MacOS catalina 10.15.4 UE4 4.24(4.25). iMac pro Graphics card：Radeon Pro Vega 64
- Create a new shader, open (tessellation-d3d11tessellation - select ‘flat tessellation mode’, tick (crack free display), remove (adaptive tessellation),
- Add the subdivision value on the material node, the computer will be stuck, and ue4.24 will exit.
3.ue4 4.25 It’s the same
**
error code：**
LoginId:1252dcde874b48e1cd17ad8a91056746
EpicAccountId:5a4cf05b3ef24b168e32d6bf01c1b120
Fatal error: [File:/Users/build/Build/++UE4/Sync/Engine/Source/Runtime/Apple/MetalRHI/Private/MetalCommandList.cpp] [Line: 192] Command Buffer Prologue BasePass Failed with Internal Error! Error Domain: MTLCommandBufferErrorDomain Code: 1 Description Internal Error (IOAF code 1) Unknown Unknown
FGenericPlatformMisc::RaiseException(unsigned int) Address = 0x108c32347 (filename not found) [in UE4Editor-Core.dylib]
FMacErrorOutputDevice::Serialize(char16_t const*, ELogVerbosity::Type, FName const&) Address = 0x108d95d40 (filename not found) [in UE4Editor-Core.dylib]
FOutputDevice::LogfImpl(char16_t const*, …) Address = 0x108e94aa9 (filename not found) [in UE4Editor-Core.dylib]
ReportMetalCommandBufferFailure(mtlpp::CommandBuffer const&, char16_t const*, bool) Address = 0x150394b32 (filename not found) [in UE4Editor-MetalRHI.dylib]
MetalCommandBufferFailureInternal(mtlpp::CommandBuffer const&) Address = 0x1503c392c (filename not found) [in UE4Editor-MetalRHI.dylib]
HandleMetalCommandBufferError(mtlpp::CommandBuffer const&) Address = 0x1503928ab (filename not found) [in UE4Editor-MetalRHI.dylib]
HandleAMDMetalCommandBufferError(mtlpp::CommandBuffer const&) Address = 0x1503927f5 (filename not found) [in UE4Editor-MetalRHI.dylib]
FMetalCommandList::HandleMetalCommandBufferFailure(mtlpp::CommandBuffer const&) Address = 0x15039262a (filename not found) [in UE4Editor-MetalRHI.dylib]
invocation function for block in FMetalCommandList::Commit(mtlpp::CommandBuffer&, TArray<ns::Object<void (mtlpp::CommandBuffer const&) block_pointer, (ns::CallingConvention)1>, TSizedDefaultAllocator<32> >, bool, bool) Address = 0x15039568f (filename not found) [in UE4Editor-MetalRHI.dylib]
invocation function for block in mtlpp::CommandBuffer::AddCompletedHandler(void (mtlpp::CommandBuffer const&) block_pointer) Address = 0x150345bc4 (filename not found) [in UE4Editor-MetalRHI.dylib]
MTLDispatchListApply Address = 0x7fff335facde (filename not found) [in Metal]
-[_MTLCommandBuffer didCompleteWithStartTime:endTime:error:] Address = 0x7fff335fb163 (filename not found) [in Metal]
-[MTLIOAccelCommandBuffer didCompleteWithStartTime:endTime:error:] Address = 0x7fff335fafc8 (filename not found) [in Metal]
-[_MTLCommandQueue commandBufferDidComplete:startTime:completionTime:error:] Address = 0x7fff335faeb7 (filename not found) [in Metal]
__53-[MTLIOAccelCommandQueue submitCommandBuffers:count:]_block_invoke.19 Address = 0x7fff335fadad (filename not found) [in Metal]
ioAccelCommandQueueBlockFenceCallback Address = 0x7fff52cf138a (filename not found) [in IOAccelerator]
IODispatchCalloutFromCFMessage Address = 0x7fff30e647be (filename not found) [in IOKit]
_IODispatchCalloutWithDispatch Address = 0x7fff30e6463f (filename not found) [in IOKit]
dispatch_mig_server Address = 0x7fff67ff83d4 (filename not found) [in libdispatch.dylib]
_dispatch_client_callout Address = 0x7fff67fe1658 (filename not found) [in libdispatch.dylib]
_dispatch_continuation_pop Address = 0x7fff67fe3818 (filename not found) [in libdispatch.dylib]
_dispatch_source_invoke Address = 0x7fff67ff34be (filename not found) [in libdispatch.dylib]
_dispatch_lane_serial_drain Address = 0x7fff67fe6af6 (filename not found) [in libdispatch.dylib]
_dispatch_lane_invoke Address = 0x7fff67fe75d6 (filename not found) [in libdispatch.dylib]
_dispatch_workloop_worker_thread Address = 0x7fff67ff0c09 (filename not found) [in libdispatch.dylib]
_pthread_wqthread Address = 0x7fff6823ba3d (filename not found) [in libsystem_pthread.dylib]
start_wqthread Address = 0x7fff6823ab77 (filename not found) [in libsystem_pthread.dylib]