Public bug reported: I cannot change the background image of my desktop (wallpaper). I don't know the cause of the problem but I suspect the sharing of /home between ubuntu-16.04 and ubuntu-14.04 (Both installed on my laptop) $ unity-control-center
(unity-control-center:1007): unity-control-center-WARNING **: Could not load /usr/share/themes/Adwaita/index.theme: File o directory non esistente (unity-control-center:1007): Gtk-CRITICAL **: gtk_builder_get_object: assertion 'GTK_IS_BUILDER (builder)' failed (unity-control-center:1007): Gtk-CRITICAL **: gtk_icon_view_get_selected_items: assertion 'GTK_IS_ICON_VIEW (icon_view)' failed ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xorg 1:7.7+13ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8 Uname: Linux 4.4.0-22-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,staticswitcher,workarounds,scale,expo,ezoom,dbus] CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true CurrentDesktop: Unity Date: Sun Jul 31 15:40:08 2016 DistUpgraded: Fresh install DistroCodename: xenial DistroVariant: ubuntu DkmsStatus: virtualbox, 5.0.24, 4.4.0-22-generic, x86_64: installed virtualbox, 5.0.24, 4.4.0-31-generic, x86_64: installed GconfCompiz: /apps/compiz-1/general: /apps/compiz-1/general/screen0: /apps/compiz-1/general/screen0/options: active_plugins = [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,staticswitcher,workarounds,scale,expo,ezoom,dbus] GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Seymour [Radeon HD 6400M/7400M Series] [1002:6760] (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Radeon HD 7470M [1043:2002] MachineType: ASUSTeK Computer Inc. K54HR ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic root=UUID=f5309739-ba9f-41fa-abaa-4b6bd1e6c9c1 ro quiet splash SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/13/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: K54HR.206 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: K54HR dmi.board.vendor: ASUSTeK Computer Inc. dmi.board.version: 1.0 dmi.chassis.asset.tag: ATN12345678901234567 dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK Computer Inc. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrK54HR.206:bd08/13/2012:svnASUSTeKComputerInc.:pnK54HR:pvr1.0:rvnASUSTeKComputerInc.:rnK54HR:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0: dmi.product.name: K54HR dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK Computer Inc. version.compiz: compiz 1:0.9.12.2+16.04.20160714-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.2 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 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2 xserver.bootTime: Thu Jul 28 17:32:42 2016 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: Output HDMI-0 LVDS VGA-0 xserver.version: 2:1.18.3-1ubuntu2.2 xserver.video_driver: radeon ** Affects: xorg (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug compiz-0.9 ubuntu xenial -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1608231 Title: Cannot change background image To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1608231/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp