Hi Raphael, Thanks very much for the patches.
Would one of the developers on the list have a system where they can make these kernel limit changes and which have HCAs installed? I don't have access to any system where I have such permissions. Howard 2015-04-22 8:55 GMT-06:00 Raphaël Fouassier <raphael.fouass...@atos.net>: > We are experiencing a bug in OpenMPI in 1.8.4 which happens also on > master: if locked memory limits are too low, a segfault happens > in openib/udcm because some memory is not correctly deallocated. > > To reproduce it, modify /etc/security/limits.conf with: > * soft memlock 64 > * hard memlock 64 > and launch with mpirun (not in a slurm allocation). > > > I propose 2 patches for 1.8.4 and master (because of the btl move to > opal) which: > - free all allocated ressources > - print the limits error > > > _______________________________________________ > devel mailing list > de...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2015/04/17305.php >
