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Date: Wed, 07 Nov 2012 19:01:06 +0100
From: marc.brinkmann@...il.com
To: john-users@...ts.openwall.com
Subject: Re: Trying to figure out OPEN CL working
Dear all,
i'd like to add, that i succesfully used opencl to attack Office2010 about 2
weeks ago (even if i had no guess in the time).
I run ubuntu 12.04, while it worked. Then i upgraded to 12.10 and installed
the most recent driver.
But my GPU was not recognized any more.
i tried catalyst 12.4, 12.6, 12.8, 12.9beta (that worked before), 12.10 and
12.11(beta).
12.11 was the only one, that recognized my GPU. But it did not work on office
anymore.
I also run an Asus Eee PC 1201N with an ION chipset. OS Is sabayon. It works
flawlessly there (also i only get 120c/s ).
Now i switched to Sabayon on my Notebook was well, upgraded everything and
tried Office once again.
I can use OpenCL on wpapsk or MSCash2, but not on Office.
marc@...berd ~/JohnTheRipper/run $ ./john --test --format=MSCash2-opencl
OpenCL platform 0: AMD Accelerated Parallel Processing, 2 device(s).
Using device 0: Juniper
Optimal Work Group Size:256
Kernel Execution Speed (Higher is better):0.258445
Benchmarking: M$ Cache Hash 2 (DCC2) PBKDF2-HMAC-SHA-1 [OpenCL]... DONE
Raw: 16414 c/s real, 16404 c/s virtual
marc@...berd ~/JohnTheRipper/run $ ./john --test --format=wpapsk-opencl
OpenCL platform 0: AMD Accelerated Parallel Processing, 2 device(s).
Using device 0: Juniper
Benchmarking: WPA-PSK PBKDF2-HMAC-SHA-1 [OpenCL]... DONE
Raw: 20329 c/s real, 110592 c/s virtual
marc@...berd ~/JohnTheRipper/run $ ./john --test --format=office2010-opencl
OpenCL platform 0: AMD Accelerated Parallel Processing, 2 device(s).
Using device 0: Juniper
Compilation log: LOOP UNROLL: pragma unroll (line 413)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 405)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 394)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 391)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 456)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 445)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 450)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 436)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 486)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 491)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 541)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 534)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 528)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 515)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 508)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 499)
Unrolled as requested!
LOOP UNROLL: pragma unroll (line 478)
Unrolled as requested!
Speicherzugriffsfehler
marc@...berd ~/JohnTheRipper/run $
I guess a "better" fglrx s needed, but i wanted to add this.
fglrx:
marc@...berd ~/JohnTheRipper/run $ lsmod | grep fg
fglrx 4531192 103
cfg80211 137672 1 wl
GPU = AMD Mobility 6800Series, which is (according to Wikipedia) certified for
OpenCL
BR Marc
PS: This was my very first mailing-list mail ever ;)
Am Montag, 5. November 2012, 20:30:42 schrieb Stephen John Smoogen:
> So I cobbled together a system to work with GPU's and am now trying to
> determine what is going on with it :).
>
> The system is an Asus motherboard with a AMD Phenom(tm) II X4 955
> processor and 2 video cards (a ATI 6850 and an ATI 5870). System is
> currently running CentOS 6.3 and has the Catalyst 12.10 drivers
> installed and running. When I do a
>
> $ ./john --list=opencl-devices
> Platform #0 name: AMD Accelerated Parallel Processing
> Platform version: OpenCL 1.1 AMD-APP (831.4)
> Device #0 name: AMD Phenom(tm) II X4 955 Processor
> Device vendor: AuthenticAMD
> Device type: CPU (LE)
> Device version: OpenCL 1.1 AMD-APP (831.4)
> Driver version: 2.0
> Global Memory: 7871 MB
> Global Memory Cache: 64 KB
> Local Memory: 32 KB (Global)
> Max clock (MHz) : 3210
> Max Work Group Size: 1024
> Parallel compute cores: 4
>
> $ lspci | grep VGA
> 02:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee
> ATI Cypress [Radeon HD 5800 Series]
> 04:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee
> ATI Barts XT [ATI Radeon HD 6800 Series]
>
> $ lsmod | grep fg
> fglrx 4740767 3
>
> I was expecting to see them listed... so I am guessing I am doing
> something wrong somewhere. I have gone through the wiki and some other
> sites to try and find information on what to do next and not found
> anything that stands out which made me think I must have missed
> something very obvious.
>
> Running
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