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

[Matthias Julius <lists@julius-net.net>]

Antti-Juhani Kaijanaho <antti-juhani@kaijanaho.fi> writes:

> On Mon, Apr 09, 2007 at 03:51:54PM +0200, Alexander Schmehl wrote:
>> The multiarch media still has a small problem:  for i386/amd64 they are
>> no "fire and forget" thing;  you still need to find out if you have an
>> amd64 compatible system and start the amd64 boot process by hand.
>> 
>> It would be really cool, if that could be autodetected... but I don't
>> know how that could be done.
>
> Check if the processor has support for long mode?  AIUI it only takes a
> bit of assembler to do it (on a Linux system you can look for "lm" in
> /proc/cpuinfo, but I suspect this has to be done before Linux is
> booted).

Does d-i need to run in 64bit mode to be able to install a amd64
system?

Matthias