smi: retry 2, previous result 0, waiting... speedstep-smi: retry 3, previous result 0, waiting... speedstep-smi: retry 4, previous result 0, waiting... speedstep-smi: retry 5, previous result 0, waiting... cpufreq: change to state 1 failed with new_state 2 and result 0 speedstep-lib: P3 - MSR_IA32_EBL_CR_POWERON: 0x45080020 0x0 speedstep-lib: speed is 550000 speedstep-lib: low speed is 550000 speedstep-smi: trying to set frequency to state 0 with command 82 at port b1 speedstep-smi: retry 1, previous result 0, waiting... speedstep-smi: retry 2, previous result 0, waiting... speedstep-smi: retry 3, previous result 0, waiting... speedstep-smi: retry 4, previous result 0, waiting... speedstep-smi: retry 5, previous result 0, waiting... cpufreq: change to state 0 failed with new_state 2 and result 0 speedstep-lib: P3 - MSR_IA32_EBL_CR_POWERON: 0x45080020 0x0 speedstep-lib: speed is 550000 speedstep-lib: high speed is 550000 speedstep-smi: could not detect two different speeds -- aborting. cpufreq-core: initialization failed cpufreq-core: no CPU initialized for driver speedstep-smi cpufreq-core: unregistering CPU 0 speedstep-lib: x86: 6, model: 8 speedstep-lib: Coppermine: MSR_IA32_EBL_CR_POWERON is 0x45080020, 0x0 speedstep-lib: Coppermine: MSR_IA32_PLATFORM ID is 0x0, 0x23570000 speedstep-smi: signature:0x00000000, command:0x00000000, event:0x00000000, perf_level:0x00000000. cpufreq-core: trying to register driver speedstep-smi cpufreq-core: adding CPU 0 speedstep-smi: trying to obtain ownership with command 47534982 at port b1 speedstep-smi: result is 0 speedstep-smi: bug #1422 -- can't read freqs from BIOS speedstep-smi: could not detect low and high frequencies by SMI call. speedstep-lib: trying to determine both speeds speedstep-lib: P3 - MSR_IA32_EBL_CR_POWERON: 0x45080020 0x0 speedstep-lib: speed is 550000 speedstep-lib: previous speed is 550000 speedstep-smi: trying to set frequency to state 1 with command 47534982 at port b1 speedstep-smi: retry 1, previous result 0, waiting... speedstep-smi: retry 2, previous result 0, waiting... speedstep-smi: retry 3, previous result 0, waiting... speedstep-smi: retry 4, previous result 0, waiting... speedstep-smi: retry 5, previous result 0, waiting... cpufreq: change to state 1 failed with new_state 2 and result 0 speedstep-lib: P3 - MSR_IA32_EBL_CR_POWERON: 0x45080020 0x0 speedstep-lib: speed is 550000 speedstep-lib: low speed is 550000 speedstep-smi: trying to set frequency to state 0 with command 47534982 at port b1 speedstep-smi: retry 1, previous result 0, waiting... speedstep-smi: retry 2, previous result 0, waiting... speedstep-smi: retry 3, previous result 0, waiting... speedstep-smi: retry 4, previous result 0, waiting... speedstep-smi: retry 5, previous result 0, waiting... cpufreq: change to state 0 failed with new_state 2 and result 0 speedstep-lib: P3 - MSR_IA32_EBL_CR_POWERON: 0x45080020 0x0 speedstep-lib: speed is 550000 speedstep-lib: high speed is 550000 speedstep-smi: could not detect two different speeds -- aborting. cpufreq-core: initialization failed cpufreq-core: no CPU initialized for driver speedstep-smi cpufreq-core: unregistering CPU 0 speedstep-lib: x86: 6, model: 8 speedstep-lib: Coppermine: MSR_IA32_EBL_CR_POWERON is 0x45080020, 0x0 speedstep-lib: Coppermine: MSR_IA32_PLATFORM ID is 0x0, 0x23570000 speedstep-smi: signature:0x00000000, command:0x00000000, event:0x00000000, perf_level:0x00000000. -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
