It looks like one of the MTL components is registering a progress call with the opal_progress thread, and then unloading when de-selected. Registering with opal_progress should only be done once the MTL has been selected and will run
> On Jul 23, 2015, at 5:05 PM, Paul Hargrove <phhargr...@lbl.gov> wrote: > > Yohann, > > With PR409 as it stands right now (commit 6daef310) I see no change to the > behavior. > I still get a SEGV below opal_progress() unless I use either > -mca mtl ^ofi > OR > -mca pml cm > > A backtrace from gdb appears below. > > -Paul > > (gdb) where > #0 0x00007f5bc7b59867 in ?? () from /lib64/libgcc_s.so.1 > #1 0x00007f5bc7b5a119 in _Unwind_Backtrace () from /lib64/libgcc_s.so.1 > #2 0x00007f5bcc9b08f6 in __backtrace (array=<value optimized out>, size=32) > at ../sysdeps/ia64/backtrace.c:110 > #3 0x00007f5bcc3483e1 in opal_backtrace_print (file=0x7f5bccc40880, > prefix=0x7fff6181d1f0 "[pcp-f-5:05049] ", strip=2) > at > /scratch/phargrov/OMPI/openmpi-1.10.0rc2-linux-x86_64-sl6x/openmpi-1.10.0rc2/opal/mca/backtrace/execinfo/backtrace_execinfo.c:47 > #4 0x00007f5bcc3456a9 in show_stackframe (signo=11, info=0x7fff6181d770, > p=0x7fff6181d640) > at > /scratch/phargrov/OMPI/openmpi-1.10.0rc2-linux-x86_64-sl6x/openmpi-1.10.0rc2/opal/util/stacktrace.c:336 > #5 <signal handler called> > #6 0x00007f5bc7717c58 in ?? () > #7 0x00007f5bcc2f567a in opal_progress () > at > /scratch/phargrov/OMPI/openmpi-1.10.0rc2-linux-x86_64-sl6x/openmpi-1.10.0rc2/opal/runtime/opal_progress.c:187 > #8 0x00007f5bccebbcb9 in ompi_mpi_init (argc=1, argv=0x7fff6181dd78, > requested=0, provided=0x7fff6181dbf8) > at > /scratch/phargrov/OMPI/openmpi-1.10.0rc2-linux-x86_64-sl6x/openmpi-1.10.0rc2/ompi/runtime/ompi_mpi_init.c:645 > #9 0x00007f5bccefbe77 in PMPI_Init (argc=0x7fff6181dc5c, > argv=0x7fff6181dc50) at pinit.c:84 > #10 0x000000000040088e in main (argc=1, argv=0x7fff6181dd78) at ring_c.c:19 > > (gdb) up 6 > #6 0x00007f5bc7717c58 in ?? () > (gdb) disass > No function contains program counter for selected frame. > > On Thu, Jul 23, 2015 at 8:13 AM, Burette, Yohann <yohann.bure...@intel.com > <mailto:yohann.bure...@intel.com>> wrote: > Paul, > > > > While looking at the issue, we noticed that we were missing some code that > deals with MTL priorities. > > > > PR 409 (https://github.com/open-mpi/ompi-release/pull/409 > <https://github.com/open-mpi/ompi-release/pull/409>) is attempting to fix > that. > > > > Hopefully, this will also fix the error you encountered. > > > > Thanks again, > > Yohann > > <> > From: devel [mailto:devel-boun...@open-mpi.org > <mailto:devel-boun...@open-mpi.org>] On Behalf Of Paul Hargrove > Sent: Wednesday, July 22, 2015 12:07 PM > > > To: Open MPI Developers > Subject: Re: [OMPI devel] 1.10.0rc2 > > > > Yohann, > > > > Things run fine with those additional flags. > > In fact, adding just "--mca pml cm" is sufficient to eliminate the SEGV. > > > > -Paul > > > > On Wed, Jul 22, 2015 at 8:49 AM, Burette, Yohann <yohann.bure...@intel.com > <mailto:yohann.bure...@intel.com>> wrote: > > Hi Paul, > > > > Thank you for doing all this testing! > > > > About 1), it’s hard for me to see whether it’s a problem with mtl:ofi or with > how OMPI selects the components to use. > > Could you please run your test again with “--mca mtl ofi --mca > mtl_ofi_provider sockets --mca pml cm”? > > The idea is that if it still fails, then we have a problem with either > mtl:ofi or the OFI/sockets provider. If it works, then there is an issue with > how OMPI selects what component to use. > > <> > I just tried 1.10.0rc2 with the latest libfabric (master) and it seems to > work fine. > > > > Yohann > > > > From: devel [mailto:devel-boun...@open-mpi.org > <mailto:devel-boun...