Description

 

 Should be related to Groom hair simulation (doesn't crash if hair sim is disabled)

Also attaching log files from licensee if that's helpful.

 

Steps to Reproduce
  1. Open attached project GroomCrash.zip with UE4.25
  2. Open level "Main"
  3. Drag a tab (e.g. Project Settings) near the main viewport "Main", so that when Project Settings tab is shown, main viewport gets hidden into the background.
    (I''ve attached a gif if this sounds confusing)
  4. Wait for 2 seconds then switch back to Main

 

Expected:

Nothing happens

Reality:

"GPU Crashed or D3D Device Removed."

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-93945 in the post.

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Won't Fix
ComponentUE - Graphics Features
Affects Versions4.25
Target Fix4.25.4
CreatedJun 4, 2020
ResolvedSep 16, 2020
UpdatedSep 19, 2021