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Subject: [OMPI devel] r31765 causes crash in mpirun
From: Gilles Gouaillardet (gilles.gouaillardet_at_[hidden])
Date: 2014-05-15 04:20:13


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