Quote Originally Posted by Amadeus View Post
So i tried to follow your instructions which seems to work more or less. Yet, oclhascat uses only one graphics device:

lspci | grep VGA
------------------
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Tahiti XT [Tadeon HD 7970]
02:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Tahiti XT [Tadeon HD 7970]
03:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Tahiti XT [Tadeon HD 7970]
05:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Tahiti XT [Tadeon HD 7970]
06:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Tahiti XT [Tadeon HD 7970]
07:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Tahiti XT [Tadeon HD 7970]

amd-config --list-devices
----------------------------
* 0. 01:00.0 AMD Radeon R9 200 Series
1. 02:00.0 AMD Radeon HD 7900 Series
2. 03:00.0 AMD Radeon HD 200 Series
3. 05:00.0 AMD Radeon HD 7900 Series
4. 06:00.0 AMD Radeon HD 7900 Series
5. 07:00.0 AMD Radeon HD 7900 Series

oclhashcat -b
---------------
oclHashcat v1.36 starting in benchmark-mode...

Device #1: Tahiti, 2995MB, 1000Mhz, 32MCU

ATTENTION! Unsupported or incorrect installed GPU driver detected!


Do you have any ideas?

P.S.
I also tried "ati-config --initial -f --adapter=all"

Best regards
Take a look in the fglrx cal++ thread in the community guide section. There is some discussion on getting multi gpus to work.