I attempted the upgrade with core 4 and the unofficial core 4.1. With Core 4 I get a message "Kernel panic, not syncing- Attempted to kill init" With 4.1 I get "Ramdisk: Couldn't find valid ramdisk image starting at 0 Can't open Root Device "NULL" or unknown block (104,3) Please append a correct "root=" boot option Kernel panic-not syncing: VFS: unable to mount root file system on unknown block (104,3)" They both seem to have a problem with the megaraid card. If it makes a difference in diagnosing things the server is a Supermicro, not a Visionman, as I first stated. Any way to fix this?