[Bug 1363719] Re: efibootmgr may create a duplicated boot entry, "breaking" UEFI boot.

[Patrik Lundquist]

This patch includes two upstream fixes in the compare function that is
used to find a free boot variable.

https://github.com/vathpela/efibootmgr/commit/78920cfc3828389cb61de4ca06bf70d6fa959c0d
and
https://github.com/vathpela/efibootmgr/commit/895b702ac316a618f32fbdd74a6767277d48284a


** Patch added: "Fixes the sorting bug that overwrites EFI boot variables."
   https://bugs.launchpad.net/ubuntu/+source/efibootmgr/+bug/1363719/+attachment/4247981/+files/compare.patch

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https://bugs.launchpad.net/bugs/1363719

Title:
  efibootmgr may create a duplicated boot entry, "breaking" UEFI boot.

Status in “efibootmgr” package in Ubuntu:
  Confirmed

Bug description:
  Hey,
    the current version of efibootmgr has a small ordering bug that causes, at least on x240, a duplicated boot entry to be added to UEFI, breaking the boot - UEFI resets everything to default values, and you have to boot from usb stick to fix uefi entries. There is an upstream patch that fixes it, and it would be great if we could add it.

  Upstream bug report is https://github.com/vathpela/efibootmgr/issues/7

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