Re: [FreeBSD-Announce] FreeBSD Errata Notice FreeBSD-EN-18:08.lazyfpu

14/09/18, Re: [FreeBSD-Announce] FreeBSD Errata Notice FreeBSD-EN-18:08.lazyfpu
From: Dave Cottlehuber <dch@skunkwerks.at>

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To: freebsd-questions@freebsd.org
Subject: Re: [FreeBSD-Announce] FreeBSD Errata Notice FreeBSD-EN-18:08.lazyfpu
From: Dave Cottlehuber <dch@skunkwerks.at>
Date: Fri, 14 Sep 2018 09:39:58 +0200
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On Wed, 12 Sep 2018, at 07:43, FreeBSD Errata Notices wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA512
> 
> =============================================================================
> FreeBSD-EN-18:08.lazyfpu                                        Errata Notice
>                                                           The FreeBSD Project
> 
> Topic:          LazyFPU remediation causes potential data corruption

Data Corruption reads a bit like "Imminent SuperNova in Your Area".. I'm
not really sure what it means for users & sysadmins. Given we've had the
original lazyfpu patches out for 11.x for a few months[1]:

- what might data corruption entail?
- has this been observed in the wild?

Many thanks for the efforts into making these patches available.
Dave

[1]: https://www.freebsd.org/security/advisories/FreeBSD-SA-18:07.lazyfpu.asc
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