DDT hangs during cuBLAS and cuSPARSE initialization

When I run DDT with CUDA enabled, it typically hangs whenever I go to call cublasCreate or cusparseCreate.  Sometimes if I wait long enough, it goes through.  Other times it never completes.  This issue has been present for some time now and I have experienced it on multiple machines with multiple CUDA versions.  

Is this a known issue?  Thanks.

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