This bug is caused by https://launchpad.net/ubuntu/+source/gdk- pixbuf/2.28.1-1ubuntu2
I no longer experience this bug after downgrading gdk-pixbuf to 2.28.1-1ubuntu1. ** Package changed: gnome-control-center (Ubuntu) => gdk-pixbuf (Ubuntu) ** Changed in: gdk-pixbuf (Ubuntu) Assignee: (unassigned) => William Hua (attente) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1205562 Title: [background] wallpapers in grid are too small, take long time to load To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdk-pixbuf/+bug/1205562/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs