OpenGL dll is not unloaded on application exit

Products

• VMware vSphere ESXi

Issue/Introduction

Symptoms:

• OpenGL dll (vm3dgl.dll or vm3dgl64.dll) is not unloaded on application exit
• Application stops responding on exit. It is possible for this issue to impact a VM without 3D acceleration enabled

Environment

VMware Tools 11.x

Cause

Llvmpipe which is used on 2D VM for OpenGL application is not unloading properly.

Resolution

The resolution for this issue is available:

• In VMware Tools release 11.2.6 and later. For more information, see VMware Tools 11.2.6 Release Notes.

OR

• On Windows Update as an optional driver update, listed as "VMware, Inc. - Display - 8.17.2.14"

To install the driver, go to Settings > Update & Security > View Optional Updates > Driver Updates.

Workaround:
To workaround the issue, you can either:

• Disable the use of llvmpipe by adding this virtual machine config option to the VM's VMX file: guestinfo.svga.disableLLVMPipe=TRUE

or

• Set a system environment variable SVGA_ALLOW_LLVMPIPE=0