[gmx-users] Gromacs in Parallel

Andrew Paluch apaluch at nd.edu
Mon Aug 10 16:52:41 CEST 2009

To whom this may concern,

I am receiving the following errors when attempting to run Gromacs in

Making 1D domain decomposition 4 x 1 x 1
p2_21562:  p4_error: Timeout in establishing connection to remote process: 0
p2_21562: (302.964844) net_send: could not write to fd=5, errno = 32

where I am using mpich 1.2.7 for 64 bit processors.  From what I can find,
it seems as if this is a mpich issue and not an issue of Gromacs.  Has
anyone else encountered such a problem?  Also, does anyone have any
suggestions for a solution?

Thank you,

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