linux-kernel - Re: Bricked x86 CPU with software?

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Message-ID: <20180104224018.GA20860@amd>
Date:   Thu, 4 Jan 2018 23:40:18 +0100
From:   Pavel Machek <pavel@....cz>
To:     Tim Mouraveiko <tim.ml@...opper.com>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: Bricked x86 CPU with software?

On Thu 2018-01-04 14:13:56, Tim Mouraveiko wrote:
> > > As I mentioned before, I repeatedly and fully power-cycled the motherboard and reset BIOS
> > > and etc. It made no difference. I can see that the processor was not drawing any power. The
> > > software code behaved in a similar fashion on other processors, until I fixed it so that it would
> > > not kill any more processors.
> > > 
> > 
> > So you have code that killed more than one processor? Save it! We want
> > a copy.
> > 
> > Do you have model numbers of affected CPUs?
> 
> 
> Why would you want a copy? Last time I checked bricked CPUs do not work well, even as 
> decorations.
> 
> I believe the processors were Intel Xeon series. The code would likely run on others too.

Well... Intel's shares are overpriced, and you have code to fix that
:-).

Actually... I don't think your code works. That's why I'm curious. But
if it works, its rather a big news... and I'm sure Intel and cloud
providers are going to be interested.

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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