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

Wim Symons, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1157144/comments/3
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** Changed in: linux (Ubuntu)
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/1157144

Title:
  [Dell Precision M4600] 2nd monitor flickers since kernel 3.5.0-19

Status in “linux” package in Ubuntu:
  Invalid

Bug description:
  My 2nd monitor (a Samsung SyncMaster 930BF) worked perfectly up to
  kernel 3.5.0.19-generic. Starting from 3.5.0-21-generic up to now
  (3.5.0-32-generic) the display is not usable. It just flickers very
  rapidly, making it impossible to work with.

  I tried to use xrandr to set a lower display rate, or even to supply a custom modeline. Nothing works.
  So now I just froze my kernel to 3.5.0-19 in the grub configuration, but I don't like it because I miss out on security updates.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: xorg 1:7.7+1ubuntu4
  ProcVersionSignature: Ubuntu 3.5.0-19.30-generic 3.5.7
  Uname: Linux 3.5.0-19-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.6.1-0ubuntu10
  Architecture: amd64
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  CompositorRunning: compiz
  Date: Tue Mar 19 12:34:50 2013
  DistUpgraded: 2012-10-19 11:20:50,891 DEBUG enabling apt cron job
  DistroCodename: quantal
  DistroVariant: ubuntu
  DkmsStatus: vboxhost, 4.2.10, 3.5.0-19-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Advanced Micro Devices [AMD] nee ATI Whistler XT [AMD Radeon HD 6700M Series] [1002:6740] (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:04a3]
  InstallationDate: Installed on 2012-05-14 (308 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MachineType: Dell Inc. Precision M4600
  MarkForUpload: True
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-19-generic root=UUID=f306ac5b-7656-4877-bf0a-4c41123e513e ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: Upgraded to quantal on 2012-10-19 (151 days ago)
  dmi.bios.date: 07/11/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A05
  dmi.board.name: 08V9YG
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA05:bd07/11/2011:svnDellInc.:pnPrecisionM4600:pvr01:rvnDellInc.:rn08V9YG:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Precision M4600
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.8.6-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu36
  version.libdrm2: libdrm2 2.4.39-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.0.2-0ubuntu0.1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.0.2-0ubuntu0.1
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120913.8637f772-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3

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