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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Invalid

** Changed in: linux (Ubuntu Precise)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1111689

Title:
  Due to possibly "bricking" the system, the samsung-laptop driver
  should not be allowed to run if booting from EFI

Status in “linux” package in Ubuntu:
  Invalid
Status in “linux” source package in Precise:
  Fix Released
Status in “linux” source package in Quantal:
  Fix Released

Bug description:
  SRU Justification:

  Impact:
  With the existing code there is still the chance that the samsung-laptop driver can run if the given system is booting a 32-bit kernel with 64-bit EFI firmware (or vice versa). This
  can lead to a system that is "bricked" and can not be recovered.

  Fix:
  First, we will need to revert the existing commit we have for the samsung-laptop/EFI
  issue:
      2fe5d5c565ad7ed16d5a01eee1f03dfd91dfa6a0   (Quantal tree)

  Then we need to cherry-pick/backport the following two commits from Linus' tree
      83e68189745ad931c2afd45d8ee3303929233e7f
      e0094244e41c4d0c7ad69920681972fc45d8ce34

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