[Bug 1798171] Re: System fails to boot with \EFI\BOOT\mmx64.efi - Not Found

[Markus Hombrecher]

Here the same issue. I try to do a fresh install of Ubuntu 18.10
After stopping the isnstallation and rebooting from a 18.10 bootable USB-stick:

ailed to open \EFI\BOOT\mmx64.efi - Not Found
Failed to load image \EFI\BOOT\mmx64.efi - Not Found
Failed to start MokManager: Not Found
Something has gone seriously wrong: import_mok_state() failed
: Not Found

I tried to repartition and recreate the boot USB stick from scratch but still the same error message.
machine is Intel NUC 8i5BEK. No other OSs.
Any idea what is going wrong?

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https://bugs.launchpad.net/bugs/1798171

Title:
  System fails to boot with \EFI\BOOT\mmx64.efi - Not Found

Status in grub2 package in Ubuntu:
  Fix Released

Bug description:
  System: Dell Inspiron 11 3137 - BIOS A05 Phoenix SecureCore Technology

  Cosmic desktop installation on UEFI system with secure boot enabled,
  third party drivers checked, installation on entire disk.

  On boot the system fails with:

  Failed to open \EFI\BOOT\mmx64.efi - Not Found
  Failed to load image \EFI\BOOT\mmx64.efi - Not Found
  Failed to start MokManager: Not Found
  Something has gone seriously wrong: import_mok_state() failed
  : Not Found

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
  Uname: Linux 4.18.0-8-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.20.10-0ubuntu13
  Architecture: amd64
  Date: Tue Oct 16 19:26:56 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper --
  InstallationDate: Installed on 2013-09-03 (1868 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130902)
  ProcEnviron:
   LANG=C.UTF-8
   TERM=xterm-256color
   SHELL=/bin/bash
   PATH=(custom, no user)
  SourcePackage: ubiquity
  UpgradeStatus: Upgraded to cosmic on 2018-01-26 (263 days ago)

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