Kernel Pani Error

Kernel Panic - not syncing: Attempted to kill init! 

Issue Scenario:

       Server is reachable over the network however SSH and console login fails with the following error message.

Resolution:

• Boot the system into rescue mode:
• To boot the system into rescue mode please use following steps:

• Boot the system from the binary DVD or boot disc1 of the same major release as the system. The ISO9660 disc images are available as follows:
  • RHEL 8.1 binary DVD download is located here. Approximately 7.31 GB in size (Red Hat Enterprise Linux 8.1 Binary DVD)
  • RHEL 7.7 binary DVD download is located here. Approximately 4.3 GB in size (Red Hat Enterprise Linux 7.7 Binary DVD)
  • RHEL 6.10 binary DVD download is located here. Approximately 3.6 GB in size (Red Hat Enterprise Linux 6.10 Binary DVD)
  • RHEL 5.11 binary DVD download is located here. Approximately 4.1 GB in size (Binary DVD)
• Once the system has successfully booted from the ISO image, the Red Hat Enterprise Linux boot screen will appear. Type: "linux rescue" without the quotes, and hit enter at the prompt.

• You will be prompted for your keyboard and language requirements. Enter these values as you would during the installation of Red Hat Enterprise Linux.

• Next, a screen will appear telling you that the program will now attempt to find a Red Hat Enterprise Linux installation to rescue. Select "Continue" on this screen.

• At the "sh-3.1" prompt check df command output to see if the dev, sys, proc filesystems are mounted under the existing installation environment /mnt/sysimage or not. If these directories are not by default mounted, then please try to mount it manually as shown below:

• mount -o bind /dev /mnt/sysimage/dev
  mount -o bind /sys /mnt/sysimage/sys
  mount -t proc /proc /mnt/sysimage/proc
  mount -o bind /dev/shm /mnt/sysimage/dev/shm

    Change root to the already installed root fs:

•    $ chroot /mnt/sysimage

* Check the missed library is exist and also check whether its symlink

 # cd /lib64

 # ls -l | grep libc.so

lrwxrwxrwx 1 root root 12 Jan 19 2016 libc.so.6 -> libc-2.12.so

# ls -l libc-2.12.so
-rwxr-xr-x 1 root root 1926480 May 20 2015 libc-2.12.so

* If its not exist then create symlink as below and reboot the system

# ln -s /lib64/libc-2.12.so /lib64/libc.so.6

March 04, 2021

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