[Beowulf] hang-up of HPC Challenge

Mikhail Kuzminsky kus at free.net
Wed Aug 20 14:01:05 EDT 2008


In message from Chris Samuel <csamuel at vpac.org> (Wed, 20 Aug 2008 
11:12:52 +1000 (EST)):
>
>----- "Mikhail Kuzminsky" <kus at free.net> wrote:
>
>> What else may be the reason of hangup ?
>
>Depends what you mean by "hangup"  really..
>
>Does the code crash, does it just stop & idle, does it
>busy loop, does the node oops, does it lockup, etc ?

I beleive that program crash is not hangup. When I wrote about Linux 
hangup, I means that Linux don't response to any interrupts - from 
keyboard, from ssh client requests etc. 

>
>If you're not already running a mainline kernel (say
>2.6.26.2) it might also be worth giving that a
>go too, we're happily doing it on our Barcelonas
>(though on CentOS not SuSE).

I use 2.6.22.5-31 kernel from SuSE 10.3 distribution.

Mikhail



>
>cheers,
>Chris
>-- 
>Christopher Samuel - (03) 9925 4751 - Systems Manager
> The Victorian Partnership for Advanced Computing
> P.O. Box 201, Carlton South, VIC 3053, Australia
>VPAC is a not-for-profit Registered Research Agency
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