Sorry for the delay in replying to this -- mails sometimes pile up in
my INBOX and I don't get to reply to them all in a timely fashion.
Yes, you can expect this to be much better in the v1.3 series. If you
have a few cycles, you might want to test a nightly trunk tarball
snapshot in some of your problematic cases and see if it's better.
We've had a little instability in trunk tarballs over the last week,
so you might want to wait until next week to give it a shot.
http://www.open-mpi.org/nightly/trunk/
On Jun 9, 2008, at 10:50 AM, Bill Johnstone wrote:
Hello OMPI devs,
I'm currently running OMPI v 1.2.4 . It didn't seem that any bugs
which affect me or my users were fixed in 1.2.5 and 1.2.6, so I
haven't upgraded yet.
When I was initially getting started with OpenMPI, I had some
problems which I was able to solve, but one still remains. As I
mentioned in
http://www.open-mpi.org/community/lists/users/2007/07/3716.php
when there is a non-graceful exit on any of the MPI jobs, mpirun
hangs. As an example, I have a code that I run which, when it has a
trivial runtime error (e.g., some small mistake in the input file)
dies yielding messages to the screen like:
[node1.x86-64:28556] MPI_ABORT invoked on rank 0 in communicator
MPI_COMM_WORLD with errorcode 16
but mpirun never exits, and Ctrl+C won't kill it. I have to resort
to kill -9.
Now that I'm running under SLURM, this is worse because there is no
nice way to manually clear individual jobs off the controller. So
even if I manually kill mpirun on the failed job, slurmctld still
thinks its running.
Ralph Castain replied to the previously-linked message:
http://www.open-mpi.org/community/lists/users/2007/07/3718.php
indicating that he thought he knew why this was happening and that
it was or would likely be fixed in the trunk.
At this point, I just want to know: can I look forward to this being
fixed in the upcoming v 1.3 series?
I don't mean that to sound ungrateful: *many thanks* to the OMPI
devs for what you've already given the community at large. I'm just
a bit frustrated because we seem to run a lot of codes on our
cluster that abort at one time or another.
Thank you.
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Jeff Squyres
Cisco Systems
