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[Launchpad Bug Tracker <1195083@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

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

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https://bugs.launchpad.net/bugs/1195083

Title:
  Windows 2012 Grub parameter passes as Windowsx202012

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  I was testing Fedora 19 when I realized my brightness controls did not
  work predictably. If I hit brightness down, it did nothing. If I hit
  brightness up, my brightness went to about 1% and stayed there
  indefinitely. Thinking this was similar to what I had to do in Ubuntu
  GNOME 13.04 (add the Windows 2012 Grub parameter), I did so, and it
  fixed it. On Fedora 19, it did not fix it.

  So why might you be asking am I talking about Fedora in an Ubuntu bug
  report?

  I just fired up Ubuntu GNOME 13.10 and tried the same thing, and it
  acts 100% identical.

  jason@JS-E430:~$ cat /proc/cmdline
  BOOT_IMAGE=/boot/vmlinuz-3.9.0-7-generic root=UUID=984ddcf5-7b38-410b-9398-6edb27732c20 ro quiet splash "acpi_osi=!Windows\x202012"

  Now I'm wondering if this is a kernel issue. Both distros are on
  3.9.X. The only work around I have now is to add the brightness
  extension for Gnome and use that to control my brightness.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.9.0-7-generic 3.9.0-7.15 [modified: boot/vmlinuz-3.9.0-7-generic]
  ProcVersionSignature: Ubuntu 3.9.0-7.15-generic 3.9.7
  Uname: Linux 3.9.0-7-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.10.2-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jason      1683 F.... pulseaudio
  Date: Wed Jun 26 22:39:40 2013
  HibernationDevice: RESUME=UUID=504647a2-9377-4a75-9669-218848b4ee6b
  InstallationDate: Installed on 2013-06-26 (0 days ago)
  InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Alpha amd64 (20130625)
  MachineType: LENOVO 3254CTO
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.9.0-7-generic root=UUID=984ddcf5-7b38-410b-9398-6edb27732c20 ro quiet splash "acpi_osi=!Windows\x202012"
  RelatedPackageVersions:
   linux-restricted-modules-3.9.0-7-generic N/A
   linux-backports-modules-3.9.0-7-generic  N/A
   linux-firmware                           1.109
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/27/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: H0ET91WW (2.51 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 3254CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrH0ET91WW(2.51):bd02/27/2013:svnLENOVO:pn3254CTO:pvrThinkPadEdgeE430:rvnLENOVO:rn3254CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 3254CTO
  dmi.product.version: ThinkPad Edge E430
  dmi.sys.vendor: LENOVO

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