[petsc-users] error with PAMI (fwd)

Jed Brown jedbrown at mcs.anl.gov
Sat Jul 20 04:03:33 CDT 2013

Satish Balay <balay at mcs.anl.gov> writes:

> I am trying to run PETSc 3.3-p5 on a IBM Blue Gene/Q machine which
> features PAMI as MPI implementation 

PAMI is a library that sits underneath the MPI implementation.  PAMI
errors are most likely either memory corruption, otherwise a bug in the
lower level software.  If this error is reproducible, I would (a) try
Valgrind on a different machine, (b) try to reduce the circumstances for
the crash, and (c) report the issue to IBM.

> and the IBM xl compiler. I would like to solve a non-linear system but
> as soon as the function SNESSolve is called the code crashes and I get
> the following error message (MooseMBFlow is the executable):
> MooseMBFlow: /bgsys/source/srcV1R2M0.14091/comm/sys/buildtools/pami/common/bgq/Memregion.h:58: pami_result_t PAMI::Memregion::createMemregion_impl(size_t*, size_t, void*, uint64_t): Assertion `rc == 0' failed
> These lines are the only ones being printed therefore I cannot tell
> you much more about the error.  I know this is not directly related to
> PETSc but I wonder if anybody had already experienced such a problem,
> I did not get any real help from the user support of that machine.
> Thank you very much for your help.
> Best Regards,
> Giorgio Giangaspero
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