I'm new to Linux kernel. Recently I tried to install Red Hat-2.6.9-EL on VirtualBox and I compiled Linux-2.6.9 and installed on the Red Hat system. When I booted with the new kernel, I got some errors like:device-mapper: table ioctl failed: Invalid argument device-mapper: table ioctl failed: Invalid argument 2 logical volume(s) in volume group VolGroup00 now activemount: error 6 mounting ext3mount: error 2 mounting noneswitchroot: mount failed: 22unmount /initrd/dev failed: 2Kernel panic - not syncing: Attempted to kill init!I'm using SCSI controller for the hard disk(8G) on the virtual machine.Can someone help me? 
Kernel panic - not syncing: Attempted to kill init!
rhel;boot;linux kernel;virtualbox