On Fri, Aug 18, 2017 at 11:13:35AM +0530, Viresh Kumar wrote:
> On 18 August 2017 at 11:11, Dai Xiang <xiangx....@intel.com> wrote:
> 
> > In fact, i has used intel_pstate driver:
> > $ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver
> > intel_pstate
> 
> It may be running in *active* mode and you need to put it in *passive* mode.
> 
> Try passing following with cmdline:
> 
> intel_pstate=passive

Cool, after use this kernel_cmdline, 4\5\6\8 can pass now, but 1\7\9 still can 
not:
cpufreq_01.0/cpu0: checking 'scaling_available_frequencies' exists in 
'/sys/devices/system/cpu/cpu0/cpufreq'... Err 
cpufreq_01.0/cpu1: checking 'scaling_available_frequencies' exists in 
'/sys/devices/system/cpu/cpu1/cpufreq'... Err 
cpufreq_01.0/cpu2: checking 'scaling_available_frequencies' exists in 
'/sys/devices/system/cpu/cpu2/cpufreq'... Err 
cpufreq_01.0/cpu3: checking 'scaling_available_frequencies' exists in 
'/sys/devices/system/cpu/cpu3/cpufreq'... Err 
cpufreq_01.0/cpu4: checking 'scaling_available_frequencies' exists in 
'/sys/devices/system/cpu/cpu4/cpufreq'... Err 
cpufreq_01.0/cpu5: checking 'scaling_available_frequencies' exists in 
'/sys/devices/system/cpu/cpu5/cpufreq'... Err 
cpufreq_01.0/cpu6: checking 'scaling_available_frequencies' exists in 
'/sys/devices/system/cpu/cpu6/cpufreq'... Err 
cpufreq_01.0/cpu7: checking 'scaling_available_frequencies' exists in 
'/sys/devices/system/cpu/cpu7/cpufreq'... Err 
 
cpufreq_01: fail

cpufreq_07.0/cpu0: can not reach a quescient point for 'ondemand'...        skip
cpufreq_07.0/cpu1: can not reach a quescient point for 'ondemand'...        skip
cpufreq_07.0/cpu2: can not reach a quescient point for 'ondemand'...        skip
cpufreq_07.0/cpu3: can not reach a quescient point for 'ondemand'...        skip
cpufreq_07.0/cpu4: can not reach a quescient point for 'ondemand'...        skip
IPMI BMC is not supported on this machine, skip bmc-watchdog setup!
cpufreq_07.0/cpu5: can not reach a quescient point for 'ondemand'...        skip
cpufreq_07.0/cpu6: can not reach a quescient point for 'ondemand'...        skip
cpufreq_07.0/cpu7: can not reach a quescient point for 'ondemand'...        skip

cpufreq_07: skip

cpufreq_09.0/cpu0: checking 'powersave' sets frequency to 1600000 KHz...    Err
cpufreq_09.1/cpu0: checking 'powersave' frequency 1600000 KHz is fixed...   Err
cpufreq_09.0/cpu1: checking 'powersave' sets frequency to 1600000 KHz...    Err
cpufreq_09.1/cpu1: checking 'powersave' frequency 1600000 KHz is fixed...   Err
cpufreq_09.0/cpu2: checking 'powersave' sets frequency to 1600000 KHz...    Err
cpufreq_09.1/cpu2: checking 'powersave' frequency 1600000 KHz is fixed...   Err
cpufreq_09.0/cpu3: checking 'powersave' sets frequency to 1600000 KHz...    Err
cpufreq_09.1/cpu3: checking 'powersave' frequency 1600000 KHz is fixed...   Err
cpufreq_09.0/cpu4: checking 'powersave' sets frequency to 1600000 KHz...    Err
cpufreq_09.1/cpu4: checking 'powersave' frequency 1600000 KHz is fixed...   Err
cpufreq_09.0/cpu5: checking 'powersave' sets frequency to 1600000 KHz...    Err
cpufreq_09.1/cpu5: checking 'powersave' frequency 1600000 KHz is fixed...   Err
cpufreq_09.0/cpu6: checking 'powersave' sets frequency to 1600000 KHz...    Err
cpufreq_09.1/cpu6: checking 'powersave' frequency 1600000 KHz is fixed...   Err
cpufreq_09.0/cpu7: checking 'powersave' sets frequency to 1600000 KHz...    Err
cpufreq_09.1/cpu7: checking 'powersave' frequency 1600000 KHz is fixed...   Err


_______________________________________________
linaro-dev mailing list
linaro-dev@lists.linaro.org
https://lists.linaro.org/mailman/listinfo/linaro-dev

Reply via email to