Same machine FC6 can finish installation but not F7; When started the installation as follow; Start loading vmlinuz............. Start loading unitrd.img .......... Process swapper Call trace; Code; Bad RIP value. RIP CR2 Kernel panic - not syncing;Aiee, killing interrupt handler! (The the system freezes, keyboard has no response, only can press the reboot switch to reboot the system) Core2Duo E6400 processor 2.13ghz 4gb ddr2 ram Raid 0 Intel Matrix storage Manager FCH8R wRAID5) When switch to FC6 installation, process can go smooth. XP and Vista can be installed in same machine without any problem. Need help.