[Bug 2059786] Re: [noble] Huge prompt for encrypted disk pwd

[Daniel van Vugt]

Explanation and workaround:

You can check to see if the full graphics driver is installed in early
boot by running something like:

  lsinitramfs -l /boot/initrd.img-* | grep i915

It should be missing and print nothing, which is by design ever since:

  https://launchpad.net/ubuntu/+source/plymouth/24.004.60-1ubuntu6

because we're trying to optimize disk space since:

  https://launchpad.net/ubuntu/+source/initramfs-tools/0.142ubuntu23

You can somewhat undo that and go back to having the full graphics
driver installed in early boot by editing /etc/initramfs-
tools/initramfs.conf and change:

  MODULES=most

to

  MODULES=dep

and then run:

  sudo update-initramfs -u

This will likely make the initramfs smaller despite adding the full
graphics driver. This is because it will also REMOVE all the kernel
drivers from early boot that the system wasn't using. So the risk then
is that you can't change hardware without remembering to revert to
MODULES=most first.

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https://bugs.launchpad.net/bugs/2059786

Title:
  [noble] Huge prompt for encrypted disk pwd

Status in plymouth package in Ubuntu:
  Incomplete

Bug description:
  Hi,

  plymouth (24.004.60-1ubuntu6) noble

  I get a huge prompt asking my luks-encrypted disk, at early start-up.

  Seems to be linked to screen resolution as I experience this bug only
  on my 2560x1440 external screen, not the 1900x1200 one. Only 1 monitor
  is active in both cases.

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