# \#illegal-instruction

**URL:** https://discourse.julialang.org/tag/illegal-instruction/1630.md

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## [Crash: illegal instruction 4, StackOverflowError, or freeze](https://discourse.julialang.org/t/crash-illegal-instruction-4-stackoverflowerror-or-freeze/116754)

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**Author:** [@ryofurue](https://discourse.julialang.org/u/ryofurue)\
**Replies:** 5\
**Last updated:** [July 9, 2024, 4:39am UTC](https://discourse.julialang.org/t/crash-illegal-instruction-4-stackoverflowerror-or-freeze/116754 "2024-07-09T04:39:37Z")

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\[Edit 2: I’ve just posted a small program that reproduces this error in a separate message below.\] Can someone give me advice as to how to proceed when Julia crashes? At first, I got the following error \[8865\] signal…