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[Bug 1221790] Re: 8086:0166 [ThinkPad X1 Carbon] Screen brightness is maximum upon fresh boot

 

Anmar Oueja, thank you for providing the requested information. Could
you please confirm this issue exists with the latest development release
of Ubuntu? ISO images are available from http://cdimage.ubuntu.com
/daily-live/current/ . If the issue remains, could you please just make
a comment to this?

** Tags removed: bios-outdated-2.59
** Tags added: latest-bios-2.59

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https://bugs.launchpad.net/bugs/1221790

Title:
  8086:0166 [ThinkPad X1 Carbon] Screen brightness is maximum upon fresh
  boot

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Hello,

  Trouble:  Everytime I restart or cold boot my Thinkpad X1 laptop, my
  screen brightness is set to maximum.

  Expected Behaviour: Brighteness setting is retained between reboots

  My laptop uses UEFI.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-4-generic 3.11.0-4.9
  ProcVersionSignature: Ubuntu 3.11.0-4.9-generic 3.11.0-rc7
  Uname: Linux 3.11.0-4-generic x86_64
  ApportVersion: 2.12.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  anmar      1798 F.... pulseaudio
  Date: Fri Sep  6 11:20:05 2013
  HibernationDevice: RESUME=UUID=2e39ee55-2a87-4298-a2d0-1c8ef5de5a96
  InstallationDate: Installed on 2013-08-09 (27 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130809)
  MachineType: LENOVO 3443CTO
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-4-generic.efi.signed root=UUID=1784df7c-8b5f-4550-84f2-13e73c2915fe ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-4-generic N/A
   linux-backports-modules-3.11.0-4-generic  N/A
   linux-firmware                            1.113
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/29/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: G6ET96WW (2.56 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 3443CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Win8 STD DPK TPG
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrG6ET96WW(2.56):bd04/29/2013:svnLENOVO:pn3443CTO:pvrThinkPadX1Carbon:rvnLENOVO:rn3443CTO:rvrWin8STDDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 3443CTO
  dmi.product.version: ThinkPad X1 Carbon
  dmi.sys.vendor: LENOVO

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