Hi! I'm trying to provide all the required info below. Any ideas? > > > > The CPU is Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz . I guess it > > > > means > > > > it should be able to sustain both cores running at 2.5GHz? > > > > > > > > Any ideas? Were there any recent changes in that area? > > > I tried kernel compile. It keeps both cores at 3GHz, temperature > > > goes > > > up over 95C, and then cpus start going down to 2.3GHz... and then > > > down > > > to 2GHz... and down to 1.9GHz. > what temperature does coretemp report? > can you please provide the sensors output in 4.6 during kernel > compiling? > > can you attach the output of "grep . /sys/class/thermal/thermal*/*" > when the temperature goes high in both kernels? v5.2: bash -c sensors; cat /proc/cpuinfo thinkpad-isa-0000 Adapter: ISA adapter fan1: 4493 RPM coretemp-isa-0000 Adapter: ISA adapter Package id 0: +97.0°C (high = +86.0°C, crit = +100.0°C) Core 0: +97.0°C (high = +86.0°C, crit = +100.0°C) Core 1: +94.0°C (high = +86.0°C, crit = +100.0°C) cpu MHz : 2351.857 cpu MHz : 2351.920 cpu MHz : 2351.980 cpu MHz : 2352.036 pavel@duo:~$ cat /sys/devices/system/cpu/*/cpufreq/scaling_governor powersave powersave powersave powersave pavel@duo:~$ grep . /sys/class/thermal/thermal*/* 2> /dev/null /sys/class/thermal/thermal_zone0/available_policies:step_wise /sys/class/thermal/thermal_zone0/mode:enabled /sys/class/thermal/thermal_zone0/passive:0 /sys/class/thermal/thermal_zone0/policy:step_wise /sys/class/thermal/thermal_zone0/temp:96000 /sys/class/thermal/thermal_zone0/trip_point_0_temp:99000 /sys/class/thermal/thermal_zone0/trip_point_0_type:critical /sys/class/thermal/thermal_zone0/type:acpitz pavel@duo:~$ v4.6: acpitz-virtual-0 Adapter: Virtual device temp1: +96.0°C (crit = +99.0°C) coretemp-isa-0000 Adapter: ISA adapter Physical id 0: +97.0°C (high = +86.0°C, crit = +100.0°C) Core 0: +97.0°C (high = +86.0°C, crit = +100.0°C) Core 1: +94.0°C (high = +86.0°C, crit = +100.0°C) thinkpad-isa-0000 Adapter: ISA adapter fan1: 4493 RPM cpu MHz : 2501.000 cpu MHz : 2501.000 cpu MHz : 2501.000 cpu MHz : 2501.000 pavel@duo:~$ cat /sys/devices/system/cpu/*/cpufreq/scaling_governor ondemand ondemand ondemand ondemand pavel@duo:~$ grep . /sys/class/thermal/thermal*/* 2> /dev/null /sys/class/thermal/thermal_zone0/available_policies:step_wise /sys/class/thermal/thermal_zone0/mode:enabled /sys/class/thermal/thermal_zone0/passive:0 /sys/class/thermal/thermal_zone0/policy:step_wise /sys/class/thermal/thermal_zone0/temp:96000 /sys/class/thermal/thermal_zone0/trip_point_0_temp:99000 /sys/class/thermal/thermal_zone0/trip_point_0_type:critical /sys/class/thermal/thermal_zone0/type:acpitz pavel@duo:~$ -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html