Thank you for taking your time to report this bug to make Ubuntu better.
This behavior of stealing mouse movement is due to the sticky edge
option. You can disable it at Gnome System Settings -> Displays ->
Uncheck sticky edge. This will allow smooth movement across the
displays. Also for better movement you can also set the launcher to be
shown always. One of the reasons for implementing sticky edge is to help
reveal the launcher when it is in auto-hide.
** Changed in: unity (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/993783
Title:
unity launcher steals mouse motion on dual-head display
Status in “unity” package in Ubuntu:
Fix Released
Bug description:
On my dual-head system with screens in left-right juxtaposition, the
unity launcher now appears on the left of each screen. Fair enough,
it can be configured to hide itself. But it steals mouse movement
strongly, so that a rapid mouse move from one screen to the other
causes a long delay at the screen boundary -- longer than the cross-
screen mouse move, so quite an interruption.
A work-around is to auto-hide the launcher with reveal location set to
top left corner.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: unity 5.10.0-0ubuntu6
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
CompizPlugins:
[core,bailer,detection,composite,opengl,compiztoolbox,decor,gnomecompat,grid,move,mousepoll,resize,vpswitch,imgpng,wall,place,unitymtgrabhandles,snap,regex,animation,session,workarounds,fade,scale,expo,ezoom,unityshell]
Date: Thu May 3 09:01:00 2012
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
ProcEnviron:
TERM=xterm
PATH=(custom, user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: unity
UpgradeStatus: Upgraded to precise on 2012-05-03 (0 days ago)
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