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[Bug 1157642] Re: 8086:0166 [Lenovo ThinkPad T430s] Brightness hotkeys stopped working after upgrade


Jacek Nykis, as per http://download.lenovo.com/express/ddfm.html an update is available for your BIOS (2.57). If you update to this following https://help.ubuntu.com/community/BiosUpdate , does it change anything? If it doesn't, could you please both specify what happened, and just provide the output of the following terminal command:
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date

For more on BIOS updates and linux, please see

Thank you for your understanding.

** Summary changed:

- Brightness hotkeys stopped working after upgrade on ThinkPad T430s
+ 8086:0166 [Lenovo ThinkPad T430s] Brightness hotkeys stopped working after upgrade

** This bug is no longer a duplicate of bug 1098216
   Regression in brightness control on Lenovo Thinkpad X230 (+tablet) and X1 Carbon

** Tags added: bios-outdated-2.57

** Changed in: linux (Ubuntu)
   Importance: Medium => Low

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

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  8086:0166 [Lenovo ThinkPad T430s] Brightness hotkeys stopped working
  after upgrade

Status in “linux” package in Ubuntu:

Bug description:
  I have upgraded to Raring and brightness hotkeys (Fn+ F8, Fn+F9)
  stopped working properly.

  * I can set brightness from systems setting without any problems
  * when I set brightness to 100% in system settings and use hotkeys brightness will not change however I can see notification
  * when I set brightness in system setting to around 50% hotkeys work but only between 10%-70% range (they do not allow full brighthess or lowest values

  I am runnign latest raring build

  Description:	Ubuntu Raring Ringtail (development branch)
  Release:	13.04
  Codename:	raring

    Installed: 3.8.0-13.23

  I am not sure if relevant but I this appeared in dmesg few times:
  [ 1165.800370] thinkpad_acpi: unknown possible thermal alarm or keyboard event received
  [ 1165.800387] thinkpad_acpi: unhandled HKEY event 0x6040
  [ 1165.800390] thinkpad_acpi: please report the conditions when this event happened to ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx
  [ 1165.800909] thinkpad_acpi: EC reports that Thermal Table has changed
  ApportVersion: 2.9.2-0ubuntu1
  Architecture: amd64
   /dev/snd/controlC0:  jacek      2522 F.... pulseaudio
   /dev/snd/pcmC0D0p:   jacek      2522 F...m pulseaudio
  DistroRelease: Ubuntu 13.04
  HibernationDevice: RESUME=UUID=4c0f6035-5c59-47b1-9548-d9d721c47ef9
  InstallationDate: Installed on 2013-01-19 (60 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MachineType: LENOVO 2353CTO
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-13-generic root=/dev/mapper/ubuntu-root ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.8.0-13.23-generic 3.8.3
   linux-restricted-modules-3.8.0-13-generic N/A
   linux-backports-modules-3.8.0-13-generic  N/A
   linux-firmware                            1.104
  Tags:  raring
  Uname: Linux 3.8.0-13-generic x86_64
  UpgradeStatus: Upgraded to raring on 2013-03-19 (1 days ago)
  UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo
  dmi.bios.date: 11/12/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: G7ET63WW (2.05 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 2353CTO
  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:bvrG7ET63WW(2.05):bd11/12/2012:svnLENOVO:pn2353CTO:pvrThinkPadT430s:rvnLENOVO:rn2353CTO:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2353CTO
  dmi.product.version: ThinkPad T430s
  dmi.sys.vendor: LENOVO

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