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Message-ID: <CAN4B415=TWwDCofS+d26m3Yz+_i8biv6mesyPYWE=xrE=s+DWA@mail.gmail.com>
Date: Tue, 2 Jun 2015 22:45:47 +0200
From: Luis Rocha <luiscrocha@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Multiple GPU and Fork
I'm running Ubuntu 14.04.2 LTS and In this case I had X running.
So, I disabled the x11-common service and added the line
GRUB_CMDLINE_LINUX_DEFAULT="text" to /etc/default/grub. Upon restart the
system does not start X.
I launched JtR, but the same behavior. Interesting, without X, JtR is
slower starting ... on a different topic not having X breaks oclHashcat1.36
- ADL_Overdrivev5_CurrentActivity_Get()
Any other things I could try?
PS: I am running this version of Ubuntu and Cat Driver (14.9) in order to
have the latest oclhashcat capability.
Thank you,
Luis
On Tue, Jun 2, 2015 at 9:55 PM, magnum <john.magnum@...hmail.com> wrote:
> 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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