[gmx-users] overheating problem

[Kunze, Micha]

Hey there,

I use it on Ubuntu with no problems whatsoever, but I have Xeon W series CPUs. GROMACS runs fine with and without HT, so I would also think your problem is related to your hardware.

Micha


On 4 Feb 2012, at 12:16, "ahmet yıldırım" <ahmedo047 at gmail.com<mailto:ahmedo047 at gmail.com>> wrote:

Hi,
The problem might caused by X58 chipset.
Now I am using ubuntu. Which operating system do you recommend?
2012/2/4 David van der Spoel <spoel at xray.bmc.uu.se<mailto:spoel at xray.bmc.uu.se>>
On 2012-02-03 23:49, ahmet yıldırım wrote:
Dear Mark,


Believe me, I tried all methods that you said but unfortunately the
result doesnt change :(

It used to be like this that GROMACS ran more efficient on AMD cpus than the official AMD burn-in code, and therefore also hotter. You could run gromacs on fewer cores to see if that helps, but it seems like a hardware problem. Have any warranty on your computers?


2012/2/4 Mark Abraham <Mark.Abraham at anu.edu.au<mailto:Mark.Abraham at anu.edu.au>
<mailto:Mark.Abraham at anu.edu.au<mailto:Mark.Abraham at anu.edu.au>>>


   On 4/02/2012 8:24 AM, ahmet yıldırım wrote:
   Dear users,

   I am using ubuntu 11.1 (64 bit). The Ubuntu normally runs when I
   dont run the Gromacs program. i.e there is not heating problem.
   But the CPU is excessive heating (82 degree) when I run the gromacs.

   There are various "stress test" programs you can get if you Google
   around. I expect these will produce the same symptoms.


   I am using the all cores at 100%. Now I have 2 PC.I use them

   separately
   1.first: It has Intel i7 920 CPU and Asus P6T SE motherboard
   2.second: It has Intel I7 960 and Gıgabyte x58A-UD5 LGA 1366
   motherboard
   I have the problem of warming/overheating on both computers. I
   could not figure out this problem for two weeks :(
   By the way:
   -I dont use an older compiler to get the binary. I am using gcc
   4.6 and I am using Gromacs 4.5.4
   -I watch the temperatures by "lm sensor" program
   -I installed ubuntu 32-bit but the result didnt change again
   -I have sufficient cooling on both PC

   I'd say this is evidence that you don't have sufficient cooling.


   It is likely something related to the program because no problem
   with any hardware related to computers according to experts say.

   If things are installed correctly. For example, cheap thermal paste
   between the CPU and heat sink can cause these symptoms.



   what do you suggest? :(

   Get more cooling. Maybe lower the clock speed (if possible). Run a
   less efficient MD code!

   Mark



   *atk0110-acpi-0

   Adapter: ACPI interface
   Vcore Voltage:       +1.22 V  (min =  +0.80 V, max =  +1.60 V)
    +3.3 Voltage:       +3.31 V  (min =  +2.97 V, max =  +3.63 V)
    +5 Voltage:         +5.00 V  (min =  +4.50 V, max =  +5.50 V)
    +12 Voltage:       +12.03 V  (min = +10.20 V, max = +13.80 V)
   CPU FAN Speed:      2163 RPM  (min =  600 RPM)
   CHASSIS1 FAN Speed:    0 RPM  (min =  600 RPM)
   CHASSIS2 FAN Speed: 2033 RPM  (min =  600 RPM)
   POWER FAN Speed:       0 RPM  (min =    0 RPM)
   CPU Temperature:     +82.0°C  (high = +60.0°C, crit = +75.0°C)
   MB Temperature:      +45.0°C  (high = +45.0°C, crit = +75.0°C)

   radeon-pci-0200
   Adapter: PCI adapter
   temp1:        +60.5°C *


   --
   Ahmet Yıldırım





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Ahmet Yıldırım





--
David van der Spoel, Ph.D., Professor of Biology
Dept. of Cell & Molec. Biol., Uppsala University.
Box 596, 75124 Uppsala, Sweden. Phone:  +46184714205<tel:%2B46184714205>.
spoel at xray.bmc.uu.se<mailto:spoel at xray.bmc.uu.se>    http://folding.bmc.uu.se<http://folding.bmc.uu.se/>

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