After upgrading to 12.04 amd64 gnome classic, panels have duplicated applets.

[keepitsimpleengr]

The panels ar black with menu hidden. All applets are doubled. Menus, Indicator Applet Complete, show the desktop, windows list, workplace switcher.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gnome-panel 1:3.4.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.38-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
Date: Mon May 21 22:01:17 2012
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-panel
UpgradeStatus: Upgraded to precise on 2012-05-21 (0 days ago)

[keepitsimpleengr (keepitsimpleengineer)]

In addition, the second screen has no panels.

[keepitsimpleengr (keepitsimpleengineer)]

On restart, the panels are completely unusable. Showstopper.

[keepitsimpleengr (keepitsimpleengineer)]

On another restart, there are multiple panels as well as multiple repeated icons on the "original" panel, see attachment

[keepitsimpleengr (keepitsimpleengineer)]

tried adding gnome-core, dropping unity, using gdm - no change

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.