Date: Mon, 2 Apr 2012 20:33:26 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: JtR: GPU for slow hashes On Mon, Apr 02, 2012 at 09:59:15PM +0530, Dhiru Kholia wrote: > On Mon, Apr 2, 2012 at 9:47 PM, SAYANTAN DATTA <std2048@...il.com> wrote: > > While running the benchmark I get the following error after a few seconds: > > ../../../thread/semaphore.cpp:87: sem_wait() failed > > aborted > > Are you using AMD APP SDK 2.6? This is a known issues with version > 2.6. Downgrade to 2.5 and try again. FWIW, as discussed in here before, downgrading did not help in my case, but setting OS_TIMER to 0 did. I think magnum has since set OS_TIMER to 0 in x86-64.h, but not in x86-sse.h. We need to change that to only set OS_TIMER to 0 when building with OpenCL support with AMD SDK specifically (since OS_TIMER 1 is preferable when we can have it), but to do it from both header files. Alexander
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