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Subject: Re: [OMPI devel] Hangs on the trunk
From: Nathan Hjelm (hjelmn_at_[hidden])
Date: 2014-07-14 16:44:06


Yeah. I think it is a problem I introduced. I am trying to track it down
now. Probably messed up one of the conversions in ob1.

-Nathan

On Mon, Jul 14, 2014 at 01:38:38PM -0700, Rolf vandeVaart wrote:
> I have noticed that I am seeing some tests hang on the trunk. For
> example:
>
>
>
> $ mpirun --mca btl_tcp_if_include eth0 --host
> drossetti-ivy0,drossetti-ivy1 -np 2 --mca pml ob1 --mca btl sm,tcp,self
> --mca coll_mdisable_allgather 1 --mca btl_openib_warn_default_gid_prefix 0
> send
>
>
>
> It is not unusual for this test to take several minutes, particularly on
> slow networks.
>
> Please be patient.
>
> NOTICE: Using max message size: 10485760
>
> Progress: [=====
>
>
>
> Is anyone else seeing this? (This is really a hang in spite of the
> message saying it should take a few minutes)
>
>
>
> This started with the changes Nathan did for renaming the descriptor
> fields - r32196 through r32202.
>
> From what I can tell, it looks like it hangs the second time the
> rendezvous protocol is used to send the data.
>
>
>
> Rolf
>
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