Hi ALL I am new in the field of customization of kernel. I am trying to build custom kernel for redhat 8. I did everystep given in the custoning kernel section of REDHAT 8 maunal and i dint get any errors. rpm -Uvh /mnt/cdrom/Redhat/RPMS.kernel-source* ln -l /usr/src/linux-2.4.18 /usr/src/linux make dep make make bzImage make modules make install make modules_install But when i restarted my system using my customized kernel my system hangs giving this problem VFS: Cannot open root device " Label=/" or 00:00 Please append a correct "root=" boot option Kernel Panic : VFS : Unable to mount root fs on 00:00 And my system hangs. ANy help is appreciated in this regard -Akash