[Bug 1560764] [NEW] "fails to request state" when trying to perform actions in mokutil

[Mario Limonciello]

Public bug reported:

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 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.

I've submitted a kernel patch for this upstream:
https://lkml.org/lkml/2016/3/22/733

I feel this should be backported in Ubuntu's kernel as well.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: mokutil (Ubuntu)
     Importance: Undecided
         Status: New

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** Summary changed:

- "fails to request state" when trying to perform actions
+ "fails to request state" when trying to perform actions in mokutil

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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:
  New
Status in mokutil package in Ubuntu:
  New

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 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.

  I've submitted a kernel patch for this upstream:
  https://lkml.org/lkml/2016/3/22/733

  I feel this should be backported in Ubuntu's kernel as well.

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