/scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/bin/mpirun -np 8 -mca btl sm,tcp --mca rtc_freq_priority 0 /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/examples/hello_usempiProgram terminated with signal 11, Segmentation fault.
#0 orte_plm_base_post_launch (fd=<value optimized out>, args=<value optimized out>, cbdata=0x7393b0) at base/plm_base_launch_support.c:607 607 opal_event_evtimer_del(timer->ev); Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.107.el6.x86_64 libgcc-4.4.7-3.el6.x86_64 libpciaccess-0.13.1-2.el6.x86_64 numactl-2.0.7-6.el6.x86_64 (gdb) bt #0 orte_plm_base_post_launch (fd=<value optimized out>, args=<value optimized out>, cbdata=0x7393b0) at base/plm_base_launch_support.c:607 #1 0x00007ffff7b1076c in event_process_active_single_queue (base=0x630d30, flags=<value optimized out>) at event.c:1367 #2 event_process_active (base=0x630d30, flags=<value optimized out>) at event.c:1437 #3 opal_libevent2021_event_base_loop (base=0x630d30, flags=<value optimized out>) at event.c:1645 #4 0x000000000040501d in orterun (argc=10, argv=0x7fffffffe208) at orterun.c:1080 #5 0x00000000004039e4 in main (argc=10, argv=0x7fffffffe208) at main.c:13 On Mon, Jun 2, 2014 at 3:31 PM, Gilles Gouaillardet < gilles.gouaillar...@gmail.com> wrote: > OK, > > please send me a clean gdb backtrace : > ulimit -c unlimited > /* this should generate a core */ > mpirun ... > gdb mpirun core... > bt > > if no core > gdb mpirun > r -np ... --mca ... ... > and after the crash > bt > > then i can only review the code and hope i can find the root cause of the > error i am unable to reproduce in my environment > > Cheers, > > Gilles > > > > > On Mon, Jun 2, 2014 at 9:03 PM, Mike Dubman <mi...@dev.mellanox.co.il> > wrote: > >> Hi, >> The jenkins took your commit and applied automatically, I tried with mca >> flag later. >> Also, we don`t have /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor >> in our system, the cpuspeed daemon is off by default on all our nodes. >> >> >> Regards >> M >> >> >> On Mon, Jun 2, 2014 at 3:00 PM, Gilles Gouaillardet < >> gilles.gouaillar...@gmail.com> wrote: >> >>> Mike, >>> >>> did you apply the patch *and* mpirun --mca rtc_freq_priority 0 ? >>> >>> *both* are required (--mca rtc_freq_priority 0 is not enough without the >>> patch) >>> >>> can you please confirm there is no >>> /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor >>> (pseudo) file on your system ? >>> >>> if this still does not work for you, then this might be a different >>> issue i was unable to reproduce. >>> in this case, could you run mpirun under gdb and send a gdb stack trace ? >>> >>> >>> Cheers, >>> >>> Gilles >>> >>> >>> >>> >>> On Mon, Jun 2, 2014 at 8:26 PM, Mike Dubman <mi...@dev.mellanox.co.il> >>> wrote: >>> >>>> more info, specifying --mca rtc_freq_priority 0 explicitly, generates >>>> different kind of fail: >>>> >>>> $/scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/bin/mpirun >>>> -np 8 -mca btl sm,tcp --mca rtc_freq_priority 0 >>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/examples/hello_usempi >>>> [vegas12:13887] *** Process received signal *** >>>> [vegas12:13887] Signal: Segmentation fault (11) >>>> [vegas12:13887] Signal code: Address not mapped (1) >>>> [vegas12:13887] Failing at address: 0x20 >>>> [vegas12:13887] [ 0] /lib64/libpthread.so.0[0x3937c0f500] >>>> [vegas12:13887] [ 1] >>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/lib/libopen-rte.so.0(orte_plm_base_post_launch+0x90)[0x7ffff7dcbe50] >>>> [vegas12:13887] [ 2] >>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/lib/libopen-pal.so.0(opal_libevent2021_event_base_loop+0x8bc)[0x7ffff7b1076c] >>>> [vegas12:13887] [ 3] >>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/bin/mpirun(orterun+0x126d)[0x40501d] >>>> [vegas12:13887] [ 4] >>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/bin/mpirun(main+0x20)[0x4039e4] >>>> [vegas12:13887] [ 5] >>>> /lib64/libc.so.6(__libc_start_main+0xfd)[0x393741ecdd] >>>> [vegas12:13887] [ 6] >>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/bin/mpirun[0x403909] >>>> [vegas12:13887] *** End of error message *** >>>> Segmentation fault (core dumped) >>>> >>>> >>>> On Mon, Jun 2, 2014 at 2:24 PM, Mike Dubman <mi...