[gmx-users] overheating problem

Sat Feb 4 16:09:51 CET 2012

On 4/02/2012 11:15 PM, ahmet y?ld?r?m wrote:
> Hi,
> The problem might caused by X58 chipset.
> Now I am using ubuntu. Which operating system do you recommend?

I doubt it is relevant at all.

Mark

> 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 y?ld?r?m 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 y?ld?r?m 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 G?gabyte 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 Y?ld?r?m
>
>
>
>
>
>            --
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>
>
>         --
>         Ahmet Y?ld?r?m
>
>
>
>
>
>     -- 
>     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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> -- 
> Ahmet Y?ld?r?m
>
>
>

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