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From: Ken Brown <kbrown AT cornell DOT edu>
To: "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
CC: Satish Balay <balay AT fastmail DOT fm>
Subject: Re: openmpi warning "unable to open debugger attach fifo"
Date: Mon, 27 Jan 2020 18:49:35 +0000
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References: <alpine DOT LFD DOT 2 DOT 21 DOT 2001271037420 DOT 2187 AT sb>
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On 1/27/2020 11:41 AM, Satish Balay wrote:
> Hi,
> 
> On using openmpi from cygwin - I'm getting the following warning. Any idea how to avoid this?
> 
>>>>>>>
> balay AT ps5 ~
> $ /usr/bin/mpiexec -n 1 hostname
> ps5
> [ps5:00491] [[23611,0],0] unable to open debugger attach fifo

The attempt to open a FIFO in the source file orte/orted/orted_submit.c:2862 is 
failing due to a Cygwin bug.  I think I see how to fix it.  Stay tuned.

Ken

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