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Re: PETSc and lam



Greetings!  Good to hear you're working on this!

1. Did you 'lamboot'?
2. Did you check setup with 'recon' and 'tping'?

Take care,

Adam C Powell IV <hazelsct@mit.edu> writes:

> Greetings,
> 
> I just finished making PETSc build with lam (and use the alternatives system
> to switch between installed mpich and lam versions :-), and started running
> the test suite.  It's having some trouble: it's stuck in the first test with
> the CPU running at 90% system, 10% user.  The (Debian-modified) PETSc mpirun
> wrapper script runs with options:
> 
>      $lam_path/mpirun_lam -w -c $np -s n0 $progname -- $options
> 
> where $lam_path is /usr/bin and the other three args are inherited from the
> mpirun call.  (I think I attached the whole script a month or so ago.)
> 
> strace shows it infinite looping on:
> 
> socket(PF_UNIX, SOCK_STREAM, 0)         = 3
> connect(3, {sin_family=AF_UNIX, path="/tmp/lam-hazelsct@vaio-s"}, 26) = -1
> ECONNREFUSED (Connection refused)
> close(3)                                = 0
> 
> which is funny, since I can rsh to myself just fine.
> 
> Using mpich, it goes through the test suites just fine, but running with
> certain options I can get it to stall similarly (and am planning a bug
> report...).
> 
> Eray, which build/runtime options do you use to make PETSc work with lam?  The
> ones I include in bmake/linux/base.site?  Do you use the PETSc mpirun.lam, or
> just mpirun?
> 
> Thanks,
> 
> -Adam P.
> 
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> 
>              Welcome to the best software in the world today cafe!
> 
> 
> 
> 
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-- 
Camm Maguire			     			camm@enhanced.com
==========================================================================
"The earth is but one country, and mankind its citizens."  --  Baha'u'llah



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