<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=GB2312">
</head>
<body bgcolor="#FFFFFF" text="#000000">
Dear All, <br>
I hope you're having a nice day. <br>
I'm trying to use BDDC as a preconditioner. The executable
command is:<br>
<i>mpiexec -np 8 ./ex45 -pc_type bddc -ksp_type cg -ksp_rtol
1.0e-7 -log_summary</i><i><br>
</i><i> </i>However, it say:<br>
<i>[</i><small><i>0]PETSC ERROR: --------------------- Error Message
------------------------------------</i><i><br>
</i><i>[0]PETSC ERROR: Unknown type. Check for miss-spelling or
missing external package needed for type:</i><i><br>
</i><i>see
<a class="moz-txt-link-freetext" href="http://www.mcs.anl.gov/petsc/documentation/installation.html#external">http://www.mcs.anl.gov/petsc/documentation/installation.html#external</a>!</i><i><br>
</i><i>[0]PETSC ERROR: Unable to find requested PC type bddc!</i><i><br>
</i><i>[0]PETSC ERROR:
------------------------------------------------------------------------</i><i><br>
</i><i>[0]PETSC ERROR: Petsc Development GIT revision:
05acd661167488e2bf402ce2590acc1e0469ea17 GIT Date: 2013-04-15
22:45:57 -0500</i><i><br>
</i><i>[0]PETSC ERROR: See docs/changes/index.html for recent
updates.</i><i><br>
</i><i>[0]PETSC ERROR: See docs/faq.html for hints about trouble
shooting.</i><i><br>
</i><i>[0]PETSC ERROR: See docs/index.html for manual pages.</i><i><br>
</i><i>[0]PETSC ERROR:
------------------------------------------------------------------------</i><i><br>
</i><i>[0]PETSC ERROR: ./ex45 on a linux-gnu-c-nodebug named m005
by zlwei Wed Jun 12 14:39:42 2013</i><i><br>
</i><i>[0]PETSC ERROR: Libraries linked from
/bio/work1/zlwei/PETSc/petsc-dev/linux-gnu-c-nodebug/lib</i><i><br>
</i><i>[0]PETSC ERROR: Configure run at Tue Apr 16 11:59:49 2013</i><i><br>
</i><i>[0]PETSC ERROR: Configure options --download-f-blas-lapack
--download-hypre --download-mpich --with-cc=gcc
--with-debugging=no --with-fc=gfortran
PETSC_ARCH=linux-gnu-c-nodebug</i><i><br>
</i><i>[0]PETSC ERROR:
------------------------------------------------------------------------</i><i><br>
</i><i>[0]PETSC ERROR: PCSetType() line 68 in
/bio/work1/zlwei/PETSc/petsc-dev/src/ksp/pc/interface/pcset.c</i><i><br>
</i><i>[0]PETSC ERROR: PCSetFromOptions() line 163 in
/bio/work1/zlwei/PETSc/petsc-dev/src/ksp/pc/interface/pcset.c</i><i><br>
</i><i>[0]PETSC ERROR: KSPSetFromOptions() line 357 in
/bio/work1/zlwei/PETSc/petsc-dev/src/ksp/ksp/interface/itcl.c</i><i><br>
</i><i>[0]PETSC ERROR: main() line 135 in
src/ksp/ksp/examples/tutorials/ex45.c</i><i><br>
</i><i>application called MPI_Abort(MPI_COMM_WORLD, 86) - process
0</i><i><br>
</i><i>[cli_0]: aborting job:</i><i><br>
</i><i>application called MPI_Abort(MPI_COMM_WORLD, 86) - process
0</i></small><br>
What should I do for this?<br>
<br>
thanks,<br>
Alan<br>
</body>
</html>