Oracle Linux 6 - System Fails to Boot from UEK kernel with Error "unable to mount root fs on unknown-block(0,0)"

(Doc ID 2158464.1)

Last updated on JULY 14, 2016

Applies to:

Linux OS - Version Oracle Linux 6.5 and later
Information in this document applies to any platform.


On a VMware guest running OL6.5, system fails to boot with UEK kernel . RHCK kernel boots fine.

UEK kernel was booting earlier.

Following screen shot shows the boot error messages:




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