On Sat, May 3, 2008 at 2:50 PM, Barry Smith <[email protected]> wrote:

They may have changed things on Leopard.

I have had a problem like this before on Linux. It was a mismatch between the compiler and debugger. Google might have either a fix for this bug, or at least the compatible versions of gcc and gdb for Leopard. Matt

Barry

On May 3, 2008, at 2:00 AM, Satish Balay wrote:

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On Sat, 3 May 2008, Satish Balay wrote:

...

On Fri, 2 May 2008, Barry Smith wrote:

...

apple

Appears to work fine on 10.4 ppc machine - I have access to.

Also works on 10.4 Intel machine

Satish

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videh:~/petsc-dev/src/ksp/ksp/examples/tutorials balay$ ls $PETSC_DIR/$PETSC_ARCH/lib foo libpetsc.dylib libpetscdm.dylib libpetscmat.dylib libpetscts.dylib libmpiuni.a libpetsccontrib.dylib libpetscksp.dylib libpetscsnes.dylib libpetscvec.dylib videh:~/petsc-dev/src/ksp/ksp/examples/tutorials balay$ make ex2 gcc -o ex2.o -c -fPIC -Wall -Wwrite-strings -Wno-long-double -Wno-strict-aliasing -g3 -I/Users/balay/petsc-dev/src/dm/mesh/sieve -I/Users/balay/petsc-dev -I/Users/balay/petsc-dev/darwin8.11.1-c-debug/include -I/Users/balay/petsc-dev/include -I/Developer/SDKs/MacOSX10.4u.sdk/usr/X11R6/include -I/Users/balay/petsc-dev/include/mpiuni -D__SDIR__="src/ksp/ksp/examples/tutorials/" ex2.c gcc -Wl,-multiply_defined,suppress -Wl,-multiply_defined -Wl,suppress -fPIC -Wall -Wwrite-strings -Wno-long-double -Wno-strict-aliasing -g3 -o ex2 ex2.o -L/Users/balay/petsc-dev/darwin8.11.1-c-debug/lib -L/Users/balay/petsc-dev/darwin8.11.1-c-debug/lib -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetsc -L/usr/X11R6/lib -lX11 -L/Users/balay/petsc-dev/darwin8.11.1-c-debug/lib -L/Users/balay/petsc-dev/darwin8.11.1-c-debug/lib -lmpiuni -llapack -lblas /bin/rm -f ex2.o videh:~/petsc-dev/src/ksp/ksp/examples/tutorials balay$ gdb ex2 GNU gdb 6.3.50-20050815 (Apple version gdb-573) (Fri Oct 20 15:50:43 GMT

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Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-apple-darwin"...Reading symbols for shared libraries .......... done

(gdb) b MatMult Breakpoint 1 at 0x184cfe: file matrix.c, line 1687. (gdb) r Starting program: /Users/balay/petsc-dev/src/ksp/ksp/examples/tutorials/ex2 Reading symbols for shared libraries ..+.+++++ done Breakpoint 1 at 0x118cd0c: file matrix.c, line 1690.

Breakpoint 1, MatMult (mat=0x1808f30, x=0x180b930, y=0x180fb30) at matrix.c:1690 1690 PetscFunctionBegin; (gdb) where #0 MatMult (mat=0x1808f30, x=0x180b930, y=0x180fb30) at matrix.c:1690 #1 0x00002746 in main (argc=1, args=0xbffffae0) at ex2.c:141 (gdb) list 1685 @*/ 1686 PetscErrorCode PETSCMAT_DLLEXPORT MatMult(Mat mat,Vec x,Vec y) 1687 { 1688 PetscErrorCode ierr; 1689 1690 PetscFunctionBegin; 1691 PetscValidHeaderSpecific(mat,MAT_COOKIE,1); 1692 PetscValidType(mat,1); 1693 PetscValidHeaderSpecific(x,VEC_COOKIE,2); 1694 PetscValidHeaderSpecific(y,VEC_COOKIE,3); (gdb)

-- 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