Okay, I'll poke into this - thanks! On Jun 6, 2014, at 12:48 PM, Dan Dietz <ddi...@purdue.edu> wrote:
> No problem - > > These are model name : Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz chips. > 2 per node, 8 cores each. No threading enabled. > > $ lstopo > Machine (64GB) > NUMANode L#0 (P#0 32GB) > Socket L#0 + L3 L#0 (20MB) > L2 L#0 (256KB) + L1d L#0 (32KB) + L1i L#0 (32KB) + Core L#0 + PU L#0 > (P#0) > L2 L#1 (256KB) + L1d L#1 (32KB) + L1i L#1 (32KB) + Core L#1 + PU L#1 > (P#1) > L2 L#2 (256KB) + L1d L#2 (32KB) + L1i L#2 (32KB) + Core L#2 + PU L#2 > (P#2) > L2 L#3 (256KB) + L1d L#3 (32KB) + L1i L#3 (32KB) + Core L#3 + PU L#3 > (P#3) > L2 L#4 (256KB) + L1d L#4 (32KB) + L1i L#4 (32KB) + Core L#4 + PU L#4 > (P#4) > L2 L#5 (256KB) + L1d L#5 (32KB) + L1i L#5 (32KB) + Core L#5 + PU L#5 > (P#5) > L2 L#6 (256KB) + L1d L#6 (32KB) + L1i L#6 (32KB) + Core L#6 + PU L#6 > (P#6) > L2 L#7 (256KB) + L1d L#7 (32KB) + L1i L#7 (32KB) + Core L#7 + PU L#7 > (P#7) > HostBridge L#0 > PCIBridge > PCI 1000:0087 > Block L#0 "sda" > PCIBridge > PCI 8086:2250 > PCIBridge > PCI 8086:1521 > Net L#1 "eth0" > PCI 8086:1521 > Net L#2 "eth1" > PCIBridge > PCI 102b:0533 > PCI 8086:1d02 > NUMANode L#1 (P#1 32GB) > Socket L#1 + L3 L#1 (20MB) > L2 L#8 (256KB) + L1d L#8 (32KB) + L1i L#8 (32KB) + Core L#8 + PU L#8 > (P#8) > L2 L#9 (256KB) + L1d L#9 (32KB) + L1i L#9 (32KB) + Core L#9 + PU L#9 > (P#9) > L2 L#10 (256KB) + L1d L#10 (32KB) + L1i L#10 (32KB) + Core L#10 > + PU L#10 (P#10) > L2 L#11 (256KB) + L1d L#11 (32KB) + L1i L#11 (32KB) + Core L#11 > + PU L#11 (P#11) > L2 L#12 (256KB) + L1d L#12 (32KB) + L1i L#12 (32KB) + Core L#12 > + PU L#12 (P#12) > L2 L#13 (256KB) + L1d L#13 (32KB) + L1i L#13 (32KB) + Core L#13 > + PU L#13 (P#13) > L2 L#14 (256KB) + L1d L#14 (32KB) + L1i L#14 (32KB) + Core L#14 > + PU L#14 (P#14) > L2 L#15 (256KB) + L1d L#15 (32KB) + L1i L#15 (32KB) + Core L#15 > + PU L#15 (P#15) > HostBridge L#5 > PCIBridge > PCI 15b3:1011 > Net L#3 "ib0" > OpenFabrics L#4 "mlx5_0" > PCIBridge > PCI 8086:2250 > > From the segfault below. I tried reproducing the crash on less than an > 4 node allocation but wasn't able to. > > ddietz@conte-a009:/scratch/conte/d/ddietz/hello$ mpirun -np 2 > -machinefile ./nodes -mca plm_base_verbose 10 ./hello > [conte-a009.rcac.purdue.edu:55685] mca: base: components_register: > registering plm components > [conte-a009.rcac.purdue.edu:55685] mca: base: components_register: > found loaded component isolated > [conte-a009.rcac.purdue.edu:55685] mca: base: components_register: > component isolated has no register or open function > [conte-a009.rcac.purdue.edu:55685] mca: base: components_register: > found loaded component slurm > [conte-a009.rcac.purdue.edu:55685] mca: base: components_register: > component slurm register function successful > [conte-a009.rcac.purdue.edu:55685] mca: base: components_register: > found loaded component rsh > [conte-a009.rcac.purdue.edu:55685] mca: base: components_register: > component rsh register function successful > [conte-a009.rcac.purdue.edu:55685] mca: base: components_register: > found loaded component tm > [conte-a009.rcac.purdue.edu:55685] mca: base: components_register: > component tm register function successful > [conte-a009.rcac.purdue.edu:55685] mca: base: components_open: opening > plm components > [conte-a009.rcac.purdue.edu:55685] mca: base: components_open: found > loaded component isolated > [conte-a009.rcac.purdue.edu:55685] mca: base: components_open: > component isolated open function successful > [conte-a009.rcac.purdue.edu:55685] mca: base: components_open: found > loaded component slurm > [conte-a009.rcac.purdue.edu:55685] mca: base: