[petsc-users] segmentation error

siddhesh godbole siddhesh4godbole at gmail.com
Sun Jan 25 02:25:38 CST 2015


i received the following 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: --------------------- Error Message
[0]PETSC ERROR: Signal received
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
trouble shooting.
[0]PETSC ERROR: Petsc Release Version 3.5.2, Sep, 08, 2014
[0]PETSC ERROR: ./10D on a arch-linux2-c-debug named iitm by iitm Sun Jan
25 13:50:10 2015
[0]PETSC ERROR: Configure options --download-mpich
[0]PETSC ERROR: #1 User provided function() line 0 in  unknown file
application called MPI_Abort(MPI_COMM_WORLD, 59) - process 0
[unset]: aborting job:
application called MPI_Abort(MPI_COMM_WORLD, 59) - process 0

i dont get it, and this happens just by declaring two extra arrays! when i
delete them code runs just fine!  where arrays are with 10 elements and all
them are zero.

*Siddhesh M Godbole*

5th year Dual Degree,
Civil Eng & Applied Mech.
IIT Madras
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