I am traveling all this week and so don't know when I can take a look, but
will try.
-Paul

On Mon, Mar 6, 2017 at 7:40 PM, r...@open-mpi.org <r...@open-mpi.org> wrote:

> I’m not sure what could be going on here. I take it you were able to run
> this example for the 2.0 series under this environment, yes? This code
> hasn’t changed since that release, so I’m not sure why it would be failing
> to resolve symbols now.
>
>
> On Mar 6, 2017, at 2:22 PM, Paul Hargrove <phhargr...@lbl.gov> wrote:
>
> RC2 tarball for 2.1.0 configured with only --prefix=...
> and --enable-mca-no-build=patcher
> I don't have time to dig right now:
>
> $ mpirun -mca btl sm,self -np 2 examples/ring_c
> [openbsd-i386:95593] *** Process received signal ***
> --------------------------------------------------------------------------
> mpirun noticed that process rank 1 with PID 0 on node openbsd-i386 exited
> on signal 11 (Segmentation fault).
> --------------------------------------------------------------------------
>
> $ gdb examples/ring_c ring_c.core
> [...]
> (gdb) where
> #0  0x0ff27cf3 in _dl_find_symbol_obj (object=0x7d49a000, name=0xc7d96ab
> "strsignal", hash=Variable "hash" is
> not available.
> )
>     at /usr/src/libexec/ld.so/resolve.c:540
> #1  0x0ff27f8d in _dl_find_symbol (name=0xc7d96ab "strsignal",
> this=0x830f1584, flags=Variable "flags" is not
> available.
> )
>     at /usr/src/libexec/ld.so/resolve.c:669
> #2  0x0ff2a75f in _dl_bind (object=0x7d49a600, index=3704) at
> /usr/src/libexec/ld.so/i386/rtld_machine.c:387
> #3  0x0ff26637 in _dl_bind_start () at /usr/src/libexec/ld.so/i386/
> ldasm.S:155
> #4  0x7d49a600 in ?? ()
> #5  0x00000e78 in ?? ()
> #6  0x0d560033 in __fgetwc_unlock (fp=0x1) at /usr/src/lib/libc/stdio/
> fgetwc.c:65
> #7  <signal handler called>
> #8  0x0ff27cf3 in _dl_find_symbol_obj (object=0x7dd41c00, name=0xd48042f
> "recv", hash=Variable "hash" is not available.
> )
>     at /usr/src/libexec/ld.so/resolve.c:540
> #9  0x0ff27f8d in _dl_find_symbol (name=0xd48042f "recv", this=0x830f1c34,
> flags=Variable "flags" is not available.
> )
>     at /usr/src/libexec/ld.so/resolve.c:669
> #10 0x0ff2a75f in _dl_bind (object=0x82980e00, index=32) at
> /usr/src/libexec/ld.so/i386/rtld_machine.c:387
> #11 0x0ff26637 in _dl_bind_start () at /usr/src/libexec/ld.so/i386/
> ldasm.S:155
> #12 0x82980e00 in ?? ()
> #13 0x00000020 in ?? ()
> #14 0x0c820033 in opal_getcwd ()
>    from /home/phargrov/OMPI/openmpi-2.1.0rc2-openbsd6-i386/INST/lib/
> libopen-pal.so.30.0
> #15 0x0d4856e2 in mca_oob_usock_peer_recv_connect_ack ()
>    from /home/phargrov/OMPI/openmpi-2.1.0rc2-openbsd6-i386/INST/lib/
> openmpi/mca_oob_usock.so
> #16 0x0d48789e in mca_oob_usock_recv_handler ()
>    from /home/phargrov/OMPI/openmpi-2.1.0rc2-openbsd6-i386/INST/lib/
> openmpi/mca_oob_usock.so
> #17 0x0c82f11a in opal_libevent2022_event_base_loop (base=0x805b9000,
> flags=1)
>     at /home/phargrov/OMPI/openmpi-2.1.0rc2-openbsd6-i386/openmpi-
> 2.1.0rc2/opal/mca/event/libevent2022/libevent/event.c:1321
> #18 0x0c7f16b4 in progress_engine ()
>    from /home/phargrov/OMPI/openmpi-2.1.0rc2-openbsd6-i386/INST/lib/
> libopen-pal.so.30.0
> #19 0x0b3cc852 in _rthread_start (v=0x7dd42428) at /usr/src/lib/librthread/
> rthread.c:115
> #20 0x0d5c4f82 in __tfork_thread () at /usr/src/lib/libc/arch/i386/
> sys/tfork_thread.S:95
>
> -Paul
>
> --
> Paul H. Hargrove                          phhargr...@lbl.gov
> Computer Languages & Systems Software (CLaSS) Group
> Computer Science Department               Tel: +1-510-495-2352
> <(510)%20495-2352>
> Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900
> <(510)%20486-6900>
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-- 
Paul H. Hargrove                          phhargr...@lbl.gov
Computer Languages & Systems Software (CLaSS) Group
Computer Science Department               Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900
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