Onkar N Mahajan wrote:
thanks for the knowledge abt top/bottom/interleaved posting ( thanks
for your polite reply :) )
ok ..
[root@localhost onkar]# mount
/dev/sda1 on / type ext3 (rw)
none on /proc type proc (rw)
none on /sys type sysfs (rw)
none on /dev/pts type devpts (rw,gid=5,mode=620)
usbfs on /proc/bus/usb type usbfs (rw)
none on /dev/shm type tmpfs (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
[root@localhost onkar]# cat /etc/fstab
# This file is edited by fstab-sync - see 'man fstab-sync' for details
LABEL=/ / ext3
defaults 1 1
none /dev/pts devpts
gid=5,mode=620 0 0
none /dev/shm tmpfs
defaults 0 0
none /proc proc
defaults 0 0
none /sys sysfs
defaults 0 0
LABEL=SWAP-sda2 swap swap
defaults 0 0
/dev/hdc /media/cdrecorder auto
pamconsole,fscontext=system_u:object_r:removable_t,exec,noauto,managed
0 0
/dev/fd0 /media/floppy auto
pamconsole,fscontext=system_u:object_r:removable_t,exec,noauto,managed
0 0
[root@localhost onkar]# cat /boot/grub/grub.conf
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this
file
# NOTICE: You do not have a /boot partition. This means that
# all kernel and initrd paths are relative to /, eg.
# root (hd0,0)
# kernel /boot/vmlinuz-version ro root=/dev/sda1
# initrd /boot/initrd-version.img
#boot=/dev/sda
default=1
timeout=5
splashimage=(hd0,0)/boot/grub/splash.xpm.gz
hiddenmenu
title Red Hat Enterprise Linux AS (2.6.12.6)
root (hd0,0)
# kernel /boot/vmlinuz-2.6.12.6 ro root=LABEL=/ rhgb quiet
kernel /boot/vmlinuz-2.6.12.6 ro root=/dev/sda1
The configuration here looks fine but your panic messages shows
something else
initrd /boot/initrd-2.6.12.6.img
title Red Hat Enterprise Linux AS (2.6.9-42.0.10.EL_lustre.1.4.10smp)
root (hd0,0)
kernel /boot/vmlinuz-2.6.9-42.0.10.EL_lustre.1.4.10smp ro
root=LABEL=/ rhgb quiet
initrd /boot/initrd-2.6.9-42.0.10.EL_lustre.1.4.10smp.img
title Red Hat Enterprise Linux AS (2.6.9-5.EL)
root (hd0,0)
kernel /boot/vmlinuz-2.6.9-5.EL ro root=LABEL=/ rhgb quiet
initrd /boot/initrd-2.6.9-5.EL.img
with this ::
----------------------------------------------RESULT OF
REBOOTING-----------------------------
::::::::::::
::::::::::::
lot of stuff goes here
::::::::::::
::::::::::::
[4294671,594000] VFS: Cannot open root device "sad1" or
unknown-block(0,0)
Probably there was a typo when you have altered the
/boot/grub/grub.conf. Here the
grub looks for the /dev/sad1 (the place where it looks for the
/boot/<kernel image> ) and
no such device exist, thats what your panic message says
[4294671,594000] Please append a correct "root=" boot option
[4294671,594000] Kernel panic -not syncing: VFS: Unable to mount root
fs on unknown-block(0,0)
[4294671,594000]_
hang !!!
-------------------------------------------------------------------------------------------------------------------
can you suggest me anything else.
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