Gnome Classic: Applications doesn't run in full screen mode

[arky]

While using Gnome Classic mode (using gnome-session-fallback) applications running in full screen mode are interrupted and top , bottom gnome-panel appear automatically.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gnome-common 3.1.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24
Uname: Linux 3.2.0-29-generic i686
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu12
Architecture: i386
Date: Mon Aug 27 20:46:19 2012
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_US:en
 TERM=xterm
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-common
UpgradeStatus: Upgraded to precise on 2012-05-06 (113 days ago)