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[Peter-jezdec <1300349@xxxxxxxxxxxxxxxxxx>]

I've made some progress in testing. I've seen three states that any
particular configuration boots into. I wrote pass for the one where the
video appears normal, fail for the one where the video appears
interlaced (also with strange colors), and blank for a third possibility
where the screen is blank. Some of the comments below apply to other
kernels than the ones I list them with, but I only listed them with the
kernel versions I positively tested them on:

ubuntu-12.04.1-desktop-amd64.iso combined with any appropriate kernel is a pass:
3.2.0-23: pass, linux console has huge font, flashes trash on mode switch
3.2.0-60: pass, linux console has normal font, becomes blank (irreversibly) when switching virtual terminals or logging out (but not when shutting down)
3.2.0-61: pass

ubuntu-12.04.2-desktop-amd64.iso: mixed, see below
3.5.0-23:fail, linux console has normal font
3.5.0-23 comes with the iso; the other kernels I tested, I got by git checkout from git://kernel.ubuntu.com/ubuntu/ubuntu-quantal.git. Here is the version range that seems interesting:
    3.5.0-16.25: pass
    3.5.0-17.26: blank
    3.5.0-17.27
    3.5.0-17.28: blank
    3.5.0-18.29: blank
    3.5.0-19.30
    3.5.0-20.31
    3.5.0-21.32: fail
I presume that the appropriate range for bisection is 3.5.0-16.25 to 3.5.0-17.26. I need to learn about git bisect, but I get the impression that it amounts to automated checkout of versions for a binary search for the offending commit.

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https://bugs.launchpad.net/bugs/1300349

Title:
  8086:0a16 [Dell Inspiron 17R 5737] Video looks interlaced

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  The video looks like interlaced video where every other line is
  shifted. This occurs in 12.04.3 - 14.04 beta2. This doesn't occur in
  12.04.0.

  ---
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ubuntu     2164 F.... pulseaudio
   /dev/snd/controlC0:  ubuntu     2164 F.... pulseaudio
  CasperVersion: 1.339
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  LiveMediaBuild: Ubuntu 14.04 LTS "Trusty Tahr" - Beta amd64 (20140326)
  MachineType: Dell Inc. Inspiron 5737
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  ProcVersionSignature: Ubuntu 3.13.0-19.40-generic 3.13.6
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-19-generic N/A
   linux-backports-modules-3.13.0-19-generic  N/A
   linux-firmware                             1.126
  StagingDrivers: rts5139
  Tags:  trusty staging
  Uname: Linux 3.13.0-19-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 11/12/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 04X8RP
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A07
  dmi.modalias: dmi:bvnDellInc.:bvrA07:bd11/12/2013:svnDellInc.:pnInspiron5737:pvrA07:rvnDellInc.:rn04X8RP:rvrA00:cvnDellInc.:ct8:cvrA07:
  dmi.product.name: Inspiron 5737
  dmi.product.version: A07
  dmi.sys.vendor: Dell Inc.

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