Comment 3 for bug 600477

here's fdisk

ubuntu@ubuntu:~$ sudo fdisk -l

Disk /dev/sda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000536ad

   Device Boot Start End Blocks Id System
/dev/sda1 * 1 9328 74920960 83 Linux
/dev/sda2 9328 9730 3227649 5 Extended
/dev/sda5 9328 9730 3227648 82 Linux swap / Solaris

Disk /dev/sdb: 82.0 GB, 81964302336 bytes
255 heads, 63 sectors/track, 9964 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00078614

   Device Boot Start End Blocks Id System
/dev/sdb1 1 9554 76737536 83 Linux
/dev/sdb2 9554 9965 3303425 5 Extended
/dev/sdb5 9554 9965 3303424 82 Linux swap / Solaris

Disk /dev/sdc: 6448 MB, 6448619520 bytes
255 heads, 63 sectors/track, 784 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000e5a26

   Device Boot Start End Blocks Id System
/dev/sdc1 * 1 375 3006111+ 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sdc2 375 784 3289089 5 Extended
Partition 2 does not end on cylinder boundary.
/dev/sdc5 744 784 323584 82 Linux swap / Solaris
/dev/sdc6 375 720 2775040 83 Linux
/dev/sdc7 721 743 184320 82 Linux swap / Solaris

Partition table entries are not in disk order

The disk selected for install whole is sdb and return out of disk error
Now i try rewrite grub on sdb mbr and launch it