I confirm the same thing here. Originally I wanted to install debian and had the same type of malfunction - I cannot see partitions on target drive, but fdisk can (also kernel).
Athlon 64+, SATA2, nforce chipset for details on dmesg, lspci, lspci -n see the following url: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=367706 -- Problem with QtParted https://launchpad.net/bugs/48055 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs