package libxau6:i386 1:1.0.8-1 failed to install/upgrade: package libxau6:i386 is already installed and configured

[James C Parker]

I see no information in the Ubuntu Software window and the packages are not displayed.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libxau6:i386 1:1.0.8-1
ProcVersionSignature: Ubuntu 4.4.0-64.85-generic 4.4.44
Uname: Linux 4.4.0-64-generic x86_64
.tmp.unity_support_test.0:

ApportVersion: 2.20.1-0ubuntu2.5
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Tue Mar 7 18:33:41 2017
Dependencies:
 gcc-6-base 6.0.1-0ubuntu1
 libc6 2.23-0ubuntu5
 libgcc1 1:6.0.1-0ubuntu1
 multiarch-support 2.23-0ubuntu5
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
DuplicateSignature:
 package:libxau6:i386:1:1.0.8-1
 Processing triggers for dbus (1.10.6-1ubuntu3.3) ...
 dpkg: error processing package libjson-c2:i386 (--configure):
  package libjson-c2:i386 is already installed and configured
ErrorMessage: package libxau6:i386 is already installed and configured
GraphicsCard:
 Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Dell 3rd Gen Core processor Graphics Controller [1028:053e]
 NVIDIA Corporation GK107GLM [Quadro K2000M] [10de:0ffb] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: Dell GK107GLM [Quadro K2000M] [1028:153e]
InstallationDate: Installed on 2016-07-23 (227 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
MachineType: Dell Inc. Precision M4700
PackageArchitecture: i386
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-64-generic root=UUID=bb59339f-f081-4a71-a4be-c7221d430d2f ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.19
SourcePackage: dpkg
Title: package libxau6:i386 1:1.0.8-1 failed to install/upgrade: package libxau6:i386 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/19/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A14
dmi.board.name: 082H3V
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA14:bd08/19/2015:svnDellInc.:pnPrecisionM4700:pvr01:rvnDellInc.:rn082H3V:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Precision M4700
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.12.2+16.04.20160823-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.70-1~ubuntu16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 12.0.6-0ubuntu0.16.04.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 12.0.6-0ubuntu0.16.04.1
version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-0ubuntu0.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Tue Mar 7 18:28:00 2017
xserver.configfile: default
xserver.errors:
 Failed to load module "nvidia" (module does not exist, 0)
 Failed to load module "nvidia" (module does not exist, 0)
 NOUVEAU(G0): [XvMC] Failed to initialize extension.
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id 812
 vendor LGD
xserver.version: 2:1.18.4-0ubuntu0.2

[Launchpad Janitor (janitor)]

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