components_open: > component slurm open function successful > [conte-a009.rcac.purdue.edu:55685] mca: base: components_open: found > loaded component rsh > [conte-a009.rcac.purdue.edu:55685] mca: base: components_open: > component rsh open function successful > [conte-a009.rcac.purdue.edu:55685] mca: base: components_open: found > loaded component tm > [conte-a009.rcac.purdue.edu:55685] mca: base: components_open: > component tm open function successful > [conte-a009.rcac.purdue.edu:55685] mca:base:select: Auto-selecting plm > components > [conte-a009.rcac.purdue.edu:55685] mca:base:select:( plm) Querying > component [isolated] > [conte-a009.rcac.purdue.edu:55685] mca:base:select:( plm) Query of > component [isolated] set priority to 0 > [conte-a009.rcac.purdue.edu:55685] mca:base:select:( plm) Querying > component [slurm] > [conte-a009.rcac.purdue.edu:55685] mca:base:select:( plm) Skipping > component [slurm]. Query failed to return a module > [conte-a009.rcac.purdue.edu:55685] mca:base:select:( plm) Querying > component [rsh] > [conte-a009.rcac.purdue.edu:55685] [[INVALID],INVALID] plm:rsh_lookup > on agent ssh : rsh path NULL > [conte-a009.rcac.purdue.edu:55685] mca:base:select:( plm) Query of > component [rsh] set priority to 10 > [conte-a009.rcac.purdue.edu:55685] mca:base:select:( plm) Querying > component [tm] > [conte-a009.rcac.purdue.edu:55685] mca:base:select:( plm) Query of > component [tm] set priority to 75 > [conte-a009.rcac.purdue.edu:55685] mca:base:select:( plm) Selected > component [tm] > [conte-a009.rcac.purdue.edu:55685] mca: base: close: component isolated closed > [conte-a009.rcac.purdue.edu:55685] mca: base: close: unloading > component isolated > [conte-a009.rcac.purdue.edu:55685] mca: base: close: component slurm closed > [conte-a009.rcac.purdue.edu:55685] mca: base: close: unloading component slurm > [conte-a009.rcac.purdue.edu:55685] mca: base: close: component rsh closed > [conte-a009.rcac.purdue.edu:55685] mca: base: close: unloading component rsh > [conte-a009.rcac.purdue.edu:55685] plm:base:set_hnp_name: initial bias > 55685 nodename hash 3965217721 > [conte-a009.rcac.purdue.edu:55685] plm:base:set_hnp_name: final jobfam 24164 > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] plm:base:receive start comm > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] plm:base:setup_job > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] plm:base:setup_vm > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] plm:base:setup_vm creating > map > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] plm:base:setup_vm add > new daemon [[24164,0],1] > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] plm:base:setup_vm > assigning new daemon [[24164,0],1] to node conte-a055 > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] plm:tm: launching vm > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] plm:tm: final top-level argv: > orted -mca ess tm -mca orte_ess_jobid 1583611904 -mca orte_ess_vpid > <template> -mca orte_ess_num_procs 2 -mca orte_hnp_uri > "1583611904.0;tcp://172.18.96.49,172.31.1.254,172.31.2.254,172.18.112.49:37380" > -mca plm_base_verbose 10 > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] plm:tm: resetting > LD_LIBRARY_PATH: > /scratch/conte/d/ddietz/openmpi-1.8.1-debug/intel-14.0.2.144/lib:/scratch/conte/d/ddietz/openmpi-1.8.1-debug/intel-14.0.2.144/lib:/scratch/conte/d/ddietz/openmpi-1.8.1-debug/intel-14.0.2.144/lib:/usr/pbs/lib:/apps/rhel6/intel/composer_xe_2013_sp1.2.144/compiler/lib/intel64:/apps/rhel6/intel/composer_xe_2013_sp1.2.144/mpirt/lib/intel64:/apps/rhel6/intel/composer_xe_2013_sp1.2.144/ipp/lib/intel64:/apps/rhel6/intel/composer_xe_2013_sp1.2.144/mkl/lib/intel64:/apps/rhel6/intel/composer_xe_2013_sp1.2.144/tbb/lib/intel64:/opt/intel/mic/coi/host-linux-release/lib:/opt/intel/mic/myo/lib:/apps/rhel6/intel/opencl-1.2-3.2.1.16712/lib64 > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] plm:tm: resetting > PATH: > /scratch/conte/d/ddietz/openmpi-1.8.1-debug/intel-14.0.2.144/bin:/scratch/conte/d/ddietz/openmpi-1.8.1-debug/intel-14.0.2.144/bin:/scratch/conte/d/ddietz/openmpi-1.8.1-debug/intel-14.0.2.144/bin:/apps/rhel6/intel/composer_xe_2013_sp1.2.144/bin/intel64:/opt/intel/mic/bin:/apps/rhel6/intel/inspector_xe_2013/bin64:/apps/rhel6/intel/advisor_xe_2013/bin64:/apps/rhel6/intel/vtune_amplifier_xe_2013/bin64:/apps/rhel6/intel/opencl-1.2-3.2.1.16712/bin:/usr/lib64/qt-3.3/bin:/opt/moab/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/opt/hpss/bin:/opt/hsi/bin:/opt/ibutils/bin:/usr/pbs/bin:/opt/moab/bin:/usr/site/rcac/scripts:/usr/site/rcac/support_scripts:/usr/site/rcac/bin:/usr/site/rcac/sbin:/usr/sbin > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] plm:tm: launching on > node conte-a055 > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] plm:tm: executing: > orted -mca ess tm -mca orte_ess_jobid 1583611904 -mca orte_ess_vpid 1 > -mca orte_ess_num_procs 2 -mca orte_hnp_uri > "1583611904.0;tcp://172.18.96.49,172.31.1.254,172.31.2.254,172.18.112.49:37380" > -mca plm_base_verbose 10 > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] plm:tm:launch: > finished spawning orteds > [conte-a055.rcac.purdue.edu:32094] mca: base: components_register: > registering plm components > [conte-a055.rcac.purdue.edu:32094] mca: base: components_register: > found loaded component rsh > [conte-a055.rcac.purdue.edu:32094] mca: base: components_register: > component rsh register function successful > [conte-a055.rcac.purdue.edu:32094] mca: base: components_open: opening > plm components > [conte-a055.rcac.purdue.edu:32094] mca: base: components_open: found > loaded component rsh > [conte-a055.rcac.purdue.edu:32094] mca: base: components_open: > component rsh open function successful > [conte-a055.rcac.purdue.edu:32094] mca:base:select: Auto-selecting plm > components > [conte-a055.rcac.purdue.edu:32094] mca:base:select:( plm) Querying > component [rsh] > [conte-a055.rcac.purdue.edu:32094] [[24164,0],1] plm:rsh_lookup on > agent ssh : rsh path NULL > [conte-a055.rcac.purdue.edu:32094] mca:base:select:( plm) Query of > component [rsh] set priority to 10 > [conte-a055.rcac.purdue.edu:32094] mca:base:select:( plm) Selected > component [rsh] > [conte-a055.rcac.purdue.edu:32094] [[24164,0],1] plm:rsh_setup on > agent ssh : rsh path NULL > [conte-a055.rcac.purdue.edu:32094] [[24164,0],1] plm:base:receive start comm > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] > plm:base:orted_report_launch from daemon [[24164,0],1] > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] > plm:base:orted_report_launch from daemon [[24164,0],1] on node > conte-a055 > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] RECEIVED TOPOLOGY > FROM NODE conte-a055 > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] NEW TOPOLOGY - ADDING > [conte-a009.rcac.purdue.edu:55685] [[24164,0],0] > plm:base:orted_report_launch completed for daemon [[24164,0],1] at > contact > 1583611904.1;tcp://172.18.96.95,172.31.1.254,172.31.2.254,172.18.112.95:58312 > [conte-a009:55685] *** Process received signal *** > [conte-a009:55685] Signal: Segmentation fault (11) > [conte-a009:55685] Signal code: Address not mapped (1) > [conte-a009:55685] Failing at address: 0x4c > [conte-a009:55685] [ 0] /lib64/libpthread.so.0[0x327f80f500] > [conte-a009:55685] [ 