Bug Check 0x1A1: WIN32K_CALLOUT_WATCHDOG_LIVEDUMP

The WIN32K_CALLOUT_WATCHDOG_LIVEDUMP live dump has a value of 0x000001A1. A callout to Win32k did not return promptly.

WIN32K_CALLOUT_WATCHDOG_LIVEDUMP Parameters

The following parameters are displayed on the blue screen.

Parameter Description
1 Thread blocking prompt return from a Win32k callout.
2 Reserved.
3 Reserved.
4 Reserved.

Cause

A callout to Win32k did not return promptly.

(This code can never be used for a real bugcheck; it is used to identify live dumps.)

Remarks

For general information about working with threads, see:

Controlling Processes and Threads

Windows Kernel-Mode Process and Thread Manager

See Also

Kernel Live Dump Code Reference

Bug Check Code Reference