Fwd: [CentOS] Machine all of a suddens freezes. Any suggestions?

Thu Jan 18 19:52:32 UTC 2007
Theo Band <theo.band at xanadu-wireless.com>

Temperature could indeed be the case. The last time it happened was 
during heavy load. The fans are spinning, that I checked already. I will 
add temperature monitoring as well to the logs. Dirt could be, but this 
machine is not even a year old. I'll check the CPU cooler assembly.

Thanks,
Theo
Dave K wrote:
> This bounced when sent to the list, so I'm copying you directly.
>
> ---------- Forwarded message ----------
> From: Dave K <davek08054 at gmail.com>
> Date: Jan 18, 2007 1:37 PM
> Subject: Re: [CentOS] Machine all of a suddens freezes. Any suggestions?
> To: CentOS mailing list <centos at centos.org>
>
>
> On 1/18/07, Theo Band <theo.band at xanadu-wireless.com> wrote:
>> ... It freezes and cannot be accessed from the network....
>> ...
>> My feeling is, this must be a hardware related problem. I inspected the
>> logs under /var/log, but nothing.
>> ...
>> What would be the best approach to debug this problem? What can be the
>> most likely cause?
>
> The first thing I would suspect is some sort of cooling problem.
> Verify that all of your fans are actually spinning.  If the BIOS has
> the option to always run the fans at full speed, try it for a while
> (if you can stand the noise).  Use a flashlight and check that the
> airspace between the fins of any heatsinks aren't clogged with dust.
> If there is room (and power) for additional fans, try adding one.
>
> The last system I had with "random" freezes runs fine now after a
> replacement CPU fan, an additional case fan, and suitable application
> of half a can of air-duster.
>
> -- 
> Dave K
> Unix Systems & Network Administrator
> Mount Laurel NJ
>
>