11 Apr
2006
11 Apr
'06
6:48 p.m.
Carotinho wrote:
Hi!
Alle 00:15, martedì 11 aprile 2006, Thomas Ilnseher ha scritto:
As far as I know, you can switch the processor between 32 and 64 bit. The
question now is: if I run it at 64bit, can I run a 32bit distro, eg
Slackware, maybe with a 64bit kernel?
a) you can run a 32bit distro w/ a 32bit kernel just fine.
b) you can run a 32bit distro w/ a 64bit kernel with the following
limitation:
all kernel modules need to be 64 bit, of course.
but afaik, nvidias 32bit xorg-driver can't talk to nvidias 64bit kernel
module.
this means you need at least a 64bit xorg, and everything that's
required for a 64bit xorg.
32bit apps can connect to the 64bit xorg.
of course you can use an open-source driver, which does not rely kernel
stuff.
but i don't see any advantage in having a 32bit distro, and an 64bit kernel.
But do I
have to run a 64bit distro on a system running at 64bit?
I'm too trying to save money for buying a new system:)
no, x64 cpus run 32bit oses just perfectly. else noone would buy an x64
processor,
cause most people run combined 16/32 bit oses (windows).
but if you run a 32bit distro, then you can not execute any 64bit code,
even if
your processor is x64 capable.
a 64 bit kernel OTOH can run 32bit apps, but you need a full set of
32bit libraries (multilib).
Thanks!
Carotinho
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