gmarkall commented on PR #48284:
URL: https://github.com/apache/arrow/pull/48284#issuecomment-3590106186

   For the CUDA 11 tests, from 
https://github.com/ursacomputing/crossbow/actions/runs/19770191970/job/56652474566#step:6:289:
   
   ```
   #10 5.661 WARNING: numba-cuda 0.21.2 does not provide the extra 'cu11'
   ```
   
   current Numba-CUDA versions only support CUDA 12 and 13, so this is not 
unexpected.
   
   For the CUDA 13 tests, it looks to me as if the required packages have 
installed and the tests ran:
   
   ```
    #10 6.069 Collecting numba-cuda[cu13]
   ...
    #10 13.62 Successfully installed cuda-bindings-13.0.3 cuda-core-0.4.2 
cuda-pathfinder-1.3.2 cuda-python-13.0.3 numba-cuda-0.21.2 
nvidia-cuda-cccl-13.0.85 nvidia-cuda-nvrtc-13.0.88 nvidia-cuda-runtime-13.0.96 
nvidia-nvjitlink-13.0.88 nvidia-nvvm-13.0.88
   ```
   
   (from 
https://github.com/ursacomputing/crossbow/actions/runs/19770191961/job/56652474688#step:6:4732)
   
   ```
   
arrow-dev/lib/python3.12/site-packages/pyarrow/tests/test_cuda_numba_interop.py:
 18 warnings
     
/arrow-dev/lib/python3.12/site-packages/numba_cuda/numba/cuda/dispatcher.py:696:
 NumbaPerformanceWarning: Grid size 1 will likely result in GPU 
under-utilization due to low occupancy.
       warn(errors.NumbaPerformanceWarning(msg))
   ```
   
   (from 
https://github.com/ursacomputing/crossbow/actions/runs/19770191961/job/56652474688#step:6:9258)
   
   and I don't see it being skipped.


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