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[Bug 1313892] Re: Display Brightness not Adjustable

 

Ben, as per http://www.sony.co.uk/support/en/content/cnt-
dwnl/VPCZ21C5E/list an update to your computer's buggy and outdated BIOS
is available (R0173H5). 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 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
https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette
.

Please note your current BIOS is already in the Bug Description, so
posting this on the old BIOS would not be helpful. As well, you don't
have to create a new bug report.

Once the BIOS is updated, and the information above is provided, then
please mark this report Status New.

Thank you for your understanding.

** Tags added: bios-outdated-r0173h5

** Changed in: xorg (Ubuntu)
   Importance: Undecided => Low

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

-- 
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https://bugs.launchpad.net/bugs/1313892

Title:
  Display Brightness not Adjustable

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  After upgrade to 14.04, display brightness is does no longer
  adjustable through system configuration.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xorg 1:7.7+1ubuntu8
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,imgpng,vpswitch,place,gnomecompat,move,mousepoll,resize,snap,grid,unitymtgrabhandles,wall,session,regex,animation,fade,workarounds,expo,scale,ezoom,unityshell]
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Mon Apr 28 21:45:36 2014
  DistUpgraded: 2014-04-22 15:37:30,834 DEBUG enabling apt cron job
  DistroCodename: trusty
  DistroVariant: ubuntu
  DkmsStatus:
   virtualbox, 4.3.10, 3.11.0-19-generic, x86_64: installed
   virtualbox, 4.3.10, 3.13.0-24-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Sony Corporation Device [104d:9084]
  MachineType: Sony Corporation VPCZ21C5E
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-24-generic root=/dev/mapper/volgrp0-vol1 ro splash quiet nomdmonddf nomdmonisw vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: Upgraded to trusty on 2014-04-22 (6 days ago)
  dmi.bios.date: 06/16/2011
  dmi.bios.vendor: INSYDE
  dmi.bios.version: R0170H5
  dmi.board.asset.tag: N/A
  dmi.board.name: VAIO
  dmi.board.vendor: Sony Corporation
  dmi.board.version: N/A
  dmi.chassis.asset.tag: N/A
  dmi.chassis.type: 10
  dmi.chassis.vendor: Sony Corporation
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnINSYDE:bvrR0170H5:bd06/16/2011:svnSonyCorporation:pnVPCZ21C5E:pvrJ004MG71:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
  dmi.product.name: VPCZ21C5E
  dmi.product.version: J004MG71
  dmi.sys.vendor: Sony Corporation
  version.compiz: compiz 1:0.9.11+14.04.20140409-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.52-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu5
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu5
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
  xserver.bootTime: Sat Apr 26 16:17:49 2014
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                  37 
   vendor                                     MS_
  xserver.version: 2:1.15.1-0ubuntu2

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