Description

Massive memory leak occurs when using dx11 in the VR Template. The memory leak maxed at 18GB after hour and a half. This issue does not happen with dx12, Metal or Vulkan. Issue does not occur when Instance Stereo is turned off.

Steps to Reproduce
  1. Open UE5 and create a VR Template
  2. Set default RHI to DirectX11
  3. Restart Engine
  4. Open task manager, click back into the engine's viewport
  5. Monitor for an hour

Actual Result: Massive memory leak occurs within the first hour of idle engine.
Expected Result: Engine caps the memory use so no memory leaks occur

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-150571 in the post.

6
Login to Vote

Fixed
ComponentUE - Rendering
Affects Versions5.0
Target Fix5.0.3
Fix Commit20647711
Main Commit20656858
CreatedApr 28, 2022
ResolvedJun 14, 2022
UpdatedJun 30, 2022