I'm getting

[GPU 0] T=-1C A=-1% sols=0.309
[GPU 1] T=-1C A=-1% sols=0.258
[GPU 2] T=-1C A=-1% sols=0.285
(ST/INV/DUP): none

with one AMD R9 280X and 2 AMD R9 280
Xubuntu 15.10
fglrx:
  Installed: 2:15.201-0ubuntu2~15.10.2
  Candidate: 2:15.201-0ubuntu2~15.10.2
  Version table:
 *** 2:15.201-0ubuntu2~15.10.2 0

Any ideas what's wrong?