Comment 7 for bug 434463

And the exact sizes as seen by sfdisk:

$ sudo sfdisk -d /dev/sda
Warning: extended partition does not start at a cylinder boundary.
DOS and Linux will interpret the contents differently.

sfdisk: ERROR: sector 98542710 does not have an msdos signature
# partition table of /dev/sda
unit: sectors

/dev/sda1 : start= 1, size= 29296875, Id=83, bootable
/dev/sda2 : start= 29296876, size=127004612, Id= 5
/dev/sda3 : start= 0, size= 0, Id= 0
/dev/sda4 : start= 0, size= 0, Id= 0
/dev/sda5 : start= 29296877, size= 11488280, Id=83
$