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

[Michael Hudson-Doyle]

Well this is a bit strange. Does anyone know when this started? The way
the ISO is put together hasn't changed since the hirsute release, so
this is probably related to a change in grub2 or shim. The bug was
reported less than 24 hours after a new version of grub2 landed which is
definitely something that makes one go "hmm". I'll reassign the package
there -- this certainly isn't a syslinux problem as that hasn't been
used at all to boot ISOs since focal, and afaik never ever when booting
via UEFI.

** Package changed: syslinux (Ubuntu) => grub2 (Ubuntu)

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

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

Status in grub2 package in Ubuntu:
  Confirmed

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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