Re: [BProc] processes timeout after 1 second

[Andrew P. <ap...@ro...>]

Greg,

Yes, using bjs, I've now added the (-s numberofseconds) argument and
that did it, thank you very much for your help!

- Andrew

On Sep 27, 2005, at 11:50 AM, Greg Watson wrote:

> 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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>
>