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[Mauro <1313196@xxxxxxxxxxxxxxxxxx>]

Today I tried http://cdimage.ubuntu.com/daily-live/current/vivid-desktop-amd64.iso.
A regression with the wireless switch state is there too.
With that image, the wireless switch is always white, disregarding the wireless card activation state (enabled or disabled).
Toggling works, however (it always produces a soft block).

In summary:
- with 13.10 and kernel version 3.11.0-24.41 the button works perfectly (toggling works, white led colour for enabled, orange for disabled), apart from the fact that it causes a soft block rather than a hard block (but maybe this is the desired behaviour)
- with 14.04 and kernel version 3.13.0-36.63 wifi toggling works, but most of the times the led says orange even when wifi is enabled (it doesn't happen always, but often... I still haven't understood when it happens, it seems randomly)
- with 15.04 from the daily live wifi toggling works, but the led stays always white, even when the wifi is disabled

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https://bugs.launchpad.net/bugs/1313196

Title:
  [HP ProBook 450 G1 Notebook PC] Wireless switch not working

Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  This system has a button to enable and disable the WLAN interface. This button has a LED on it: it's white when the WLAN is enabled, orange when it is not. Pressing this button, however, does not have any effect on both Ubuntu 13.10 and Mint 16 KDE (which is also based on Ubuntu 13.10). When I press this button, the following output is produced in dmesg:
  [ 1536.228861] atkbd serio0: Unknown key pressed (translated set 2, code 0xf8 on isa0060/serio0).
  [ 1536.228872] atkbd serio0: Use 'setkeycodes e078 <keycode>' to make it known.
  [ 1536.308669] atkbd serio0: Unknown key released (translated set 2, code 0xf8 on isa0060/serio0).
  [ 1536.308680] atkbd serio0: Use 'setkeycodes e078 <keycode>' to make it known.

  There's just a minor difference in behavior between Ubuntu and Mint:
  while in Mint the led correctly turns white when the WLAN interface is
  enabled (and the outcome of "rfkill block/unblock" is correctly
  reflected by the button led color), in Ubuntu this led seems to always
  stay orange, even if the WLAN interface is active (and connection is
  correctly established). Please note that I only tried to run Ubuntu
  from a USB stick (no installation at all, no update performed).

  WORKAROUND: I can use rfkill block/unblock to enable/disable the WLAN
  interface.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-12-generic 3.11.0-12.19
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  Uname: Linux 3.11.0-12-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ubuntu     2907 F.... pulseaudio
   /dev/snd/controlC0:  ubuntu     2907 F.... pulseaudio
  CasperVersion: 1.336ubuntu1
  Date: Sat Apr 26 20:39:42 2014
  LiveMediaBuild: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: Hewlett-Packard HP ProBook 450 G1
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/username.seed boot=casper quiet splash --
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-12-generic N/A
   linux-backports-modules-3.11.0-12-generic  N/A
   linux-firmware                             1.116
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/13/2014
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: L74 Ver. 01.08
  dmi.board.name: 1942
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 89.10
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvrL74Ver.01.08:bd02/13/2014:svnHewlett-Packard:pnHPProBook450G1:pvrA3009DD10303:rvnHewlett-Packard:rn1942:rvrKBCVersion89.10:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP ProBook 450 G1
  dmi.product.version: A3009DD10303
  dmi.sys.vendor: Hewlett-Packard

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