On Wed, Feb 09, 2005 at 11:05:14AM +0200, Oleg O. Ossovitskii wrote: > Hello! > > > I run self compiled kernel 2.4.27 w/devfs and want to upgrade to > 2.6.10 w/devfs. All kernels without using initrd > > /dev/hdc2 - /boot - ext2 > /dev/hdc8 - / - ReiserFS V3 > > gcc 3.4.3, modultils-2.4.21, glibc-2.3.4 > > I installed > module-init-tools-3.1.tar.bz2 > sysfsutils-1.1.0.tar.bz2 > hotplug-2004_09_23.tar.bz2 > udev-051 > > and all that I found in Changes from kernel-2.6.10 > > In the grub config i have: > > -------------------------------- > # For booting GNU/Linux > title GNU/Linux-2.6.x > kernel (hd0,1)/vmlinuz root=/dev/hdc8 rw devfs=mount > > title GNU/Linux-2.4.x > kernel (hd0,1)/vmlinuz-2.4 root=/dev/hdc8 rw devfs=mount > ---------------------------------- > > I can boot into 2.4.x kernel, but when I try to boot to 2.6.10 > kernel I get error message & kernel panic: > > > VFS: Cannot open root device "hdc8" or unknown-block(0,0) > Please append a correct "root=" boot option > Kernel panic - not syncing: VFS: Unable to mount root fs on > unknown-block(0,0)
please make sure that the rootfs block device driver (IDE disk) was compiled into the kernel. -- Alex.