Upgrading from an old athlon to a new 64 bit one.

[Garrett Cooper]

eculp at unixmania.com wrote:
> Quoting RW <fbsd06 at mlists.homeunix.com>:
>
>> On Thu, 28 Jun 2007 10:12:39 -0500
>> eculp at unixmania.com wrote:
>>
>>
>>> What I am trying to do is compile an amd64 kernel, install it and
>>> see what happens ;) I can always go back to the generic kernel
>>> compiled in sys/i386.
>>
>> amd64 and i386 are different platforms in the same sense that sparc64
>> and ppc are different platforms. An AMD 64 is not back-compatible to
>> pentium pro code  when it's in 64-bit mode. Whilst 32-bit binaries can
>> be run on the amd64 platform, they need special handling, you can't
>> just mix-and-match world and kernel platforms.
>
> Thanks, RW.  I had assumed that and had hoped to run my make 
> buildworld, make buildkernel, mergemaster, make installkernel and make 
> installworld then upgrade all ports.
>
> The problem is that I haven't been able to figure out, how to build 
> using all amd64.
>
> Again very dumb on my part, I'm sure.
>
> ed
As RW has said before it's possible. However, it's better and no doubt 
quicker to go about starting from scratch.
-Garrett