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fix(cuda.core): surface real CUDA error in Device.set_current() #2461

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fix(cuda.core): surface real CUDA error in Device.set_current() #2461

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5 changes: 4 additions & 1 deletion cuda_core/cuda/core/_device.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -1289,7 +1289,10 @@ class Device:
# use primary ctx
h_context = get_primary_context(self._device_id)
if h_context.get() == NULL:
raise ValueError("Cannot set NULL context as current")
HANDLE_RETURN(get_last_error())
raise RuntimeError(
f"Failed to retain the primary context for device {self._device_id}"
)
with nogil:
HANDLE_RETURN(cydriver.cuCtxSetCurrent(as_cu(h_context)))
self._has_inited = True
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