Scyld Nodes Freezing w/ SMP (fwd)

[Nicholas Henke]

On Fri, 2003-11-14 at 11:19, Jim Phillips wrote:
> On Fri, 14 Nov 2003, Nicholas Henke wrote:
> 
> > On Fri, 2003-11-14 at 10:58, Jim Phillips wrote:
> > > Hi,
> > >
> > > This is very similar to problems we're seeing on our dual Athlon MP 2600+
> > > cluster with Gigabyte GA-7DPXDW+ motherboards, Intel PRO/1000 MT Server
> > > network cards, and Clustermatic 3 (on Red Hat 8).  No solution, though.
> >
> > Does it work when using Lam/MPI ?
> 
> I don't know.  We run (and write) NAMD using direct TCP sockets.  Is Lam
> bproc-compatible now?  Do you have some theory that the sockets code is
> somehow responsible (other than simply stressing the machine)?

The 7.X tree of lam is bproc 'aware', and as far as why I would try it
-- just another datapoint. It may help to isolate what exactly is
causing the hangs.

Nic
-- 
Nicholas Henke
Penguin Herder & Linux Cluster System Programmer
Liniac Project - Univ. of Pennsylvania

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