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Date: Tue, 6 Nov 2012 12:40:26 -0700
From: Stephen John Smoogen <smooge@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Trying to figure out OPEN CL working
On 6 November 2012 10:05, Lukas Odzioba <lukas.odzioba@...il.com> wrote:
> 2012/11/6 Stephen John Smoogen <smooge@...il.com>:
>> I tried X and got segmentation faults with john so I figured I needed
>> to run this in console mode.
>
> That is weird, john should work on X without a problem. This might be
> some important bug.
> Could you provide more detailed information what commands did you run,
> and john output.
>
> Lukas
OK this seems to be user error of some sort on my part. I removed the
second video card, reinstalled the ati drivers and it works now with
clinfo and other tools working without segmentation faults. My only
guess at the moment is that I may have a hardware problem with the
5850 which was causing the issues.
$ ./john --list=opencl-devices
Platform #0 name: AMD Accelerated Parallel Processing
Platform version: OpenCL 1.2 AMD-APP (1016.4)
Device #0 name: Barts
Device vendor: Advanced Micro Devices, Inc.
Device type: GPU (LE)
Device version: OpenCL 1.2 AMD-APP (1016.4)
Driver version: 1016.4
Global Memory: 512 MB
Global Memory Cache: 0 bytes
Local Memory: 32 KB (Local)
Max clock (MHz) : 900
Max Work Group Size: 256
Parallel compute cores: 14
Stream processors: 1120 (14 x 80)
Device #1 name: AMD Phenom(tm) II X4 955 Processor
Device vendor: AuthenticAMD
Device type: CPU (LE)
Device version: OpenCL 1.2 AMD-APP (1016.4)
Driver version: 1016.4 (sse2)
Global Memory: 7869 MB
Global Memory Cache: 64 KB
Local Memory: 32 KB (Global)
Max clock (MHz) : 3210
Max Work Group Size: 1024
Parallel compute cores: 4
One of my problems in debugging stuff is that the developer.amd.com is
under reconstruction this month and so various downloads I have gotten
may be old ones since the links directly to the icd-registration.tgz
and the AMD-APP-SDK didn't work and what I found via google may be old
or beta (I found AMD-APP-SDK-v2.6-lnx64.tgz but I don't know what its
date is). If I need newer versions and an icd-registration program..
could someone point where I could get them?
I have started a run to see how it works. X seems to become very non
responsive when I do this which I figure is a good sign :).
./john --session=B --wordlist=wordlist00 --pot=john1.pot
--format=md5crypt-opencl hash-md5crypt
OpenCL platform 0: AMD Accelerated Parallel Processing, 2 device(s).
Using device 0: Barts
Loaded 90630 password hashes with 90630 different salts (md5crypt
[OpenCL (inefficient, development use mostly)])
and then it starts spitting things out at a much faster rate than on
the 4 processors.
--
Stephen J Smoogen.
"Don't derail a useful feature for the 99% because you're not in it."
Linus Torvalds
"Years ago my mother used to say to me,... Elwood, you must be oh
so smart or oh so pleasant. Well, for years I was smart. I
recommend pleasant. You may quote me." —James Stewart as Elwood P. Dowd
Download attachment "clinfo" of type "application/octet-stream" (5996 bytes)
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