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Re: Pushing multi-arch media (Re: blockers for 64-bit adoption)

lsorense@csclub.uwaterloo.ca (Lennart Sorensen) writes:

> On Mon, Apr 09, 2007 at 12:37:16PM -0400, Matthias Julius wrote:
>> Does d-i need to run in 64bit mode to be able to install a amd64
>> system?
> It needs a 64bit kernel to run 64bit binaries, and since many post
> installs run binaries, I would say yes it does.

Yes, post-installs are a problem.

> You could probably isntall 32bit using a 64bit kernel though, so if the
> boot laoder for the installer always loaded a 64bit kernel on any cpu
> capable of running it, then you could still let people pick which they
> want.

If you can detect whether the CPU supportst 64bit before booting the
kernel then the problem doesn't exist.

Can Grub be set up in a way that it falls back on booting a 32-bit
kernel if the 64-bit one doesn't boot?


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