@open-mpi.org>] On Behalf Of Paul Hargrove > Sent: Wednesday, July 22, 2015 1:05 AM > To: Open MPI Developers > Subject: Re: [OMPI devel] 1.10.0rc2 > > > > 1.10.0rc2 looks mostly good to me, but I still found some issues. > > > > > > 1) New to this round of testing, I have built mtl:ofi with gcc, pgi, icc, > clang, open64 and studio compilers. > > I have only the sockets provider in libfaric (v1.0.0 and 1.1.0rc2). > > However, unless I pass "-mca mtl ^ofi" to mpirun I get a SEGV from a callback > invoked in opal_progress(). > > Gdb did not give a function name for the callback, but the PC looks valid. > > > > > > 2) Of the several compilers I tried, only pgi-13.0 failed to compile mtl:ofi: > > > > /bin/sh ../../../../libtool --tag=CC --mode=compile pgcc > -DHAVE_CONFIG_H -I. > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/ompi/mca/mtl/ofi > -I../../../../opal/include -I../../../../orte/include > -I../../../../ompi/include -I../../../../oshmem/include > -I../../../../opal/mca/hwloc/hwloc191/hwloc/include/private/autogen > -I../../../../opal/mca/hwloc/hwloc191/hwloc/include/hwloc/autogen > -I/usr/common/ftg/libfabric/1.1.0rc2p1/include > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2 > -I../../../.. > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/opal/include > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/orte/include > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/ompi/include > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/oshmem/include > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/opal/mca/hwloc/hwloc191/hwloc/include > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/BLD/opal/mca/hwloc/hwloc191/hwloc/include > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/opal/mca/event/libevent2021/libevent > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/opal/mca/event/libevent2021/libevent/include > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/BLD/opal/mca/event/libevent2021/libevent/include > -g -c -o mtl_ofi_component.lo > /global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/ompi/mca/mtl/ofi/mtl_ofi_component.c > > libtool: compile: pgcc -DHAVE_CONFIG_H -I. > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/ompi/mca/mtl/ofi > -I../../../../opal/include -I../../../../orte/include > -I../../../../ompi/include -I../../../../oshmem/include > -I../../../../opal/mca/hwloc/hwloc191/hwloc/include/private/autogen > -I../../../../opal/mca/hwloc/hwloc191/hwloc/include/hwloc/autogen > -I/usr/common/ftg/libfabric/1.1.0rc2p1/include > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2 > -I../../../.. > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/opal/include > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/orte/include > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/ompi/include > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/oshmem/include > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/opal/mca/hwloc/hwloc191/hwloc/include > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/BLD/opal/mca/hwloc/hwloc191/hwloc/include > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/opal/mca/event/libevent2021/libevent > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/opal/mca/event/libevent2021/libevent/include > > -I/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/BLD/opal/mca/event/libevent2021/libevent/include > -g -c > /global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/ompi/mca/mtl/ofi/mtl_ofi_component.c > -fpic -DPIC -o .libs/mtl_ofi_component.o > > PGC-S-0060-opal_convertor_clone is not a member of this struct or union > (/global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-1.10.0rc2-linux-x86_64-pgi-13.10/openmpi-1.10.0rc2/ompi/mca/mtl/ofi/mtl_ofi_component.c: > 51) > > pgcc-Fatal-/global/scratch2/sd/hargrove/pgi-13.10/linux86-64/13.10/bin/pgc > TERMINATED by signal 11 > > > > Since this ends with a SEGV in the compiler, I don't think this is an issue > with the C code, just a plain compiler bug. > > At lease pgi-9.0-4 and