[petsc-users] Vec is locked read only

[Abhyankar, Shrirang G.]

Use VecGetArrayRead instead of VecGetArray

http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Vec/VecGetArray
Read.html


Shri

-----Original Message-----
From: Rongliang Chen <rl.chen at siat.ac.cn>
Date: Saturday, April 2, 2016 at 3:51 AM
To: PETSc users list <petsc-users at mcs.anl.gov>, "rongliang.chan at gmail.com"
<rongliang.chan at gmail.com>
Subject: [petsc-users] Vec is locked read only

>Dear All,
>
>My code got the following error messages, but the code works well for
>the petsc optimized version (--with-debugging=0). Anyone can tell me how
>to fix this problem?
>
>Best regards,
>Rongliang
>
>
>[0]PETSC ERROR: --------------------- Error Message
>--------------------------------------------------------------
>[0]PETSC ERROR: Object is in wrong state
>[0]PETSC ERROR:  Vec is locked read only, argument # 1
>[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html
>for trouble shooting.
>[0]PETSC ERROR: Petsc Release Version 3.6.3, Dec, 03, 2015
>[0]PETSC ERROR: ./Nwtun on a 64bit-debug named rlchen by rlchen Sat Apr
>2 15:40:32 2016
>[0]PETSC ERROR: Configure options --download-blacs --download-scalapack
>--download-metis --download-parmetis --download-exodusii
>--download-netcdf --download-hdf5
>--with-mpi-dir=/home/rlchen/soft/Program/mpich2-shared
>--with-debugging=1 --download-fblaslapack --download-chaco
>[0]PETSC ERROR: #1 VecGetArray() line 1646 in
>/home/rlchen/soft/petsc-3.6.3/src/vec/vec/interface/rvector.c
>[0]PETSC ERROR: #2 DMLocalToGlobalBegin() line 1913 in
>/home/rlchen/soft/petsc-3.6.3/src/dm/interface/dm.c
>[0]PETSC ERROR: #3 FormMassTimeStepFunction() line 191 in
>/home/rlchen/soft/3D_fluid/FiniteVolumeMethod/PETScCodes/codefor3.6/SetupF
>unctions.c
>[0]PETSC ERROR: #4 FormFunction() line 46 in
>/home/rlchen/soft/3D_fluid/FiniteVolumeMethod/PETScCodes/codefor3.6/SetupF
>unctions.c
>[0]PETSC ERROR: #5 SNESComputeFunction() line 2067 in
>/home/rlchen/soft/petsc-3.6.3/src/snes/interface/snes.c
>[0]PETSC ERROR: #6 SNESSolve_NEWTONLS() line 184 in
>/home/rlchen/soft/petsc-3.6.3/src/snes/impls/ls/ls.c
>[0]PETSC ERROR: #7 SNESSolve() line 3906 in
>/home/rlchen/soft/petsc-3.6.3/src/snes/interface/snes.c
>[0]PETSC ERROR: #8 SolveTimeDependent() line 843 in
>/home/rlchen/soft/3D_fluid/FiniteVolumeMethod/PETScCodes/codefor3.6/Nwtun.
>c
>[0]PETSC ERROR: #9 main() line 452 in
>/home/rlchen/soft/3D_fluid/FiniteVolumeMethod/PETScCodes/codefor3.6/Nwtun.
>c
>
>