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I am running into some trouble using OpenMPI with OSX 10.6.4 in a Kerberized XGrid environment. Note, I did not have this trouble before in the OSX 10.5.8 Kerberized XGrid environment.
The pattern of this trouble is as follows:
1. User submits a mpi job entering "mpirun -np 4 hello", to use a simple hello world MPI example.
2. mpirun will submit the job to XGrid.
3. A set of orted jobs get distributed to the machines, under the kerberized user's name.
4. In the case of the OpenMPI 1.2.8, 1.2.3 compiled for gfortran, 1.2.8 compiled for gfortran, and 1.2.9 that comes with OSX 10.6.4, it will actually spawn the processes on the machine.
It comes back with the following exception:
2010-07-29 10:25:49.063 mpirun[949:903] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSKVONotifying_XGConnection<0x100130f30> finalize]: called when collecting not enabled'
*** Call stack at first throw:
0 CoreFoundation 0x00007fff811f2cc4 __exceptionPreprocess + 180
1 libobjc.A.dylib 0x00007fff851820f3 objc_exception_throw + 45
2 CoreFoundation 0x00007fff8120d9f1 -[NSObject(NSObject) finalize] + 129
3 mca_pls_xgrid.so 0x0000000100297ce3 -[PlsXGridClient dealloc] + 419
4 mca_pls_xgrid.so 0x0000000100297837 orte_pls_xgrid_finalize + 40
5 libopen-rte.0.dylib 0x000000010002d0f9 orte_pls_base_close + 249
6 libopen-rte.0.dylib 0x0000000100012027 orte_system_finalize + 119
7 libopen-rte.0.dylib 0x000000010000e968 orte_finalize + 40
8 mpirun 0x00000001000011ff orterun + 2042
9 mpirun 0x0000000100000a03 main + 27
10 mpirun 0x00000001000009e0 start + 52
11 ??? 0x0000000000000004 0x0 + 4
terminate called after throwing an instance of 'NSException'
[bigmac:00949] *** Process received signal ***
[bigmac:00949] Signal: Abort trap (6)
[bigmac:00949] Signal code: (0)
[bigmac:00949] [ 0] 2 libSystem.B.dylib 0x00007fff833e435a _sigtramp + 26
[bigmac:00949] [ 1] 3 ??? 0x00007fff5fbff500 0x0 + 140734799803648
[bigmac:00949] [ 2] 4 libstdc++.6.dylib 0x00007fff80e525d2 __tcf_0 + 0
[bigmac:00949] [ 3] 5 libobjc.A.dylib 0x00007fff85185d29 _objc_terminate + 100
[bigmac:00949] [ 4] 6 libstdc++.6.dylib 0x00007fff80e50ae1 _ZN10__cxxabiv111__terminateEPFvvE + 11
[bigmac:00949] [ 5] 7 libstdc++.6.dylib 0x00007fff80e50b16 _ZN10__cxxabiv112__unexpectedEPFvvE + 0
[bigmac:00949] [ 6] 8 libstdc++.6.dylib 0x00007fff80e50bfc _ZL23__gxx_exception_cleanup19_Unwind_Reason_CodeP17_Unwind_Exception + 0
[bigmac:00949] [ 7] 9 libobjc.A.dylib 0x00007fff85182192 object_getIvar + 0
[bigmac:00949] [ 8] 10 CoreFoundation 0x00007fff8120d9f1 -[NSObject(NSObject) finalize] + 129
[bigmac:00949] [ 9] 11 mca_pls_xgrid.so 0x0000000100297ce3 -[PlsXGridClient dealloc] + 419
[bigmac:00949]  12 mca_pls_xgrid.so 0x0000000100297837 orte_pls_xgrid_finalize + 40
[bigmac:00949]  13 libopen-rte.0.dylib 0x000000010002d0f9 orte_pls_base_close + 249
[bigmac:00949]  14 libopen-rte.0.dylib 0x0000000100012027 orte_system_finalize + 119
[bigmac:00949]  15 libopen-rte.0.dylib 0x000000010000e968 orte_finalize + 40
[bigmac:00949]  16 mpirun 0x00000001000011ff orterun + 2042
[bigmac:00949]  17 mpirun 0x0000000100000a03 main + 27
[bigmac:00949]  18 mpirun 0x00000001000009e0 start + 52
[bigmac:00949]  19 ??? 0x0000000000000004 0x0 + 4
[bigmac:00949] *** End of error message ***
In the case of OpenMPI 1.4.2, I get even worse errors.
I do not know if this is an XGrid problem or a OMPI problem. But, it is definitely producing trouble.
Now some have suggested, having XGrid drive OpenMPI, but if XGRID_CONTROLLER_HOSTNAME is set, then how will OpenMPI not try to use XGrid as the launcher?
Any ideas as to how to fix this?
Computer Scientist, Detonation Sciences Branch
2400 E. Pilot Plant Rd.
China Lake, CA 93555-6107