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[Launchpad Bug Tracker <1033642@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/1033642

Title:
  external VGA projector output appears wavy on Dell e6220 with Intel
  Sandybridge Mobile driver (i915)

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  Description:	Ubuntu 12.04 LTS
  Release:	12.04

  xserver-xorg-video-intel:
    Installed: 2:2.17.0-1ubuntu4

  compiz:
    Installed: 1:0.9.7.8-0ubuntu1.2

  linux-image-generic:
    Installed: 3.2.0.27.29

  OS Type: 64 bit

  Recently, external monitor output from  my laptop has started being
  wavy and hard to see.  Additionally the screen resolution on the
  laptop monitor does not seem to be correct (output does not fill
  entire screen).  It is almost as if the resolution for the external
  monitor and the refresh rate for the internal LCD displays were being
  switched.

  This behaviour is definitely a regression from versions of Ubuntu
  prior to Precise, but may also be a recent regression on Precise
  itself (I am not sure when I last tried an external monitor).  I also
  note that I randomly get "Ubuntu has encountered an error" messages
  that appear with or without an external monitor and occasionally
  Compiz dies, but I have no idea if these are connected to the problems
  I am having with the external monitor.

  This behaviour would seem similar to Bug #614238, but a fix has supposedly been released for that bug some time ago.
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu11
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: STAC92xx Analog [STAC92xx Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  dmk        1913 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xe1c60000 irq 46'
     Mixer name	: 'Intel CougarPoint HDMI'
     Components	: 'HDA:111d76e7,102804a9,00100102 HDA:80862805,80860101,00100000'
     Controls      : 37
     Simple ctrls  : 13
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=be2bc815-c5b7-4e99-88ed-aa2f178df431
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  MachineType: Dell Inc. Latitude E6220
  NonfreeKernelModules: wl
  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-3.2.0-27-generic root=UUID=5636a39f-0d79-4276-b194-149a4817723a ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-27-generic N/A
   linux-backports-modules-3.2.0-27-generic  N/A
   linux-firmware                            1.79
  StagingDrivers: mei
  Tags:  precise running-unity staging
  Uname: Linux 3.2.0-27-generic x86_64
  UpgradeStatus: Upgraded to precise on 2012-05-03 (95 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 09/19/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A03
  dmi.board.name: 0R97MN
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA03:bd09/19/2011:svnDellInc.:pnLatitudeE6220:pvr01:rvnDellInc.:rn0R97MN:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E6220
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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