This is maybe a duplicate of the imagemagick bug 247147 (mogrify or convert (imagemagick) delete exif orientation field)?
-- bad orientation tag causes gthumb to show strange value https://bugs.launchpad.net/bugs/178575 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gthumb in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs