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UNEXPECTED_INITIALIZATION_CALL
Unexpected kernel initialization call for UNEXPECTED_INITIALIZATION_CALL
UNEXPECTED_INITIALIZATION_CALL is bug check code 0x00000033. This bug check points at initialization sequencing rather than a normal runtime driver error. A component entered an init routine after the expected phase, before prerequisites existed, or in a state that made initialization unsafe.
How to read it in a dump for UNEXPECTED_INITIALIZATION_CALL
- Identify the initialization phase on the stack: boot loader handoff, kernel init, driver load, subsystem init, or late reinitialization.
- A duplicate call can indicate corrupt state, a wrong driver entry path, or incompatible boot/start ordering.
- The failing module and phase are more important than the symbolic name alone.
What to check for UNEXPECTED_INITIALIZATION_CALL
- Check boot-start and system-start drivers, filter load order, and recent kernel or driver updates.
- Look for duplicate registration or reinitialization paths.
- Compare with neighboring init bug checks if the machine fails early in boot.
References for UNEXPECTED_INITIALIZATION_CALL
- DriverEntry routine
- Kernel-mode support routines
- Microsoft Bug Check Code Reference
- Crash dump files and WinDbg
Dump evidence for UNEXPECTED_INITIALIZATION_CALL
For UNEXPECTED_INITIALIZATION_CALL, 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 “UNEXPECTED_INITIALIZATION_CALL”; that sentence identifies the failure class, while the parameters and stack determine which object, driver, processor, or subsystem instance was involved.
Analysis order for UNEXPECTED_INITIALIZATION_CALL
- Run WinDbg
!analyze -v, then inspect the documented meaning of each UNEXPECTED_INITIALIZATION_CALL parameter instead of relying only on the probably-caused-by line. - For UNEXPECTED_INITIALIZATION_CALL, find the earliest abnormal event: driver update, firmware change, device reset, storage error, verifier report, resource exhaustion, or application hang connected with unexpected / initialization / call.
- For UNEXPECTED_INITIALIZATION_CALL, 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 UNEXPECTED_INITIALIZATION_CALL before collecting the dump and event logs. For UNEXPECTED_INITIALIZATION_CALL, recovery actions should follow the component identified by the stack and parameters, not merely the symbolic stop-code name.
Dump evidence for UNEXPECTED_INITIALIZATION_CALL
For UNEXPECTED_INITIALIZATION_CALL, 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 “UNEXPECTED_INITIALIZATION_CALL”; that sentence identifies the failure class, while the parameters and stack determine which object, driver, processor, or subsystem instance was involved.
Analysis order for UNEXPECTED_INITIALIZATION_CALL
- Run WinDbg
!analyze -v, then inspect the documented meaning of each UNEXPECTED_INITIALIZATION_CALL parameter instead of relying only on the probably-caused-by line. - For UNEXPECTED_INITIALIZATION_CALL, find the earliest abnormal event: driver update, firmware change, device reset, storage error, verifier report, resource exhaustion, or application hang connected with unexpected / initialization / call.
- For UNEXPECTED_INITIALIZATION_CALL, 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 UNEXPECTED_INITIALIZATION_CALL before collecting the dump and event logs. For UNEXPECTED_INITIALIZATION_CALL, recovery actions should follow the component identified by the stack and parameters, not merely the symbolic stop-code name.
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