[Bug 1892754] Re: Unable to boot in UEFI+secure boot mode

[sudodus]

@ Steve Langasek (vorlon),

Previously I have not touched the UEFI/BIOS system of the *Lenovo V130*
that I have access to, but now, that you ask about it, I had better do
it in order to help identify what goes wrong, when trying to boot USB
drives cloned from Groovy ISO files.

When testing Groovy iso files, the fix against the boothole bug was
entered into this computer, so that USB drives that used to boot would
no longer boot.

I turned off secure boot, and then it was possible again to boot for
example Ubuntu 20.04.1 LTS (cloned to a USB drive). This matches the
observation, that Groovy iso files worked until you modified the boot
system (when you removed syslinux boot in BIOS mode, but obviously also
modified the boot system in UEFI mode).

But USB drives cloned from the current Ubuntu Groovy as well as Lubuntu
Groovy do not boot.

** Attachment added: "lenovo-v130_boot-option-menu.jpg"
   https://bugs.launchpad.net/ubuntu/+source/cd-boot-images-amd64/+bug/1892754/+attachment/5407322/+files/lenovo-v130_boot-option-menu.jpg

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https://bugs.launchpad.net/bugs/1892754

Title:
  Unable to boot in UEFI+secure boot mode

Status in cd-boot-images-amd64 package in Ubuntu:
  Fix Released

Bug description:
  The problem:

  Trying to install the QA daily build for Kubuntu Groovy 20200824 -
  when booting from the USB boot media I receive the following error:

  Error

  Verification failed: 
  (0x1A) security violation 

  Followed by an OK box - which when selected offers to import the SHIM
  key

  This error occurred on 2 machines running in UEFI+secure boot mode:

  1: Dell [Inspiron] 3521, (i3-3217U, 4GB, Intel HD Graphics 4000, Intel
  HM76 chipset 10/100 Mbps ethernet controller integrated on system
  board, WiFi 802.11 b/g/N, Bluetooth 4.0, 500 GB hd)

  2: Acer [Aspire] E3-111-P60S (Pent.N3530, 4GB, Intel HD Graphics,
  Realtek  RTL8111/81681/8411 GB Ethernet, Qualcomm Atheros AR9462
  Wireless, Bluetooth Atheros A315-53, 500 GB hd)

  Disabling secure boot the machines then boot normally in UEFI mode

  Will test further some of the other flavors..

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