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Subject: [OMPI users] writev error: Bad address
From: Ross Boylan (ross_at_[hidden])
Date: 2014-01-31 16:08:41

I am getting the following error, amidst many successful message sends:
[n10][[50048,1],1][../../../../../../ompi/mca/btl/tcp/btl_tcp_frag.c:118:mca_btl_tcp_frag_send] mca_btl_tcp_frag_send: writev error (0x7f6155970038, 578659815)
         Bad address(1)

Any ideas about what is going on or what I can do to fix it?

I am using the openmpi-bin 1.4.2-4 Debian package on a cluster running
Debian squeeze.

I couldn't find a config.log file; there is
/etc/openmpi/openmpi-mca-params.conf, which is completely commented out.

Invocation is from R 3.0.1 (debian package) with Rmpi 0.6.3 built by me
from source in a local directory. My sends all use mpi.isend.Robj and
the receives use mpi.recv.Robj, both from the Rmpi library.

The jobs were started with rmpilaunch; it and the hosts file are
included in the attachments. TCP connections. rmpilaunch leaves me in
an R session on the master. I invoked the code inside the toplevel()
function toward the bottom of dbox-master.R.

The program source files and other background information is in the
attached file. n10 has the output of |ompi_info --all, and n1011 has
other info for both nodes that were active (n10 was master; n11 had some