5.1 -> 5.2 upgrade, Promise FastTrak device /dev/ar0 missing?

[Soren Schmidt]

It seems Kevin A. Pieckiel wrote:
> I have a Promise FastTrak SATA150 controller with two 120 GB drives
> that are mirrored.  Using 5.1-RELEASE-p10 with sources from Nov 3.
> 
> I tried to upgrade from 5.1 to 5.2-RC today and the new kernel couldn't
> mount my root partition (/dev/ar0s1a) after doing make installkernel
> and rebooting into single user mode.  Browsing through the console
> messages shows the individual drives (/dev/ad4 and /dev/ad6), but no
> /dev/ar0.  The /dev/ar0 device shows up on the 5.1 kernel.  What did I
> do wrong?  I'm using the same kernel config file (except for chaning
> "options apicio" to "device apic") and followed the usual procedure
> of make buildworld, make buildkernel, make installkernel reboot to
> single user mode, etc.
> 
> The 5.1 kernel was CVSed on 3 Nov in the RELENG_5_1 tag and the 5.2-RC
> was from RELENG_5_2 CVSed 24 Dec.
> 
> Included is my dmesg output from the 5.1 kernel and my kernel config
> file SAMSON for the 5.1 kernel.  Any help would be appreciated.

You need "device ataraid" in your config file..

-Søren
                     Yes I know it works under windows!!