Menubar loads in plasma panel, but no menus are visible or clickable in the panel. This has been the case following a significant set of updates to plasma workspace software. Here's the full list of updates from /var/log/apt/history:
Start-Date: 2012-02-03 16:54:35
Install: gnome-shell-common:i386 (3.2.2.1-0ubuntu0.1)
Upgrade: chromium-browser-l10n:i386 (16.0.912.75~r116452-0ubuntu0.11.10.1, 16.0.912.77~r118311-0ubuntu0.11.10.1), plasma-dataengines-workspace:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), plasma-netbook:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), chromium-codecs-ffmpeg:i386 (16.0.912.75~r116452-0ubuntu0.11.10.1, 16.0.912.77~r118311-0ubuntu0.11.10.1), libsolidcontrol4abi2:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), gnome-shell:i386 (3.2.1-0ubuntu1.1, 3.2.2.1-0ubuntu0.1), libkscreensaver5:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), usbmuxd:i386 (1.0.7-1, 1.0.7-1ubuntu0.11.10.1), brasero-cdrkit:i386 (3.2.0-0ubuntu1, 3.2.0-0ubuntu1.1), linux-headers-3.0.0-16-generic-pae:i386 (3.0.0-16.27, 3.0.0-16.28), freespacenotifier:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), python-software-properties:i386 (0.81.13.2, 0.81.13.3), brasero-common:i386 (3.2.0-0ubuntu1, 3.2.0-0ubuntu1.1), gir1.2-accountsservice-1.0:i386 (
0.6.14-1git1ubuntu1, 0.6.14-1git1ubuntu1.1), plasma-widgets-workspace:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), libdecoration0:i386 (0.9.6+bzr20110929-0ubuntu6, 0.9.6+bzr20110929-0ubuntu6.1), kde-workspace:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), libkephal4abi1:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), linux-headers-3.0.0-16:i386 (3.0.0-16.27, 3.0.0-16.28), lightdm:i386 (1.0.6-0ubuntu1.2, 1.0.6-0ubuntu1.3), kde-workspace-kgreet-plugins:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), chromium-browser:i386 (16.0.912.75~r116452-0ubuntu0.11.10.1, 16.0.912.77~r118311-0ubuntu0.11.10.1), accountsservice:i386 (0.6.14-1git1ubuntu1, 0.6.14-1git1ubuntu1.1), klipper:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), linux-image-3.0.0-16-generic-pae:i386 (3.0.0-16.27, 3.0.0-16.28), ksysguard:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), libplasma-geolocation-interface4:i386 (4.8.0b-11.
10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), linux-libc-dev:i386 (3.0.0-16.27, 3.0.0-16.28), kmenuedit:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), libprocessui4a:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), compiz-plugins-default:i386 (0.9.6+bzr20110929-0ubuntu6, 0.9.6+bzr20110929-0ubuntu6.1), compiz-plugins:i386 (0.9.6+bzr20110929-0ubuntu6, 0.9.6+bzr20110929-0ubuntu6.1), libksgrd4:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), libaccountsservice0:i386 (0.6.14-1git1ubuntu1, 0.6.14-1git1ubuntu1.1), kde-window-manager-common:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), libkdecorations4:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), liblightdm-gobject-1-0:i386 (1.0.6-0ubuntu1.2, 1.0.6-0ubuntu1.3), libkwinglutils1:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), kdebase-workspace-dev:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), kded-appmenu:i386 (0.1-0ubuntu0.1~gnumdk1,
0.1-0ubuntu0.1~gnumdk2), libplasmagenericshell4:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), systemsettings:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), libkwinglesutils1:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), kdm:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), libkworkspace4abi1:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), vino:i386 (3.2.0-0ubuntu1, 3.2.0-0ubuntu1.1), kde-style-oxygen:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), software-properties-common:i386 (0.81.13.2, 0.81.13.3), kinfocenter:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), software-properties-gtk:i386 (0.81.13.2, 0.81.13.3), libbrasero-media3-1:i386 (3.2.0-0ubuntu1, 3.2.0-0ubuntu1.1), software-properties-kde:i386 (0.81.13.2, 0.81.13.3), ksysguardd:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), libusbmuxd1:i386 (1.0.7-1, 1.0.7-1ubuntu0.11.10.1), libweather-ion6:i386 (4.8.0b-
11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), plasma-desktop:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), libplasmaclock4abi3:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), libksignalplotter4:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), brasero:i386 (3.2.0-0ubuntu1, 3.2.0-0ubuntu1.1), compiz:i386 (0.9.6+bzr20110929-0ubuntu6, 0.9.6+bzr20110929-0ubuntu6.1), liblsofui4:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), libtaskmanager4abi3:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), compiz-core:i386 (0.9.6+bzr20110929-0ubuntu6, 0.9.6+bzr20110929-0ubuntu6.1), libprocesscore4abi1:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), plasma-scriptengine-python:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), libsolidcontrolifaces4abi2:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), kde-window-manager:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10),
kde-workspace-data:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), kde-workspace-bin:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), linux-firmware:i386 (1.60, 1.60.1), kde-workspace-dev:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10), compiz-gnome:i386 (0.9.6+bzr20110929-0ubuntu6, 0.9.6+bzr20110929-0ubuntu6.1), libkwineffects1abi3:i386 (4.8.0b-11.10ubuntu1~gnumdk5, 4.8.0b-11.10ubuntu1~gnumdk10)
End-Date: 2012-02-03 17:05:42
