Kernel 2.4.21-ben2 does not boot on Rev 1 Xserve

Benjamin Herrenschmidt benh at
Mon Jul 7 22:40:05 EST 2003

On Mon, 2003-07-07 at 13:46, Atro Tossavainen wrote:
> Hello,
> I tried to upgrade the kernel on our Xserve to 2.4.21-ben2 which I just
> downloaded from with rsync.
> The bootup messages scroll by quite quickly, but if I'm not mistaken,
> the IDE driver announced the following:
> PDC20270: neither IDE port enabled (BIOS)
> and fails to boot because it can't see the disks.

Did you enable CONFIG_PDC202XX_FORCE ? (Also called
"Special FastTrack Feature"). This option is needed for the Promise
controller on the Xserve motherboard.


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