Question about AMD64 and 64 bit installation

Ewan Mac Mahon ewan at macmahon.me.uk
Sun Nov 27 23:19:10 UTC 2005


On Sun, Nov 27, 2005 at 08:55:28PM +0100, Oliver Grawert wrote:
> On So, 2005-11-27 at 13:26 -0600, Hall family wrote:
> > I don't know where you see "k8" but there is no k8 in the standard
> > breezy repositorys
> it is in warty, hoary, breezy and dapper since ubuntu exists ...
> indeed, you wont see it if you only have the i386 ubuntu version
> installed, packages are architecture specific...

And of course, vice versa - if the OP can see a k7 kernel he's not got
the 64bit version of ubuntu installed.

> if you installed ubuntu i386, you shouldnt use the k7 kernel, since
> its compiled for k7 processors and it might produce lockups if the
> kernel tries to access a specific k7 register or issues a k7 specific
> assembler command.
> 
Surely the k8s instruction/registers are a superset of the k7s, so that
a k8 in 32bit mode will be compatible with the k7 kernel?

Ewan
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