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[Bug 392948] Re: LCD Brightness won't Change - intel 4 series

 

ApportVersion: 2.13.1-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  marcsof    1981 F.... pulseaudio
CurrentDesktop: Unity
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=UUID=6b2de794-d05a-4676-8d02-6074461ec21d
InstallationDate: Installed on 2014-01-22 (0 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140122)
MachineType: Acer Aspire 5738
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-5-generic root=UUID=b3f26bee-1d0d-4ab9-b034-db0607074431 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-5-generic N/A
 linux-backports-modules-3.13.0-5-generic  N/A
 linux-firmware                            1.121
Tags:  trusty
Uname: Linux 3.13.0-5-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 09/24/2010
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.34
dmi.board.name: JV50_MV
dmi.board.vendor: Acer
dmi.board.version: Rev
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.34:bd09/24/2010:svnAcer:pnAspire5738:pvr0100:rvnAcer:rnJV50_MV:rvrRev:cvnAcer:ct10:cvrN/A:
dmi.product.name: Aspire 5738
dmi.product.version: 0100
dmi.sys.vendor: Acer


** Tags added: apport-collected trusty

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https://bugs.launchpad.net/bugs/392948

Title:
  LCD Brightness won't Change - intel 4 series

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: acpid

  ACPID: acpid-1.0.6
  Distributor ID:	Ubuntu
  Description:	Ubuntu 9.04
  Release:	9.04
  Codename:	jaunty
  kernel: 2.6.28-13-generic
  ---------------------------------------------------

  Problem:
  * FN+LEFT_ARROW key is suppose to reduce LCD brightness is not working.
  * FN+RIGHT_ARROW key is suppose to increase LCD brightness is not working.
  * Notification is working according to key press(for brightness) but the LCD brightness wont change.
  * try to look for acpid log but seems like acpid do not have log in /var/log <-- Which is weird

  ---------------------------------------------------

  Hardware information:

  00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 09)
  00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 09)
  00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 09)

  Please let me know if you need more information to solve/get clear
  look on the problem.

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