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

[Judah Richardson]

This bug hit me today (Debian Buster) and I have to say it's pretty
egregious. I don't buy the pandemic certificate excuse as Debian
development has always been decentralized. If Microsoft or Apple had
done this the headlines would be about them bricking PCs or Macs.

This morning I rebooted my Dell server to apply a kernel security patch
only for it to display the

Could not create MokListXRT: Out of Resources
Something has gone seriously wrong: import_mok_state() failed: Out of Resources

error message. Except, in my case, the machine simply powered off after
the error. Fortunately Dell's BIOSes are pretty robust and I was able to
boot in legacy mode and then apply the EFI path fix from
https://askubuntu.com/a/1333772/932418. Purely from observation of this
and the AskUbuntu thread it seems ThinkPad users are not that lucky.

What steps can be taken to ensure this doesn't happen again?

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Title:
  Grub2 menu not loading - could not create MokListXRT: Out of Resources

Status in shim package in Ubuntu:
  Fix Committed

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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