yay, finally figured out how to run my HD 5970 above 70,000 PMK/s! Problem was crossfire being enabled. I was mislead at first because "aticonfig --lsch" says crossfire was disabled. But if you run the command "aticonfig --lscs" it showed enabled, wtf?!
So to disable crossfire I had to do the following:
1. aticonfig --adapter=all --initial (this reconfigures /etc/X11/xorg.conf and also makes a copy of the original as xorg.conf.fglrx-1)
2. restart x server by press control+alt+backspace
3. type startx once at the command prompt
4. run "aticonfig --lscs" to ensure it says disabled. If not, run "aticonfig --adapter=all --cf=off" and restart X again from step 2
5. if you do "pyrit list_cores" it should only list one GPU, don't worry just need a simple command to access the other gpu.
6. type "export DISPLAY=:0" to access the other GPU.
7. Run pyrit list_cores again and should get both GPUs now.
8. Run pyrit benchmark and you should be getting PMK/s in the 100,000 range. I get around 145,000 PMK/s
