rich painter, in order to allow additional upstream developers to examine the 
issue, at your earliest convenience, could you please test the latest upstream 
kernel available from http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D ? 
Please keep in mind the following:
1) The one to test is at the very top line at the top of the page (not the 
daily folder).
2) The release names are irrelevant.
3) The folder time stamps aren't indicative of when the kernel actually was 
released upstream.
4) Install instructions are available at 
https://wiki.ubuntu.com/Kernel/MainlineBuilds .

If testing on your main install would be inconvenient, one may:
1) Install Ubuntu to a different partition and then test this there.
2) Backup, or clone the primary install.

If the latest kernel 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 issue is fixed in the mainline kernel, please 
add the following tags by clicking on the yellow circle with a black pencil 
icon, next to the word Tags, located at the bottom of the report description:
kernel-fixed-upstream
kernel-fixed-upstream-X.Y-rcZ

Where X, and Y are the first two numbers of the kernel version, and Z is
the release candidate number if it exists.

If the mainline kernel does not fix the issue, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-X.Y-rcZ

Please note, an error to install the kernel does not fit the criteria of
kernel-bug-exists-upstream.

Also, you don't need to apport-collect further unless specifically
requested to do so.

It is most helpful that after testing of the latest upstream kernel is
complete, you mark this report Status Confirmed.

Lastly, to keep this issue relevant to upstream, please continue to test
the latest mainline kernel as it becomes available.

Thank you for your help.

** Tags added: bios-outdated-2.67 regression-release

** Description changed:

- System: Lenovo Thinkpad T530 laptop
- OS: ubuntu 14.04 LTS, kernel 3.19.0-66-generic 64bit
- lsb_release -rd
- Description:  Ubuntu 14.04.5 LTS
- Release:      14.04
+ Using kernel 3.19.0-66-generic the keyboard backlight and screen-top
+ illuminator work.
  
- With the above configuration the keyboard backlights and screen-top
- illuminator work as they are supposed to.
+ However, after upgrading to kernel 4.4 the keyboard backlight and
+ screen-top illuminator come on without hitting the special keys. When it
+ returns from screen saver when I hit the return key these lights come on
+ also.
  
- In August I received the 1404_HWE_EOL update popup. Image taken today is 
attached.
- I installed the ubuntu 1404_HWE_EOL which installed (I think) some 4.4 kernel.
- 
- After installing, the keyboard backlights and screen-top illuminator
- come on without hitting the special keys. When it returns from screen
- saver when I hit the return key these lights come on also.
- 
- If I reboot to the old kernel all is well. So something is broken in the
- kernel that is installed with the 1404_HWE_EOL
- 
- So I deleted this new kernel for now.
- 
- The popup comes up constantly for almost 4 months now, many many times
- per day. This is a huge annoyance.
- 
- More seriously is that no other updates are coming in. This poses
- security issues at a minimum.
- 
- Accepting the update causes the backlights and screen-top illuminator to
- go on with every screen saver operation which is just as annoying.
- 
- 
- This was reported here without any response to date:
- 
http://askubuntu.com/questions/817383/ubuntu-1404-hwe-eol-kernel-breaks-thinkpad-t530-keyboard-backlight
- 
- This was reported here without any response to date:
- 
https://forums.lenovo.com/t5/Linux-Discussion/T530-Keyboard-backlight-comes-on-when-screen-saver-goes-off-once/m-p/3457674#M112494
- 
- Lenovo T530 BIOS info:
- 
- Package (ID) UEFI BIOS (BIOS ID) ECP (ECP ID) Rev. Issue Date
- -------------------- ------------------- --------------- ---- -----------
- 2.67 (G4UJ31UC) 2.67 (G4ETA7WW) 1.13 (G4HT39WW) 01 2016/09/09
- 
- I hope someone can fix this so I can move forward and stop the annoyances to 
boot.
- regards
- 
- oldunixguy
- --- 
+ ---
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  painter    3092 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  painter    3092 F.... pulseaudio
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=05f2d9dc-173d-41bc-8332-7d0a6e7394fa
  InstallationDate: Installed on 2014-11-23 (741 days ago)
  InstallationMedia: Ubuntu-GNOME 14.04.1 LTS "Trusty Tahr" - Release amd64 
(20140722.2)
  MachineType: LENOVO 2359CTO
  Package: linux (not installed)
  ProcEnviron:
-  TERM=xterm-256color
-  PATH=(custom, no user)
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  TERM=xterm-256color
+  PATH=(custom, no user)
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-51-generic 
root=UUID=349d96ad-2412-45a5-b1d9-46eb9050bce1 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.4.0-51.72~14.04.1-generic 4.4.30
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
-  linux-restricted-modules-4.4.0-51-generic N/A
-  linux-backports-modules-4.4.0-51-generic  N/A
-  linux-firmware                            1.127.22
+  linux-restricted-modules-4.4.0-51-generic N/A
+  linux-backports-modules-4.4.0-51-generic  N/A
+  linux-firmware                            1.127.22
  Tags:  trusty
  Uname: Linux 4.4.0-51-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
-  
+ 
  _MarkForUpload: True
  dmi.bios.date: 09/10/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: G4ETA5WW (2.65 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 2359CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrG4ETA5WW(2.65):bd09/10/2015:svnLENOVO:pn2359CTO:pvrThinkPadT530:rvnLENOVO:rn2359CTO:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2359CTO
  dmi.product.version: ThinkPad T530
  dmi.sys.vendor: LENOVO

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

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1645985

Title:
  ubuntu 1404_HWE_EOL kernel breaks Thinkpad T530 keyboard backlight
  operation

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Using kernel 3.19.0-66-generic the keyboard backlight and screen-top
  illuminator work.

  However, after upgrading to kernel 4.4 the keyboard backlight and
  screen-top illuminator come on without hitting the special keys. When
  it returns from screen saver when I hit the return key these lights
  come on also.

  ---
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  painter    3092 F.... pulseaudio
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=05f2d9dc-173d-41bc-8332-7d0a6e7394fa
  InstallationDate: Installed on 2014-11-23 (741 days ago)
  InstallationMedia: Ubuntu-GNOME 14.04.1 LTS "Trusty Tahr" - Release amd64 
(20140722.2)
  MachineType: LENOVO 2359CTO
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-51-generic 
root=UUID=349d96ad-2412-45a5-b1d9-46eb9050bce1 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.4.0-51.72~14.04.1-generic 4.4.30
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-51-generic N/A
   linux-backports-modules-4.4.0-51-generic  N/A
   linux-firmware                            1.127.22
  Tags:  trusty
  Uname: Linux 4.4.0-51-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

  _MarkForUpload: True
  dmi.bios.date: 09/10/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: G4ETA5WW (2.65 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 2359CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrG4ETA5WW(2.65):bd09/10/2015:svnLENOVO:pn2359CTO:pvrThinkPadT530:rvnLENOVO:rn2359CTO:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2359CTO
  dmi.product.version: ThinkPad T530
  dmi.sys.vendor: LENOVO

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