On 3 February 2018 at 21:43, Michael Fothergill <
michael.fotherg...@gmail.com> wrote:

>
>
> On 3 February 2018 at 17:12, David Wright <deb...@lionunicorn.co.uk>
> wrote:
>
>> On Sat 03 Feb 2018 at 07:47:43 (+0000), Michael Fothergill wrote:
>> > On 2 February 2018 at 04:35, Andy Smith <a...@strugglers.net> wrote:
>> >
>> > > Hello,
>> > >
>> > > On Thu, Feb 01, 2018 at 11:53:36AM +0000, Michael Fothergill wrote:
>> > > > Thus for anyone in the entire world who is new to linux,the most
>> > > > efficient route at present could well be to install Fedora and be
>> > > > stable and spectre protected out of the box rather than taking on
>> > > > the indefatigable odyssey of installing Debian and waiting for
>> > > > Debian security team to find solutions at whatever pace is
>> > > > possible given the way the distro is currenty set up.
>> > >
>> > > "The way the distro is [currently] set up" is that the upstream
>> > > Linux kernel project will provide backports to long term supported
>> > > kernel versions and these will get folded into Debian stable as a
>> > > security update. What you call an "indefatigable odyssey" will for
>> > > the average Debian user be an unremarkable kernel upgrade.
>> >
>> >
>> > ​I think it could be a remarkable or noticeable thing  ​to a new debian
>> or
>> > linux user who
>> > was interested to apply the latest available solution for e.g. spectre
>> > together
>> > with meltdown promptly to relatively standard installation.
>>
>> That is an unrealistic expectation, which can be seen by comparison
>> with other walks in life. Regular airline pilots have to train and
>> graduate to become test pilots.
>>
>> > If that is possible now in e.g. Fedora it is not unreasonable to want
>> it to
>> > exist
>> > in Debian from my point of view.
>>
>> Fedora should not be compared with Debian stable:
>>
>> "We recognize that there is also a place for long-term stability in the
>> Linux ecosystem, and that there are a variety of community-oriented
>> and business-oriented Linux distributions available to serve that
>> need. However, the Fedora Project’s goal of advancing free software
>> dictates that the Fedora Project itself pursue a strategy that
>> preserves the forward momentum of our technical, collateral, and
>> community-building progress. Fedora always aims to provide the future,
>> first."
>>
>> > Perhaps the average debian user may not be that bothered about the
>> problem,
>> > but a new debian user really did take the trouble to email on the site
>> here
>> > and ask us about this very thing.
>> >
>> > And so, as peculiar as it seem to some people, I am
>> > trying to consider what would work practically for such individuals.
>>
>> Last month, you posted around 75 contributions to this thread and its
>> colleagues, so it's difficult to be sure of exactly who you mean
>> without a reference, but I'm going to hazard a guess: the person
>> technically at the top of this thread, Dextin Jerafmel.
>>
>
>
>
>>
>> If that is the case, then the "very thing" they asked was how to
>> recognise and install the latest version of the kernel in Debian
>> stable (9.3) because they weren't yet familiar with the difference
>> between kernel version numbers (including the ABI version) and
>> Debian versions.
>>
>> ​The title of the post "​
> Kernel for Spectre and Meltdown
> ​" was created by the OP
> He also wrote: ​"But in Your site You've mentioned Kernel for Debian
> Stretch is 4.9.65 and You updated it for Spectre and Meltdown bugs"
>
> It does not seem unreasonable that he would be interested in installing
> kernels that address this problem and others could be as well.
>
> If you want to address the spectre vulnerability, which he has referred to
> in his post, you need a recent kernel.
>
>
>
>> > And there
>> > > will hopefully be minimal breakage because a lot of people will have
>> > > tested it first.
>> > >
>> >
>> > ​If it took e.g. 2 years of testing it before it would be released I am
>> > sure it would be fine in terms of stability etc.
>> > But would that be efficient here?​
>>
>> So 2 years is your Aunt Sally.
>>
>
> ​No, I am aware that the problems could be addressed more quickly than
> that as was pointed out to me and I acknowledged in earlier posts.
> I am trying to suggest one would want to move faster than the approximate
> cycle time of new stable releases here.
> ​
>
>
>>
>> > > You appear to have a level of paranoia that requires you to build
>> > > the latest kernel release with the latest GCC, and that has
>> > > motivated you to learn how to do that on Debian, but I feel sure
>> > > that that is not where the average Debian user is coming from.
>> > >
>> >
>> > Paranoia was not the motivation on my part at all here.  I could see
>> that
>> > kernel installations
>> > was easy in gentoo, and this prompted me to see how easy it would be in
>> > Debian.​
>> >
>> >
>> > >
>> > > As you've seen, the method is there for you to do what you have
>> > > decided you need to do. Or for the curious who want a learning
>> > > experience.
>> >
>> >
>> > ​I think the method is not really fit for purpose at present.​
>>
>> >From the sorts of difficulties you've reported having here, I'm
>> wouldn't be likely to use your experiences as a basis for judgment.
>>
>
> ​That is a perfectly fair comment.  But I am not concerned for myself here.
> I am concerned about new users and what they would have to to install the
> current
>
​(should say "what they would have to do" above)​

> kernels (ie use a separate live sid distribution (correctly and helpfully
> referred to by Andy) to compile the new kernel
> and then transfer it to the stable install).
>
> That does not seem to me to be ideal for a new user.  Hence my comment
> about it not being fit for purpose
> at present.  It has been suggested to me others on the site that
> eventually the GCC 7.3 compiler might be
> introduced into Debian Buster whereupon it could be used to compile the
> latest kernels.
>
> At that point I would say that it would not be right to that the method
> was not fit purpose etc.  it might
> not be ideal but it be so bad then.
>

​I meant to write that "it might not be ideal but it would not be so bad
then".

Cheers

MF​


>
> ​
>
>
>>
>> > > But with Meltdown dealt with by KPTI (already in the
>> > > stable release) and the obvious javascript issues worked around by
>> > > the browsers, you have to weigh up the risk of pushing hasty fixes
>> > > into a stable kernel (and GCC) release.
>> > >
>> >
>> > ​For me that is too much "odyssey" for the maximal efficiency for new
>> > users.​
>>
>> Which new users are going on what odyssey? I can see that you've been
>> on one, that's true.
>>
>
> ​Again my odyssey is unimportant here.  I don't known if there are
> any new users going on an odyssey (e,g, compiling and installing the
> latest kernel from a live sid DVD etc).
>
> The odyssey is debian itself as I see it.​
>
> ​Cheers
>
> MF
>
>
>
>>
>> > > I don't think the sky has fallen just yet but if you do want to see
>> > > the sky fall, push out a buggy Debian stable kernel package.
>> >
>> >
>> > ​I don't see why it would need to be that buggy really.​
>>
>> "Need to be that buggy"? What do you mean? The Debian stable kernel
>> package should be as bug-free as possible. That requires hard work
>> and patience. Falling over oneself in the rush to apply a fix would
>> be counterproductive and could ruin reputation.
>>
>> Cheers,
>> David.
>>
>>
>

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