[Bug 2075579] Re: On Ubuntu Core 20+, grub shows /EndEntire when booting

[Robert Liu]

** Also affects: oem-priority
   Importance: Undecided
       Status: New

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Title:
  On Ubuntu Core 20+, grub shows /EndEntire when booting

Status in OEM Priority Project:
  New
Status in grub2-unsigned package in Ubuntu:
  New

Bug description:
  With the GRUB (2.06-2ubuntu14.2) of the latest pc gadget snap (rev.
  145) for UC20, it shows "/EndEntire" whenn booting. This behavior will
  clear the boot logo. But GRUB (2.04-1ubuntu44.2) of pc gadget snap
  (rev. 132) doesn't have this issue. A customer has splash screen
  requirement and is ask for revert this change.

  I did some quick checks and found that since 2.06-2ubuntu14, in the
  patch (ubuntu-linuxefi.patch) doesn't remove
  grub_efi_print_device_path() in make_file_path() of grub-
  core/loader/efi/chainloader.c

  
  ubuntu-linuxefi.patch in 2.04-1ubuntu44.2: https://git.launchpad.net/ubuntu/+source/grub2-unsigned/tree/debian/patches/ubuntu-linuxefi.patch?h=applied/2.04-1ubuntu44.2#n794

  ubuntu-linuxefi.patch in 2.06-2ubuntu14:
  https://git.launchpad.net/ubuntu/+source/grub2-unsigned/tree/debian/patches/ubuntu-
  linuxefi.patch?h=applied/2.06-2ubuntu14#n609

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