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[Bug 1440846] [NEW] Soft buttons and keyboard shortcuts sometimes don't work on HP EliteBook 6930p

 

Public bug reported:

On my HP EliteBook 6930p, there are some soft buttons, the most
important being Mute, Volume Up, Volume Down.

Sometimes, these soft buttons don't work. Interesting: in those cases,
normal keyboard shortcuts (for example: Ctrl + Alt + T for opening a
terminal) also don't work. I  have to reboot my system, and then, they
usually work again.

In those cases, the buttons themselves do work: the mute button
indicator on the keyboard will switch from blue to red and the volume
buttons will do a 'bouncing' animation to confirm that you've pressed
those buttons. Additionally, I do believe that in those cases the
buttons are interpreted somehow by the system, because for instance,
when running

xev | grep -A2 --line-buffered '^KeyRelease' | sed -n '/keycode
/s/^.*keycode \([0-9]*\).* (.*, \(.*\)).*$/\1 \2/p'

(source:
https://wiki.archlinux.org/index.php/Extra_keyboard_keys#In_Xorg)

I get the following output when pressing those buttons:


36 Return
122 XF86AudioLowerVolume
123 XF86AudioRaiseVolume


So there must be something else going on. I just don't know what to do
from here. Any help here is appreciated.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.16.0-33-generic 3.16.0-33.44~14.04.1
ProcVersionSignature: Ubuntu 3.16.0-33.44~14.04.1-generic 3.16.7-ckt7
Uname: Linux 3.16.0-33-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.8
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Apr  6 20:44:12 2015
InstallationDate: Installed on 2015-03-01 (36 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
SourcePackage: linux-lts-utopic
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: linux-lts-utopic (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

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https://bugs.launchpad.net/bugs/1440846

Title:
  Soft buttons and keyboard shortcuts sometimes don't work on HP
  EliteBook 6930p

Status in linux-lts-utopic package in Ubuntu:
  New

Bug description:
  On my HP EliteBook 6930p, there are some soft buttons, the most
  important being Mute, Volume Up, Volume Down.

  Sometimes, these soft buttons don't work. Interesting: in those cases,
  normal keyboard shortcuts (for example: Ctrl + Alt + T for opening a
  terminal) also don't work. I  have to reboot my system, and then, they
  usually work again.

  In those cases, the buttons themselves do work: the mute button
  indicator on the keyboard will switch from blue to red and the volume
  buttons will do a 'bouncing' animation to confirm that you've pressed
  those buttons. Additionally, I do believe that in those cases the
  buttons are interpreted somehow by the system, because for instance,
  when running

  xev | grep -A2 --line-buffered '^KeyRelease' | sed -n '/keycode
  /s/^.*keycode \([0-9]*\).* (.*, \(.*\)).*$/\1 \2/p'

  (source:
  https://wiki.archlinux.org/index.php/Extra_keyboard_keys#In_Xorg)

  I get the following output when pressing those buttons:

  
  36 Return
  122 XF86AudioLowerVolume
  123 XF86AudioRaiseVolume


  So there must be something else going on. I just don't know what to do
  from here. Any help here is appreciated.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-33-generic 3.16.0-33.44~14.04.1
  ProcVersionSignature: Ubuntu 3.16.0-33.44~14.04.1-generic 3.16.7-ckt7
  Uname: Linux 3.16.0-33-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.8
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Apr  6 20:44:12 2015
  InstallationDate: Installed on 2015-03-01 (36 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  SourcePackage: linux-lts-utopic
  UpgradeStatus: No upgrade log present (probably fresh install)

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