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WORKER_THREAD_TEST_CONDITION
Kernel worker-thread diagnostic condition for WORKER_THREAD_TEST_CONDITION
WORKER_THREAD_TEST_CONDITION is bug check code 0x00000163.
This code is tied to kernel worker-thread test or diagnostic paths. It is useful when a checked, instrumented, or diagnostic kernel path deliberately validates worker-thread behavior rather than when an application thread simply becomes busy.
How to read it in a dump
- Look for worker-thread, delayed-work, or executive worker queue frames in the dump.
- Check whether the machine was running verifier, test signing, internal diagnostics, or stress tooling.
- The queued work item and owning driver matter more than the constant name.
What to check
- Inspect worker queue state and the module that queued the current work item.
- Disable lab-only stress or verifier settings only after collecting the dump.
- Check for drivers that block worker threads or recursively queue work without progress.
References
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