odd dmesg scsi error with aic7902 controller

[Don Bowman]

From: Sven Willenberger [mailto:sven at dmv.com]
> Have just moved to supermicro 1U boxes using 80-pin SCA 
> drives (Seagate
> ST336607LC) and U320 adaptec on-board controllers (aic7902) and the 
> error shown in the dmesg below crops up during bootup.
> 
> The odd thing is that it only occurs if 2 or more drives are 
> connected;
> if only 1 drive is physically attached, the boot up sequence 
> is smooth.
> These boxes are not yet in production and I hesitate to do so if the
> error message is an indication of future problems. This same message
> does occur in FreeBSD 4.9-Release also. The following dmesg snippet
> comes from a 5.2.1-Release system:

Upgrade your firmware on the drive. This is available from
seagate. You want version 007. I have a utility that can
do this under bsd if you wish.

--don (who spent half of last summer on this problem :)