Date: Sun, 4 Feb 2018 06:56:48 +0100 From: Ralf Mardorf <ralf.mardorf@rocketmail.com> To: freebsd-questions@freebsd.org Subject: Re: Response to Meltdown and Spectre Message-ID: <20180204065648.1a73ec2a@archlinux.localdomain> In-Reply-To: <53029.108.68.160.114.1517707316.squirrel@cosmo.uchicago.edu> References: <CY1PR01MB12472D916F78A638731ECCE68FFB0@CY1PR01MB1247.prod.exchangelabs.com> <23154.11945.856955.523027@jerusalem.litteratus.org> <5A726B60.7040606@gmail.com> <92120E50-19A7-4A44-90DF-505243D77259@kreme.com> <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>
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On Sat, 3 Feb 2018 19:21:56 -0600 (CST), Valeri Galtsev wrote: >On Sat, February 3, 2018 7:00 pm, Christian Weisgerber wrote: >> On 2018-02-03, "Valeri Galtsev" <galtsev@kicp.uchicago.edu> wrote: >> >>> With all due respect, one person saying, it didn't affect me, >>> doesn't prove it is not disastrous for somebody else. Even if it is >>> one machine out of thousand that is "bricked" for some time, it is >>> a disaster for sysadmin who has that machine as a production >>> server >> >> Of course, but who at all is saying that Intel's microcode updates >> have "bricked" any machines? This appears to be an entirely spurious >> claim, based on nothing other than grievous exaggeration that turns >> "higher system reboots" into "bricked". You guys are talking each >> other into a frenzy of fear over nothing. > >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. > >I bet I am not the only sysadmin with this point of view. That is why I >said production server is by no means comparable to sobody's home >workstation. But I bet many people have the same attitude to their home >workstations as I have to servers I am responsible for. Well, I for one >have the same attitude to all my computers, including laptops, and as a >sysadmin - to all computers of people I support. > >Of course, some people may have different point of view on this, which >does not deprive me of expecting from my hardware to work without >"glitches". > >My apologies for being edgy. These things make me such. > Valeri, consider to run a server for testng purpose based upon an Intel CPU, but don't use Meltdown and Spectre fixes, then try to get unauthorised access via a network, by using the Meltdown and Spectre vulnerability. Please, after doing so, report back.
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