Hello , I’m using Linux RedHat 8 , kernel-2.4.18 I’m trying to build kernel-2.4.26 I did following : ………. make rmproper make xconfig make dep make clean make bzImage make modules make modules_install rm –rf /boot/System.map rm –rf /boot/vmlinuz cp arch/i386/boot/bzImage /boot/bzImage-xxx cp System.map /boot/System.map-xxx ln -s /boot/vmlinuz-x.x.x /boot/vmlinuz ln -s /boot/System.map-x.x.x /boot/System.map I configured grub.conf as follow : //old configuration title Linux Red Hat (2.4.18-14) root(hd0,0) kernel /vmLinuz-2.4.18-14 ro root=LABEL=/ initrd /initrd-2.4.18-14.img //my configuration title New Kernel (2.4.26) root(hd0,0) kernel /vmLinuz-2.4.26 ro root=LABEL=/ when reboot I received the error as follow : “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 “ I did : root=/dev/sda1 ( or root=/dev/sda2 ) but I received error : kmod : failed to exec /sbin/modprobe –s –k block-major-8 errno = 2 VFS : ....( similar to the first case ) Can anyone help me . Thanks for yours help ! __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com