As a software engineer I have a wide variety of tests to my disposal. Still, there are things which I would not be able to test for. EM interference between chips in a data center. Row-hammer attacks. Clock jitter. My running processes would fail, but there is no way for me to prove a specific cause.
So we search deeper. And sometimes we find something: https://mylongcoviddiaries.medium.com/i-finally-have-a-diagn...