This is not related to syscall vs libc. OpenBSD 6.4 requires stacks to be mapped with MAP_STACK, so it requires a runtime change. I’m not sure how using libc wo

This is not related to syscall vs libc. OpenBSD 6.4 requires stacks to be mapped with MAP_STACK, so it requires a runtime change. I’m not sure how using libc would have prevented this Ref: https://github.com/golang/go/issues/26142 https://github.com/golang/go/issues/26142