Grub "Hard Disk Error" and "Switchroot Mount" Error Caused "Kernel Panic"
(Doc ID 454422.1)
Last updated on APRIL 16, 2020
Linux OS - Version Oracle Linux 4.4 to Oracle Linux 4.6 [Release OL4U4 to OL4U6] Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform.
This problem can occur on any platform.
This is a very common issue which system administrator could run into when he tries to replace hard disk controller with a new one. The error could be either or both of the followings:
1. GRUB Issue
When system loads GRUB boot image from hard disk, it could be seen: "GRUB hard disk error" on the screen and startup hangs there.
2. Kernel Panic Issue
When the GRUB boot menu appears and one kind of kernel is selected to start up, the kernel gets panic : MOUNT: ERROR 6 MOUNTING EXT3 MOUNT: ERROR 2 MOUNTING NONE SWITCHROOT: MOUNT FAILED:22 UNMOUNT /INITRD/DEV FAILED: 2 KERNEL PANIC - NOT SYNCING: ATTEMPTED TO KILL INIT!
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!