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Date: Thu, 3 Jan 2013 19:35:52 +0100
From: magnum <>
Subject: Re: opencl_nsldaps - Error creating page-locked memory

On 3 Jan, 2013, at 19:27 , Lukas Odzioba <> wrote:
> I am getting this from my 5850, on i7-3770K  works fine:
> OpenCL platform 0: AMD Accelerated Parallel Processing, 2 device(s).
> Using device 0: Cypress
> Build log: LOOP UNROLL: pragma unroll (line 68)
>    Unrolled as requested!
> OpenCL error (CL_INVALID_BUFFER_SIZE) in file (opencl_nsldaps_fmt.c)
> at line (101) - (Error creating page-locked memory)
> 5850 should have DRMDMA support in contrast to 4xxx series.

Probably lack of device tuning and trying to allocate too much memory. Try this (or even lower):

$ GWS=$((1024*1024)) ./john -t -fo:ssha-opencl

If that works, we just need to throw in some heuristics.


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