This is not a regression. Tested in //UE5/Release-5.0 CL20379098
Editor crashes with an assertion after executing the command r.RHIThread.Enable 2
Expected Results:
A warning to prevent the command since 1 or 0 is expected, or RHIThread would start running on that dedicated thread.
Actual Results:
The editor crashes with an assertion:
Assertion failed: GRHICommandList.OutstandingCmdListCount.GetValue() == 1 [File:D:\build\++UE5\Sync\Engine\Source\Runtime\RHI\Public\RHICommandList.h] [Line: 5221] Expected only 1 outstanding RHI command list. Outstanding: 2
Assertion failed: GRHICommandList.OutstandingCmdListCount.GetValue() == 1 [File:D:\build\++UE5\Sync\Engine\Source\Runtime\RHI\Public\RHICommandList.h] [Line: 5221] Expected only 1 outstanding RHI command list. Outstanding: 2
UnrealEditor-RHI!7fffbdd10000 + 4a03d UnrealEditor-RHI!7fffbdd10000 + 8d283 UnrealEditor!7ff712140000 + 180af UnrealEditor!7ff712140000 + 1bf31 UnrealEditor!7ff712140000 + 1e55a UnrealEditor-Core!FNamedTaskThread::ProcessTasksNamedThread(int,bool) [TaskGraph.cpp:760] UnrealEditor-Core!FNamedTaskThread::ProcessTasksUntilQuit(int) [TaskGraph.cpp:649] UnrealEditor-RenderCore!7fff68b70000 + 18f0f4 UnrealEditor-RenderCore!7fff68b70000 + 193444 UnrealEditor-Core!FRunnableThreadWin::Run() [WindowsRunnableThread.cpp:149] UnrealEditor-Core!FRunnableThreadWin::GuardedRun() [WindowsRunnableThread.cpp:79] KERNEL32!7fffe6900000 + 17614 ntdll!7fffe7b30000 + 526a1
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-174612 in the post.
| 1 |
| Component | UE - Rendering Architecture - RHI |
|---|---|
| Affects Versions | 5.1 |
| Target Fix | 5.4 |
| Fix Commit | 29402538 |
|---|
| Created | Jan 19, 2023 |
|---|---|
| Resolved | Nov 15, 2023 |
| Updated | Feb 29, 2024 |