From: Joachim Worringen <joachim@lfbs.rwth-aachen.de>
Newsgroups: comp.parallel.mpi
Subject: Re: Shared Memory tests on Sun
Date: Tue, 24 Nov 1998 13:39:54 +0100
Organization: Chair for Operating Systems, RWTH Aachen
Message-Id: <365AA91A.E4893E21@lfbs.rwth-aachen.de>
References: <365580FA.3D8CDF65@central.sun.com>
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Jim Langston wrote:
> 
> Hi all,
> 
> Has anyone written any test codes they can give up using a shared memory
> build of MPICH 1.1.x? The
> particular arch. I'm looking for is obviously Sun and Solaris ... the
> tests that are in ch_shmem are
> not running correctly.

Your error description is quite vague. However, all programs in the
examples directory run with ch_shmem. Make sure that the maximum size of
a shared memory segment is set high enough. This is done by adding a
line like

set shmsys:shminfo_shmmax=20000000

to /etc/system. 

  Joachim

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