Something is wrong when running
-i 2 on system with
Pitcairn GPU17:55:05:929 2e0 GPU #0: Pitcairn, 2048 MB available, 20 compute units
17:55:05:929 2e0 GPU #0 recognized as Radeon 270/270X
17:55:05:929 2e0 POOL version
17:55:05:929 2e0 b154
17:55:05:929 2e0 Platform: Windows
17:55:05:939 2e0 start building OpenCL program...
17:55:06:869 2e0 done
17:55:06:869 2e0 GPU #0 intensity 2
17:55:06:869 2e0 Total cards: 1
17:55:06:919 2e0 OpenCL error 0 #101 - -61
-i 0 or -i 1 run flawlessly (38-39sol/s on 270 )