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Date:      Mon, 05 Feb 2018 16:19:43 +0000
From:      Frank Leonhardt <frank2@fjl.co.uk>
To:        freebsd-questions@freebsd.org
Subject:   Re: Response to Meltdown and Spectre
Message-ID:  <9db8908e8c86efddcab5b768fcde1f24@roundcube.fjl.org.uk>
In-Reply-To: <20180205155721.GA2938@c720-r314251>
References:  <CA%2BtpaK2o1nbY2W2JVRtogN=P2VM9rag_dodK=GtLWgKwNsYZkg@mail.gmail.com> <F395799E-2C94-47E9-AA1C-5CB075C50076@kreme.com> <044e62f7-69ca-71fe-34a8-5c5cafc06f08@yahoo.com> <slrnp7bpa3.2k8.naddy@lorvorc.mips.inka.de> <0520dd84-c00c-fbf2-da1c-f6ff4c63739d@yahoo.com> <20180203224612.GA10517@milliways.localdomain> <51178.108.68.160.114.1517699531.squirrel@cosmo.uchicago.edu> <slrnp7cmpn.5vo.naddy@lorvorc.mips.inka.de> <53029.108.68.160.114.1517707316.squirrel@cosmo.uchicago.edu> <20180205143720.d4d98011.freebsd@edvax.de> <20180205155721.GA2938@c720-r314251>

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On 2018-02-05 15:57, Matthias Apitz wrote:
> El día lunes, febrero 05, 2018 a las 02:37:20p. m. +0100, Polytropon 
> escribió:
> 
>> > For all production server I run any reboot that is not scheduled by admins
>> > is ultimate disaster, so it is equivalent to "bricked" machine. That
>> > hardware can not be further used as production server, but "mere" fact or
>> > reboot is ultimate disaster itself.
>> 
>> While this is not the established meaning of "bricked", it it
>> definitely an understandable (!) interpretation of the term.
> 
> For me "bricked" in addition to "unusable" means: there is no software
> way any more to change the fault because the hardware does not boot up
> into a state where it could read(...) any attempts to change somethinb. 
> The
> device is now "dark" and does not communicate anymore by no means.
> 
> Only a hardware change (for example replace some chip) would help.

I'd go further - something is only bricked to me when I can't fix it 
using a rework station. It's been done...

HOWEVER, Polytropon et al make a very good point - if the software 
update means the device is no longer usable for its intended purpose 
then it might as well have bricked it. The effect is the same.




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