I just pulled petsc-dev and am getting the following error in the tests. John Running test examples to verify correct installation Using PETSC_DIR=/home/vchivukula/NumericalLibraries/petsc-dev and PETSC_ARCH=linux-intel Possible error running C/C++ src/snes/examples/tutorials/ex19 with 1 MPI process See http://www.mcs.anl.gov/petsc/documentation/faq.html lid velocity = 0.0016, prandtl # = 1, grashof # = 1 [0]PETSC ERROR: ------------------------------------------------------------------------ [0]PETSC ERROR: Caught signal number 11 SEGV: Segmentation Violation, probably memory access out of range [0]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger [0]PETSC ERROR: or see http://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind[0]PETSC ERROR: or try http://valgrind.org on GNU/linux and Apple Mac OS X to find memory corruption errors [0]PETSC ERROR: likely location of problem given in stack below [0]PETSC ERROR: --------------------- Stack Frames ------------------------------------ [0]PETSC ERROR: Note: The EXACT line numbers in the stack are not available, [0]PETSC ERROR: INSTEAD the line number of the start of the function [0]PETSC ERROR: is given. [0]PETSC ERROR: [0] PetscSectionCreateGlobalSection line 440 src/vec/vec/impls/seq/vsection.c [0]PETSC ERROR: [0] DMGetDefaultGlobalSection line 2624 src/dm/interface/dm.c [0]PETSC ERROR: [0] DMGetDefaultSF line 2656 src/dm/interface/dm.c [0]PETSC ERROR: [0] DMGlobalToLocalBegin line 1012 src/dm/interface/dm.c [0]PETSC ERROR: [0] DMDAFunction line 177 src/dm/impls/da/da2.c [0]PETSC ERROR: [0] DM user function line 0 unknownunknown [0]PETSC ERROR: [0] DMComputeFunction line 1896 src/dm/interface/dm.c [0]PETSC ERROR: [0] SNESDefaultComputeFunction_DMLegacy line 379 src/snes/utils/dmsnes.c [0]PETSC ERROR: [0] SNES user function line 0 unknownunknown [0]PETSC ERROR: [0] SNESComputeFunction line 1821 src/snes/interface/snes.c [0]PETSC ERROR: [0] SNESSolve_LS line 143 src/snes/impls/ls/ls.c [0]PETSC ERROR: [0] SNESSolve line 3395 src/snes/interface/snes.c