** Summary changed:

- [saucy] scrolling with a touchpad is now a bit jerky
+ [saucy] scrolling with a touchpad is jerky with bindings  set in compiz for 
Desktop-based Viewport Switching

** Description changed:

  Hello,
  
  Scrolling with a touchpad is now a bit jerky.
  
  It's exactly the same bug than bug #1171156 introduced in Raring by an
  upstream's patch in order to fix bug #1046988 (which was tracked by
  upstream there: https://bugzilla.gnome.org/show_bug.cgi?id=690275 )
  
  * Impact:
  Up & down scrolling with a touchpad is now a bit jerky, seen best with gedit 
in large files though also seems to affect nautilus & in general.
  
  * Testcase:
+ Set any bindings in Viewport Switcher > Desktop-based Viewport switching
  try scrolling in long documents in gedit using a touchpad, is scrolling 
"jerky"?
  
  * Videos:
  Before: 
https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1171156/+attachment/3650661/+files/gtk_scroll_1171156_without_patch.ogv
  After: 
https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1171156/+attachment/3650662/+files/gtk_scroll_1171156_with_patch.ogv
  
  * Note:
  It seems this bug doesn't affect Gnome-Shell session: 
https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1171156/comments/10
  
  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: libgtk-3-0 3.8.2-0ubuntu1
  ProcVersionSignature: Ubuntu 3.9.0-2.7-generic 3.9.3
  Uname: Linux 3.9.0-2-generic x86_64
  ApportVersion: 2.10.2-0ubuntu1
  Architecture: amd64
  Date: Sat May 25 17:44:01 2013
  InstallationDate: Installed on 2011-08-10 (653 days ago)
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110803.1)
  MarkForUpload: True
  SourcePackage: gtk+3.0
  UpgradeStatus: No upgrade log present (probably fresh install)

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https://bugs.launchpad.net/bugs/1184159

Title:
  [saucy] scrolling with a touchpad is jerky with bindings  set in
  compiz for Desktop-based Viewport Switching

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