Date: Sat, 15 Aug 2015 22:07:26 +0800 From: Kai Zhao <loverszhao@...il.com> To: john-dev@...ts.openwall.com Subject: Re: --test-full=0 crashes the Bitcoin format On Sat, Aug 15, 2015 at 10:00 PM, Solar Designer <solar@...nwall.com> wrote: > On Sat, Aug 15, 2015 at 09:44:54PM +0800, Kai Zhao wrote: >> However, when I "set export GOMP_CPU_AFFINITY=0-31" on my laptop which >> I did on the super, the john reports error. >> >> $ rm -f ../john.pot && ../john pwfile --format=bitcoin >> --skip-self-test --wordlist=pwd.lst >> Using default input encoding: UTF-8 >> Loaded 1 password hash (Bitcoin [SHA512 AES 256/256 AVX2 4x]) >> Will run 32 OpenMP threads >> Press 'q' or Ctrl-C to abort, almost any other key for status >> libgomp: Thread creation failed: Invalid argument > > Of course, you can't set affinity to non-existent logical CPUs. > > Oh, I notice another detail: you have AVX2, and in super we only have > AVX. It is possible that the issue would be triggerable in an AVX > build, but not in AVX2. This affects the indexing done in crypt_all(). > And the AES is also different. super: Loaded 1 password hash (Bitcoin [SHA512 AES 128/128 AVX 2x]) my : Loaded 1 password hash (Bitcoin [SHA512 AES 256/256 AVX2 4x]) Thanks, Kai
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