Date: Tue, 02 Jun 2015 21:55:08 +0200 From: magnum <john.magnum@...hmail.com> To: john-users@...ts.openwall.com Subject: Re: Multiple GPU and Fork On 2015-06-02 21:19, Solar Designer wrote: > On Tue, Jun 02, 2015 at 08:48:32PM +0200, Luis Rocha wrote: >> # ./john 3-base.md5crypt.pw --format=md5crypt-opencl --dev=0,1 --fork=2 >> initUnicode(UNICODE, ASCII/ASCII) >> ASCII -> ASCII -> ASCII >> Loaded 1726 password hashes with 1726 different salts (md5crypt-opencl, >> crypt(3) $1$ [MD5 OpenCL]) >> Node numbers 1-2 of 2 (fork) >> Device id 0 not working correctly, skipping. >> Device id 1 not working correctly, skipping. >> No OpenCL devices found > > Yes, --fork fails like that with newer versions of Catalyst - those that > no longer require X running to access the individual devices via OpenCL. > I don't yet know if this can be worked around by starting X anyway or > not - you may try. I had no idea about this problem. For AMD I use to run a minimal xdm thing just out of habit, with both devices configured, and that works fine with Cat 14.9. magnum
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