This is a known limitation/bug in libparted (and supposedly in many other programs) which doesn't work with (hardware) sector sizes > 512 bytes.
Some explanations can be found when you look through the results of the following search on their mailing list: http://www.mail-archive.com/search?q=jim%20meyering%20512&l=parted-de...@lists.alioth.debian.org ** Changed in: parted Status: New => Confirmed -- gparted crashes on startup https://bugs.launchpad.net/bugs/405022 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