Mailinglist Archive: opensuse-factory (249 mails)

[Eberhard Moenkeberg <emoenke@xxxxxxx>]

Hi,

On Mon, 8 Feb 2010, Stefan Seyfried wrote:
> On Sun, 07 Feb 2010 22:45:22 +0100
> "Carlos E. R." <carlos.e.r@xxxxxxxxxxxx> wrote:

> > Has anybody done this, an upgrade from 32 to 64 bits? Does it work? Is it 
> > "supported"?
>
> I guess it is not officially supported, but If you know what you are
> doing, you could probabyly make it work.
>
> The problem is, IIUC, that you need a system that's halfway consistent
> and capable of running binaries throughout the update. As soon as an
> important (to the rest of the update process) binary is updated to 64
> bit, you are screwed.
>
> I guess you could work around that by upgrading important packages
> upfront:
> * kernel (the 64bit kernel should be able to run a 32bit userland
>  without changes)
> * glibc (after rebooting into the 64bit kernel) and corresponding
>  glibc-32bit compat libraries
> * maybe rpm
>
> After that, it might work. Keep us posted on your success.
> I might actually try this in a virtual machine one day, sounds
> interesting ;)

It should work without any special preparations if you boot "from outside" 
to do the update 32 -> 64.


Viele Gruesse
Eberhard Moenkeberg (emoenke@xxxxxxx, em@xxxxxxx)

--
Eberhard Moenkeberg
Arbeitsgruppe IT-Infrastruktur
E-Mail: emoenke@xxxxxxx      Tel.: +49 (0)551 201-1551
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