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[Taihsiang Ho <taihsiang.ho@xxxxxxxxxxxxx>]

Dell Latitude E6540 (CID 201306-13679) on 12.04.4 has this issue.

1. Fn + F8
2. "sudo showkey" returned keycode 125 and 25 were pressed.


** Tags added: 201306-13679

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https://bugs.launchpad.net/bugs/1218810

Title:
  video switch hot key will return "super key and p" and no response to
  switch video mode

Status in “linux” package in Ubuntu:
  Confirmed
Status in “unity” package in Ubuntu:
  New

Bug description:
  CID 201209-11735

  For some machines, for example, HP laptop "HP 1000" has a hot key on F4 to perform the shorcut "super + p" to switch video modes.
  Use command "sudo showkey -k" to capture the key code of the hot key you will see the key code of "super key" and "p"
  This key combination is expected to change the video mode.

  
  platfrom: HP laptop "HP 1000"
  image: 12.04.3

  Steps to reproduce:
  1. open an terminal, 
  2. plugin an external monitor
  3. press the video switch hotkey, for "HP 1000" it is the F4 key

  Expected result:
  1. Video mode is changed by the hotkey
  2. no character is printed on terminal

  Actual result
  1. Video mode is not changed.
  2. a "p" will be printed on the terminal screen

  The other information:
  1. A similar bug was reported on LP:#539477 before.
  2. The hotkey in 13.04 works

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.8.0-29-generic 3.8.0-29.42~precise1 [modified: boot/vmlinuz-3.8.0-29-generic]
  ProcVersionSignature: Ubuntu 3.8.0-29.42~precise1-generic 3.8.13.5
  Uname: Linux 3.8.0-29-generic x86_64
  ApportVersion: 2.0.1-0ubuntu17.4
  Architecture: amd64
  Date: Fri Aug 30 17:34:56 2013
  InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.1)
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: linux-lts-raring
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.8.0-29-generic.
  ApportVersion: 2.0.1-0ubuntu17.4
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     1675 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0x63600000 irq 47'
     Mixer name	: 'Intel PantherPoint HDMI'
     Components	: 'HDA:10ec0269,103c1855,00100202 HDA:80862806,80860101,00100000'
     Controls      : 27
     Simple ctrls  : 10
  CurrentDmesg:
   [   45.884915] ISO 9660 Extensions: RRIP_1991A
   [   60.442781] audit_printk_skb: 3 callbacks suppressed
   [   60.442785] type=1400 audit(1378093422.964:31): apparmor="DENIED" operation="open" parent=1 profile="/usr/lib/telepathy/mission-control-5" name="/usr/share/gvfs/remote-volume-monitors/" pid=1849 comm="mission-control" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
   [   65.385488] r8169 0000:0e:00.0 eth0: link up
   [   65.385510] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=932733cb-db60-4153-8565-3e3ccb1a6f6d
  InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.1)
  Lsusb:
   Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 003: ID 05c8:0223 Cheng Uei Precision Industry Co., Ltd (Foxlink)
  MachineType: Hewlett-Packard HP 1000 Notebook PC
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:
   0 radeondrmfb
   1 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-29-generic root=UUID=770667e1-92a4-4f2e-a434-b9998d55cb30 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.8.0-29.42~precise1-generic 3.8.13.5
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-29-generic N/A
   linux-backports-modules-3.8.0-29-generic  N/A
   linux-firmware                            1.79.6
  Tags:  precise running-unity
  Uname: Linux 3.8.0-29-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 12/25/2012
  dmi.bios.vendor: Insyde
  dmi.bios.version: B.50
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: 1855
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 64.22
  dmi.chassis.asset.tag: Classis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsyde:bvrB.50:bd12/25/2012:svnHewlett-Packard:pnHP1000NotebookPC:pvr0698100000005300000630000:rvnHewlett-Packard:rn1855:rvr64.22:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP 1000 Notebook PC
  dmi.product.version: 0698100000005300000630000
  dmi.sys.vendor: Hewlett-Packard

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