RDRAND on AMD Ryzen 9 5900X is flakey

Re:RDRAND on AMD Ryzen 9 5900X is flakey by chmod775 on Monday January 11, 2021 @05:43PM (#25738722)

Can HN just collectively hold their horses please? That goes for any tech-journalists who may be reading this too.

That github issue contains a bunch of people who aren't even sure whether their methodology makes any sense, yet HN is already taking the title as a foregone conclusion.

In fact the current consensus on that github issue (for probably the next 10 minutes) is "it seems RDRAND is fine after all".

Let the poor people conclude their research before you go and make a big deal out of it. You will cause them great embarrassment if it turns out the cause was something less spectacular.

Thank you.

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Re:RDRAND on AMD Ryzen 9 5900X is flakey by lostmsu on Monday January 11, 2021 @06:07PM (#25739244)

EDIT: From this point people explain that there's no issue with RDRAND (but may be with systemd), and users don't understand birthday paradox: https://github.com/systemd/systemd/issues/18184#issuecomment...

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Re:RDRAND on AMD Ryzen 9 5900X is flakey by holtalanm on Monday January 11, 2021 @06:27PM (#25739613)

i mean, it really isn't hard to scroll down, but hey, here ya go:

https://github.com/systemd/systemd/issues/18184#issuecomment...

edit: this was in reply to the _original_ parent comment, before it was edited, where they asked for a link to the comments stating RDRAND looked fine.

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Re:RDRAND on AMD Ryzen 9 5900X is flakey by chmod775 on Monday January 11, 2021 @06:34PM (#25739726)

Their (holtalanm) parent comment just got edited from a question to a statement, and now this looks really out of context.

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Re:RDRAND on AMD Ryzen 9 5900X is flakey by holtalanm on Monday January 11, 2021 @06:55PM (#25740071)

thanks. really don't like it when people edit their comment to result in _entirely different context_ when there are replies.

frustrating.

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Re:RDRAND on AMD Ryzen 9 5900X is flakey by lostmsu on Monday January 11, 2021 @08:23PM (#25741046)

Sorry, when I started your comment did not exist yet. And after editing, I forgot my original. Best I could do reasonably is add `EDIT` prefix.

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Re:RDRAND on AMD Ryzen 9 5900X is flakey by Avamander on Monday January 11, 2021 @05:54PM (#25738949)

I took it from Poettering's own tweet, sorry if that's misleading. I guess we'll see what the end result is and it'll get fixed thanks to all the attention.

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