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System hang

Description

Run this command, and the entire system hangs:

Successfully reproduced on 4.1.0 and 4.3.1 using hardware without DSU.

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Przemyslaw Wirkus March 21, 2025 at 9:59 AM

Laszlo Csondes mentioned this issue in a merge request of linaro / WindowsPerf / WindowsPerf on branch fix-no-dsu:

[wperf, wperf-driver] : Fix system hang with no DSU

Laszlo Csondes March 20, 2025 at 8:31 AM

This is caused by the driver entering an infinite loop at IRQL=DISPATCH_LEVEL, attempting to multiplex 1 event among 0 DSUs.

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Created March 11, 2025 at 11:25 AM
Updated March 25, 2025 at 11:01 AM
Resolved March 25, 2025 at 11:01 AM