*** This bug is a duplicate of bug 2151216 ***
https://bugs.launchpad.net/bugs/2151216
At a guess, this is another duplicate of LP: #2151216
Assuming this is an attempted dist-upgrade (without do-release-upgrade,
which is the only supported route): the dist-upgrade here didn't pick up
the flash-kernel -> piboot-try transition (it left the relevant ubuntu-
meta package on the old version, and upgraded flash-kernel to the
resolute version which doesn't know anything about the Raspberry Pi
because that functionality was moved to the piboot-try package).
It also didn't pick up the initramfs-tools -> dracut transition. This is
only *strictly* necessary if you have a smaller boot partition, but for
the sake of consistency it's worth doing anyway.
To try and fix in your case:
sudo apt install piboot-try dracut
This will prompt to remove flash-kernel (for piboot-try) and initramfs-
tools (for dracut), which is expected. Once that's complete:
sudo apt -f install
And hopefully the anything still pending will be upgraded. The other
thing to double check is your EEPROM date:
sudo rpi-eeprom-update
If "CURRENT" is earlier than 2025-02-11, you must also update your boot
EEPROM or your system won't be able to boot the v7 kernel. If this is
the case:
sudo rpi-eeprom-update -a
Check the intended EEPROM version in the output is recent enough then
reboot. If it is not, check that rpi-eeprom-firmware is fully upgraded
to the version in resolute-updates (28.14-0ubuntu1 at time of writing),
the retry the above line.
** This bug has been marked a duplicate of bug 2151216
[SRU] Force switch to piboot-try on Raspberry Pi
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https://bugs.launchpad.net/bugs/2152080
Title:
RaspberryPi 5 fails to upgrade to 26.04
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