Re: [OMPI devel] mpirun Produces Extraneous Output

2014-07-03 Thread Greg Thomsen
Ralph, I'll be happy to test whatever you send. I'll also setup the same revision on a few other systems and see if any patterns emerge wrt reproducibility. Greg On 7/2/14 10:50 PM, Ralph Castain wrote: Rats - this is one tough race condition. I've been cycling it since your note, without

Re: [OMPI devel] mpirun Produces Extraneous Output

2014-07-02 Thread Ralph Castain
Rats - this is one tough race condition. I've been cycling it since your note, without hitting one problem. I'm running Centos6 on a dual processor, 6-core Xeon, with a dedicated disk installed on the node. Apparently, that seems to be adequate to mitigate the problem. I'll keep trying to find

Re: [OMPI devel] mpirun Produces Extraneous Output

2014-07-02 Thread Greg Thomsen
Ralph, I finally got some time to look into this again. I can reproduce the issue when running against the latest nightlies for 1.8.2 (r32119) and 1.9 (r32113). While verifying that, I noticed that testing on a different system required a much larger number of iterations (~2000), while on t

Re: [OMPI devel] mpirun Produces Extraneous Output

2014-06-13 Thread Ralph Castain
Hi Greg I've been running your script over and over again with the current 1.8.2 and svn developer's trunk, and I cannot get a failure. It just merrily runs. Could you tell me how you configured OMPI to get this behavior? Thanks Ralph On Jun 10, 2014, at 11:59 AM, Ralph Castain wrote: > Ouch

Re: [OMPI devel] mpirun Produces Extraneous Output

2014-06-10 Thread Ralph Castain
Ouch - I'll try to chase it down.I'm unaware of anyone passing a significant amount of data via stdin before, so it's quite possible this has been around for awhile. Normally one avoids that practice. On Jun 10, 2014, at 11:36 AM, Greg Thomsen wrote: > All, > > I believe I've found a bug in