[Bug 1046429] Re: include patch to resolve bug where grub2 cannot boot Dell PowerEdge 12G systems in UEFI mode

[Clint Byrum]

Hello Daniel, or anyone else affected,

Accepted grub2 into precise-proposed. The package will build now and be
available at http://launchpad.net/ubuntu/+source/grub2/1.99-21ubuntu3.8
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 Precise)
       Status: In Progress => Fix Committed

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1046429

Title:
  include patch to resolve bug where grub2 cannot boot Dell PowerEdge
  12G systems in UEFI mode

Status in The Dell PowerEdge project:
  In Progress
Status in GRand Unified Bootloader:
  Unknown
Status in OEM Priority Project:
  Confirmed
Status in OEM Priority Project precise series:
  Confirmed
Status in “grub2” package in Ubuntu:
  Fix Released
Status in “grub2” source package in Precise:
  Fix Committed
Status in “grub2” source package in Quantal:
  Fix Released

Bug description:
  [Impact] GRUB fails to load Linux on UEFI machines with certain firmware behaviour related to getting the memory map.  The known case is Dell PowerEdge 12G systems.
  [Test Case] Try to boot on one of these systems and make sure it's possible.
  [Regression Potential] It's easy to verify that the change is confined to UEFI.  It would definitely be worth regression-testing on other UEFI systems to make sure they can still load Linux too, though, as this is a fairly substantial change to the loader.

  Original report follows:

  We (Dell) would like grub2 patched in Quantal so that it is able to
  boot using grub2 on Dell PowerEdge 12G systems that are in UEFI mode.

  In May, we reported this bug in Precise's version of grub2 (although
  our patch has not yet been included in an update of grub2 for
  Precise). See <https://bugs.launchpad.net/oem-priority/+bug/1001009>.
  We provided a patch that works against grub2_1.99-21ubuntu3 as well as
  one that applies against version 2.00. I've included the one for 1.99.
  It has not yet been included in the grub2 package for Quantal.

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