[Bug 1229591] Re: [keymap] display brightness keys stop working after saucy upgrade

[Martin Pitt]

Can you please install "evtest", run "sudo evtest" in a terminal, choose
the right device ("Dell extra keys", or just the standard keyboard),
press these two keys, and copy&paste the output? Use Control-C to stop.
Please also run "udevadm info --export-db > /tmp/udev.txt" and attach
/tmp/udev.txt here. Thanks!

** Summary changed:

- display brightness keys stop working after saucy upgrade
+ [keymap] display brightness keys stop working after saucy upgrade

** Package changed: udev (Ubuntu) => systemd (Ubuntu)

** Changed in: systemd (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1229591

Title:
  [keymap] display brightness keys stop working after saucy upgrade

Status in “systemd” package in Ubuntu:
  Incomplete

Bug description:
  On raring (and precise) the display brightness keys (fn+f4 and fn+f5)
  on my Dell Inspiron 14z turned the brightness up and down.  After a
  saucy upgrade this no longer happens (I don't see the popup brightness
  bubble either).  The other, similar keys (volume adjustment, etc)
  still work fine.

  Changing the values in /sys/class/backlight/intel_backlight/brightness
  works (temporarily - it gets reset after the screen lock kicks in)

  I tried following the instructions in
  https://wiki.ubuntu.com/Hotkeys/Troubleshooting but this appears to be
  out of date (it references /usr/share/doc/udev/README.keymap.txt which
  does not exist)

  $ lsb_release -rd
  Description:	Ubuntu Saucy Salamander (development branch)
  Release:	13.10

  $ apt-cache policy udev
  udev:
    Installed: 204-0ubuntu12
    Candidate: 204-0ubuntu12
    Version table:
   *** 204-0ubuntu12 0
          500 http://gb.archive.ubuntu.com/ubuntu/ saucy/main amd64 Packages
          100 /var/lib/dpkg/status

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