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[Launchpad Bug Tracker <1560764@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package mokutil - 0.3.0-0ubuntu1

---------------
mokutil (0.3.0-0ubuntu1) xenial; urgency=medium

  * New upstream version.
    - Now uses efivar which supports immutable attributes (LP: #1560764)
  * B-D on libefivar-dev, dh-autoreconf
  * debian/rules: use autoreconf
  * Backport cdb4b6f3 from upstream to fix i386 builds.

 -- Mario Limonciello <mario_limonciello@xxxxxxxx>  Tue, 22 Mar 2016
21:25:22 -0500

** Changed in: mokutil (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1560764

Title:
  "fails to request state" when trying to perform actions in mokutil

Status in linux package in Ubuntu:
  Won't Fix
Status in mokutil package in Ubuntu:
  Fix Released

Bug description:
  Recently it's been observed that mokutil is unable to make changes to
  the various Mok* variables.  It complains that  "fails to request
  state" when trying most actions or similar errors.

  The root of these problems is because the variables have been set as immutable after this kernel commit:
  https://github.com/torvalds/linux/commit/ed8b0de5a33d2a2557dce7f9429dca8cb5bc5879

  In many instances mokutil 0.2 will delete the variable and recreate
  it, so changing it with chattr isn't a workable solution as the kernel
  will just recreate it with the immutable attribute and it will fail
  over again.

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