Description

Vulkan Multibuffer Lock mechanism for ReadOnly does not appear to be implemented. Temporary workaround has been provided to licensee.

Steps to Reproduce

1. Download this asset UDN-4221-crash-vulkan.zip[Image Removed] (although it appears any particle emitter will probably cause the same issue).
2. Load asset into a project/template.
3. Open editor and place the asset in the scene.
4. Open the asset material editor, select Bounds->Set Fixed Bounds
5. Crash with callstack is seen (see UDN)

Have Comments or More Details?

There's no existing public thread on this issue, so head over toAnswerHub just mention UE-78147 in the post.

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Fixed
ComponentRendering - RHI
Affects Versions4.22.3
Target Fix4.23
Fix Commit7933105
Main Commit7935793
Release Commit7933105
CreatedJul 31, 2019
ResolvedAug 9, 2019
UpdatedSep 9, 2019