2017-11-02 9:37 GMT+01:00 Jörg Otte <[email protected]>: > 2017-11-01 21:24 GMT+01:00 Rafael J. Wysocki <[email protected]>: >> On Wed, Nov 1, 2017 at 6:06 PM, Jörg Otte <[email protected]> wrote: >>> In 4.14.0-rc7-00009-g287683d cpufreq directory under >>> /sys/devices/system/cpu/cpufreq >>> is empty. Also link /sys/devices/system/cpu/cpu0/cpufreq is missing. >>> >>> Is this change intentional? >> >> Sure not. >> >> What's the last good kernel you tested before this one? > Unfortunately I had a disk crash and I was offline in last weeks. > This is the first kernel with everything new installed on new disk. > So I don't remember exactly last good kernel. For sure it was 4.14.0-rc1. > > Maybe I made a mistake with the kernel configuration ? > > # > # CPU Frequency scaling > # > CONFIG_CPU_FREQ=y > CONFIG_CPU_FREQ_GOV_ATTR_SET=y > CONFIG_CPU_FREQ_GOV_COMMON=y > CONFIG_CPU_FREQ_STAT=y > CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y > # CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set > # CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set > # CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set > # CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set > # CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL is not set > CONFIG_CPU_FREQ_GOV_PERFORMANCE=y > CONFIG_CPU_FREQ_GOV_POWERSAVE=y > # CONFIG_CPU_FREQ_GOV_USERSPACE is not set > CONFIG_CPU_FREQ_GOV_ONDEMAND=y > CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y > CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y > > # > # CPU frequency scaling drivers > # > CONFIG_X86_INTEL_PSTATE=y > # CONFIG_X86_PCC_CPUFREQ is not set > # CONFIG_X86_ACPI_CPUFREQ is not set > # CONFIG_X86_SPEEDSTEP_CENTRINO is not set > # CONFIG_X86_P4_CLOCKMOD is not set > > > Just discovered: > If intel_pstate is active everythin looks fine. > If intel_pstate is disabled (intel_pstate=disable) the directories are > empty again. > > Processor are: > jojo@fichte:~$ cat /proc/cpuinfo > processor : 0 .. 3 > vendor_id : GenuineIntel > cpu family : 6 > model : 60 > model name : Intel(R) Core(TM) i5-4200M CPU @ 2.50GHz > stepping : 3 > microcode : 0x22 > cpu MHz : 2494.433 > cache size : 3072 KB > physical id : 0 > siblings : 4 > core id : 0 > cpu cores : 2 > apicid : 0 > initial apicid : 0 > fpu : yes > fpu_exception : yes > cpuid level : 13 > wp : yes > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge > mca cmov pat pse36 clflush dts acpi mmx fxsr > sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc > arch_perfmon pebs bts rep_good nopl xtopology nons > top_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est > tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 > sse4_2 movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand > lahf_lm abm cpuid_fault epb tpr_shadow vnmi flexpr > iority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid > xsaveopt dtherm ida arat pln pts > bugs : > bogomips : 4988.86 > clflush size : 64 > cache_alignment : 64 > address sizes : 39 bits physical, 48 bits virtual > power management: >
>> # CONFIG_X86_ACPI_CPUFREQ is not set OK, that's was it! My bad. Sorry for the noise. Thanks, Jörg
