[Bug 1459871] Re: arm64 images built w/ setjmp module fail w/ license error

[Chris J Arges]

Hello dann, or anyone else affected,

Accepted grub2 into vivid-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/grub2/2.02~beta2-22ubuntu1.5 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!

** Tags removed: verification-done

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1459871

Title:
  arm64 images built w/ setjmp module fail w/ license error

Status in grub2 package in Ubuntu:
  Fix Released
Status in grub2 source package in Trusty:
  Fix Released
Status in grub2 source package in Vivid:
  Fix Committed
Status in grub2 source package in Wily:
  Fix Committed
Status in grub2 source package in Xenial:
  Fix Released

Bug description:
  [Impact]
  Any ARM64 GRUB image that includes the setjmp module will fail, reporting an "incompatible license" error. Ubuntu doesn't normally include this module in most images. The one exception I know of is MAAS which, by default, includes all modules when generating EFI images. MAAS currently has a hack to blacklist setjmp on arm64 because a fix wasn't available at the time - but I fear other users will try to do the same thing and hit this issue which can be difficult to track down.

  [Test Case]
  PXE boot a grub image on arm64 that includes the setjmp module:

  $ grub-mkimage -v -o grubaa64.efi -O arm64-efi -d
  /usr/lib/grub/arm64-efi setjmp

  [Regression Risk]
  The patch merely adds a license section to the module and it has been tested to work.

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