==46544== Invalid read of size 8
==46544==    at 0x5103326: PetscCheckPointer (checkptr.c:81)
==46544==    by 0x4F42058: PetscCommGetNewTag (tagm.c:77)
==46544==    by 0x4FC952D: PetscCommBuildTwoSidedFReq_Ibarrier (mpits.c:373)
==46544==    by 0x4FCB29B: PetscCommBuildTwoSidedFReq (mpits.c:572)
==46544==    by 0x52BBFF4: VecAssemblyBegin_MPI_BTS (pbvec.c:251)
==46544==    by 0x52D6B42: VecAssemblyBegin (vector.c:140)
==46544==    by 0x5328C97: VecLoad_Binary (vecio.c:141)
==46544==    by 0x5329051: VecLoad_Default (vecio.c:516)
==46544==    by 0x52E0BAB: VecLoad (vector.c:933)
==46544==    by 0x4013D5: main (solveCmplxLinearSys.cpp:31)
==46544==  Address 0x37f30f8c is 12 bytes inside a block of size 16 alloc'd
==46544==    at 0x4C2A603: memalign (vg_replace_malloc.c:899)
==46544==    by 0x4FD0B0E: PetscMallocAlign (mal.c:41)
==46544==    by 0x4FD23E7: PetscMallocA (mal.c:397)
==46544==    by 0x4FC948E: PetscCommBuildTwoSidedFReq_Ibarrier (mpits.c:371)
==46544==    by 0x4FCB29B: PetscCommBuildTwoSidedFReq (mpits.c:572)
==46544==    by 0x52BBFF4: VecAssemblyBegin_MPI_BTS (pbvec.c:251)
==46544==    by 0x52D6B42: VecAssemblyBegin (vector.c:140)
==46544==    by 0x5328C97: VecLoad_Binary (vecio.c:141)
==46544==    by 0x5329051: VecLoad_Default (vecio.c:516)
==46544==    by 0x52E0BAB: VecLoad (vector.c:933)
==46544==    by 0x4013D5: main (solveCmplxLinearSys.cpp:31)
==46544== 
==46544== 
==46544== Process terminating with default action of signal 7 (SIGBUS): dumping core
==46544==  Non-existent physical address at address 0x70DB1D4
==46544==    at 0x4009A13: do_lookup_x (in /usr/lib64/ld-2.17.so)
==46544==    by 0x4009CAE: _dl_lookup_symbol_x (in /usr/lib64/ld-2.17.so)
==46544==    by 0x400E5B5: _dl_fixup (in /usr/lib64/ld-2.17.so)
==46544==    by 0x40150BF: _dl_runtime_resolve (in /usr/lib64/ld-2.17.so)
==46544==    by 0x50FF91F: PetscErrorPrintfHilight (errtrace.c:125)
==46544==    by 0x50FFB5A: PetscTraceBackErrorHandler (errtrace.c:190)
==46544==    by 0x50FAADA: PetscError (err.c:366)
==46544==    by 0x5101E4D: PetscSignalHandlerDefault (signal.c:152)
==46544==    by 0x5101707: PetscSignalHandler_Private (signal.c:43)
==46544==    by 0x9CB324F: ??? (in /usr/lib64/libc-2.17.so)
==46544==    by 0x7695DC0: libmetis__FM_2WayNodeRefine1Sided (sfm.c:294)
==46544==    by 0x7697EC3: libmetis__Refine2WayNode (srefine.c:49)
==46544==    by 0x768B117: libmetis__MlevelNodeBisectionL2 (ometis.c:387)
==46544==    by 0x768AE36: libmetis__MlevelNodeBisectionMultiple (ometis.c:317)
==46544==    by 0x768A8C0: libmetis__MlevelNestedDissection (ometis.c:192)
==46544==    by 0x768AA6C: libmetis__MlevelNestedDissection (ometis.c:220)
==46544==    by 0x768AA07: libmetis__MlevelNestedDissection (ometis.c:214)
==46544==    by 0x768A592: METIS_NodeND (ometis.c:129)
==46544==    by 0x70E3C53: get_metis (get_perm_c.c:90)
==46544==    by 0x70E541E: get_perm_c_dist (get_perm_c.c:526)