>As for "vendor support" for Opteron, that sure looks like a
>trainwreck... If you're going through IBM, then they won't want to
>respond to any issues if you're not running a "bog-standard" RHAS/RHES
>release from Red Hat. And that, on Opteron, is preposterous, because
>there's plenty of the bits of Opteron support that only ever got put
>in Linux 2.6, whilst RHAT is still back in the 2.4 days.
>
>
>
To be fair, they have backported a boatload of 2.6 features to their kernel:
http://www.redhat.com/software/rhel/kernel26/
And that page certainly isn't an exhaustive list...
M