Packaged game crashes when launched with the -dx12 option and PixelStreaming is enabled.
Found in 4.22 CL# 5660361 and 4.23 CL# 5704223
Results:
The following error will appear "Assertion failed: Result == NC_ENC_SUCCESS Unable to open NvEnc encoding session (status: 2)"
Expected:
No Crash would occur
[2019.04.03-17.34.20:166][ 0]LogWindows: Windows GetLastError: The operation completed successfully. (0) [2019.04.03-17.34.20:166][ 0]LogWindows: Error: === Critical error: === [2019.04.03-17.34.20:166][ 0]LogWindows: Error: [2019.04.03-17.34.20:167][ 0]LogWindows: Error: Fatal error: [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\RenderCore\Private\RenderingThread.cpp] [Line: 819] [2019.04.03-17.34.20:167][ 0]LogWindows: Error: Rendering thread exception: [2019.04.03-17.34.20:167][ 0]LogWindows: Error: Assertion failed: Result == NV_ENC_SUCCESS [File:D:\Build\++UE4\Sync\Engine\Plugins\Experimental\PixelStreaming\Source\PixelStreaming\Private\NvVideoEncoder.cpp] [Line: 200] [2019.04.03-17.34.20:167][ 0]LogWindows: Error: Unable to open NvEnc encoding session (status: 2) [2019.04.03-17.34.20:167][ 0]LogWindows: Error: [2019.04.03-17.34.20:167][ 0]LogWindows: Error: [2019.04.03-17.34.20:167][ 0]LogWindows: Error: [Callstack] 0x00007ffe0cbb5549 KERNELBASE.dll!UnknownFunction [] [2019.04.03-17.34.20:167][ 0]LogWindows: Error: [Callstack] 0x00007ff73b19ba77 NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:167][ 0]LogWindows: Error: [Callstack] 0x00007ff73b19e453 NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:167][ 0]LogWindows: Error: [Callstack] 0x00007ff73afca70a NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:167][ 0]LogWindows: Error: [Callstack] 0x00007ff73af579b9 NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:167][ 0]LogWindows: Error: [Callstack] 0x00007ff73af57d49 NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:167][ 0]LogWindows: Error: [Callstack] 0x00007ff73e8ec48d NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:167][ 0]LogWindows: Error: [Callstack] 0x00007ff73a922087 NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:167][ 0]LogWindows: Error: [Callstack] 0x00007ff73a92d3a5 NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:167][ 0]LogWindows: Error: [Callstack] 0x00007ff73a92361b NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:167][ 0]LogWindows: Error: [Callstack] 0x00007ff73a9337f4 NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [Callstack] 0x00007ff73a92ed06 NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [Callstack] 0x00007ff73c92cd97 NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [Callstack] 0x00007ff73c9336f1 NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [Callstack] 0x00007ff73adffcdd NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [Callstack] 0x00007ff73adfff33 NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [Callstack] 0x00007ff73c67c584 NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [Callstack] 0x00007ff73c67f7cf NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [Callstack] 0x00007ff73b1aec8f NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [Callstack] 0x00007ff73b1aaa97 NotRT.exe!UnknownFunction [] [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [Callstack] 0x00007ffe0ddc81f4 KERNEL32.DLL!UnknownFunction [] [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [Callstack] 0x00007ffe100fa251 ntdll.dll!UnknownFunction [] [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [2019.04.03-17.34.20:168][ 0]LogWindows: Error: [2019.04.03-17.34.20:177][ 0]LogExit: Executing StaticShutdownAfterError [2019.04.03-17.34.20:179][ 0]LogWindows: FPlatformMisc::RequestExit(1) [2019.04.03-17.34.20:182][ 0]Log file closed, 04/03/19 13:34:20
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-72268 in the post.