Bug Check 0xB8: ATTEMPTED_SWITCH_FROM_DPC

The ATTEMPTED_SWITCH_FROM_DPC bug check has a value of 0x000000B8. This indicates that an illegal operation was attempted by a delayed procedure call (DPC) routine.

Important

This article is for programmers. If you're a customer who has received a blue screen error code while using your computer, see Troubleshoot blue screen errors.

ATTEMPTED_SWITCH_FROM_DPC Parameters

Parameter Description

1

The original thread causing the failure

2

The new thread

3

The stack address of the original thread

4

Reserved

Cause

A wait operation, attach process, or yield was attempted from a DPC routine. This is an illegal operation.

Resolution

The stack trace will lead to the code in the original DPC routine that caused the error.

See Also

Bug Check Code Reference