unity bar is not displayed in main window

[stop]

After latest updates the unity bar has moved from my main window to my secondary (left of main) window.... It was working as expected in all previous versions, even in previous ubuntu release...

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: unity 4.18.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu2
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,imgpng,mousepoll,grid,zoom,wall,vpswitch,wobbly,gnomecompat,resize,regex,unitymtgrabhandles,move,place,session,animation,workarounds,expo,fade,animationaddon,scale,ezoom,unityshell]
Date: Wed Sep 28 16:55:24 2011
EcryptfsInUse: Yes
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: unity
UpgradeStatus: Upgraded to oneiric on 2011-08-31 (27 days ago)

[Omer Akram (om26er)]

I hope there is a session at this UDS called "Unity and multimonitors" so that all the design and technical things be discussed.