Debugging Tools for Windows

Bug Check 0x39: SYSTEM_EXIT_OWNED_MUTEX

The SYSTEM_EXIT_OWNED_MUTEX bug check has a value of 0x00000039. This indicates that the worker routine returned without releasing the mutex object that it owned.

Parameters

The following parameters are displayed on the blue screen.

Parameter Description
1 The address of the worker routine that caused the error.
2 The parameter passed to the worker routine.
3 The address of the work item.
4 Reserved.

Cause

The worker routine returned while it still owned a mutex object. The current worker thread will proceed to run other unrelated work items, and the mutex will never be released.

Resolving the Problem

A debugger is required to analyze this problem. To find the driver that caused the error, use the ln (List Nearest Symbols) debugger command:

kd> ln address

Where address is the worker routine given in Parameter 1.

Build machine: CAPEBUILD