I tried upgrading my system that is running with the 2.4.3-12 kernel to the latest update. The default kernel runs fine but I need to recompile the kernel to have more scsi devices. The compilation part works without a glitch. After creating the image and updating lilo I rebooted the box.
When booting up, at the point where the ramdisk is loading the aic7xxx driver for my scsi hard drive, I get an insmod error and a panic because a root device cannot be found. Anyone out there knows of a good place to read about upgrading the kernel. I've seen some, but they are not really helpful in this situation. I had to update a lot of modules along the way as well.
One more thing that is strange is that the kernel source from redhat is missing the compile.h header file. The O/S emulation file sysinfo.c needs this to compile and it will give you an error if you do not have it. Am I missing something ?