On Sunday 24 May 2015 02:12:34 Joseph wrote: > On 05/23/15 20:52, Zhu Sha Zang wrote: > >On 05/23/2015 06:53 PM, Joseph wrote: > >> On 05/23/15 18:08, Zhu Sha Zang wrote: > >>> On 05/23/2015 05:24 PM, Joseph wrote: > >>>> I have a box in a remote location (8-core CPU) and it turn itself off > >>>> during compiling > >>>> > >>>> The box it connected to UPS. Is it power supply? > >>> > >>> Maybe. I have a problem like that when using high processing simulation > >>> with nvidia-cuda and the power supply protection was unable to keep a > >>> safe energy level then the system goes off. > >>> > >>> But, if the failure happens during compilation time can be a heat > >>> problem. Install lm_sensors and use something like that: "watch -n 1 > >>> sensors". > >>> > >>> If not, if the temperature stay at safe levels, maybe you have a RAM > >>> corruption. In this case, you'll need to use memtest86++ to check. > >>> > >>> Good Luck > >> > >> I tried to read the lm-sensors again and the compupter turn crash with > >> the readings: > >> > >> fan1: 0 RPM (min = 10 RPM) ALARM > >> fan2: 0 RPM (min = 0 RPM) > >> fan3: 0 RPM (min = 0 RPM) > >> fan5: 0 RPM (min = 0 RPM) > >> temp1: +47.0°C (low = +127.0°C, high = +127.0°C) sensor = > >> thermistor > >> temp2: +106.0°C (low = +127.0°C, high = +70.0°C) sensor = > >> thermal diode > >> temp3: +106.0°C (low = +127.0°C, high = +127.0°C) sensor = > >> thermistor > >> cpu0_vid: +1.250 V > >> > >> I'm suspecting it is power supply. > > > >Hey, did you run "sensors-detect" and "/etc/init.d/lm_sensors" as root > >before use "sensors"? > > > >As was said, maybe you're using wrong kernel modules. > > I went to pickup the remote box and look at it; the CPU fan stop working. > The CPU heat sink is big so in idle mode it could keep up with cooling it > but under heavy load "compiling anything" the CPU was overheating.
Ha! So the fan speeds showing zero was true. :-) Often they start rattling before they fail. I found that peeling off the self adhesive label in the middle and applying a single drop of thin oil on the bearing restores them to rude health. I have one here which is still running quietly for five years since my intervention with an oil can. -- Regards, Mick
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