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Date: Sun, 09 Mar 2014 20:53:16 +0100
From: magnum <>
Subject: Re: Re: Help - mpi ocl restore session

On 2014-03-09 20:40, Anthony Tanoury wrote:
>> There's a problem somewhere alright. Does a --test run with
>> wpapsk-opencl work OK? What is the output of "john --list=opencl-devices"?
>> Are you using OpenCL with CPUs only? In most cases, an OpenMP enabled
>> build (and just using the non-opencl formats) will be better, combining
>> MPI and OMP. You need to set MPIOMPmutex=N in john.conf for that.
>> magnum
> The john --test is ok on the individual computers, but not over ssh. Over ssh i get
> that same segment fault as soon as it hits an opencl format. All non opencl formats
> pass the .john --test over ssh.

Sounds like you don't have basic stuff like DISPLAY right. When you try 
with ssh, do this before running john:

$ export COMPUTE=:0

If this fixes your problem, you add it to mpirun like this:

$ mpirun -host(...) -x COMPUTE=:0 ./john (...)


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