[Trilinos-Users] Problems with Insert

John R. Cary cary at colorado.edu
Wed Apr 1 18:37:32 MDT 2009


No doubt this is a problem with my code, but looking for ideas
on how to debug.

I have narrowed down a crash when using trilinos to being inside
a call to Epetra_DistObject::Import,
which I am trying to use to get my vector back out of trilinos.  The crash
traceback is shown below.  The call in the source is

   resultGuardPtr->Import(*rowEpVecPtr, *guardImporterPtr, Insert);

where elsewhere I have

  resultGuardPtr = new Epetra_Vector(*guardMapPtr);
  ...
  rowEpVecPtr = new Epetra_Vector(*epRowMapPtr);
  ...
  guardImporterPtr = new Epetra_Import(*guardMapPtr, *epRowMapPtr);


not necessarily in that order.  Given the crash below, how do I
go about debugging without going into the trilinos code?  Are
there preconditions for the call to Import that I can test on?

Thanks......John Cary
 

 





../../vpmultif/VpEpetraUpdater.cpp, line 1132, adiemfld_psolvx, case 
SOLVE, fillReadVector returned on rank 0.
../../vpmultif/VpEpetraUpdater.cpp, line 1661, adiemfld_psolvx, is 
calling Iterate from rank 0.
../../vpmultif/VpEpetraUpdater.cpp, line 1675, adiemfld_psolvx, Iterate 
returned on rank 0.
../../vpmultif/VpEpetraUpdater.cpp, line 1172, adiemfld_psolvx, 
updateVectors returned on rank 0.
../../vpmultif/VpEpetraUpdater.cpp, line 1222, adiemfld_psolvx, case 
SOLVE , calling Import on rank 0.
[octet:11150] *** Process received signal ***
[octet:11149] *** Process received signal ***
[octet:11150] Signal: Segmentation fault (11)
[octet:11150] Signal code: Address not mapped (1)
[octet:11150] Failing at address: (nil)
[octet:11149] Signal: Segmentation fault (11)
[octet:11149] Signal code: Address not mapped (1)
[octet:11149] Failing at address: 0x58
[octet:11149] [ 0] /lib64/libpthread.so.0 [0x35cb40ed30]
[octet:11149] [ 1] 
/home/research/cary/projects/vorpal-periodicEpetra-r12005/parallel/vorpal/vorpal(_ZN21Epetra_MpiDistributor2DoEPciRiRS0_+0x26) 
[0x336b84e]
[octet:11149] [ 2] 
/home/research/cary/projects/vorpal-periodicEpetra-r12005/parallel/vorpal/vorpal(_ZN17Epetra_DistObject10DoTransferERK20Epetra_SrcDistObject18Epetra_CombineModeiiiiPiS4_S4_S4_RiRPcS5_S7_R18Epetra_DistributorbPK18Epetra_OffsetIndex+0x6a3) 
[0x330135f]
[octet:11149] [ 3] 
/home/research/cary/projects/vorpal-periodicEpetra-r12005/parallel/vorpal/vorpal(_ZN17Epetra_DistObject6ImportERK20Epetra_SrcDistObjectRK13Epetra_Import18Epetra_CombineModePK18Epetra_OffsetIndex+0x31a) 
[0x3302414]
[octet:11149] [ 4] 
/home/research/cary/projects/vorpal-periodicEpetra-r12005/parallel/vorpal/vorpal(_ZN15VpEpetraUpdaterIdLm2EE10mainUpdateEd+0xa7b) 
[0x26681eb]
[octet:11149] [ 5] 
/home/research/cary/projects/vorpal-periodicEpetra-r12005/parallel/vorpal/vorpal(_ZN8VpDynObjIdLm2EE6updateEd+0x1d0) 
[0x2846fc0]
[octet:11149] [ 6] 
/home/research/cary/projects/vorpal-periodicEpetra-r12005/parallel/vorpal/vorpal(_ZN17VpFieldUpdateStepIdLm2EE6updateEd+0xa4) 
[0x27b8064]
[octet:11149] [ 7] 
/home/research/cary/projects/vorpal-periodicEpetra-r12005/parallel/vorpal/vorpal(_ZN12VpMultiFieldIdLm2EE6updateEd+0x7c) 
[0x236e34c]
[octet:11149] [ 8] 
/home/research/cary/projects/vorpal-periodicEpetra-r12005/parallel/vorpal/vorpal(_ZN8VpDomainIdLm2EE6updateEd+0x1253) 
[0xf065c3]
[octet:11149] [ 9] 
/home/research/cary/projects/vorpal-periodicEpetra-r12005/parallel/vorpal/vorpal(main+0x1b74) 
[0xebd4d4]
[octet:11149] [10] /lib64/libc.so.6(__libc_start_main+0xfa) [0x35ca81e32a]
[octet:11149] [11] 
/home/research/cary/projects/vorpal-periodicEpetra-r12005/parallel/vorpal/vorpal(_ZN14TxAttributeSet9parseLineERKSs+0x169) 
[0xeb8ae9]




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