WDDM PnPStop Test - Update and Rollback

Note This content applies to the Windows Logo Kit (WLK). For the latest information using the new Windows Hardware Certification Kit (HCK), see Windows HCK User's Guide on the Windows Hardware Dev Center.

Type: Automated test

Overview

This test updates the driver to the same version, and then rolls back to the version that is currently installed. By doing so, it verifies that the driver does not hold any resources, and allows for clean driver updates and rollbacks without restarting the system.

Details

Run time: Less than 1 minute

Log file: PnPStop.xml

System restart required: No

Supported operating systems for logo or signature testing:

  • Windows 7

  • Windows Server 2008 R2

  • Windows Vista

  • Windows Server 2008

Program: PnPStop.exe

Requirements

Software Requirements

The test tool requires the following software:

  • Supported operating system (see list above)

  • Software components included with the device that is being tested

Hardware Requirements

The test tool requires the following hardware:

  • Device to be tested

  • Computer that meets the minimum software requirements

  • Windows keyboard

  • Two-button pointing device

  • Color display monitor capable of at least 1024 by 768 resolution, 32-bits per pixel, 60 Hz

  • Hard disk drive with a minimum of 20 GB available on partition C:

Processor

The test tool runs on the following processor architectures:

  • x86

  • x64

Running the Test

Note This content applies to the Windows Logo Kit (WLK). For the latest information using the new Windows Hardware Certification Kit (HCK), see Windows HCK User's Guide on the Windows Hardware Dev Center.

All tests return PASS.

Command Syntax

Command option Description

PnPStop.exe

Without any options, the command lists options.

UpdateDriver [file]

Starts the application and runs the update driver task. If no file is specified, uses the currently installed driver.

RollbackDriver

Rolls back the driver.

Code Tour

File Manifest

File Location

PnPStop.exe

[testbinroot]\NTTEST\WINDOWSTEST\Graphics\wddm\bin

Build date: 9/14/2012