Public bug reported:
grub-common 2.04-1ubuntu26.7 installs two handlers which run in
parallel:
/lib/systemd/system/grub-initrd-fallback.service
which does:
ExecStart=/usr/bin/grub-editenv /boot/grub/grubenv unset initrdfail
ExecStart=/usr/bin/grub-editenv /boot/grub/grubenv unset prev_entry
and /etc/init.d/grub-common
which does:
grub-editenv /boot/grub/grubenv unset recordfail
But since both services are executed at exactly the same time after
a successful boot, the grubenv command fails to update the
file /boot/grub/grubenv due to overwriting each other.
In the end the recordfail environment stays set and the boot screen
is displayed for 30 seconds on each boot.
My workaround is renaming
/lib/systemd/system/grub-initrd-fallback.service
to
/lib/systemd/system/grub-initrd-fallback.service.bak
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1911239
Title:
grub waits 30 sec on every boot
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