Incorrect System Time After Reboot When Upgrading to Unbreakable Enterprise Kernel
Last updated on MARCH 08, 2017
Applies to:Linux OS - Version Oracle Linux 5.5 and later
Information in this document applies to any platform.
After upgrading the Oracle Linux from version 5 update 5 kernel to Unbreakable Enterprise Linux(UEK) kernel, the system time is very different with hardware time in every reboot. During reboot time, you may also see an error message as below:
Welcome to Enterprise Linux Server
Press 'I' to enter interactive startup.
Cannot access the Hardware Clock via any known method.
Use the --debug option to see the details of our search for an access method.
Setting clock (utc): Mon Jan 3 10:08:55 PST 2011 [ OK ]
Starting udev: [ OK ]
Upgraded the Oracle Linux 5 update 5 system to use UEK kernel
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