1] > /scratch/conte/d/ddietz/openmpi-1.8.1-debug/intel-14.0.2.144/lib/libopen-rte.so.7(orte_plm_base_complete_setup+0x951)[0x2b5b069a50e1] > [conte-a009:55685] [ 2] > /scratch/conte/d/ddietz/openmpi-1.8.1-debug/intel-14.0.2.144/lib/libopen-pal.so.6(opal_libevent2021_event_base_loop+0xa05)[0x2b5b075ff145] > [conte-a009:55685] [ 3] mpirun(orterun+0x1ffd)[0x4073b5] > [conte-a009:55685] [ 4] mpirun(main+0x20)[0x4048f4] > [conte-a009:55685] [ 5] /lib64/libc.so.6(__libc_start_main+0xfd)[0x327f41ecdd] > [conte-a009:55685] [ 6] mpirun[0x404819] > [conte-a009:55685] *** End of error message *** > Segmentation fault (core dumped) > ddietz@conte-a009:/scratch/conte/d/ddietz/hello$ > [conte-a055.rcac.purdue.edu:32094] [[24164,0],1] plm:base:receive stop > comm > > On Fri, Jun 6, 2014 at 3:00 PM, Ralph Castain <r...@open-mpi.org> wrote: >> Sorry to pester with questions, but I'm trying to narrow down the issue. >> >> * What kind of chips are on these machines? >> >> * If they have h/w threads, are they enabled? >> >> * you might have lstopo on one of those machines - could you pass along its >> output? Otherwise, you can run a simple "mpirun -n 1 -mca ess_base_verbose >> 20 hostname" and it will print out. Only need one node in your allocation as >> we don't need a fountain of output. >> >> I'll look into the segfault - hard to understand offhand, but could be an >> uninitialized variable. If you have a chance, could you rerun that test with >> "-mca plm_base_verbose 10" on the cmd line? >> >> Thanks again >> Ralph >> >> On Jun 6, 2014, at 10:31 AM, Dan Dietz <ddi...@purdue.edu> wrote: >> >>> Thanks for the reply. I tried out the --display-allocation option with >>> several different combinations and have attached the output. I see >>> this behavior on both RHEL6.4, RHEL6.5, and RHEL5.10 clusters. >>> >>> >>> Here's debugging info on the segfault. Does that help? FWIW this does >>> not seem to crash on the RHEL5 cluster or RHEL6.5 cluster. Just >>> crashes on RHEL6.4. >>> >>> ddietz@conte-a009:/scratch/conte/d/ddietz/hello$ gdb -c core.22623 >>> `which mpirun` >>> No symbol table is loaded. Use the "file" command. >>> GNU gdb (GDB) 7.5-1.3.187 >>> Copyright (C) 2012 Free Software Foundation, Inc. >>> License GPLv3+: GNU GPL version 3 or later >>> <http://gnu.org/licenses/gpl.html> >>> This is free software: you are free to change and redistribute it. >>> There is NO WARRANTY, to the extent permitted by law. Type "show copying" >>> and "show warranty" for details. >>> This GDB was configured as "x86_64-unknown-linux-gnu". >>> For bug reporting instructions, please see: >>> <http://www.gnu.org/software/gdb/bugs/>... >>> Reading symbols from >>> /scratch/conte/d/ddietz/openmpi-1.8.1-debug/intel-14.0.2.144/bin/mpirun...done. >>> [New LWP 22623] >>> [New LWP 22624] >>> >>> warning: Can't read pathname for load map: Input/output error. >>> [Thread debugging using libthread_db enabled] >>> Using host libthread_db library "/lib64/libthread_db.so.1". >>> Core was generated by `mpirun -np 2 -machinefile ./nodes ./hello'. >>> Program terminated with signal 11, Segmentation fault. >>> #0 0x00002acc602920e1 in orte_plm_base_complete_setup (fd=-1, >>> args=-1, cbdata=0x20c0840) at base/plm_base_launch_support.c:422 >>> 422 node->hostid = node->daemon->name.vpid; >>> (gdb) bt >>> #0 0x00002acc602920e1 in orte_plm_base_complete_setup (fd=-1, >>> args=-1, cbdata=0x20c0840) at base/plm_base_launch_support.c:422 >>> #1 0x00002acc60eec145 in opal_libevent2021_event_base_loop () from >>> /scratch/conte/d/ddietz/openmpi-1.8.1-debug/intel-14.0.2.144/lib/libopen-pal.so.6 >>> #2 0x00000000004073b5 in orterun (argc=6, argv=0x7fff5bb2a3a8) at >>> orterun.c:1077 >>> #3 0x00000000004048f4 in main (argc=6, argv=0x7fff5bb2a3a8) at main.c:13 >>> >>> ddietz@conte-a009:/scratch/conte/d/ddietz/hello$ cat nodes >>> conte-a009 >>> conte-a009 >>> conte-a055 >>> conte-a055 >>> ddietz@conte-a009:/scratch/conte/d/ddietz/hello$ uname -r >>> 2.6.32-358.14.1.el6.x86_64 >>> >>> On Thu, Jun 5, 2014 at 7:54 PM, Ralph Castain <r...