Bug Check 0x1E9: ILLEGAL_ATS_INITIALIZATION

The ILLEGAL_ATS_INITIALIZATION bug check has a value of 0x000001E9. This indicates that the driver has attempted to illegally enable the Address Translation Service (ATS) on a device which has been already been enabled for Shared Virtual Memory (SVM).

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.

ILLEGAL_ATS_INITIALIZATION Parameters

Parameter	Description
1	The physical device object.
2	Reserved
3	Reserved
4	Reserved

Resolution

The !analyze debug extension displays information about the bugcheck and can be helpful in determining the root cause.