Booting is ocassionally interrupted on encrypted Red Hat Enterprise Linux 7.1 systems. Either a blank screen or the following message is displayed:
Probing EDD (edd=off to disable)...
Depending on your requirements, apply one of the following workarounds:
Note: This change is not permanent and lasts for only one boot.
This workaround disables the EDD in the grub file, which prevents it from failing at boot.
For more information about customizing the GRUB 2 menu in Red Hat Enterprise Linux 7, visit https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/System_Administrators_Guide/sec-Customizing_GRUB_2_Menu.html