**
Hi, guys,
I tried to use parallel in my code, but got error. I traced my code and
found where the error is:
I defined vector using:
NumericVector < Number > &U11 = system.add_vector("U11");
and init it:
U11.init(system.n_dofs(), system.n_local_dofs());
After solve, I stored the solution in the vector:
U11 = *system.solution;
Then, in the following, I want to use the solution value in the vector:
a = U11(dof_indices[i]);
But I found that U11 only contains local dofs, when I want to access dofs
not stored in local, I got an error.
So where am I wrong?
Thank you for your help!
Error:
--------------------------------------------------------------------------
MPI_ABORT was invoked on rank 0 in communicator MPI COMMUNICATOR 3 DUP FROM 0
with errorcode 59.
NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.
You may or may not see output from other processes, depending on
exactly when Open MPI kills them.
--------------------------------------------------------------------------
[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/petsc-as/documentation/troubleshooting.html#Signal[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
[0]PETSC ERROR: to get more information on the crash.
[0]PETSC ERROR: --------------------- Error Message
------------------------------------
[0]PETSC ERROR: Signal received!
[0]PETSC ERROR:
------------------------------------------------------------------------
[0]PETSC ERROR: Petsc Release Version 3.1.0, Patch 5, Mon Sep 27
11:51:54 CDT 2010
[0]PETSC ERROR: See docs/changes/index.html for recent updates.
[0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
[0]PETSC ERROR: See docs/index.html for manual pages.
[0]PETSC ERROR:
------------------------------------------------------------------------
[0]PETSC ERROR: ./main-opt on a linux-gnu named ubuntu by cyw Sat Aug
25 18:40:36 2012
[0]PETSC ERROR: Libraries linked from
/build/buildd/petsc-3.1.dfsg/linux-gnu-c-opt/lib
[0]PETSC ERROR: Configure run at Mon Mar 7 18:34:33 2011
[0]PETSC ERROR: Configure options --with-shared --with-debugging=0
--useThreads 0 --with-clanguage=C++ --with-c-support
--with-fortran-interfaces=1 --with-mpi-dir=/usr/lib/openmpi
--with-mpi-shared=1 --with-blas-lib=-lblas --with-lapack-lib=-llapack
--with-blacs=1 --with-blacs-include=/usr/include
--with-blacs-lib="[/usr/lib/libblacsCinit-openmpi.so,/usr/lib/libblacs-openmpi.so]"
--with-scalapack=1 --with-scalapack-include=/usr/include
--with-scalapack-lib=/usr/lib/libscalapack-openmpi.so --with-mumps=1
--with-mumps-include=/usr/include
--with-mumps-lib="[/usr/lib/libdmumps.so,/usr/lib/libzmumps.so,/usr/lib/libsmumps.so,/usr/lib/libcmumps.so,/usr/lib/libmumps_common.so,/usr/lib/libpord.so]"
--with-umfpack=1 --with-umfpack-include=/usr/include/suitesparse
--with-umfpack-lib="[/usr/lib/libumfpack.so,/usr/lib/libamd.so]"
--with-spooles=1 --with-spooles-include=/usr/include/spooles
--with-spooles-lib=/usr/lib/libspooles.so --with-hypre=1
--with-hypre-dir=/usr --with-scotch=1
--with-scotch-include=/usr/include/scotch
--with-scotch-lib=/usr/lib/libscotch.so --with-hdf5=1
--with-hdf5-dir=/usr
[0]PETSC ERROR:
------------------------------------------------------------------------
[0]PETSC ERROR: User provided function() line 0 in unknown directory
unknown file
--------------------------------------------------------------------------
mpirun has exited due to process rank 0 with PID 2734 on
node ubuntu exiting without calling "finalize". This may
have caused other processes in the application to be
terminated by signals sent by mpirun (as reported here).
--------------------------------------------------------------------------
------------------------------
Cai Yuanwu 蔡园武
Dept. of Engineering Mechanics,
Dalian University of Technology,
Dalian 116024, China
------------------------------------------------------------------------------
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