pgi-10.9 compiled the code just fine. > > > > > > 3) As I noted in a separate email, there are some newly uncovered issues in > the embedded hwloc w/ pgi and -m32. > > However, I had not tested such configurations previously, and all indications > are that these issues have existed for a while. > > Brice is on vacation, so there will not be an official hwloc fix for this > issue until next week at the earliest. > > [The upside is that I now have coverage for eight additional x86 > configurations (true x86 or x86-64 w/ -m32).] > > > > > > 4) I noticed a couple warnings somebody might want to investigate: > > > openmpi-1.10.0rc2/ompi/mca/btl/openib/connect/btl_openib_connect_udcm.c:2323:59: > warning: format specifies type 'int' but the argument has type 'struct > ibv_qp *' [-Wformat] > > openmpi-1.10.0rc2/ompi/mca/btl/openib/connect/btl_openib_connect_udcm.c", > line 2471: warning: improper pointer/integer combination: arg #3 > > > > > > > > Also worth noting: > > > > The ConnectX and ConnectIB XRC detection logic appears to be working as > expected on multiple systems. > > > > I also have learned that pgi-9.0-4 is not a conforming C99 compiler when > passed -m32, which is not Open MPI's fault. > > > > > > And as before... > > + I am currently without any SPARC platforms > > + Several qemu-emulated ARM and MIPS tests will complete by morning (though I > have some ARM successes already) > > > > > > -Paul > > > > On Tue, Jul 21, 2015 at 12:29 PM, Ralph Castain <r...@open-mpi.org > <mailto:r...@open-mpi.org>> wrote: > > Hey folks > > > > 1.10.0rc2 is now out for review - excepting the library version numbers, this > should be the final version. Please take a quick gander and let me know of > any problems. > > > > http://www.open-mpi.org/software/ompi/v1.10/ > <http://www.open-mpi.org/software/ompi/v1.10/> > > > Ralph > > > > > _______________________________________________ > devel mailing list > de...@open-mpi.org <mailto:de...@open-mpi.org> > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > <http://www.open-mpi.org/mailman/listinfo.cgi/devel> > Link to this post: > http://www.open-mpi.org/community/lists/devel/2015/07/17670.php > <http://www.open-mpi.org/community/lists/devel/2015/07/17670.php> > > > > > -- > > Paul H. Hargrove phhargr...@lbl.gov > <mailto:phhargr...@lbl.gov> > Computer Languages & Systems Software (CLaSS) Group > > Computer Science Department Tel: +1-510-495-2352 > <tel:%2B1-510-495-2352> > Lawrence Berkeley National Laboratory Fax: +1-510-486-6900 > <tel:%2B1-510-486-6900> > > _______________________________________________ > devel mailing list > de...@open-mpi.org <mailto:de...@open-mpi.org> > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > <http://www.open-mpi.org/mailman/listinfo.cgi/devel> > Link to this post: > http://www.open-mpi.org/community/lists/devel/2015/07/17681.php > <http://www.open-mpi.org/community/lists/devel/2015/07/17681.php> > > > > > -- > > Paul H. Hargrove phhargr...@lbl.gov > <mailto:phhargr...@lbl.gov> > Computer Languages & Systems Software (CLaSS) Group > > Computer Science Department Tel: +1-510-495-2352 > <tel:%2B1-510-495-2352> > Lawrence Berkeley National Laboratory Fax: +1-510-486-6900 > <tel:%2B1-510-486-6900> > _______________________________________________ > devel mailing list > de...@open-mpi.org <mailto:de...@open-mpi.org> > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > <http://www.open-mpi.org/mailman/listinfo.cgi/devel> > Link to this post: > http://www.open-mpi.org/community/lists/devel/2015/07/17687.php > <http://www.open-mpi.org/community/lists/devel/2015/07/17687.php> > > > > -- > Paul H. Hargrove phhargr...@lbl.gov > <mailto: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 > _______________________________________________ > devel mailing list > de...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2015/07/17688.php
