Hallo I'm running FC3 and I have problem with creating my initrd file. What I did: 1) downloaded and compiled and installed generic kernel 2.6.13.tar.gz together with modules 2) added new entry to my grub.conf file (literraly: copied an already running entry) title Fedora Core (2.6.13) root (hd0,4) kernel /vmlinuz-2.6.13 ro root=/dev/sda6 rhgb quiet initrd /initrd-2.6.13.img (by the way, already running entry looks like that title Fedora Core (2.6.12-1.1372_FC3) root (hd0,4) kernel /vmlinuz-2.6.12-1.1372_FC3 ro root=/dev/sda6 rhgb quiet initrd /initrd-2.6.12-1.1372_FC3.img ) 3) created initrd with the same contents as for my running initrd-2.6.12-1.1372_FC3.img, with some changes: a) replaced archive type of initrd from cpio to gzipped loopback file b) replaced name of `init' script to `linuxrc' c) replaced modules to those from my 2.6.13 kernel. d) just to get better verbosity removed `setquiet' command. my linuxrc script looks like following: #!/bin/nash mount -t proc /proc /proc ###setquiet !! removed for better verbosity echo Mounted /proc filesystem echo Mounting sysfs mount -t sysfs none /sys echo Creating /dev mount -o mode=0755 -t tmpfs none /dev mknod /dev/console c 5 1 mknod /dev/null c 1 3 mknod /dev/zero c 1 5 mkdir /dev/pts mkdir /dev/shm echo Starting udev /sbin/udevstart echo -n "/sbin/hotplug" > /proc/sys/kernel/hotplug echo "Loading scsi_mod.ko module" insmod /lib/scsi_mod.ko echo "Loading sd_mod.ko module" insmod /lib/sd_mod.ko echo "Loading libata.ko module" insmod /lib/libata.ko echo "Loading ata_piix.ko module" insmod /lib/ata_piix.ko echo "Loading jbd.ko module" insmod /lib/jbd.ko echo "Loading ext3.ko module" insmod /lib/ext3.ko /sbin/udevstart echo Creating root device mkrootdev /dev/root umount /sys echo Mounting root filesystem mount -o defaults --ro -t ext3 /dev/root /sysroot mount -t tmpfs --bind /dev /sysroot/dev echo Switching to new root switchroot /sysroot umount /initrd/dev Now after booting linux and choosing my 2.6.13 I can see that my initrd is used, all modules are loaded. The last echo I can see is: "Switching to new root" Then I see line: VFS: Unable to mount root fs on unknown-block(0,0) What is the problem I wonder. Have You got any ideas? Greetings ---------------------------------------------------- VIVA HITS! Takiej składanki jeszcze nie było! http://klik.wp.pl/?adr=http%3A%2F%2Fadv.reklama.wp.pl%2Fas%2Fviva2.html&sid=500