2.4.x to 2.6.y kernel
Folks - I'm sure others have come across this but I can't see the
solution in the archives, so all help welcomed.
On my box (2*Xeon, SATA HD), I've been running 2.4.27-1-686-smp and
thought it's about time to move to 2.6 so I did a
sudo apt-get install kernel-image-2.6.8-2-686-smp
and rebooted but now get a kernel panic with this kernel, along the
lines of
pivot_root: No such file or directory
/sbin/init: 432: cannot open dev/console: No such file
Kernel panic - not syncing: Attempt to kill init!
Any ideas? My grub menu.lst (below) uses initrd and I'm wondering if
that's part of the problem. I also note that
$ ls -lt /initrd*
lrwxrwxrwx 1 root root 31 Jul 18 10:54 /initrd.img ->
boot/initrd.img-2.6.8-2-686-smp
lrwxrwxrwx 1 root root 32 Nov 12 2004 /initrd.img.old ->
boot/initrd.img-2.4.27-1-686-smp
which doesn't quite seem to match up the grub/menu.lst:
# menu.lst - See: grub(8), info grub, update-grub(8)
# grub-install(8), grub-floppy(8),
# grub-md5-crypt, /usr/share/doc/grub
# and /usr/share/doc/grub-doc/.
## default num
# Set the default entry to the entry number NUM. Numbering starts from
0, and
# the entry number 0 is the default if the command is not used.
#
# You can specify 'saved' instead of a number. In this case, the default
entry
# is the entry saved with the command 'savedefault'.
default 0
## timeout sec
# Set a timeout, in SEC seconds, before automatically booting the
default entry
# (normally the first entry defined).
timeout 5
# Pretty colours
color cyan/blue white/blue
## password ['--md5'] passwd
# If used in the first section of a menu file, disable all interactive
editing
# control (menu entry editor and command-line) and entries protected by
the
# command 'lock'
# e.g. password topsecret
# password --md5 $1$gLhU0/$aW78kHK1QfV3P2b2znUoe/
# password topsecret
password --md5 $1$qQ.rd0$wiHMnIUNnhVMeuxGAKXzp/
#
# examples
#
# title Windows 95/98/NT/2000
# root (hd0,0)
# makeactive
# chainloader +1
#
# title Linux
# root (hd0,1)
# kernel /vmlinuz root=/dev/hda2 ro
#
#
# Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST
### BEGIN AUTOMAGIC KERNELS LIST
## lines between the AUTOMAGIC KERNELS LIST markers will be modified
## by the debian update-grub script except for the default options below
## DO NOT UNCOMMENT THEM, Just edit them to your needs
## ## Start Default Options ##
## default kernel options
## default kernel options for automagic boot options
## If you want special options for specifiv kernels use kopt_x_y_z
## where x.y.z is kernel version. Minor versions can be omitted.
## e.g. kopt=root=/dev/hda1 ro
# kopt=root=/dev/hde2 ro
## default grub root device
## e.g. groot=(hd0,0)
# groot=(hd0,7)
## should update-grub create alternative automagic boot options
## e.g. alternative=true
## alternative=false
# alternative=true
## should update-grub lock alternative automagic boot options
## e.g. lockalternative=true
## lockalternative=false
# lockalternative=false
## altoption boot targets option
## multiple altoptions lines are allowed
## e.g. altoptions=(extra menu suffix) extra boot options
## altoptions=(recovery mode) single
# altoptions=(recovery mode) single
## controls how many kernels should be put into the menu.lst
## only counts the first occurence of a kernel, not the
## alternative kernel options
## e.g. howmany=all
## howmany=7
# howmany=all
## should update-grub create memtest86 boot option
## e.g. memtest86=true
## memtest86=false
# memtest86=true
## ## End Default Options ##
title Debian GNU/Linux, kernel 2.6.8-2-686-smp
root (hd0,7)
kernel /vmlinuz-2.6.8-2-686-smp root=/dev/hde2 ro
initrd /initrd.img-2.6.8-2-686-smp
savedefault
boot
title Debian GNU/Linux, kernel 2.6.8-2-686-smp (recovery mode)
root (hd0,7)
kernel /vmlinuz-2.6.8-2-686-smp root=/dev/hde2 ro single
initrd /initrd.img-2.6.8-2-686-smp
savedefault
boot
title Debian GNU/Linux, kernel 2.4.27-1-686-smp
root (hd0,7)
kernel /vmlinuz-2.4.27-1-686-smp root=/dev/hde2 ro
initrd /initrd.img-2.4.27-1-686-smp
savedefault
boot
title Debian GNU/Linux, kernel 2.4.27-1-686-smp (recovery mode)
root (hd0,7)
kernel /vmlinuz-2.4.27-1-686-smp root=/dev/hde2 ro single
initrd /initrd.img-2.4.27-1-686-smp
savedefault
boot
title Debian GNU/Linux, kernel 2.4.27-1-386
root (hd0,7)
kernel /vmlinuz-2.4.27-1-386 root=/dev/hde2 ro
initrd /initrd.img-2.4.27-1-386
savedefault
boot
title Debian GNU/Linux, kernel 2.4.27-1-386 (recovery mode)
root (hd0,7)
kernel /vmlinuz-2.4.27-1-386 root=/dev/hde2 ro single
initrd /initrd.img-2.4.27-1-386
savedefault
boot
### END DEBIAN AUTOMAGIC KERNELS LIST
# This is a divider, added to separate the menu items below from the
Debian
# ones.
title Other operating systems:
root
# This entry automatically added by the Debian installer for a non-linux
OS
# on /dev/hde1
title Windows NT/2000/XP
root (hd0,0)
savedefault
makeactive
chainloader +1
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