[Trilinos-Users] errors build MPI tpetra CrsMatrix (David Hysom)

[Hoemmen, Mark]

On 9/4/14, 12:00 PM, "trilinos-users-request at software.sandia.gov"
<trilinos-users-request at software.sandia.gov> wrote:

>
>------------------------------
>
>Message: 2
>Date: Wed, 03 Sep 2014 14:23:52 -0700
>From: David Hysom <hysom1 at llnl.gov>
>To: "trilinos-users at software.sandia.gov"
>	<trilinos-users at software.sandia.gov>
>Subject: [Trilinos-Users] errors build MPI tpetra CrsMatrix
>Message-ID: <540786E8.3070807 at llnl.gov>
>Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
>
>I'm getting an error building a Tpetra::CrsMatrix;
>The attached is a slightly edited version of the code
>used to build the matrix.
>
>When I invoke our driver with a single processor,
>everything works fine. When I use two or more
>processors I get a traceback (using valgrind; see attached)
>That shows an error in the call to A->fillComplete();
>this subsequently shows a problem when makeColMap()
>is invoked.
>
>My debug output shows that the correct rows/columns are being
>inserted on the appropriate processors.
>
>Can you spot an error, or suggest ways of debugging
>to find out what's going on?

Hm, I've never seen _that_ before.  Would you mind rebuilding in debug
mode and running it again?  Set the CMake option
Teuchos_ENABLE_DEBUG:BOOL=ON, and make a DEBUG build.  That should turn on
some additional error checking.

mfh