[CentOS] centos 4 installed on P4 won't boot on P3

Ignacio Vazquez-Abrams ivazquez at ivazquez.net
Thu Sep 29 12:39:44 UTC 2005


On Thu, 2005-09-29 at 07:29 -0500, William A. Mahaffey III wrote:
> Application code compiled for a P4 (using full P4 optimizations) usually 
> won't run on a P3, I suspect the same for kernels.

Except CentOS isn't built fully-optimized for P4s. It reorders
instructions to fit more efficiently through the P4's pipelines, but it
still uses i386 instructions.

-- 
Ignacio Vazquez-Abrams <ivazquez at ivazquez.net>
http://centos.ivazquez.net/

gpg --keyserver hkp://subkeys.pgp.net --recv-key 38028b72
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