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SAVER_MTBFCOMMANDHANG
SAVER_MTBFCOMMANDHANG: interpret the capture reason, not a public stop-code contract
SAVER_MTBFCOMMANDHANG (0x0000F101) classifies a diagnostic capture where an MTBF/reliability command stopped making progress rather than merely finishing late. SAVER values are diagnostic categories; the public symbol does not provide a stable bugcheck-parameter contract that identifies one defective driver by itself.
Capture the evidence that belongs to this category
Preserve command and target identity, last progress marker, wait chain, owner of the request, cancellation state, and harness heartbeat. Also keep the Windows build, dump type, producer, WER/event correlation, and relevant process or package identity.
What the investigation should prove
The goal is to locate the retained request or blocking dependency and verify forward progress resumes under the same command. Use the dump and surrounding events to find the first concrete blocked transition or failing component; do not manufacture parameter meanings from the numeric SAVER value.
Technical references
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