I confirm this on Feisty. The provided TIFF images indeed show up completely black when deactivating preload next image.
** Changed in: gqview (Ubuntu) Importance: Undecided => Medium Status: Needs Info => Confirmed -- GQview shows black image https://launchpad.net/bugs/55823 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs