On Thu, Feb 2, 2012 at 11:20 PM, Max Rudolph <rudolph at berkeley.edu> wrote:
> I am trying to track down a memory corruption bug using valgrind, but I am > having to wade through lots and lots of error messages similar to this one, > which I believe are either spurious or related to some problem in Petsc and > not in my code (please correct me if I'm wrong!) > Are you using ---download-mpich? It should be valgrind clean. These are a pain, but you can make a supressions file as well. Matt > ==18162== Conditional jump or move depends on uninitialised value(s) > ==18162== at 0x7258D73: MPIDI_CH3U_Handle_recv_req > (ch3u_handle_recv_req.c:99) > ==18162== by 0x724F2E1: MPIDI_CH3I_SMP_read_progress > (ch3_smp_progress.c:656) > ==18162== by 0x72462D4: MPIDI_CH3I_Progress (ch3_progress.c:185) > ==18162== by 0x72AC52B: MPIC_Wait (helper_fns.c:518) > ==18162== by 0x72AC314: MPIC_Sendrecv (helper_fns.c:163) > ==18162== by 0x7218E18: MPIR_Allgather_OSU (allgather_osu.c:524) > ==18162== by 0x7217099: PMPI_Allgather (allgather.c:840) > ==18162== by 0x649FFD: PetscLayoutSetUp (in > /work/01038/max/gk_0.1mm/gk_conv_50_vg/iso-convect-p) > ==18162== by 0x631C32: VecCreate_MPI_Private (in > /work/01038/max/gk_0.1mm/gk_conv_50_vg/iso-convect-p) > ==18162== by 0x63253E: VecCreate_MPI (in > /work/01038/max/gk_0.1mm/gk_conv_50_vg/iso-convect-p) > ==18162== by 0x5E3279: VecSetType (in > /work/01038/max/gk_0.1mm/gk_conv_50_vg/iso-convect-p) > ==18162== by 0x6329CC: VecCreate_Standard (in > /work/01038/max/gk_0.1mm/gk_conv_50_vg/iso-convect-p) > ==18162== by 0x5E3279: VecSetType (in > /work/01038/max/gk_0.1mm/gk_conv_50_vg/iso-convect-p) > ==18162== by 0x93BFE7: DMCreateGlobalVector_DA (in > /work/01038/max/gk_0.1mm/gk_conv_50_vg/iso-convect-p) > ==18162== by 0x8C7F68: DMCreateGlobalVector (in > /work/01038/max/gk_0.1mm/gk_conv_50_vg/iso-convect-p) > ==18162== by 0x93B6DA: VecDuplicate_MPI_DA (in > /work/01038/max/gk_0.1mm/gk_conv_50_vg/iso-convect-p) > ==18162== by 0x5CF419: VecDuplicate (in > /work/01038/max/gk_0.1mm/gk_conv_50_vg/iso-convect-p) > ==18162== by 0x438F04: initializeNodalFields (nodalFields.c:35) > ==18162== by 0x434730: main (main_isotropic_convection.c:123) > > The relevant line of code is: > 33: ierr = DMCreateGlobalVector(grid->da, &nodalFields->lastT); > CHKERRQ(ierr); > 34: ierr = PetscObjectSetName((PetscObject) nodalFields->lastT, > "lastT");CHKERRQ(ierr); > 35: ierr = VecDuplicate( nodalFields->lastT, > &nodalFields->thisT);CHKERRQ(ierr); > > I am using icc with petsc-3.2 on the Intel Westmere cluster at TACC. Petsc > was compiled with debugging enabled. Thanks for your help. > > Max -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120202/42c6bc0b/attachment.htm>
