For some reason deviceQuery detects my 8600M GT, and so does bandwidthTest, but it won’t run properly. As you can see, the kext is loaded. Both $PATH and $DYLD_LIBRARY_PATH includes the correct directories. Is it a result of only having 128MB VRAM?
94:release torjue$ ./deviceQuery
CUDA Device Query (Runtime API) version (CUDART static linking)
There is 1 device supporting CUDA
Device 0: "GeForce 8600M GT"
CUDA Driver Version: 2.30
CUDA Runtime Version: 2.30
CUDA Capability Major revision number: 1
CUDA Capability Minor revision number: 1
Total amount of global memory: 134021120 bytes
Number of multiprocessors: 4
Number of cores: 32
Total amount of constant memory: 65536 bytes
Total amount of shared memory per block: 16384 bytes
Total number of registers available per block: 8192
Warp size: 32
Maximum number of threads per block: 512
Maximum sizes of each dimension of a block: 512 x 512 x 64
Maximum sizes of each dimension of a grid: 65535 x 65535 x 1
Maximum memory pitch: 262144 bytes
Texture alignment: 256 bytes
Clock rate: 0.94 GHz
Concurrent copy and execution: Yes
Run time limit on kernels: Yes
Integrated: No
Support host page-locked memory mapping: No
Compute mode: Default (multiple host threads can use this device simultaneously)
Test PASSED
Press ENTER to exit...
94:release torjue$ ./bandwidthTest
Running on......
device 0:GeForce 8600M GT
Quick Mode
Host to Device Bandwidth for Pageable memory
cudaSafeCall() Runtime API error in file <bandwidthTest.cu>, line 647 : no CUDA-capable device is available.
94:release torjue$ kextstat | grep "CUDA"
149 0 0x56928000 0x2000 0x1000 com.nvidia.CUDA (1.1.0) <4 1>