[petsc-users] Segfault in DMPlexCreateSectionF90

Dharmendar Reddy dharmareddy84 at gmail.com
Tue Apr 16 03:36:46 CDT 2013


Hello,
          I used the DMPlexCreateSection with Fortran pointers instead of
allocatable arrays, the code goes past the error in previous error but now
i get error about the BcPoints IS . Now i printed all the in put data
before passing to the DMPlexCreateSection, the IS is in a valid state.
However, i get a error realted to IS. am i doing something wrong here ?

This is the data i pass to the DMPlexCreateSection. Data printed from code
before calling the createsection. You can see that the number of boundary
conditions is 2, i have allocated the BcPoints array with index lower bound
0 and upper bound 1. Calling ISgetLocalSize and ISView gives no error.

 dim           1
 numField           1
 numComp pointer           1
 cell DofMap pointer           1           0
 num BC           2
 bcField           0           0
 Check BCPoints Index set for BcPointsIS[           0 ]
 Number of local points           1
Number of indices in set 1
0 1
 -----------end IS View----------
 Check BCPoints Index set for BcPointsIS[           1 ]
 Number of local points           1
Number of indices in set 1
0 12
 -----------end IS View----------

But the call do ISViewGetLocalSize inside the DMPlexCreateSection is saying
object is in wrong state...

[0]PETSC ERROR: --------------------- Error Message
------------------------------------
[0]PETSC ERROR: Invalid argument!
[0]PETSC ERROR: Wrong type of object: Parameter # 1!
[0]PETSC ERROR:
------------------------------------------------------------------------
[0]PETSC ERROR: Petsc Development GIT revision:
b6da085e934eddcf71be97425c4be8a7ff05e85d
GIT Date: 2013-04-15 22:47:22 -0500
[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: ./PoisTest on a mpi_rScalar_Debug named
login3.stampede.tacc.utexas.edu by
 Reddy135 Tue Apr 16 03:29:09 2013
[0]PETSC ERROR: Libraries linked from
/home1/00924/Reddy135/LocalApps/petsc/mpi_rScalar_De
bug/lib
[0]PETSC ERROR: Configure run at Tue Apr 16 01:38:29 2013
[0]PETSC ERROR: Configure options   --download-blacs=1 --download-ctetgen=1
--download-met
is=1 --download-mumps=1 --download-parmetis=1 --download-scalapack=1
--download-superlu_di
st=1 --download-triangle=1 --download-umfpack=1
--with-blas-lapack-dir=/opt/apps/intel/13/
composer_xe_2013.2.146/mkl/lib/intel64/ --with-debugging=1
--with-mpi-dir=/opt/apps/intel1
3/mvapich2/1.9/ --with-petsc-arch=mpi_rScalar_Debug
--with-petsc-dir=/home1/00924/Reddy135
/LocalApps/petsc PETSC_ARCH=mpi_rScalar_Debug
[0]PETSC ERROR:
------------------------------------------------------------------------
[0]PETSC ERROR: ISGetLocalSize() line 322 in
/home1/00924/Reddy135/LocalApps/petsc/src/vec
/is/is/interface/index.c
[0]PETSC ERROR: DMPlexCreateSectionBCDof() line 5937 in
/home1/00924/Reddy135/LocalApps/pe
tsc/src/dm/impls/plex/plex.c
[0]PETSC ERROR: DMPlexCreateSection() line 6149 in
/home1/00924/Reddy135/LocalApps/petsc/s
rc/dm/impls/plex/plex.c


On Tue, Apr 16, 2013 at 2:52 AM, Dharmendar Reddy
<dharmareddy84 at gmail.com>wrote:

