grubby 8.28: Unbootable System After Upgrade to Oracle Linux 7.5

(Doc ID 2388490.1)

Last updated on APRIL 30, 2018

Applies to:

Linux OS - Version Oracle Linux 7.4 to Oracle Linux 7.4 [Release OL7U4]
Linux x86-64

Symptoms

 grubby 8.28: unbootable system after Oracle Linux7.5 upgrade.

Changes

Oracle Linux 7.5 upgrade from Oracle Linux 7.4

Cause

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