@dev.mellanox.co.il> >>>> wrote: >>>> >>>>> Hi, >>>>> This fix "orte_rtc_base_select: skip a RTC module if it has a zero >>>>> priority" did not help and jenkins stilll fails as before. >>>>> The ompi was configured: >>>>> --with-platform=contrib/platform/mellanox/optimized >>>>> --with-ompi-param-check --enable-picky --with-knem --with-mxm --with-fca >>>>> >>>>> The run was on single node: >>>>> >>>>> $/scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/bin/mpirun >>>>> -np 8 -mca btl sm,tcp >>>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/examples/hello_usempi >>>>> [vegas12:13834] *** Process received signal *** >>>>> [vegas12:13834] Signal: Segmentation fault (11) >>>>> [vegas12:13834] Signal code: Address not mapped (1) >>>>> [vegas12:13834] Failing at address: (nil) >>>>> [vegas12:13834] [ 0] /lib64/libpthread.so.0[0x3937c0f500] >>>>> [vegas12:13834] [ 1] /lib64/libc.so.6(fgets+0x2d)[0x3937466f2d] >>>>> [vegas12:13834] [ 2] >>>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/lib/openmpi/mca_rtc_freq.so(+0x1f3f)[0x7ffff41f5f3f] >>>>> [vegas12:13834] [ 3] >>>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/lib/openmpi/mca_rtc_freq.so(+0x279b)[0x7ffff41f679b] >>>>> [vegas12:13834] [ 4] >>>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/lib/libopen-rte.so.0(orte_rtc_base_select+0xe6)[0x7ffff7ddc036] >>>>> [vegas12:13834] [ 5] >>>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/lib/openmpi/mca_ess_hnp.so(+0x4056)[0x7ffff725b056] >>>>> [vegas12:13834] [ 6] >>>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/lib/libopen-rte.so.0(orte_init+0x174)[0x7ffff7d97254] >>>>> [vegas12:13834] [ 7] >>>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/bin/mpirun(orterun+0x863)[0x404613] >>>>> [vegas12:13834] [ 8] >>>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/bin/mpirun(main+0x20)[0x4039e4] >>>>> [vegas12:13834] [ 9] >>>>> /lib64/libc.so.6(__libc_start_main+0xfd)[0x393741ecdd] >>>>> [vegas12:13834] [10] >>>>> /scrap/jenkins/scrap/workspace/hpc-ompi-shmem/label/hpc-test-node/ompi_install1/bin/mpirun[0x403909] >>>>> [vegas12:13834] *** End of error message *** >>>>> Segmentation fault (core dumped) >>>>> >>>>> >>>>> >>>>> >>>>> On Mon, Jun 2, 2014 at 10:19 AM, Gilles Gouaillardet < >>>>> gilles.gouaillar...@gmail.com> wrote: >>>>> >>>>>> Mike and Ralph, >>>>>> >>>>>> i could not find a simple workaround. >>>>>> >>>>>> for the time being, i commited r31926 and invite those who face a >>>>>> similar issue to use the following workaround : >>>>>> export OMPI_MCA_rtc_freq_priority=0 >>>>>> /* or mpirun --mca rtc_freq_priority 0 ... */ >>>>>> >>>>>> Cheers, >>>>>> >>>>>> Gilles >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> On Mon, Jun 2, 2014 at 3:45 PM, Gilles Gouaillardet < >>>>>> gilles.gouaillar...@gmail.com> wrote: >>>>>> >>>>>>> in orte/mca/rtc/freq/rtc_freq.c at line 187 >>>>>>> fp = fopen(filename, "r"); >>>>>>> and filename is >>>>>>> "/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor" >>>>>>> >>>>>>> there is no error check, so if fp is NULL, orte_getline() will call >>>>>>> fgets() that will crash. >>>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> 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/2014/06/14939.php >>>>>> >>>>> >>>>> >>>> >>>> _______________________________________________ >>>> 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/2014/06/14945.php >>>> >>> >>> >>> _______________________________________________ >>> 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/2014/06/14947.php >>> >> >> >> _______________________________________________ >> 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/2014/06/14948.php >> > > > _______________________________________________ > 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/2014/06/14949.php >