> Hello,
>          I am getting a segfault in DMPlexcreateSectionF90 ...I am not
> sure if the problem is in parameters i pass or it is coming from
> petsc...can you help me fix this ?
> Here is the output from debugger:
> I print the variables passed to function before call and they seem
> consistent with the format required by the DMPlexCreateSectionF90 call...
>
> Breakpoint 1.1, FEMLIB_M::setupdefualtsection_dofmap (this=0x2781e28) at
> /home1/00924/R
> eddy135/projects/utgds/src/fem/VariationalProblemBoundProcedures.F90:197
> 197       call DMPlexCreateSectionF90(this%mdata%Meshdm,this%tdim,
> this%numField, &
> (idb) s
> 198            this%numComp,this%cellDofMap, this%numBC, this%bcFieldId,  &
> (idb) s
> 199            this%bcPointIS,section,ierr)
> (idb) print this%tdim
> $25 = 1
> (idb) print this%numField
> $26 = 1
> (idb) print this%numcomp
> $27 = 1
> (idb) print this%cellDofMap
> $28 = {1, 0}
> (idb) print this%numBC
> $29 = 2
> (idb) c
> Continuing.
>
> Breakpoint 1.2, FEMLIB_M::setupdefualtsection_dofmap (this=0x2781e28) at
> /home1/00924/R
> eddy135/projects/utgds/src/fem/VariationalProblemBoundProcedures.F90:197
> 197       call DMPlexCreateSectionF90(this%mdata%Meshdm,this%tdim,
> this%numField, &
> (idb) c
> Continuing.
>
> Breakpoint 1.3, FEMLIB_M::setupdefualtsection_dofmap (this=0x2781e28) at
> /home1/00924/R
> eddy135/projects/utgds/src/fem/VariationalProblemBoundProcedures.F90:197
> 197       call DMPlexCreateSectionF90(this%mdata%Meshdm,this%tdim,
> this%numField, &
> (idb) c
> Continuing.
>
> Now i see a segfault in inside the petsc call
>
> Program received signal SIGSEGV
> DMPlexCreateSectionInitial (dm=0x281cfa0, dim=1, numFields=1,
> numComp=0x43ce7cf20000000
> 1, numDof=0x1, section=0x7fffa07c8d28) at
> /home1/00924/Reddy135/LocalApps/petsc/src/dm/
> impls/plex/plex.c:5892
> 5892        for (f = 0; f < numFields; ++f) numDofTot[d] +=
> numDof[f*(dim+1)+d];
>
> why is the adress of numDof 0x1 ? some thing wrong in the FortranAddress
> conversion code in zplexf90 ?
>
> here is the backtrace
>
> #0  0x00002b79e6cec09a in DMPlexCreateSectionInitial (dm=0x281cfa0, dim=1,
> numFields=1,
>  numComp=0x43ce7cf200000001, numDof=0x1, section=0x7fffa07c8d28) at
> /home1/00924/Reddy1
> 35/LocalApps/petsc/src/dm/impls/plex/plex.c:5892
> #1  0x00002b79e6cf1038 in DMPlexCreateSection (dm=0x281cfa0, dim=1,
> numFields=1, numCom
> p=0x43ce7cf200000001, numDof=0x1, numBC=2, bcField=0xc420000000000000,
> bcPoints=0xc4200
> 00002a66e21, section=0x7fffa07c8d28) at
> /home1/00924/Reddy135/LocalApps/petsc/src/dm/im
> pls/plex/plex.c:6148
> #2  0x00002b79e6d9e571 in dmplexcreatesectionf90_ (dm=0x259bda8,
> dim=0x2781e8c, numFiel
> ds=0x2781e90, ptrC=0x25ed9e0, ptrD=0x28adf00, numBC=0x27820a0,
> ptrF=0x25eda00, ptrP=0x2
> 878900, section=0x7fffa07c8d28, __ierr=0x7fffa07c8c98) at
> /home1/00924/Reddy135/LocalAp
> ps/petsc/src/dm/impls/plex/f90-custom/zplexf90.c:221
>
> --
> -----------------------------------------------------
> Dharmendar Reddy Palle
> Graduate Student
> Microelectronics Research center,
> University of Texas at Austin,
> 10100 Burnet Road, Bldg. 160
> MER 2.608F, TX 78758-4445
> e-mail: dharmareddy84 at gmail.com
> Phone: +1-512-350-9082
> United States of America.
> Homepage: https://webspace.utexas.edu/~dpr342
>



-- 
-----------------------------------------------------
Dharmendar Reddy Palle
Graduate Student
Microelectronics Research center,
University of Texas at Austin,
10100 Burnet Road, Bldg. 160
MER 2.608F, TX 78758-4445
e-mail: dharmareddy84 at gmail.com
Phone: +1-512-350-9082
United States of America.
Homepage: https://webspace.utexas.edu/~dpr342
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