[Bug 987941] Re: Ubuntu Installer Slideshow - Severe tearing when changing slides

[John M.K.]

*** This bug is a duplicate of bug 987949 ***
    https://bugs.launchpad.net/bugs/987949

@Dylan

How about Unity?

When you did full install, did your system default to Unity 2D or Unity
3D?

If your system defaults to Unity 2D, which is wrong as your integrated
graphics supports at least OpenGL 3.0, it means that this possibly still
feels like a duplicate of bug #987949.

But in that case, the description of bug #987949  needs to be updated to
not mention the existence of hybrid systems with Optimus technology, but
rather Sandy bridge systems (I think they all come with integrated
graphics activated).

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https://bugs.launchpad.net/bugs/987941

Title:
  Ubuntu Installer Slideshow - Severe tearing when changing slides

Status in “ubiquity-slideshow-ubuntu” package in Ubuntu:
  Confirmed
Status in “webkit” package in Ubuntu:
  Confirmed

Bug description:
  I just installed Ubuntu 12.04 from a daily built.

  Aside from the installation being slower than usual, whenever I
  changed Slide on the Slideshow, severe tearing occured during
  transitions.

  Actually you could see randomly distributed and randomly sized grey
  rectangles moving along with the transitions.

  It is the first time I fully install Ubuntu 12.04, but I have never
  experienced the same issue with previous Ubuntu versions, as far as
  the slideshow goes. So, AFAIK it is a regression for my system

  Note: It might be the graphics drivers for my system to blame, I see
  noticable tearing whenever I move windows around, and smooth scrolling
  is noticably worse than it used to in Ubuntu 11.10.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubiquity-slideshow-ubuntu (not installed)
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu5
  Architecture: amd64
  Date: Tue Apr 24 20:19:49 2012
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity-slideshow-ubuntu
  UpgradeStatus: No upgrade log present (probably fresh install)

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