Public bug reported:
Discovered on an image upgraded from jammy to noble:
jammy's boot partition is a mere 256MB. This was fine when the initrd
was relatively minimal, as was the case with the split linux-modules-
extra, which resulted in initrd's with a size around ~30MB. However,
with noble, linux-modules-extra has been removed (with good
justification; the split caused a raft of complaints about missing
modules). The new initrd is >100MB and as a result, flash-kernel can
fail mid-way through copying things to the boot partition, leading to an
unbootable system (this is also something flash-kernel should guard
against, so I'll target this bug to f-k too).
This won't affect new noble installs where the boot partition is an
expanded 512MB, but there's no easy way to resize the boot partition on
upgraded systems.
Investigating the content of the new initrd, at least 40MB of it is
taken up with binary blobs for nvidia graphics cards which probably
aren't that useful on a Pi (unless your name is Jeff Geerling). There's
no mechanism for exclusion of modules, so we should add an initramfs-
tools hook to ubuntu-raspi-settings to manually exclude these modules
(possibly with a configuration switch just in case someone wants to
include them again).
** Affects: flash-kernel (Ubuntu)
Importance: Undecided
Status: New
** Affects: ubuntu-raspi-settings (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: foundations-todo
** Also affects: flash-kernel (Ubuntu)
Importance: Undecided
Status: New
** Changed in: ubuntu-raspi-settings (Ubuntu)
Status: New => Confirmed
** Tags added: foundations-todo
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https://bugs.launchpad.net/bugs/2060032
Title:
Mitigate lack of space from new initramfs
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