Comment 12 for bug 445067

The logs above are taken from yet another system (...); a virtualbox with this kind of layout (sdb1 is to where karmic is installed, sda5 is a jaunty install, inside sda2 where the interesting 512b are):
Disk /dev/sdb: 8589 MB, 8589934592 bytes
255 heads, 63 sectors/track, 1044 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x000d8e9e

   Device Boot Start End Blocks Id System
/dev/sdb1 * 1 1044 8385898+ 83 Linux

Disk /dev/sda: 11.8 GB, 11803820032 bytes
255 heads, 63 sectors/track, 1435 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0003682f

   Device Boot Start End Blocks Id System
/dev/sda1 * 1 637 5116671 7 HPFS/NTFS
/dev/sda2 638 1435 6409935 5 Extended
/dev/sda5 638 1394 6080571 83 Linux
/dev/sda6 1395 1435 329301 82 Linux swap / Solaris