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Date: Sun, 9 Mar 2014 19:55:28 -0700 (PDT)
From: Anthony Tanoury <tanoury@...oo.com>
To: john-users@...ts.openwall.com
Subject: Re: Re: Help - mpi ocl restore session

> 
> --------------------------------------------
> On Sun, 3/9/14, magnum <john.magnum@...hmail.com> wrote:
> 
>  Subject: Re: [john-users] Re: Help - mpi ocl restore session
>  To: john-users@...ts.openwall.com
>  Date: Sunday, March 9, 2014, 3:53 PM
>  
>  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 (...)
>  
>  
>  magnum

Thanks magnum. That fixed the ssh segment faults! I can now run john opencl sessions over ssh!

I still have the restore problem though. I'll have more details tomrrow.


 
 

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