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Subject: Re: [MTT users] NetPIPE timeouts
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2008-02-29 10:25:04


On Feb 27, 2008, at 2:19 PM, Ethan Mallove wrote:

> We were seeing NetPIPE runs timing around 45sec the other
> day, so I set the timeout value to -1 (which is infinity),
> and last night a v1.2 NetPIPE run took 3 hrs!

Yoinks!

> It looks like
> the test got stuck:
>
> 0: burl-ct-v440-2
> 1: burl-ct-v440-2
> 2: burl-ct-v440-2
> 3: burl-ct-v440-2
> Now starting the main loop
> 0: 1 bytes 5 times --> 0.49 Mbps in 15.59 usec

You might want to run this by hand and see what's going on. Don did
make some udapl btl changes recently.

> The other bizarre thing is that NetPIPE now passes with the
> infinite timeout, but seems to take the *same* duration as
> the timed out runs:
>
> http://www.open-mpi.org/mtt/index.php?do_redir=539
>
> (I was expecting NetPIPE to take *longer* than 45sec.)
>
> Any ideas why this would be?

Not offhand, no. I'd run them by hand and see what's going on...

-- 
Jeff Squyres
Cisco Systems