Re: An old box running Debian 8
On Sun 15 Nov 2020 at 10:41:55 (+0200), Andrei POPESCU wrote:
> On Sb, 14 nov 20, 16:36:03, Miroslav Skoric wrote:
> > On 11/13/20 9:29 PM, David Wright wrote:
> >
> > > I would have thought that Debian has made kernel testing just about as
> > > easy as they can since:
> > > jessie installs with 3.16 but 4.9 is also available,
> > > stretch installs with 4.9 but 4.19 is also available,
> > > buster installs with 4.19
> > > so there's full overlap. (I've not looked at backports.)
> >
> > That's actually what I also thought about.
> >
> > Btw, when you say 'installs', do you mean a fresh installation only, or it
> > includes a 'forced' kernel update during a distribution upgrade? My old box
> > was installed for the first time in squeeze, then upgraded to wheezy, then
> > to jessie.
By "installs with", I meant the former, ie the version supplied with
the debian-installer. Once you're happy with that version, it's
possible to install the newer version, leaving the old one as a
fallback (assuming the usual things like enough room in /boot, etc).
> It depends on whether you have the corresponding linux-image-<sub-arch>
> package installed or not.
I'm not sure what difference this would make. Looking at all
the linux-image-X86* packages in stretch, they all depend on
linux-image-4.9-* packages.
One minor point: if linux-image-586/linux-image-3.16.0-10-586
is your current kernel version, linux-image-4.9-686 is the
next kernel to try. (For some reason, there was never a non-PAE
version of 3.16.0-*-686 packaged.)
So AFAICT, to upgrade to my "also available" kernels above, you
have to specifically install them. I hesitate to use the term
"force" because that has different connotations for apt/dpkg.
And I wouldn't combine it with a regular distribution upgrade.
In fact, that's the whole point of my posting: to do each kernel
change "long" after a distribution upgrade and "long" before the
next one. ("Long" might be a single day of regression testing the
system to make sure you're happy that everything still works
after the change.)
So the sequence would be:
jessie with 3.16 running ok
new kernel installation
jessie with 4.9 running ok
distribution upgrade
stretch with 4.9 running ok
new kernel installation
stretch with 4.19 running ok
distribution upgrade
buster with 4.19 running ok
Cheers,
David.
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