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[Bug 1397699] Re: Dell Latitude 2110: Brightness keys come through two input devices

 

Ben Harris, could you please test the latest upstream kernel available
from the very top line at the top of the page (the release names are
irrelevant for testing, and please do not test the daily folder)
following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow
additional upstream developers to examine the issue.

If the test did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested exactly shown as:
kernel-fixed-upstream-3.18-rc7

This can be done by clicking on the yellow circle with a black pencil
icon next to the word Tags located at the bottom of the bug description.

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.

** Tags added: latest-bios-a00

** Tags added: utopic

** Changed in: linux (Ubuntu)
   Importance: Low => Medium

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

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https://bugs.launchpad.net/bugs/1397699

Title:
  Dell Latitude 2110: Brightness keys come through two input devices

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  According to <https://wiki.ubuntu.com/Hotkeys/Troubleshooting>, "If
  the events are reported by more than one input device then report a
  kernel bug (Ubuntu linux package) because it should only send the
  event on one device."  On my Latitude 2110, the brightness control
  keys (Fn+Up and Fn+Down) seem to appear through two different devices,
  /dev/input/event3 ("AT Translated Set 2 keyboard") and
  /dev/input/event4 ("Video Bus").  The keys also control the screen
  brightness, even in a text console.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-25-generic 3.16.0-25.33~14.04.2
  ProcVersionSignature: Ubuntu 3.16.0-25.33~14.04.2-generic 3.16.7
  Uname: Linux 3.16.0-25-generic i686
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: i386
  CurrentDesktop: Unity
  Date: Sun Nov 30 17:02:52 2014
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-motts-20100121-3
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2010-06-09 (1635 days ago)
  InstallationMedia: Ubuntu GNU/Linux 9.10 "Karmic" - Build i386 LIVE Binary 20100121-21:52
  SourcePackage: linux-lts-utopic
  UpgradeStatus: Upgraded to trusty on 2014-08-15 (106 days ago)
  --- 
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  bjh21      2495 F.... pulseaudio
  CurrentDesktop: Unity
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-motts-20100121-3
  DistroRelease: Ubuntu 14.04
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=5f11e886-4c98-43d9-8d51-6ab48f0bff3f
  InstallationDate: Installed on 2010-06-09 (1636 days ago)
  InstallationMedia: Ubuntu GNU/Linux 9.10 "Karmic" - Build i386 LIVE Binary 20100121-21:52
  MachineType: Dell Inc. Latitude 2110
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-25-generic root=UUID=a7f66818-5a12-4932-922a-b05d92593b24 ro quiet splash crashkernel=384M-:128M crashkernel=384M-:128M vt.handoff=7
  ProcVersionSignature: Ubuntu 3.16.0-25.33~14.04.2-generic 3.16.7
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-25-generic N/A
   linux-backports-modules-3.16.0-25-generic  N/A
   linux-firmware                             1.127.8
  StagingDrivers: rts5208
  Tags:  trusty staging
  Uname: Linux 3.16.0-25-generic i686
  UpgradeStatus: Upgraded to trusty on 2014-08-15 (108 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare wireshark
  WifiSyslog:
   Dec  1 21:57:47 sole kernel: [  713.837172] init: systemd-logind main process (504) killed by TERM signal
   Dec  1 21:57:58 sole kernel: [  724.781339] systemd-udevd[5391]: starting version 204
  _MarkForUpload: True
  dmi.bios.date: 03/09/2010
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A00
  dmi.board.name: 0N61H4
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA00:bd03/09/2010:svnDellInc.:pnLatitude2110:pvr:rvnDellInc.:rn0N61H4:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Latitude 2110
  dmi.sys.vendor: Dell Inc.

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