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[Sebastian Audet <smaudet@xxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1173423 ***
    https://bugs.launchpad.net/bugs/1173423

I think I may have this issue as well, running Kubuntu 13.04, here's my
bios id:

dmidecode -s bios-version
7ACN24WW

uname -r
3.8.0-19-generic

lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 13.04
Release:        13.04
Codename:       raring

Symptoms: efibootmgr -c -l 'EFI\package\BOOT.EFI'
and variants of the above command produce the aforementioned dmesg output about errors writing to nvram.

Hope this helps.

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https://bugs.launchpad.net/bugs/1167622

Title:
  Cannot change EFI variables using efibootmgr (raring regression)

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Hardware: Asus Zenbook Prime UX21A

  Runing quantal, I can set boot parameters using efibootmgr as
  expected.

  Running raring, any attempt to write EFI vars fails.

  dmesg says:
  [  248.382221] efivars: set_variable() failed: status=8000000000000009

  strace of efibootmgr says:
  write(3, "B\0o\0o\0t\0O\0r\0d\0e\0r\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 2084) = -1 EIO (Input/output error)

  Bug 1167567 may be related but not quite the same (I see EIO, not
  ENOSPC)

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-17-generic 3.8.0-17.27
  ProcVersionSignature: Ubuntu 3.8.0-17.27-generic 3.8.6
  Uname: Linux 3.8.0-17-generic x86_64
  ApportVersion: 2.9.2-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  maxb       2349 F.... pulseaudio
  CRDA:
   country GB:
   	(2402 - 2482 @ 40), (N/A, 20)
   	(5170 - 5250 @ 40), (N/A, 20)
   	(5250 - 5330 @ 40), (N/A, 20), DFS
   	(5490 - 5710 @ 40), (N/A, 27), DFS
  Date: Wed Apr 10 23:59:45 2013
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=3bb6077a-27f3-44cd-b71d-fc553dea7f84
  MachineType: ASUSTeK COMPUTER INC. UX21A
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-17-generic root=UUID=8d70d748-42b7-47f3-86d2-080fa18ca3ae ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-17-generic N/A
   linux-backports-modules-3.8.0-17-generic  N/A
   linux-firmware                            1.104
  SourcePackage: linux
  UpgradeStatus: Upgraded to raring on 2013-03-16 (24 days ago)
  dmi.bios.date: 09/06/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: UX21A.215
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: UX21A
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX21A.215:bd09/06/2012:svnASUSTeKCOMPUTERINC.:pnUX21A:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX21A:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: UX21A
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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