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Date: Wed, 22 May 2013 11:33:08 -0700 (PDT)
From: NeonFlash <psykosonik_frequenz@...oo.com>
To: "john-users@...ts.openwall.com" <john-users@...ts.openwall.com>
Subject: Re: JtR OpenCL - AMD GPU not listed
Hi Alexander,
I hope I have all the information you have asked:
1. clinfo does not list the GPU (and I am not sure why). Here are a few lines out of output from the clinfo command. It lists only the CPU and not the GPU.
No protocol specified
Number of platforms: 1
Platform Profile: FULL_PROFILE
Platform Version: OpenCL 1.2 AMD-APP (938.2)
Platform Name: AMD Accelerated Parallel Processing
Platform Vendor: Advanced Micro Devices, Inc.
Platform Extensions: cl_khr_icd cl_amd_event_callback cl_amd_offline_devices
Platform Name: AMD Accelerated Parallel Processing
Number of devices: 1
Device Type: CL_DEVICE_TYPE_CPU
Device ID: 4098
Board name:
Max compute units: 4
.......
Platform ID: 0x7f22b3b82ce0
Name: AMD Phenom(tm) II X4 955 Processor
Vendor: AuthenticAMD
Device OpenCL C version: OpenCL C 1.2
Driver version: 2.0 (sse2)
Profile: FULL_PROFILE
Version: OpenCL 1.2 AMD-APP (938.2)
Extensions: cl_khr_fp64 cl_amd_fp64 cl_khr_global_int32_base_atomics
2. I am not sure which xorg.conf file should I look for:
these are the ones present on the machine:
/root/xorg.conf.new
/etc/X11/xorg.conf.d
/etc/X11/xorg.conf.install
in the /etc/X11/xorg.conf.d directory, I have the following *.conf files:
10-evdev.conf 50-device.conf 50-screen.conf 50-vmmouse.conf 90-keytable.conf
11-mouse.conf 50-monitor.conf 50-synaptics.conf 50-wacom.conf
here is the output of 50-device.conf:
Section "Device"
Identifier "Default Device"
#Driver "radeon"
## Required magic for radeon/radeonhd drivers; output name
## (here: "DVI-0") can be figured out via 'xrandr -q'
#Option "monitor-DVI-0" "Default Monitor"
EndSection
3. I am connected to the machine via SSH (it is my friend's machine):
I am not sure how to find if X is running. Here are few ways I have used and I think X is running:
a) DISPLAY environment variable is not set.
b) There is no process called "X" running in the process list.
c) The default runlevel defined in /etc/inittab is 5 as shown below:
cat /etc/inittab
id:5:initdefault:
d) who -r
run-level 5 May 9 18:32 last=S
Also, here is the output of aticonfig command:
* 0. 01:00.0 AMD Radeon HD 7900 Series
* - Default adapter
Please let me know if any other details are required.
Thanks.
________________________________
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Sent: Wednesday, May 22, 2013 11:09 PM
Subject: Re: [john-users] JtR OpenCL - AMD GPU not listed
On Wed, May 22, 2013 at 09:02:25AM -0700, NeonFlash wrote:
> at first, here is the problem. When I try to list the opencl devices with JtR, it does not list the ATI HD 7970 installed on the machine:
Does "clinfo" list the GPU? Is the GPU configured in xorg.conf, and do
you have X running? (It needs to be, and you should.)
The old workarounds that you found (OS_TIMER 0 and AMD APP SDK
downgrade) were for different issues and are irrelevant (besides,
1.7.9-jumbo-7 already includes a different workaround for the OS_TIMER
issue, so you should not bother).
Alexander
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