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[ESPResSo-devel] Open MPI


From: Kai Grass
Subject: [ESPResSo-devel] Open MPI
Date: Mon, 2 Jul 2007 19:00:53 -0400

Hi,

I just tried to compile and run Espresso using Open MPI 1.2.3 (to get around LAM/MPI and the annoying fact, that you have to run lamboot all the time). Alas, the testsuite fails with a number of tests if running on more than 1 node:

harm.tcl
fene.tcl
intpbc.tcl
intppbc.tcl
layered.tcl 
...

The error message is pretty generic:

Testcase harm.tcl failed for 2 nodes with error Error occured: error waiting for process to exit: child process lost (is SIGCHLD ignored or trapped?).

The last lines of comm_debug for any of the failed tests look similar to:

1: processing SET_BOND 0...
1: finished SET_BOND 0 598
1: processing GET_ERRS -1...
1: finished GET_ERRS -1 0
1: processing SET_BOND 0...
1: finished SET_BOND 0 599
1: processing GET_ERRS -1...
1: finished GET_ERRS -1 0
1: processing SET_BOND 0...
1: finished SET_BOND 0 599
1: processing GET_ERRS -1...
1: finished GET_ERRS -1 0
1: processing GET_ERRS -1...
1: finished GET_ERRS -1 0
0: issuing TERM(0), assigned to node -1
1: processing TERM -1...
1: exiting


Any ideas?

Kai

PS: This is on a Intel Mac using GCC 4.2 using the current CVS version of Espresso.
--
Dipl. Phys. Kai Grass
(current coordinates)
Department of Physics
University of Ottawa
150 Louis-Pasteur
Ottawa, Ontario K1N 6N5
Canada

phone: +1 613 562 5800 x6937
fax:   +1 613 562 5190
--
Frankfurt Institute for Advanced Studies (FIAS)
Max-von-Laue-Strasse 1
60438 Frankfurt am Main
Germany

phone: +49 69 798 47533
fax:   +49 69 798 47611



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