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IO_THREADPOOL_DEADLOCK_LIVEDUMP
The IO_THREADPOOL_DEADLOCK_LIVEDUMP bug check has a value of 0x000001C5. This indicates a kernel mode threadpool encountered a deadlock situation.
Important
This topic is for programmers. If you are a customer who has received a blue screen error code while using your computer, see Troubleshoot blue screen errors.
IO_THREADPOOL_DEADLOCK_LIVEDUMP Parameters
| Parameter | Description |
|---|---|
| 1 | Pool Number. 0x0 : ExPoolUntrusted |
| 2 | Pointer to the PEX_WORK_QUEUE |
| 3 | Reserved |
| 4 | Reserved |
Dump evidence for IO_THREADPOOL_DEADLOCK_LIVEDUMP
For IO_THREADPOOL_DEADLOCK_LIVEDUMP, preserve the complete dump, the four bug-check parameters, the exact Windows build, loaded-module list, and the event timeline immediately before the stop. AllStat summarizes the condition as “IO_THREADPOOL_DEADLOCK_LIVEDUMP”; that sentence identifies the failure class, while the parameters and stack determine which object, driver, processor, or subsystem instance was involved.
Analysis order for IO_THREADPOOL_DEADLOCK_LIVEDUMP
- Run WinDbg
!analyze -v, then inspect the documented meaning of each IO_THREADPOOL_DEADLOCK_LIVEDUMP parameter instead of relying only on the probably-caused-by line. - Find the earliest abnormal event: driver update, firmware change, device reset, storage error, verifier report, resource exhaustion, or application hang connected with io / threadpool / deadlock / livedump.
- For IO_THREADPOOL_DEADLOCK_LIVEDUMP, keep third-party filter, security, storage, graphics, and virtualization drivers in the module inventory; removing evidence before dump analysis can obscure the responsible path.
Do not repeatedly reboot a machine affected by IO_THREADPOOL_DEADLOCK_LIVEDUMP before collecting the dump and event logs. For IO_THREADPOOL_DEADLOCK_LIVEDUMP, recovery actions should follow the component identified by the stack and parameters, not merely the symbolic stop-code name.
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