** Description changed:

  I am running Kubuntu 12.10 on a toshiba Z835-P330 laptop.
  
  From within windows, the keyboard command "FN+Z" turns on and off the
  keyboard backlight (retrolight).  From within linux, the command does
  nothing.
  
  Setting the backlight in the bios to "always on" turns on the backlight
  always, which works, but is not ideal as I have to restart to turn on or
  off the backlight.
  
  I can provide any dumps of hardware or anything needed.
  
  Also, I can provide the windows driver for the backlight if that is
  helpful.
  
- Nothing shows up in /var/log/syslog on press of FN+Z, but other FN 
combinations do show up.
- --- 
+ Nothing shows up in /var/log/syslog on press of FN+Z, but other FN
+ combinations do show up.
+ 
+ Here is the output from xev.
+ 
+ KeyPress event, serial 43, synthetic NO, window 0x5400001,
+     root 0xc3, subw 0x0, time 369303, (671,168), root:(674,191),
+     state 0x0, keycode 248 (keysym 0x0, NoSymbol), same_screen YES,
+     XLookupString gives 0 bytes: 
+     XmbLookupString gives 0 bytes: 
+     XFilterEvent returns: False
+ 
+ KeyRelease event, serial 43, synthetic NO, window 0x5400001,
+     root 0xc3, subw 0x0, time 369303, (671,168), root:(674,191),
+     state 0x0, keycode 248 (keysym 0x0, NoSymbol), same_screen YES,
+     XLookupString gives 0 bytes: 
+     XFilterEvent returns: False
+ 
+ KeyPress event, serial 43, synthetic NO, window 0x5400001,
+     root 0xc3, subw 0x0, time 369503, (671,168), root:(674,191),
+     state 0x0, keycode 248 (keysym 0x0, NoSymbol), same_screen YES,
+     XLookupString gives 0 bytes: 
+     XmbLookupString gives 0 bytes: 
+     XFilterEvent returns: False
+ 
+ KeyRelease event, serial 43, synthetic NO, window 0x5400001,
+     root 0xc3, subw 0x0, time 369503, (671,168), root:(674,191),
+     state 0x0, keycode 248 (keysym 0x0, NoSymbol), same_screen YES,
+     XLookupString gives 0 bytes: 
+     XFilterEvent returns: False
+ 
+ 
+ ---
  ApportVersion: 2.6.1-0ubuntu9
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  jeff       1977 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  jeff       1977 F.... pulseaudio
  DistroRelease: Ubuntu 12.10
  HibernationDevice: RESUME=UUID=730b5605-4a5a-460a-bd4f-7409fd85c21d
  InstallationDate: Installed on 2012-10-31 (51 days ago)
  InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64 
(20121017.1)
  MachineType: TOSHIBA PORTEGE Z835
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-21-generic 
root=UUID=a249dd88-32fd-4a50-a7a0-9f561720769d ro quiet splash acpi_osi=Linux 
acpi_backlight=vendor pcie_aspm=force i915.i915_enable_rc6=1 
i915.lvds_downclock=1 vt.handoff=7
  ProcVersionSignature: Ubuntu 3.5.0-21.32-generic 3.5.7.1
  PulseList:
-  Error: command ['pacmd', 'list'] failed with exit code 1: Home directory 
/home/jeff not ours.
-  No PulseAudio daemon running, or not running as session daemon.
+  Error: command ['pacmd', 'list'] failed with exit code 1: Home directory 
/home/jeff not ours.
+  No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
-  linux-restricted-modules-3.5.0-21-generic N/A
-  linux-backports-modules-3.5.0-21-generic  N/A
-  linux-firmware                            1.95
+  linux-restricted-modules-3.5.0-21-generic N/A
+  linux-backports-modules-3.5.0-21-generic  N/A
+  linux-firmware                            1.95
  RfKill:
-  0: phy0: Wireless LAN
-       Soft blocked: no
-       Hard blocked: no
+  0: phy0: Wireless LAN
+   Soft blocked: no
+   Hard blocked: no
  Tags:  quantal
  Uname: Linux 3.5.0-21-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: lp lpadmin
  dmi.bios.date: 02/08/2012
  dmi.bios.vendor: TOSHIBA
  dmi.bios.version: Version 1.60
  dmi.board.asset.tag: 0000000000
  dmi.board.name: Portable PC
  dmi.board.vendor: TOSHIBA
  dmi.board.version: Version A0
  dmi.chassis.asset.tag: 0000000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: TOSHIBA
  dmi.chassis.version: Version 1.0
  dmi.modalias: 
dmi:bvnTOSHIBA:bvrVersion1.60:bd02/08/2012:svnTOSHIBA:pnPORTEGEZ835:pvrPT224U-001001:rvnTOSHIBA:rnPortablePC:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0:
  dmi.product.name: PORTEGE Z835
  dmi.product.version: PT224U-001001
  dmi.sys.vendor: TOSHIBA

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https://bugs.launchpad.net/bugs/1092801

Title:
  Keyboard backlight cannot be controlled from within ubuntu

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