Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

`test_cupy_sparse.py` failures on gpuCI build

See original GitHub issue

The following tests have started to fail on our gpuCI build

12:52:07 FAILED dask/array/tests/test_cupy_sparse.py::test_sparse_hstack_vstack_csr
12:52:07 FAILED dask/array/tests/test_cupy_sparse.py::test_sparse_dot[csr]
12:52:07 FAILED dask/array/tests/test_cupy_sparse.py::test_sparse_dot[csc]

with an interesting Fatal Python error: Floating point exception error (full traceback below). See this gpuCI build triggered from https://github.com/dask/dask/pull/8219 for more details

Full traceback:

Fatal Python error: Floating point exception
12:51:45 
12:51:45 Thread 0x00007f5ce5fff700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5cf0ffd700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5cf17fe700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5cf1fff700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5cf8ffd700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5cf97fe700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5cf9fff700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d00ffd700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d017fe700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d01fff700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d08ffd700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d097fe700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d09fff700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d10ffd700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d117fe700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d11fff700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d20ffd700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d217fe700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d21fff700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d50ffd700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d517fe700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d51fff700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d58ffd700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d597fe700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d59fff700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d70ffd700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d717fe700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d71fff700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d88ffd700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d897fe700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d89fff700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d90ffd700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d917fe700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d91fff700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d9cff9700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d9d7fa700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d9dffb700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d9e7fc700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d9effd700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d9f7fe700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5d9ffff700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5db8ffd700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5db97fe700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5db9fff700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5dc093f700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f5f78794700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/concurrent/futures/thread.py", line 78 in _worker
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 870 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 932 in _bootstrap_inner
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/threading.py", line 890 in _bootstrap
12:51:45 
12:51:45 Thread 0x00007f6076cc6700 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/execnet/gateway_base.py", line 400 in read
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/execnet/gateway_base.py", line 432 in from_io
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/execnet/gateway_base.py", line 967 in _thread_receiver
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/execnet/gateway_base.py", line 220 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/execnet/gateway_base.py", line 285 in _perform_spawn
12:51:45 
12:51:45 Current thread 0x00007f6078503740 (most recent call first):
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/cupy/cusparse.py", line 1264 in create
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/cupy/cusparse.py", line 1645 in denseToSparse
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/cupyx/scipy/sparse/csc.py", line 71 in _convert_dense
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/cupyx/scipy/sparse/compressed.py", line 263 in __init__
12:51:45   File "/workspace/dask/array/utils.py", line 144 in compute_meta
12:51:45   File "/workspace/dask/array/blockwise.py", line 279 in blockwise
12:51:45   File "/workspace/dask/array/core.py", line 732 in map_blocks
12:51:45   File "/workspace/dask/array/core.py", line 2370 in map_blocks
12:51:45   File "/workspace/dask/array/tests/test_cupy_sparse.py", line 74 in test_sparse_dot
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/_pytest/python.py", line 183 in pytest_pyfunc_call
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_callers.py", line 39 in _multicall
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_manager.py", line 80 in _hookexec
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_hooks.py", line 265 in __call__
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/_pytest/python.py", line 1641 in runtest
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/_pytest/runner.py", line 162 in pytest_runtest_call
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_callers.py", line 39 in _multicall
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_manager.py", line 80 in _hookexec
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_hooks.py", line 265 in __call__
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/_pytest/runner.py", line 255 in <lambda>
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/_pytest/runner.py", line 311 in from_call
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/_pytest/runner.py", line 254 in call_runtest_hook
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/_pytest/runner.py", line 215 in call_and_report
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/_pytest/runner.py", line 126 in runtestprotocol
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/_pytest/runner.py", line 109 in pytest_runtest_protocol
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_callers.py", line 39 in _multicall
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_manager.py", line 80 in _hookexec
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_hooks.py", line 265 in __call__
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/xdist/remote.py", line 106 in run_one_test
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/xdist/remote.py", line 90 in pytest_runtestloop
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_callers.py", line 39 in _multicall
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_manager.py", line 80 in _hookexec
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_hooks.py", line 265 in __call__
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/_pytest/main.py", line 323 in _main
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/_pytest/main.py", line 269 in wrap_session
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/_pytest/main.py", line 316 in pytest_cmdline_main
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_callers.py", line 39 in _multicall
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_manager.py", line 80 in _hookexec
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/pluggy/_hooks.py", line 265 in __call__
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/xdist/remote.py", line 266 in <module>
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/execnet/gateway_base.py", line 1084 in executetask
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/execnet/gateway_base.py", line 220 in run
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/execnet/gateway_base.py", line 285 in _perform_spawn
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/execnet/gateway_base.py", line 267 in integrate_as_primary_thread
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/execnet/gateway_base.py", line 1060 in serve
12:51:45   File "/opt/conda/envs/dask/lib/python3.8/site-packages/execnet/gateway_base.py", line 1554 in serve
12:51:45   File "<string>", line 8 in <module>
12:51:45   File "<string>", line 1 in <module>

cc @dask/gpu