[mpich-discuss] Sockets not working? Can't be true!

[Alexander Supalov]

Thanks. Will report back once done.

5 июня 2018 г., в 17:36, Kenneth Raffenetti <raffenet at mcs.anl.gov>
написал(а):

Hi Alexander,

A fix for this was included in version 3.2.1. Let us know if you still see
an issue after updating.

Ken

On 05/23/2018 06:32 AM, Alexander Supalov wrote:

Hi everybody,
I made a funny observation using a simple ping-pong MPI program on my local
network setup. Intranode runs are OK. Internode runs hang over ch3:sock and
fail or hang over nemesis, depending on OS version. Standard ping works
fine internode on both sides, and so do my own socket-based programs. Any
idea what this might be?
Nemesis diagnostics under Ubuntu 16.04 LTS:
c -f mpi.hosts -n 2 $PWD/pingpong
Assertion failed in file src/mpid/ch3/channels/nemesis/netmod/tcp/socksm.c
at line 597: hdr.datalen != 0
internal ABORT - process 1
Host list:
192.168.178.31
192.168.178.32
Platform:
Intel, Ubuntu 16.04 LTS on one side, Ubuntu 14.04 LTS on the other,
MPICH-3.2 on both, 100-Mbit Ethernet in between.
Best regards.
Alexander
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