This is an early crash coming out of 4.18 that appears to occur when launching projects onto Android devices. It also seems frequently related to ARCore.
User Descriptions
repro steps currently unconfirmed, but one user mentions it occurs when launching the ARCore [Link Removed] to a device.
Illegal instruction - code c000001d (first/second chance not available) ispc_texcomp!<Unknown> UE4Editor_TextureFormatIntelISPCTexComp!__delayLoadHelper2() [delayhlp.cpp:363] UE4Editor_Core!FGraphEvent::CreateGraphEvent() [taskgraph.cpp:1566] UE4Editor_TextureFormatIntelISPCTexComp!_tailMerge_ispc_texcomp_dll() UE4Editor_TextureFormatIntelISPCTexComp!IntelASTCCompressScans() [textureformatintelispctexcomp.cpp:523] UE4Editor_TextureFormatIntelISPCTexComp!FAsyncTask<`FMultithreadedCompression<FASTCEncoderSettings>::Compress'::`5'::FIntelCompressWorker>::DoWork() [asyncwork.h:264] UE4Editor_TextureFormatIntelISPCTexComp!FAsyncTask<`FMultithreadedCompression<FASTCEncoderSettings>::Compress'::`5'::FIntelCompressWorker>::DoThreadedWork() [asyncwork.h:288] UE4Editor_Core!FQueuedThread::Run() [threadingbase.cpp:451] UE4Editor_Core!FRunnableThreadWin::Run() [windowsrunnablethread.cpp:76]
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-51595 in the post.
| 1 |
| Component | UE - Platform - Mobile |
|---|---|
| Affects Versions | 4.18 |
| Created | Oct 25, 2017 |
|---|---|
| Resolved | Nov 13, 2017 |
| Updated | Sep 16, 2019 |