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Subject: [OMPI devel] singleton appears to be broken
From: George Bosilca (bosilca_at_[hidden])
Date: 2014-02-06 18:53:02


A singleton hello_world assert with the following output:

 Warning :: opal_list_remove_item - the item 0x1211fc0 is not on the list 0x7f2cd9161ae0
hello: ../../../../ompi/orte/mca/rml/base/rml_base_msg_handlers.c:75: orte_rml_base_post_recv: Assertion `((0xdeafbeedULL << 32) + 0xdeafbeedULL) == ((opal_object_t *) (recv))->obj_magic_id' failed.
[dancer:00698] *** Process received signal ***
[dancer:00698] Signal: Aborted (6)
[dancer:00698] Signal code: (-6)
[dancer:00698] [ 0] /lib64/libpthread.so.0[0x3d8480f710]
[dancer:00698] [ 1] /lib64/libc.so.6(gsignal+0x35)[0x3d83c32925]
[dancer:00698] [ 2] /lib64/libc.so.6(abort+0x175)[0x3d83c34105]
[dancer:00698] [ 3] /lib64/libc.so.6[0x3d83c2ba4e]
[dancer:00698] [ 4] /lib64/libc.so.6(__assert_perror_fail+0x0)[0x3d83c2bb10]
[dancer:00698] [ 5] /home/bosilca/opt/trunk/lib/libopen-rte.so.0(orte_rml_base_post_recv+0x252)[0x7f2cd8e76d55]
[dancer:00698] [ 6] /home/bosilca/opt/trunk/lib/libopen-pal.so.0(+0xcca5d)[0x7f2cd89e8a5d]
[dancer:00698] [ 7] /home/bosilca/opt/trunk/lib/libopen-pal.so.0(+0xcce53)[0x7f2cd89e8e53]
[dancer:00698] [ 8] /home/bosilca/opt/trunk/lib/libopen-pal.so.0(opal_libevent2021_event_base_loop+0x4eb)[0x7f2cd89e99ea]
[dancer:00698] [ 9] /home/bosilca/opt/trunk/lib/libopen-rte.so.0(+0x28725)[0x7f2cd8d1b725]
[dancer:00698] [10] /lib64/libpthread.so.0[0x3d848079d1]
[dancer:00698] [11] /lib64/libc.so.6(clone+0x6d)[0x3d83ce8b6d]
[dancer:00698] *** End of error message ***

The same executable run via mpirun with a single process succeed. This is with trunk, I did not tried with the release.

George.