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[Launchpad Bug Tracker <1149359@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

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

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https://bugs.launchpad.net/bugs/1149359

Title:
  [Dell Inspiron N5010] The System Freezes when decreasing and
  increasing screen light multiple times

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  I am using Dell inspiron n5010, I just installed Ubuntu 12.04 LTS and everything looks great, but when I tried to decrease the brightness of the screen, all of a sudden,  the system freezes, thus I restarted my laptop and I performed the same action again by decreasing the brightness and everything gone fine but when I intentionally increased the light it freezes again. Note that I uses the buttons on the keyboard to do these actions.
  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  ApportVersion: 2.0.1-0ubuntu17.1
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jsh        1620 F.... pulseaudio
  CRDA:
   country GB:
    (2402 - 2482 @ 40), (N/A, 20)
    (5170 - 5250 @ 40), (N/A, 20)
    (5250 - 5330 @ 40), (N/A, 20), DFS
    (5490 - 5710 @ 40), (N/A, 27), DFS
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xfbd00000 irq 47'
     Mixer name	: 'Intel IbexPeak HDMI'
     Components	: 'HDA:111d7605,10280447,00100105 HDA:80862804,80860101,00100000'
     Controls      : 24
     Simple ctrls  : 10
  DistroRelease: Ubuntu 12.04
  MachineType: Dell Inc. Inspiron N5010
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-23-generic root=UUID=1CD49D0DD49CE9F2 loop=/hostname/disks/root.disk ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.5.0-23.35~precise1-generic 3.5.7.2
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-23-generic N/A
   linux-backports-modules-3.5.0-23-generic  N/A
   linux-firmware                            1.79.1
  RfKill:
   0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
  Tags:  precise running-unity
  Uname: Linux 3.5.0-23-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 07/19/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A15
  dmi.board.name: 0WXY9J
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A15
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A15
  dmi.modalias: dmi:bvnDellInc.:bvrA15:bd07/19/2011:svnDellInc.:pnInspironN5010:pvrA15:rvnDellInc.:rn0WXY9J:rvrA15:cvnDellInc.:ct8:cvrA15:
  dmi.product.name: Inspiron N5010
  dmi.product.version: A15
  dmi.sys.vendor: Dell Inc.

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