kernel-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Nir Soffer, as per
http://www.asus.com/Notebooks_Ultrabooks/Eee_PC_X101CH/#support_Download_8
an update is available for your BIOS (1203). If you update to this, does
it change anything?

If not, 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

Thank you for your understanding.

** Tags removed: workaround
** Tags added: bios-outdated-1203 needs-upstream-testing regression-potential

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

** Summary changed:

- Display brightness is always 0 and the screen is hardly readble after boot on Asus X101CH
+ [Asus Eee PC X101CH] Display brightness is always 0 and the screen is hardly readble after boot

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https://bugs.launchpad.net/bugs/1140614

Title:
  [Asus Eee PC X101CH] Display brightness is always 0 and the screen is
  hardly readble after boot

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  After boot, display brightness is always 0 and the screen is hardly readable.
  cat /sys/class/backlight/acpi_video0/brightness -> 7
  cat /sys/class/backlight/psb-bl/brightness -> 0

  Workadound

  To fix the system brightness, open the terminal application and run
  these commands:

  sudo -s
  [enter your password]
  echo 80 > /sys/class/backlight/psb-bl/brightness
  exit

  For permentant fix edit /etc/rc.local as root, and add this line
  before the line "exit 0":

  echo 80 > /sys/class/backlight/psb-bl/brightness

  You may use any value from 0 to 100 instead of 80.
  --- 
  ApportVersion: 2.6.1-0ubuntu10
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  nirs       2070 F.... pulseaudio
  DistroRelease: Ubuntu 12.10
  HibernationDevice: RESUME=UUID=4cebec9a-7504-469c-8677-d25304edfd40
  InstallationDate: Installed on 2012-06-08 (267 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  MachineType: ASUSTeK COMPUTER INC. X101CH
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB: 0 psbfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.5.0-26-generic root=UUID=8a182610-1789-4b8d-b2e3-18f776104030 ro crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.5.0-26.40-generic 3.5.7.6
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-26-generic N/A
   linux-backports-modules-3.5.0-26-generic  N/A
   linux-firmware                            1.95
  Tags:  quantal
  Uname: Linux 3.5.0-26-generic i686
  UpgradeStatus: Upgraded to quantal on 2013-02-22 (7 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 01/06/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X101CH.0501
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: X101CH
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: x.xx
  dmi.chassis.asset.tag: 0x00000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: x.x
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX101CH.0501:bd01/06/2012:svnASUSTeKCOMPUTERINC.:pnX101CH:pvrx.x:rvnASUSTeKCOMPUTERINC.:rnX101CH:rvrx.xx:cvnASUSTeKCOMPUTERINC.:ct10:cvrx.x:
  dmi.product.name: X101CH
  dmi.product.version: x.x
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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