I confirmed it, Unity doesn't draw the wallpaper. It's either gnome- session that does it, nautilus, or lightdm.
** Changed in: unity Status: New => Incomplete ** Also affects: gnome-session (Ubuntu) Importance: Undecided Status: New ** Also affects: nautilus (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-session in Ubuntu. https://bugs.launchpad.net/bugs/1017630 Title: Inappropriate background scaling on newly-enabled monitor Status in Unity: Incomplete Status in “gnome-session” package in Ubuntu: New Status in “nautilus” package in Ubuntu: New Bug description: When I enable my 1080p monitor via nvconfig or disper, the wallpaper image is fuzzy, and looks like a scaled-up version of the image on the existing 1366x768 monitor, even though the source image has greater resolution. I've used the "The Forbidden City" wallpaper from Ubuntu Precise as an example. It also occurs with my personal wallpapers. The problem can be fixed by re-selecting the same wallpaper. The attached images are crops of "The Forbidden City": "rescaled.png": The way the wallpaper image looks on my 1080p monitor immediately after enabling "orig-monitor.png": The way the wallpaper image looks on my 1366x768 monitor "re-selected": The way the wallpaper image looks on my 1080p monitor after re-selecting it. (i.e. the way it should look immediately after enabling) To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1017630/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp