BUG: NVML system events may only be registered once per process

Author: mdboom

cuda_core/tests/system/test_system_events.py

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 #
 # SPDX-License-Identifier: Apache-2.0
 
@@ -22,6 +22,10 @@ def test_register_events():
 
     # Also, some hardware doesn't support any event types.
 
-    events = system.register_events([system.SystemEventType.GPU_DRIVER_UNBIND])
+    try:
+        events = system.register_events([system.SystemEventType.GPU_DRIVER_UNBIND])
+    except system.UnknownError:
+        pytest.skip("system events may only be registered once per process")
+
     with pytest.raises(system.TimeoutError):
         events.wait(timeout_ms=500, buffer_size=1)