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

[Julian Andres Klode]

I have posted a work around for this issue upstream:
https://github.com/rhboot/shim/pull/393

This will add a 2s delay on invalid filenames or not found files, and
then fallback to the default loader. Hence it's still a good idea to
parse the load options properly to avoid the errors in the first place
:)

** Tags added: regression-proposed

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

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

Status in shim package in Ubuntu:
  Incomplete

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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