[Bug 1937115] Re: Unable to boot/install Impish daily in UEFI boot mode

[Steve Langasek]

On Fri, Jul 30, 2021 at 07:57:26AM -0000, Julian Andres Klode wrote:
> @sudodos, @leok You can do that in an installed Ubuntu system, on a non-
> impish live media, heck in any other Linux distro.

Preferably from live media, because some firmwares synthesize boot entries
on the fly when booting from external media and it's important to see
exactly what that boot entry is to verify why it fails with impish shim.

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https://bugs.launchpad.net/bugs/1937115

Title:
  Unable to boot/install Impish daily in UEFI boot mode

Status in cd-boot-images-amd64 package in Ubuntu:
  Triaged
Status in shim package in Ubuntu:
  In Progress
Status in cd-boot-images-amd64 source package in Focal:
  New
Status in shim source package in Focal:
  New
Status in cd-boot-images-amd64 source package in Impish:
  Triaged
Status in shim source package in Impish:
  In Progress

Bug description:
  Testing Ubuntu Impish daily ISO= http://cdimage.ubuntu.com/daily-
  live/20210721/impish-desktop-amd64.iso

  The test machines are:
   
  1. Dell [ Optiplex] MT 7040 i7-6700 booting in UEFI mode
  2. Dell [ Optiplex] MT 7060, i7-8700 booting in UEFI+secure boot mode

  Boot from USB media fails with the message:

  Failed to open /EFI/boot/? invalid parameter

  No further info available

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