[Bug 2104310] Re: Plucky arm64 desktop: boot console showing on serial port only

[Utkarsh Gupta]

Ubuntu 25.04 (Plucky Puffin) has reached end of life, so this bug will
not be fixed for that specific release.

** Changed in: Ubuntu Plucky
       Status: New => Won't Fix

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Title:
  Plucky arm64 desktop: boot console showing on serial port only

Status in Ubuntu:
  New
Status in subiquity package in Ubuntu:
  Fix Released
Status in The Plucky Puffin:
  Won't Fix
Status in subiquity source package in Plucky:
  Fix Released

Bug description:
  The boot console defaults to ttyAMA0 on arm64 because that is hardcoded in the kernel config.
  This breaks the boot console and consequently FDE unlocking in desktop setups.
  Manually adding console=tty0 to the kernel command line fixes the issue.

  The same issue previously affected the installer iso, see https://bugs.launchpad.net/ubuntu/+source/livecd-rootfs/+bug/2083919
  The fix in https://git.launchpad.net/~ubuntu-cdimage/debian-cd/+git/ubuntu/commit/?id=77a5ae1239f21df585f91e4af74f73c3d5625c26 only affects the installer iso itself, not the resulting installation.

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