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Subject: Re: [OMPI users] Deadlock on large numbers of processors
From: Scott Atchley (atchley_at_[hidden])
Date: 2008-12-05 13:27:59


On Dec 5, 2008, at 12:22 PM, Justin wrote:

> Does OpenMPI have any known deadlocks that might be causing our
> deadlocks?

Known deadlocks, no. We are assisting a customer, however, with a
deadlock that occurs in IMB Alltoall (and some other IMB tests) when
using 128 hosts and the MX BTL. We have not yet determined if it is a
problem with MX, the MX BTL, or something else.

Scott