[Bug 1924605] Re: Grub2 menu not loading - could not create MokListXRT

[Julian Andres Klode]

Thank you for your bug report,

Unfortunately, there is not much we can do here - Your system ran out of
EFI variable storage place.

Your best bet is to find large EFI variables in
/sys/firmware/efi/efivars that are safe to delete and delete them. A
factory reset of the BIOS may also clear up the variable storage, but
not sure. I think deleting necessary variables will trigger a factory
reset too, as it needs to repopulate them, but I would not try it
myself. Also, deleting the variables might just mark them for deletion
but not actually trigger garbage collection.

Good luck!

** Changed in: grub2 (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1924605

Title:
  Grub2 menu not loading - could not create MokListXRT

Status in grub2 package in Ubuntu:
  Invalid

Bug description:
  Thinkpad T430 I5-3320M
  Ubuntu 21.04 (ZFS)
  Dual boot: Ubuntu and Windows 10 on separate drives

  Steps to reproduce:

  * system update using 'apt update' in terminal. I have attached apt log file. The problem appeared after 'Start-Date: 2021-04-15  19:40:02', last entry.
  * 'zsysctl service gc -vv' - to remove unnecessary states
  * restart the system

  Outcome:

  * Grub2 menu does not show. Instead, error messages appear: 
  'Could not create MokListXRT: Out of Resources'
  'Failed to set MokListXRT: Out of Resources'
  * After 10 sec Ubuntu starts (Ubuntu was previously set as default system)

  Expected outcome:
  * Grub2 menu with Ubuntu, Windows and recovery options

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: grub-efi (not installed)
  ProcVersionSignature: Ubuntu 5.11.0-14.15-generic 5.11.12
  Uname: Linux 5.11.0-14-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu62
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Apr 15 20:13:35 2021
  InstallationDate: Installed on 2021-03-15 (31 days ago)
  InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Alpha amd64 (20210315)
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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