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From: Mick <michaelkintzios@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] [SOLVED] Computer turn itself off
Date: Sun, 24 May 2015 10:09:58 +0100
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References: <20150523212442.GC2096@syscon7> <556120B4.1060903@yahoo.com.br> <20150524011234.GI2096@syscon7>
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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
> >>>>=20
> >>>> The box it connected to UPS. Is it power supply?
> >>>=20
> >>> Maybe. I have a problem like that when using high processing simulati=
on
> >>> with nvidia-cuda and the power supply protection was unable to keep a
> >>> safe energy level then the system goes off.
> >>>=20
> >>> 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".
> >>>=20
> >>> 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.
> >>>=20
> >>> Good Luck
> >>=20
> >> I tried to read the lm-sensors again and the compupter turn crash with
> >> the readings:
> >>=20
> >> fan1: 0 RPM (min =3D 10 RPM) ALARM
> >> fan2: 0 RPM (min =3D 0 RPM)
> >> fan3: 0 RPM (min =3D 0 RPM)
> >> fan5: 0 RPM (min =3D 0 RPM)
> >> temp1: +47.0=C2=B0C (low =3D +127.0=C2=B0C, high =3D +127.0=
=C2=B0C) sensor =3D
> >> thermistor
> >> temp2: +106.0=C2=B0C (low =3D +127.0=C2=B0C, high =3D +70.0=C2=
=B0C) sensor =3D
> >> thermal diode
> >> temp3: +106.0=C2=B0C (low =3D +127.0=C2=B0C, high =3D +127.0=
=C2=B0C) sensor =3D
> >> thermistor
> >> cpu0_vid: +1.250 V
> >>=20
> >> 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.
>=20
> I went to pickup the remote box and look at it; the CPU fan stop working.=
=20
> 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 s=
elf=20
adhesive label in the middle and applying a single drop of thin oil on the=
=20
bearing restores them to rude health. I have one here which is still runni=
ng=20
quietly for five years since my intervention with an oil can.
=2D-=20
Regards,
Mick
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