[Bug 2150321] Re: Ubuntu 26.04 flash-kernel db is not update-to-date

[Dave Jones]

Dracut (like initramfs-tools before it), only generates the initrd
(under /boot as you've noted). It's not responsible for copying the
initrd (or the kernel or anything else) to the boot partition, which is
mounted under /boot/firmware. That's the job of flash-kernel (which from
resolute, is provided by the piboot-try package on the Pi).

Once dracut has finished generating things, simply run "sudo flash-
kernel" and all necessary assets should be copied to the boot partition.
Note that, on resolute and beyond, the "/usr/sbin/flash-kernel" script
is actually provided by the "piboot-try" package -- you should have that
installed, and not the "flash-kernel" package itself.

(I realize this is a bit confusing, but eventually "/usr/sbin/flash-
kernel" will become a trivial alias for the piboot-try script, but we're
not quite there yet)

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https://bugs.launchpad.net/bugs/2150321

Title:
  Ubuntu 26.04 flash-kernel db is not update-to-date

Status in flash-kernel package in Ubuntu:
  New

Bug description:
  I have a Raspberry Pi 4 Model B device and yesterday I installed
  Ubuntu 26.04 on it. initramfs-tools and flash-kernel packages fail to
  install (more accurately, they did get installed, but failed at
  configure step), reporting my device is not recognized. I rolled it
  back to my original Ubuntu 24.04 so I can no longer run commands to
  collect detailed information.

  By digging into it, the flash-kernel package on Ubuntu 26.04 doesn't
  ship with the latest database, while Ubuntu 24.04 does.

  The file in question is  /usr/share/flash-kernel/db/all.db, on Ubuntu
  24.04 it does contain devices Raspberry Pi 4B; on Ubuntu 26.04, it is
  still the old version.

  Please update the package on Ubuntu 26.04 otherwise I can't run
  update-initramfs properly to add LVM support in the initrd.img (I put
  the rootfs in LVM, and everything works fine for Ubuntu 24.04).

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