@open-mpi.org> wrote: >>>> >>>> On Jun 5, 2014, at 2:13 PM, Dan Dietz <ddi...@purdue.edu> wrote: >>>> >>>>> Hello all, >>>>> >>>>> I'd like to bind 8 cores to a single MPI rank for hybrid MPI/OpenMP >>>>> codes. In OMPI 1.6.3, I can do: >>>>> >>>>> $ mpirun -np 2 -cpus-per-rank 8 -machinefile ./nodes ./hello >>>>> >>>>> I get one rank bound to procs 0-7 and the other bound to 8-15. Great! >>>>> >>>>> But I'm having some difficulties doing this with openmpi 1.8.1: >>>>> >>>>> $ mpirun -np 2 -cpus-per-rank 8 -machinefile ./nodes ./hello >>>>> -------------------------------------------------------------------------- >>>>> The following command line options and corresponding MCA parameter have >>>>> been deprecated and replaced as follows: >>>>> >>>>> Command line options: >>>>> Deprecated: --cpus-per-proc, -cpus-per-proc, --cpus-per-rank, >>>>> -cpus-per-rank >>>>> Replacement: --map-by <obj>:PE=N >>>>> >>>>> Equivalent MCA parameter: >>>>> Deprecated: rmaps_base_cpus_per_proc >>>>> Replacement: rmaps_base_mapping_policy=<obj>:PE=N >>>>> >>>>> The deprecated forms *will* disappear in a future version of Open MPI. >>>>> Please update to the new syntax. >>>>> -------------------------------------------------------------------------- >>>>> -------------------------------------------------------------------------- >>>>> There are not enough slots available in the system to satisfy the 2 slots >>>>> that were requested by the application: >>>>> ./hello >>>>> >>>>> Either request fewer slots for your application, or make more slots >>>>> available >>>>> for use. >>>>> -------------------------------------------------------------------------- >>>>> >>>>> OK, let me try the new syntax... >>>>> >>>>> $ mpirun -np 2 --map-by core:pe=8 -machinefile ./nodes ./hello >>>>> -------------------------------------------------------------------------- >>>>> There are not enough slots available in the system to satisfy the 2 slots >>>>> that were requested by the application: >>>>> ./hello >>>>> >>>>> Either request fewer slots for your application, or make more slots >>>>> available >>>>> for use. >>>>> -------------------------------------------------------------------------- >>>>> >>>>> What am I doing wrong? The documentation on these new options is >>>>> somewhat poor and confusing so I'm probably doing something wrong. If >>>>> anyone could provide some pointers here it'd be much appreciated! If >>>>> it's not something simple and you need config logs and such please let >>>>> me know. >>>> >>>> Looks like we think there are less than 16 slots allocated on that node. >>>> What is in this "nodes" file? Without it, OMPI should read the Torque >>>> allocation directly. You might check what we think the allocation is by >>>> adding --display-allocation to the cmd line >>>> >>>>> >>>>> As a side note - >>>>> >>>>> If I try this using the PBS nodefile with the above, I get a confusing >>>>> message: >>>>> >>>>> -------------------------------------------------------------------------- >>>>> A request for multiple cpus-per-proc was given, but a directive >>>>> was also give to map to an object level that has less cpus than >>>>> requested ones: >>>>> >>>>> #cpus-per-proc: 8 >>>>> number of cpus: 1 >>>>> map-by: BYCORE:NOOVERSUBSCRIBE >>>>> >>>>> Please specify a mapping level that has