It's /var/lib/gdm/.cache/wallpaper /zoom_800_600__usr_share_backgrounds_warty-final-ubuntu.png that doesn't get updated.
sudo rm -rf /var/lib/gdm/.cache/ is a workaround... ** Summary changed: - gdm showing non-existant wallpaper + gdm cache doesn't get updated on wallpaper change -- gdm cache doesn't get updated on wallpaper change https://bugs.launchpad.net/bugs/657924 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs