System Architecture: Intel
RedHat Release: All/General
FAQ Category: Booting and LILO
Modification Date: Nov 21, 1998
Kernel Panic on reboot after installing a custom kernel.
This may seem obvious to people that have been around Linux for a while, but... RAM Disk support is REQUIRED to boot to SCSI drives if the SCSI driver is made modular in the custom kernel. Otherwise, initrd does not work (since it is the initial RAM disk).
scsi.txt in /usr/src/linux/scsi.txt