ERROR: clGetPlatformIDs() -1001

[3x4a]

Linux 3.5.0-21-generic
ATI Robson CE [AMD Radeon HD 6300 Series]
oclHashcat-plus-0.12

$ apt-cache policy xserver-xorg-video-ati
xserver-xorg-video-ati:
Installed: 1:6.99.99~git20120913.8637f772-0ubuntu1
Candidate: 1:6.99.99~git20120913.8637f772-0ubuntu1
Version table:
*** 1:6.99.99~git20120913.8637f772-0ubuntu1 0
500 http://archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages
100 /var/lib/dpkg/statu

$ ./oclHashcat-plus64.bin -m 500 example500.hash example.dict
ERROR: clGetPlatformIDs() -1001