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[Po-Hsu Lin <po-hsu.lin@xxxxxxxxxxxxx>]

This bug is similar to bug 1342548, could be fixed by adding a kernel parameter:
acpi_osi=\"!Windows 2012\"

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https://bugs.launchpad.net/bugs/1362388

Title:
  [Dell Vostro 3446] Wireless key does not work on 14.04

Status in HWE Next Project:
  New
Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  CID: 201402-14677 Dell Vostro 3446

  The wireless key does not work on this system.
  With wireless key press, keycode 240 could be captured, but the scancode can't

  output with xev:
  KeyPress event, serial 37, synthetic NO, window 0x2e00001,
      root 0xbc, subw 0x0, time 66898396, (-365,-277), root:(823,313),
      state 0x0, keycode 248 (keysym 0x0, NoSymbol), same_screen YES,
      XLookupString gives 0 bytes: 
      XmbLookupString gives 0 bytes: 
      XFilterEvent returns: False

  KeyRelease event, serial 37, synthetic NO, window 0x2e00001,
      root 0xbc, subw 0x0, time 66898396, (-365,-277), root:(823,313),
      state 0x0, keycode 248 (keysym 0x0, NoSymbol), same_screen YES,
      XLookupString gives 0 bytes: 
      XFilterEvent returns: False

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-34-generic 3.13.0-34.60
  ProcVersionSignature: Ubuntu 3.13.0-34.60-generic 3.13.11.4
  Uname: Linux 3.13.0-34-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ubuntu     1597 F.... pulseaudio
                        ubuntu     4758 F.... pulseaudio
   /dev/snd/controlC0:  ubuntu     1597 F.... pulseaudio
                        ubuntu     4758 F.... pulseaudio
  CRDA:
   country TW:
   	(2402 - 2472 @ 40), (3, 27)
   	(5270 - 5330 @ 40), (3, 17), DFS
   	(5735 - 5815 @ 40), (3, 30)
  CurrentDesktop: Unity
  Date: Wed Aug 27 22:24:42 2014
  HibernationDevice: RESUME=UUID=863c857d-be2d-4f0c-9116-343d3909f4f6
  InstallationDate: Installed on 2014-08-27 (0 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Dell Inc. Vostro 3446
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-34-generic.efi.signed root=UUID=8954dce5-3f09-451d-9cb3-5bbbed643e9b ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-34-generic N/A
   linux-backports-modules-3.13.0-34-generic  N/A
   linux-firmware                             1.127.5
  SourcePackage: linux
  StagingDrivers: rts5139
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/24/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A00
  dmi.board.name: 00I010
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnDellInc.:bvrA00:bd02/24/2014:svnDellInc.:pnVostro3446:pvrNotSpecified:rvnDellInc.:rn00I010:rvrA00:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Vostro 3446
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

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