World Community Grid - exit code 234 “Error: cl khr local int32 base atomics extension required by this program is not supported
- Why are my work units failing with exit code 234 “Error cl_khr_local_int32_base_atomics extension required by this program is not supported”?
The Help Conquer Cancer graphics card application requires the OpenCL extension cl_khr_local_int32_base_atomics and will not run on cards that do not support this extension. If you see the error above it is because your graphics card does not support the extension.
Source: from the original World Community Grid FAQ.