Something goes wrong here as the system is idle

 speedy:~ # sensors
 coretemp-isa-0000
 Adapter: ISA adapter
 Physical id 0:  +56.0�C  (high = +80.0�C, crit = +98.0�C)
 Core 0:         +49.0�C  (high = +80.0�C, crit = +98.0�C)
 Core 1:         +52.0�C  (high = +80.0�C, crit = +98.0�C)
 Core 2:         +55.0�C  (high = +80.0�C, crit = +98.0�C)
 Core 3:         +50.0�C  (high = +80.0�C, crit = +98.0�C)
 [...]
 CASE Fan:      345 RPM  (min =    0 RPM)
 CPU  Fan:     2673 RPM  (min = 1000 RPM)
 PWR  Fan:     1515 RPM  (min =  400 RPM)
 BACK Fan:      489 RPM  (min =    0 RPM)
 MB:            +38.0�C  (high = +42.0�C, hyst = +38.0�C)  sensor = thermistor
 CPUTIN:        +47.0�C  (high = +80.0�C, hyst = +75.0�C)  sensor = thermistor
 AUXTIN:        +38.5�C  (high = +80.0�C, hyst = +75.0�C)  sensor = thermistor
 PECI Agent 0:  +56.0�C  

 speedy:~ # cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq
 1600000
 1600000
 1600000
 1600000
 1600000
 1600000
 1600000
 1600000