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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 21:28:48 +0000
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On 1/27/2020 1:49 PM, Ken Brown wrote:
> 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.

Sorry, I spoke too soon and was misinterpreting some code I was reading.  I 
don't see a Cygwin bug after all.  Moreover, if I run your command under gdb, I 
don't get an error.

Ken

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