BSOD 0x1000007E (SYSTEM_THREAD_EXCEPTION_NOT_HANDLED

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: This indicates that a system thread generated an exception which the error handler did not catch.

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HYPERVISOR_ERROR	UNEXPECTED_KERNEL_MODE_TRAP_M

SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M

SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M is bug check 0x1000007E. Microsoft states that it has the same meaning and parameters as SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (0x7E): a system thread generated an exception that the error handler did not catch.

Interpret the four arguments exactly as 0x7E

Parameter 1 is the unhandled exception code, parameter 2 the address where it occurred, parameter 3 the exception-record address, and parameter 4 the context-record address. The M-suffix page is therefore a pointer to the base code's diagnostic contract, not a separate four-parameter format.

Use the exception data

Resolve parameter 1 first; for example, Microsoft lists access violation, breakpoint, and datatype misalignment among common exception codes.
Map parameter 2 to a symbol or module and use the exception/context records when available.
Keep 0x1000007E as the captured bug-check value in reports even though the argument semantics come from 0x7E.

References

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