root snowwhite thresh fdisk -l foo img You must set cylinders You can

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[root@snowwhite thresh]# fdisk -l foo.img
You must set cylinders.
You can do this from the extra functions menu.
Disk foo.img: 0 MB, 0 bytes
255 heads, 63 sectors/track, 0 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
foo.img1 1 12 96358+ 83 Linux
foo.img2 13 36 192780 83 Linux
foo.img3 37 130 755055 5 Extended
foo.img5 37 130 755023+ 83 Linux