Bug#627163: Further Info...
Tried the install even without any disks, still failing.
Usb stick with FAT32, installed via unetbootin and seperate
The 64-bit version has the same problem.
The very same usb stick installed ubuntu just fine. Whereas
ubuntu-install uses a different partition-mgr, I guess...
The workaround seems a bit dirty. Is there another way? Other than
changing the usb stick or the install medium in general?
There are parted and cfdisk loadable from cd, could you make the
installer use them instead of partman? Since it seems to be a problem