On Wednesday 20 June 2018 at 16:27:19, Arnt Karlsen wrote:
> On Wed, 20 Jun 2018 12:21:21 +0200, Adam wrote in message
>
> <[email protected]>:
> > On Wed, Jun 20, 2018 at 07:09:12AM +0200, aitor_czr wrote:
> > > El 20/06/18 a las 02:16, Ozi Traveller escribió:
> > > > Are the 32bit images 586 or 686?
> > > >
> > > > I think the Jessie images were 586.
> > >
> > > linux-4.9.x is built in 686 and 686-pae
> >
> > And more importantly, userland packages are built using 686
> > instructions. Replacing or using an old kernel is trivial, rebuilding
> > the world is not.
>
> ..i386, i486 or i586 kernels can now chew i686 userland?
> I could believe it can build them from source.
No, I think Adam's point was that if you have a 686 kernel on a 386 machine,
replacing it for a 386 kernel is easy (relatively speaking), but if you have
the complete system binaries and libraries built for 686 on a 386 machine,
replacing that lot is basically a re-install.
> ..do we have "world rebuilder" software or scripts that can find
> "wrong arch userland", fetch its source package, "rebuild this
> part of the world" and install it, and optionally upload it to
> "a community upload mirror site"? Might help speed up things...
I think if anyone runs into the problem that they've installed a 686 binary or
library onto a 386 machine, they'll have installed hundreds, so the machine is
unlikely to be able to claw its own way out of the hole.
Better to try having a check in the installer to say "the architecture you
selected will not run on this hardware - do yoou really want to continue?"
(which you might do, for example, if you're installing a system onto a disk
which is going to go into another machine...)
Antony.
--
She did not swoon, but she did get a look on her face that said 'This
conversation is over', which Jack took as a sign he was going in the right
direction.
- Neal Stephenson, Quicksilver
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