Public bug reported:
Since upgrading from Focal, it seems that I'm hitting boot problems
every time Grub is ugpraded.
For context, I recently upgrade from Focal to Groovy, then on the same
day, to Hirsute (prerelease).
On the upgrade to Groovy, my system stopped booting to grub, and I
needed to load a Groovy install USB and run "grub-install" to make my
system bootable. (More specifically: grub-install --uefi-secure-boot
--boot-directory=<mounted /boot> --efi-directory=<mounted /boot>/efi)
On the upgrade to Hirsute, the same thing occurred, and I had to repeat
the same to be able to boot.
And after package upgrades yesterday, when I powered on my machine
today, the same thing occurred again, so I gathered some details this
time around.
The following grub packages changed during last night's upgrade:
grub-pc-bin:amd64 (2.04-1ubuntu40 -> 2.04-1ubuntu44)
grub-efi-amd64-signed:amd64 (1.163+2.04-1ubuntu40 -> 1.166+2.04-1ubuntu44)
grub-efi-amd64-bin:amd64 (2.04-1ubuntu40 -> 2.04-1ubuntu44)
grub-common:amd64 (2.04-1ubuntu40 -> 2.04-1ubuntu44)
grub-pc:amd64 (2.04-1ubuntu40 -> 2.04-1ubuntu44)
As context, my system uses EFI (secure boot on if I recall right), and
my disk is partitioned as follows:
Device Start End Sectors Size Type
/dev/sda1 2048 1050623 1048576 512M EFI System <-
/boot/efi
/dev/sda2 1050624 2549759 1499136 732M Linux filesystem <- /boot
/dev/sda3 2549760 500632903 498083144 237.5G Linux filesystem <- /
(encrypted LVM)
/dev/sda4 500633600 500666367 32768 16M Microsoft reserved
/dev/sda5 500666368 999149401 498483034 237.7G Microsoft basic data
/dev/sda6 999149568 1000212479 1062912 519M Windows recovery environment
Also, note that simply doing "sudo update-grub" does *not* trigger this
problem. It seems to be something which happens at upgrade time.
Please let me know if there's any other info I can gather for this; I
fully expect this problem to recur the next time grub gets upgraded as
well.
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1918314
Title:
Cannot boot from grub after upgrade
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