This bug was fixed in the package grub2 - 2.02~beta2-9ubuntu1.16
---------------
grub2 (2.02~beta2-9ubuntu1.16) trusty; urgency=medium
[ Ivan Hu ]
* debian/patches/0001-i386-linux-Add-support-for-ext_lfb_base.patch:
Add support for ext_lfb_base. (LP: #1785033)
[ dann frazier ]
* Add grub2/update_nvram template to allow users to disable NVRAM
updates during package upgrades (LP: #1642298).
[ Mathieu Trudel-Lapierre ]
* debian/patches: Rework linuxefi/SecureBoot support and sync with upstream
SB patch set: (LP: #1696599)
- linuxefi_backport_arm64.patch: backport basic arm64 chainload/linux
command support from 17.04.
- linuxefi_arm_sb_support.patch: add Secure Boot support for arm for its
chainloader.
- linuxefi_fix_validation_race.patch: Fix a race in validating images.
- linuxefi_chainloader_path.patch: honor the starting path for grub, so
images do not need to be started from $root.
- linuxefi_chainloader_sb.patch: Fix some more issues in chainloader use
when Secure Boot is enabled.
- linuxefi_loaders_enforce_sb.patch: Enforce Secure Boot policy for all
loaders: don't load the commands when Secure Boot is enabled.
- linuxefi_re-enable_linux_cmd.patch: Since we rely on the linux and
initrd commands to automatically hand-off to linuxefi/initrdefi; re-
enable the linux loader.
- linuxefi_chainloader_pe_fixes.patch: PE parsing fixes for chainloading
"special" PE images, such as Windows'.
- linuxefi_rework_non-sb_cases.patch: rework cases where Secure Boot is
disabled or shim validation is disabled so loading works as EFI binaries
when it is supposed to.
- Removed linuxefi_require_shim.patch; superseded by the above.
- Removed linuxefi_amd64_only.patch; superseded by the above.
- Refreshed patches.
* debian/rules: disable the use of -Werror while building grub; the EFI
patches have subtle cases which trip it up unnecessarily.
* debian/patches/arm64-set-correct-length-of-device-path-end-entry.patch:
dropped; included in linuxefi_backport_arm64.patch.
* debian/patches/linuxefi_fix_relocate_coff.patch: fix typo in
relocate_coff() causing issues with relocation of code in chainload.
(LP: #1792575)
* debian/patches/linuxefi_truncate_overlong_relocs.patch: The Windows
7 bootloader has inconsistent headers; truncate to the smaller, correct
size to fix chainloading Windows 7. (LP: #1792575)
-- Mathieu Trudel-Lapierre <cypher...@ubuntu.com> Tue, 08 Jan 2019
12:36:49 -0500
** Changed in: grub2 (Ubuntu Trusty)
Status: Fix Committed => Fix Released
** Changed in: grub2-signed (Ubuntu Trusty)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1642298
Title:
Grub package upgrades overwrites NVRAM, causing MAAS boot order to be
overwritten.
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