[Bug 1435663] Re: arm64/efi support

[Timo Aaltonen]

Hello dann, or anyone else affected,

Accepted grub2 into trusty-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/grub2/2.02~beta2-9ubuntu1.1 in a
few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: grub2 (Ubuntu Trusty)
       Status: In Progress => Fix Committed

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1435663

Title:
  arm64/efi support

Status in efibootmgr package in Ubuntu:
  Fix Released
Status in grub-installer package in Ubuntu:
  Fix Released
Status in grub2 package in Ubuntu:
  Fix Released
Status in libdebian-installer package in Ubuntu:
  Fix Released
Status in partman-auto package in Ubuntu:
  Fix Released
Status in partman-efi package in Ubuntu:
  Fix Released
Status in efibootmgr source package in Trusty:
  Fix Committed
Status in grub-installer source package in Trusty:
  Fix Committed
Status in grub2 source package in Trusty:
  Fix Committed
Status in libdebian-installer source package in Trusty:
  Fix Committed
Status in partman-auto source package in Trusty:
  Fix Committed
Status in partman-efi source package in Trusty:
  Fix Committed
Status in efibootmgr source package in Utopic:
  Fix Released
Status in grub-installer source package in Utopic:
  Fix Committed
Status in grub2 source package in Utopic:
  Fix Released
Status in libdebian-installer source package in Utopic:
  Fix Committed
Status in partman-auto source package in Utopic:
  Fix Committed
Status in partman-efi source package in Utopic:
  Fix Committed

Bug description:
  [Impact]
  It is currently not possible to install EFI-based arm64 systems.

  [Test Case]
  Install an arm64 system with d-i. On reboot you should have a new "ubuntu" entry in the EFI boot menu that starts GRUB and boots into Linux. This can be tested in QEMU if hardware is not available:
    https://wiki.ubuntu.com/ARM64/QEMU
  Note that kernel support is also required, so you'll need to use an LTS Enablement kernel. 

  [Regression Risk]
  Most of the required changes involve enabling builds/backporting code that will only run on previously-unsupported systems. The biggest risk I see is in breaking previously-supported arm64 systems - luckily there's only a few of those and we can test them.

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