[Bug 1846458] [NEW] On zfs-on-root system, grub fails to update from 2.04-1ubuntu6 to 2.04-1ubuntu8

[emk2203]

Public bug reported:

On a zfs-on-root system with eoan-proposed enabled, an update of grub-
efi to 2.04-1ubuntu8 from 2.04-1ubuntu6 failed due to a syntax error in
the generated /boot/grub/grub.cfg.new file - unexpected "}" in line 255.

Downgrading to 2.04-1ubuntu6 remedied the issue.

A Kubuntu system without zfs was unaffected and installed 2.04-1ubuntu8
without problems.

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  On a zfs-on-root system with eoan-proposed enabled, an update of grub-
  efi to 2.04-1ubuntu8 from 2.04-1ubuntu6 failed due to a syntax error in
- the generated /boot/grub/grub.cfg.new file.
+ the generated /boot/grub/grub.cfg.new file - unexpected "}" in line 255.
  
  Downgrading to 2.04-1ubuntu6 remedied the issue.
  
  A Kubuntu system without zfs was unaffected and installed 2.04-1ubuntu8
  without problems.

** Summary changed:

- On zfs system, grub fails to update [2.04-1ubuntu8]
+ On zfs-on-root system, grub fails to update from 2.04-1ubuntu6 to 2.04-1ubuntu8

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https://bugs.launchpad.net/bugs/1846458

Title:
  On zfs-on-root system, grub fails to update from 2.04-1ubuntu6 to
  2.04-1ubuntu8

Status in grub2 package in Ubuntu:
  New

Bug description:
  On a zfs-on-root system with eoan-proposed enabled, an update of grub-
  efi to 2.04-1ubuntu8 from 2.04-1ubuntu6 failed due to a syntax error
  in the generated /boot/grub/grub.cfg.new file - unexpected "}" in line
  255.

  Downgrading to 2.04-1ubuntu6 remedied the issue.

  A Kubuntu system without zfs was unaffected and installed
  2.04-1ubuntu8 without problems.

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