This is difficult to answer without a code sample to reproduce. Could you submit a minimal program which reproduces this behavior?
Cheers -Andreas On 17:18 Sat 04 Apr , Subhra Mazumdar wrote: > Hi, > > When I run my mpi job with openmpi 1.8.4, it hangs in the following stack: > > #0 0x00007fe59e07b264 in __lll_lock_wait () from /lib64/libpthread.so.0 > #1 0x00007fe59e076508 in _L_lock_854 () from /lib64/libpthread.so.0 > #2 0x00007fe59e0763d7 in pthread_mutex_lock () from /lib64/libpthread.so.0 > #3 0x00007fe598543341 in mca_btl_vader_component_progress () from > /root/openmpi-1.8.4/openmpinstall/lib/openmpi/mca_btl_vader.so > #4 0x00007fe59c4932ca in opal_progress () from > /root/openmpi-1.8.4/openmpinstall/lib/libopen-pal.so.6 > #5 0x00007fe597f012c5 in mca_pml_ob1_send () from > /root/openmpi-1.8.4/openmpinstall/lib/openmpi/mca_pml_ob1.so > #6 0x00007fe59e2fe902 in PMPI_Send () from > ./openmpi-1.8.4/openmpinstall/lib/libmpi.so.1 > > > Anyone seen this? I am using MPI_THREAD_MULTIPLE for mpi init since my mpi > processes are multithreaded. I also checked that I got the same level as > requested (MPI_THREAD_MULTIPLE) during init and I had compiled openmpi to > enable threading. > > Thanks, > Subhra. > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/04/26608.php -- ========================================================== Andreas Schäfer HPC and Grid Computing Chair of Computer Science 3 Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany +49 9131 85-27910 PGP/GPG key via keyserver http://www.libgeodecomp.org ========================================================== (\___/) (+'.'+) (")_(") This is Bunny. Copy and paste Bunny into your signature to help him gain world domination!
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