initramfs help!!!!(solved)

[hedmo]

hi all!!!


so its time for me to make initramfs...... i did not fully understand the gentoo initramfs-wiki but i did manage to get me a kernel panic ...... http://imageshack.us/content_round.php?page=done&l=img801/1158/cimg0638o.jpg

here is some info i can give you to help me fix what i have done wrong:

livecd linux # cat /usr/src/initramfs/init
#!/bin/busybox sh

# Mount the /proc and /sys filesystems.
mount -t proc none /proc
mount -t sysfs none /sys
echo /sbin/mdev > /proc/sys/kernel/hotplug
mdev -s


# Do your stuff here.
echo "This script mounts rootfs and boots it up, nothing more!"

# Mount the root filesystem.
raidautorun /dev/md3
mount -o ro /dev/md3 /mnt/root

# Mount the devtmpfs filesystem
mount -t devtmpfs none /dev

# Mount my lvm`s
lvm vgscan --mknodes
lvm lvchange -aly vg/{distfiles,home,opt,portage,tmp,usr,var,vartmp}

# Clean up.
umount /proc
umount /sys
umount /dev


# Boot the real thing.
exec switch_root /mnt/root /sbin/init

rescue_shell() {
echo "Something went wrong. Dropping you to a shell."
busybox --install -s
exec /bin/sh
}
mount -o ro /dev/md3 /mnt/root || rescue_shell
livecd linux # ls /usr/src/initramfs/sbin/
lvm mdev
livecd linux #


sorry for the long paste

regards hedmo

[forrestfunk81]

The kernel panic says 'no init found'.

Have you packed, named and copied your initramfs to /boot/ and configured grub to find the initramfs?

i.e.

[hedmo]

forrestfunk81

thanks for the reply.yes i have it in my kernel at /usr/src/initramfs and in my /boot/grub/grub.conf:

mybox ~ # cat /boot/grub/grub.conf
# This is a sample grub.conf for use with Genkernel, per the Gentoo handbook
# http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?part=1&chap=10#doc_chap2
# If you are not using Genkernel and you need help creating this file, you
# should consult the handbook. Alternatively, consult the grub.conf.sample that
# is included with the Grub documentation.

default 0
timeout 30
splashimage=(hd0,0)/boot/grub/splash.xpm.gz

title Gentoo
root (hd0,0)
kernel /boot/kernel-3.3.0-rc1-mm1
#root=/dev/md3
initrd /boot/my-initramfs.cpio.gz
#video=radeonfb:1024x768-32@60
#iommu=on





title Gentoo1
root (hd0,0)
kernel /boot/kernel-3.1.0-rc3-mm1 root=/dev/md3
#iommu=calgary


# vim:ft=conf:
mybox ~ #ls /boot
boot kernel-3.0.0-rc6-mm1 kernel-3.3.0-rc1-mm1
grub kernel-3.1.0-rc3-mm1 kernel-3.3.0-rc1-mm12
kernel-2.6.99-3.0.0-rc6-mm1 kernel-3.2.0-gentoo-r1 lost+found
kernel-3.0.0-mm1 kernel-3.2.5-gentoo my-initramfs.cpio.gz
mybox ~ #


regards hedmo

[hedmo]

dont understad what i have done wrong. giving up........

[hedmo]

for some how the problem was that i had to re:

cp -a /bin/busybox /usr/src/initramfs/bin/busybox

to get my init to start.but my lvm in my initramfs wont start and some help could bee good

regards hedmo

[John R. Graham]

[hedmo]

[djdunn]

you can use genkernel to create only an initramfs, add your boot option to your bootloader and should be good to go
_________________
Now, with penguins, (cuddly such), "contented" means it has either just gotten laid, or it's stuffed on herring. Take it from me, I'm an expert on penguins, those are really the only two options.

--Linus Torvalds

[hedmo]