I got the error when i rebooted my server.
My redhat linux version is 5.5

Mounting root filesystem.
EXT2-fs: sda5: couldn't mount because of unsupported optional features (4).
mount: error mounting /dev/root on /sysroot as ext2: Invalid argument
Setting up other filesystems.
Setting up new root fs
setuproot: moving /dev failed: No such file or directory
no fstab.sys, mounting internal defaults
setuproot: error mounting /proc: No such file or directory
setuproot: error mounting /sys: No such file or directory
Switching to new root and running unit.
unmounting old /dev
unmounting old /proc
unmounting old /sys
error /dev/console: No such file or directory
trying to use fd O in
warning (null)
exec of null failed: Bad address
kernel panic-not syncing:Attempted to kill init!

Anyone help in getting the solution for this problem.
Deep kumar

deep,

Here is your another same thread, http://www.linuxquestions.org/questi...-issue-941409/. Posting duplicate threads will not get more attention. And please keep the discussion on one thread. Posting duplicate threads is against the LQ rules.
I request moderator/s to please close this thread as it is the duplicate of this one - http://www.linuxquestions.org/questi...-issue-941409/.