Would it be possible for you to test the latest upstream stable kernel?
Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the
latest v3.2 stable kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:

If you are unable to test the mainline kernel, for example it will not boot, 
please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as 

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.2.50-precise

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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

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  Screen blank or shaking if boot without nomodeset

Status in “linux” package in Ubuntu:

Bug description:
  Booting with kernel 3.2.0-29 works normally. After upgrading to
  3.2.0-52 the screen started shaking erratically and it was very hard
  to make out anything on it. Adding the "nomodeset" parameter to boot
  work as a workaround but also seems to make X.org use the vesa driver
  instead of intel -> slower desktop.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-52-generic-pae 3.2.0-52.78
  ProcVersionSignature: Ubuntu 3.2.0-52.78-generic-pae 3.2.48
  Uname: Linux 3.2.0-52-generic-pae i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu17.4
  Architecture: i386
   /dev/snd/controlC0:  boris      1435 F.... pulseaudio
   /dev/snd/pcmC0D0p:   boris      1435 F...m pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 
not found.
   Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with CS4299 at irq 17'
     Mixer name : 'Cirrus Logic CS4299 rev 4'
     Components : 'AC97a:43525934'
     Controls      : 36
     Simple ctrls  : 22
   [   32.584162] init: plymouth-stop pre-start process (1084) terminated with 
status 1
   [   40.640081] usb0: no IPv6 routers present
  Date: Thu Aug 22 16:22:36 2013
  HibernationDevice: RESUME=UUID=718d9113-3f55-4b19-83c6-7fda47b2bf4d
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386 
   lo        no wireless extensions.
   usb0      no wireless extensions.
   eth0      no wireless extensions.
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 001 Device 002: ID 04e8:6863 Samsung Electronics Co., Ltd
  MachineType: Acer TravelMate 230
  MarkForUpload: True
   Socket 0:
     no product info available
   Socket 0:
     no card
   PATH=(custom, no user)
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-52-generic-pae 
root=UUID=feeb7402-00e6-41ef-94c5-d3224fe7eda1 ro quiet splash nohz=off 
nomodeset vt.handoff=7
   linux-restricted-modules-3.2.0-52-generic-pae N/A
   linux-backports-modules-3.2.0-52-generic-pae  N/A
   linux-firmware                                1.79.6
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/30/2003
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: R01-A1D
  dmi.board.name: GENERIC
  dmi.board.vendor: WISTRON
  dmi.board.version: Rev.A
  dmi.chassis.type: 1
  dmi.chassis.vendor: Acer
  dmi.chassis.version: N/A
  dmi.product.name: TravelMate 230
  dmi.product.version: -1
  dmi.sys.vendor: Acer

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