Re: [BProc] processes timeout after 1 second

[Greg W. <gw...@la...>]

Are you using bjs to allocate the nodes? The default allocation time  
is 1 second I think.

Greg

On Sep 27, 2005, at 8:34 AM, Andrew Pitre wrote:

> I'm having trouble getting mpi programs to execute for >= 1 sec.  I  
> have a simple program that loops, prints the execution time then  
> quits.
>
> When the loop count is increased to where the execution time is  
> greater than or about 1 sec, the program fails with the following  
> messages:
> "mpirun: error: child process (rank=0; node=0) exited abnormally.
> mpirun: error: aborting."
>
> Replacing the loop with a sleep() statement has a similar effect,  
> processes can sleep for any amount of time < 1 sec, e.g. sleep(. 
> 999999) is ok, but if sleep(1) is called the program fails with the  
> above error.
>
> I've tried adjusting the pingtimeout with settings 30, 3000, and  
> 30000, without success.
>
> The environment is Clustermatic 5 with a custom compiled 2.6.9  
> kernel and bproc4.0.0pre8 module on Opteron processors.  This  
> problem does not appear on a LAM based non-bproc cluster with the  
> same source code.
>
> Any help with this will be greatly appreciated.
>
> - Andrew
>
>
>
>
>
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