[petsc-users] possible error

[Jed Brown]

On Wed, Mar 13, 2013 at 4:21 PM, Nachiket Gokhale <gokhalen at gmail.com>wrote:

> I am getting the error at the end of the email only in optimized mode.
> Output of -on_error_attach_debugger and "where"  is at the end of this
> email.  Running through valgrind in debug mode doesn't show up any
> memory misuse on my part.  Does this seem to be something in petsc?
>
>  -Nachiket
>
> 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: configure using --with-debugging=yes, recompile, link, and
> run
>

Is it says here, reconfigure --with-debugging=yes. The trace is not very
useful without line numbers. Also provide steps to reproduce.


> [0]PETSC ERROR: to get more information on the crash.
> [0]PETSC ERROR: User provided function() line 0 in unknown directory
> unknown file
> [0]PETSC ERROR: PETSC: Attaching gdb to
> /home/gokhale/WAIGEN/GDEB-WAIGEN2012/bin/waigen of pid 8458 on display
> :47.0 on machine asd1.wai.com
>
>
> #0  0x0000003caccaba50 in __nanosleep_nocancel () from /lib64/libc.so.6
> #1  0x0000003caccab8e0 in sleep () from /lib64/libc.so.6
> #2  0x00007f715f45f67f in PetscSleep ()
>    from
> /opt/petsc/petsc-hg/linux-gcc-gpp-mpich-mumps-complex/lib/libpetsc.so
> #3  0x00007f715f4982db in PetscAttachDebugger ()
>    from
> /opt/petsc/petsc-hg/linux-gcc-gpp-mpich-mumps-complex/lib/libpetsc.so
> #4  0x00007f715f49834b in PetscAttachDebuggerErrorHandler ()
>    from
> /opt/petsc/petsc-hg/linux-gcc-gpp-mpich-mumps-complex/lib/libpetsc.so
> #5  0x00007f715f498df8 in PetscError ()
>    from
> /opt/petsc/petsc-hg/linux-gcc-gpp-mpich-mumps-complex/lib/libpetsc.so
> #6  0x00007f715f49d67e in PetscSignalHandlerDefault ()
>    from
> /opt/petsc/petsc-hg/linux-gcc-gpp-mpich-mumps-complex/lib/libpetsc.so
> #7  0x00007f715f49d731 in PetscSignalHandler_Private(int) ()
>    from
> /opt/petsc/petsc-hg/linux-gcc-gpp-mpich-mumps-complex/lib/libpetsc.so
> #8  <signal handler called>
> #9  0x00007f715f8bbcdb in MatTranspose_SeqAIJ(_p_Mat*, MatReuse, _p_Mat**)
> ()
>    from
> /opt/petsc/petsc-hg/linux-gcc-gpp-mpich-mumps-complex/lib/libpetsc.so
> #10 0x00007f715f57f05c in MatTranspose ()
>    from
> /opt/petsc/petsc-hg/linux-gcc-gpp-mpich-mumps-complex/lib/libpetsc.so
> #11 0x000000000040ce03 in waigensolveepsnull(_p_Mat**, _p_Mat**,
> _p_Mat**, _p_Vec**, int*, int*, int*, int*, PetscBool) ()
> #12 0x000000000040275f in main ()
>
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