Date: Thu, 9 Aug 2012 17:29:18 +0200 From: Lukas Odzioba <lukas.odzioba@...il.com> To: john-dev@...ts.openwall.com Subject: Re: Current -fixes GPU formats vs TS 2012/8/6 magnum <john.magnum@...hmail.com>: > form=pwsafe-cuda guesses: 0 unk unk : Expected > count(s) (1485) [!!!FAILED!!!] > Self test failed (cmp_all(1)) > > ...pwsafe-cuda sometimes crack 90% of the hashes though: > > form=pwsafe-cuda guesses: 1375 time: 0:00:13:34 : > Expected count(s) (1500) [!!!FAILED!!!] I think that the root cause is somewhere near that: -when i do not use gpu for cuda for some time and then run -test -fo=pwsafe-cuda format fails self tests - just once, next run 1s later and I got pass on self test and later it passes too for some good time -when i run -test, format fails always I thought that it is caused by lack of cuda_init but even after adding it problem still remains. I tried to clean buffers at the init, check for allocation errors and similar often bugs but everything seems to be ok. I spent some time on it yesterday, I am able to reproduce this bug by running -test but it is not so trivial to get the idea what is wrong. Now I am trying to do step by step reproduction and probably this will help find the problem.
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