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Date: Sun, 04 Mar 2012 02:47:03 +0100
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: CUDA & OpenCL status

On 03/04/2012 01:26 AM, Solar Designer wrote:
> That's much better speed (although I think hashcat would do more like
> 1800k c/s on this card), but it's also the only time I was able to get
> this test to pass.  Then it just kept failing:
> 
> user@...l:~/john/magnum-jumbo/src$ ../run/john -device=0 -te=1 -fo=phpass-opencl
> OpenCL Platforms: 1
> OpenCL Platform: <<<AMD Accelerated Parallel Processing>>> 2 device(s), using device: <<<Tahiti>>>
> Optimal Group work Size = 256
> Benchmarking: PHPASS-OPENCL [PORTABLE-MD5]... ../../../thread/semaphore.cpp:87: sem_wait() failed
> Aborted (core dumped)

This is a very common problem. Try using APP AMD 2.5 instead and I think
you'll get rid of it.

magnum

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