[mvapich-discuss] mvapich 1.1 mpirun_rsh problems on process count
> 350
Johnny Devaprasad
johnnydevaprasad at gmail.com
Mon Mar 28 05:35:53 EDT 2011
Hi all,
mpirun_rsh has problems when launching jobs with np > 350.
The resulting error is as follows:
PMGR_COLLECTIVE ERROR: unexpected value: received 1, expecting 7 @ file
pmgr_collective_mpispawn.c:144
Any suggestions, about how to fix this would be greatly appreciated.
I tried increasing the limits by VIADEV ON DEMAND THRESHOLD , but
does not seem to help. I could be tuning the wrong variable.
The IB stack that is being used is the default redhat 5 infiniband stack.
I do not have information about the IB adapters, but if that is contributing
to this
error, then please do let me know.
Thank you in advance.
Regards,
Johnny
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