more cpus, or else let us >>>>> define a default mapping that will allow multiple cpus-per-proc. >>>>> -------------------------------------------------------------------------- >>>>> >>>>> From what I've gathered this is because I have a node listed 16 times >>>>> in my PBS nodefile so it's assuming then I have 1 core per node? >>>> >>>> >>>> No - if listed 16 times, it should compute 16 slots. Try adding >>>> --display-allocation to your cmd line and it should tell you how many >>>> slots are present. >>>> >>>> However, it doesn't assume there is a core for each slot. Instead, it >>>> detects the cores directly on the node. It sounds like it isn't seeing >>>> them for some reason. What OS are you running on that node? >>>> >>>> FWIW: the 1.6 series has a different detection system for cores. Could be >>>> something is causing problems for the new one. >>>> >>>>> Some >>>>> better documentation here would be helpful. I haven't been able to >>>>> figure out how to use the "oversubscribe" option listed in the docs. >>>>> Not that I really want to oversubscribe, of course, I need to modify >>>>> the nodefile, but this just stumped me for a while as 1.6.3 didn't >>>>> have this behavior. >>>>> >>>>> >>>>> As a extra bonus, I get a segfault in this situation: >>>>> >>>>> $ mpirun -np 2 -machinefile ./nodes ./hello >>>>> [conte-a497:13255] *** Process received signal *** >>>>> [conte-a497:13255] Signal: Segmentation fault (11) >>>>> [conte-a497:13255] Signal code: Address not mapped (1) >>>>> [conte-a497:13255] Failing at address: 0x2c >>>>> [conte-a497:13255] [ 0] /lib64/libpthread.so.0[0x3c9460f500] >>>>> [conte-a497:13255] [ 1] >>>>> /apps/rhel6/openmpi/1.8.1/intel-14.0.2.144/lib/libopen-rte.so.7(orte_plm_base_complete_setup+0x615)[0x2ba960a59015] >>>>> [conte-a497:13255] [ 2] >>>>> /apps/rhel6/openmpi/1.8.1/intel-14.0.2.144/lib/libopen-pal.so.6(opal_libevent2021_event_base_loop+0xa05)[0x2ba961666715] >>>>> [conte-a497:13255] [ 3] mpirun(orterun+0x1b45)[0x40684f] >>>>> [conte-a497:13255] [ 4] mpirun(main+0x20)[0x4047f4] >>>>> [conte-a497:13255] [ 5] >>>>> /lib64/libc.so.6(__libc_start_main+0xfd)[0x3a1bc1ecdd] >>>>> [conte-a497:13255] [ 6] mpirun[0x404719] >>>>> [conte-a497:13255] *** End of error message *** >>>>> Segmentation fault (core dumped) >>>>> >>>> >>>> Huh - that's odd. Could you perhaps configure OMPI with --enable-debug and >>>> gdb the core file to tell us the line numbers involved? >>>> >>>> Thanks >>>> Ralph >>>> >>>>> >>>>> My "nodes" file simply contains the first two lines of my original >>>>> $PBS_NODEFILE provided by Torque. See above why I modified. Works fine >>>>> if use the full file. >>>>> >>>>> >>>>> >>>>> Thanks in advance for any pointers you all may have! >>>>> >>>>> Dan >>>>> >>>>> >>>>> -- >>>>> Dan Dietz >>>>> Scientific Applications Analyst >>>>> ITaP Research Computing, Purdue University >>>>> _______________________________________________ >>>>> users mailing list >>>>> us...@open-mpi.org >>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>>> >>>> _______________________________________________ >>>> users mailing list >>>> us...@open-mpi.org >>>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>> >>> >>> >>> -- >>> Dan Dietz >>> Scientific Applications Analyst >>> ITaP Research Computing, Purdue University >>> <slots>_______________________________________________ >>> users mailing list >>> us...@open-mpi.org >>> http://www.open-mpi.org/mailman/listinfo.cgi/users >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > -- > Dan Dietz > Scientific Applications Analyst > ITaP Research Computing, Purdue University > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
