For my CR work this can probably ignored. I think I was looking at the wrong place.
On Thu, Jan 09, 2014 at 05:28:01PM +0100, Adrian Reber wrote: > Continuing with the CR code I now get a crash which can be easily reproduced > using orte/test/system/orte_barrier.c > > I get: > > orte_barrier: ../../../../../opal/class/opal_list.h:547: _opal_list_append: > Assertion `0 == item->opal_list_item_refcount' failed. > [dcbz:05085] *** Process received signal *** > [dcbz:05085] Signal: Aborted (6) > [dcbz:05085] Signal code: (-6) > [dcbz:05085] [ 0] /lib64/libpthread.so.0(+0xf750)[0x7f95bca0b750] > [dcbz:05085] [ 1] /lib64/libc.so.6(gsignal+0x39)[0x7f95bc672c59] > [dcbz:05085] [ 2] /lib64/libc.so.6(abort+0x148)[0x7f95bc674368] > [dcbz:05085] [ 3] /lib64/libc.so.6(+0x2ebb6)[0x7f95bc66bbb6] > [dcbz:05085] [ 4] /lib64/libc.so.6(+0x2ec62)[0x7f95bc66bc62] > [dcbz:05085] [ 5] > /home/adrian/devel/openmpi-trunk/lib/libopen-rte.so.0(+0x86975)[0x7f95bcfbd975] > [dcbz:05085] [ 6] > /home/adrian/devel/openmpi-trunk/lib/libopen-rte.so.0(+0x86d9a)[0x7f95bcfbdd9a] > [dcbz:05085] [ 7] > /home/adrian/devel/openmpi-trunk/lib/libopen-pal.so.0(+0x8c831)[0x7f95bcca5831] > [dcbz:05085] [ 8] > /home/adrian/devel/openmpi-trunk/lib/libopen-pal.so.0(+0x8caa3)[0x7f95bcca5aa3] > [dcbz:05085] [ 9] > /home/adrian/devel/openmpi-trunk/lib/libopen-pal.so.0(opal_libevent2021_event_base_loop+0x2c1)[0x7f95bcca611f] > [dcbz:05085] [10] > /home/adrian/devel/openmpi-trunk/lib/libopen-rte.so.0(+0x2233b)[0x7f95bcf5933b] > [dcbz:05085] [11] /lib64/libpthread.so.0(+0x7f33)[0x7f95bca03f33] > [dcbz:05085] [12] /lib64/libc.so.6(clone+0x6d)[0x7f95bc731ead] > [dcbz:05085] *** End of error message *** > -------------------------------------------------------------------------- > orterun noticed that process rank 0 with PID 5085 on node dcbz exited on > signal 6 (Aborted). > -------------------------------------------------------------------------- > > and in gdb > > [New LWP 5086] > [New LWP 5085] > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/lib64/libthread_db.so.1". > Core was generated by `system/orte_barrier'. > Program terminated with signal SIGABRT, Aborted. > #0 0x00007f95bc672c59 in __GI_raise (sig=sig@entry=6) at > ../nptl/sysdeps/unix/sysv/linux/raise.c:56 > 56 return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig); > (gdb) bt > #0 0x00007f95bc672c59 in __GI_raise (sig=sig@entry=6) at > ../nptl/sysdeps/unix/sysv/linux/raise.c:56 > #1 0x00007f95bc6744a8 in __GI_abort () at abort.c:118 > #2 0x00007f95bc66bbb6 in __assert_fail_base (fmt=0x7f95bc7b8ea8 "%s%s%s:%u: > %s%sAssertion `%s' failed.\n%n", > assertion=assertion@entry=0x7f95bd06d6c0 "0 == > item->opal_list_item_refcount", > file=file@entry=0x7f95bd06d600 "../../../../../opal/class/opal_list.h", > line=line@entry=547, > function=function@entry=0x7f95bd06d9d0 <__PRETTY_FUNCTION__.4605> > "_opal_list_append") at assert.c:92 > #3 0x00007f95bc66bc62 in __GI___assert_fail (assertion=0x7f95bd06d6c0 "0 == > item->opal_list_item_refcount", > file=0x7f95bd06d600 "../../../../../opal/class/opal_list.h", line=547, > function=0x7f95bd06d9d0 <__PRETTY_FUNCTION__.4605> "_opal_list_append") > at assert.c:101 > #4 0x00007f95bcfbd975 in _opal_list_append (list=0x7f95bd2b9408 > <orte_grpcomm_base+8>, item=0x1f35be0, > FILE_NAME=0x7f95bd06d718 > "../../../../../orte/mca/grpcomm/bad/grpcomm_bad_module.c", LINENO=163) > at ../../../../../opal/class/opal_list.h:547 > #5 0x00007f95bcfbdd9a in process_barrier (fd=-1, args=4, cbdata=0x1f35ed0) > at ../../../../../orte/mca/grpcomm/bad/grpcomm_bad_module.c:163 > #6 0x00007f95bcca5831 in event_process_active_single_queue (base=0x1ef63a0, > activeq=0x1ef6360) > at ../../../../../../opal/mca/event/libevent2021/libevent/event.c:1367 > #7 0x00007f95bcca5aa3 in event_process_active (base=0x1ef63a0) at > ../../../../../../opal/mca/event/libevent2021/libevent/event.c:1437 > #8 0x00007f95bcca611f in opal_libevent2021_event_base_loop (base=0x1ef63a0, > flags=1) > at ../../../../../../opal/mca/event/libevent2021/libevent/event.c:1645 > #9 0x00007f95bcf5933b in orte_progress_thread_engine (obj=0x7f95bd2b9160 > <orte_progress_thread>) at ../../orte/runtime/orte_init.c:180 > #10 0x00007f95bca03f33 in start_thread (arg=0x7f95bbb0d700) at > pthread_create.c:309 > #11 0x00007f95bc731ead in clone () at > ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 > (gdb) > > As far as I understand it seems to call opal_list_append() twice in > orte/mca/grpcomm/bad/grpcomm_bad_module.c:163 > > opal_list_append(&orte_grpcomm_base.active_colls, &coll->super); > > I have no idea how to fix this. > > Adrian > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel
