[Bug 1527311] [NEW] grub2.02~beta2-29ubuntu0.2 fails in Windows 8 UEFI Secure Boot

Andrew Tribick 1527311 at bugs.launchpad.net
Thu Dec 17 16:04:27 UTC 2015


Public bug reported:

Since the upgrade to grub version 2.02~beta2-29ubuntu0.2, Secure Boot in
Windows 8 UEFI mode fails to launch GRUB, instead it falls back to the
Windows boot loader. In order to be able to dual boot I have had to
switch to Legacy Secure Boot. (These are the terms used in the ASUS UEFI
Bios Utility)

I have attempted to downgrade the packages grub-common, grub-efi-amd64,
grub-efi-amd64-bin and grub2-common to 2.0~beta2-29 but this did not
solve the problem: I recall that the Muon Update manager put up a
notification about changes to other packages when the upgrade appeared
but I cannot remember what the dependent packages were.

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New

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Title:
  grub2.02~beta2-29ubuntu0.2 fails in Windows 8 UEFI Secure Boot

Status in grub2 package in Ubuntu:
  New

Bug description:
  Since the upgrade to grub version 2.02~beta2-29ubuntu0.2, Secure Boot
  in Windows 8 UEFI mode fails to launch GRUB, instead it falls back to
  the Windows boot loader. In order to be able to dual boot I have had
  to switch to Legacy Secure Boot. (These are the terms used in the ASUS
  UEFI Bios Utility)

  I have attempted to downgrade the packages grub-common, grub-efi-
  amd64, grub-efi-amd64-bin and grub2-common to 2.0~beta2-29 but this
  did not solve the problem: I recall that the Muon Update manager put
  up a notification about changes to other packages when the upgrade
  appeared but I cannot remember what the dependent packages were.

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