(aarch64) Disk Encryption Password Prompt Not Being Displayed at System Boot

If you install Oracle Linux with GUI on an encrypted disk, for example, by choosing Server with GUI during the installation stage, and VGA is enabled, the password prompt doesn't appear on the VGA output at system boot. Consequently, the boot process can not be completed. The prompt appears only on a serial console, and therefore, you would need to switch to a serial console to provide the password there.

This issue is specific to systems on the Arm platform only and occurs regardless of whether you're using secure boot or not. Further, the issue applies to Oracle Linux 8 or Oracle Linux 9 systems that use UEKR6 or UEKR7.

To make the GUI password prompt for disk encryption appear at boot time on VGA output without using a serial console, add plymouth.ignore-serial-consoles to the kernel command line in the GRUB configuration. For instructions, see the Managing Kernels and System Boot chapter in Oracle Linux 9: Managing Core System Configuration.

(Bug ID 35034465)