Folks, since r31765 (opal/event: release the opal event context when closing the event base) mpirun crashes at the end of the job.
for example : $ mpirun --mca btl tcp,self -n 4 `pwd`/src/MPI_Allreduce_user_c MPITEST info (0): Starting MPI_Allreduce_user() test MPITEST_results: MPI_Allreduce_user() all tests PASSED (7076) [soleil:10959] *** Process received signal *** [soleil:10959] Signal: Segmentation fault (11) [soleil:10959] Signal code: Address not mapped (1) [soleil:10959] Failing at address: 0x7fd969e75a98 [soleil:10959] [ 0] /lib64/libpthread.so.0[0x3c9da0f500] [soleil:10959] [ 1] /csc/home1/gouaillardet/local/ompi-trunk/lib/libopen-pal.so.0(+0x7bae5)[0x7fd96a55dae5] [soleil:10959] [ 2] /csc/home1/gouaillardet/local/ompi-trunk/lib/libopen-pal.so.0(+0x7ac97)[0x7fd96a55cc97] [soleil:10959] [ 3] /csc/home1/gouaillardet/local/ompi-trunk/lib/libopen-pal.so.0(opal_libevent2021_event_del+0x88)[0x7fd96a55ca15] [soleil:10959] [ 4] /csc/home1/gouaillardet/local/ompi-trunk/lib/libopen-pal.so.0(opal_libevent2021_event_base_free+0x132)[0x7fd96a558831] [soleil:10959] [ 5] /csc/home1/gouaillardet/local/ompi-trunk/lib/libopen-pal.so.0(+0x74126)[0x7fd96a556126] [soleil:10959] [ 6] /csc/home1/gouaillardet/local/ompi-trunk/lib/libopen-pal.so.0(mca_base_framework_close+0xdd)[0x7fd96a54026f] [soleil:10959] [ 7] /csc/home1/gouaillardet/local/ompi-trunk/lib/libopen-pal.so.0(opal_finalize+0x7e)[0x7fd96a50d36e] [soleil:10959] [ 8] /csc/home1/gouaillardet/local/ompi-trunk/lib/libopen-rte.so.0(orte_finalize+0xd3)[0x7fd96a7ead2f] [soleil:10959] [ 9] mpirun(orterun+0x1298)[0x404f0e] [soleil:10959] [10] mpirun(main+0x20)[0x4038a4] [soleil:10959] [11] /lib64/libc.so.6(__libc_start_main+0xfd)[0x3c9d21ecdd] [soleil:10959] [12] mpirun[0x4037c9] [soleil:10959] *** End of error message *** Segmentation fault (core dumped) Gilles
