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
