Q: Bootcamp with Windows XP not working after Yosemite

Hello, I'm in the same boat as many others. I have Yosemite and Windows XP on two separate partitions but now I cannot get Windows to boot, either from the restart option or holding alt at startup. I am able to see the partition and access the files there from the OS X side.

Last login: Mon Nov  9 09:06:40 on ttys001

kit-lambs-mac-pro:~ kitlamb$ diskutil list

/dev/disk0

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:      GUID_partition_scheme                        *640.1 GB   disk0

   1:                        EFI EFI                     209.7 MB   disk0s1

   2:                  Apple_HFS Macintosh HD            477.2 GB   disk0s2

   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3

   4:       Microsoft Basic Data BOOTCAMP                162.1 GB   disk0s4

/dev/disk1

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:     FDisk_partition_scheme                        *1.0 TB     disk1

   1:                 DOS_FAT_32 FATPASS                 1.0 TB     disk1s1

kit-lambs-mac-pro:~ kitlamb$ diskutil cs list

No CoreStorage logical volume groups found

kit-lambs-mac-pro:~ kitlamb$ sudo gpt -vv -r show /dev/disk0

Password:

gpt show: /dev/disk0: mediasize=640135028736; sectorsize=512; blocks=1250263728

gpt show: /dev/disk0: Suspicious MBR at sector 0

gpt show: /dev/disk0: Pri GPT at sector 1

gpt show: /dev/disk0: Sec GPT at sector 1250263727

       start        size  index  contents

           0           1         MBR

           1           1         Pri GPT header

           2          32         Pri GPT table

          34           6        

          40      409600      1  GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B

      409640   931965112      2  GPT part - 48465300-0000-11AA-AA11-00306543ECAC

   932374752     1269536      3  GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC

   933644288   316618752      4  GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7

  1250263040         655        

  1250263695          32         Sec GPT table

  1250263727           1         Sec GPT header

kit-lambs-mac-pro:~ kitlamb$ sudo fdisk /dev/disk0

Disk: /dev/disk0    geometry: 77825/255/63 [1250263728 sectors]

Signature: 0xAA55

         Starting       Ending

#: id  cyl  hd sec -  cyl  hd sec [     start -       size]

------------------------------------------------------------------------

1: EE 1023 254  63 - 1023 254  63 [         1 -     409639] <Unknown ID>

2: AF 1023 254  63 - 1023 254  63 [    409640 -  931965112] HFS+       

3: AB 1023 254  63 - 1023 254  63 [ 932374752 -    1269536] Darwin Boot

*4: 07 1023 254  63 - 1023 254  63 [ 933644288 -  316618752] HPFS/QNX/AUX

kit-lambs-mac-pro:~ kitlamb$ sudo dd if=/dev/rdisk0s4 count=1 2>/dev/null | hexdump -C

00000000  eb 52 90 4e 54 46 53 20  20 20 20 00 02 08 00 00  |.R.NTFS    .....|

00000010  00 00 00 00 00 f8 00 00  3f 00 ff 00 00 48 a6 37  |........?....H.7|

00000020  00 00 00 00 80 00 80 00  ff 37 df 12 00 00 00 00  |.........7......|

00000030  00 00 0c 00 00 00 00 00  7f f3 2d 01 00 00 00 00  |..........-.....|

00000040  f6 00 00 00 01 00 00 00  b1 85 f2 80 a0 f2 80 56  |...............V|

00000050  00 00 00 00 fa 33 c0 8e  d0 bc 00 7c fb b8 c0 07  |.....3.....|....|

00000060  8e d8 e8 16 00 b8 00 0d  8e c0 33 db c6 06 0e 00  |..........3.....|

00000070  10 e8 53 00 68 00 0d 68  6a 02 cb 8a 16 24 00 b4  |..S.h..hj....$..|

00000080  08 cd 13 73 05 b9 ff ff  8a f1 66 0f b6 c6 40 66  |...s......f...@f|

00000090  0f b6 d1 80 e2 3f f7 e2  86 cd c0 ed 06 41 66 0f  |.....?.......Af.|

000000a0  b7 c9 66 f7 e1 66 a3 20  00 c3 b4 41 bb aa 55 8a  |..f..f. ...A..U.|

000000b0  16 24 00 cd 13 72 0f 81  fb 55 aa 75 09 f6 c1 01  |.$...r...U.u....|

000000c0  74 04 fe 06 14 00 c3 66  60 1e 06 66 a1 10 00 66  |t......f`..f...f|

000000d0  03 06 1c 00 66 3b 06 20  00 0f 82 3a 00 1e 66 6a  |....f;. ...:..fj|

000000e0  00 66 50 06 53 66 68 10  00 01 00 80 3e 14 00 00  |.fP.Sfh.....>...|

000000f0  0f 85 0c 00 e8 b3 ff 80  3e 14 00 00 0f 84 61 00  |........>.....a.|

00000100  b4 42 8a 16 24 00 16 1f  8b f4 cd 13 66 58 5b 07  |.B..$.......fX[.|

00000110  66 58 66 58 1f eb 2d 66  33 d2 66 0f b7 0e 18 00  |fXfX..-f3.f.....|

00000120  66 f7 f1 fe c2 8a ca 66  8b d0 66 c1 ea 10 f7 36  |f......f..f....6|

00000130  1a 00 86 d6 8a 16 24 00  8a e8 c0 e4 06 0a cc b8  |......$.........|

00000140  01 02 cd 13 0f 82 19 00  8c c0 05 20 00 8e c0 66  |........... ...f|

00000150  ff 06 10 00 ff 0e 0e 00  0f 85 6f ff 07 1f 66 61  |..........o...fa|

00000160  c3 a0 f8 01 e8 09 00 a0  fb 01 e8 03 00 fb eb fe  |................|

00000170  b4 01 8b f0 ac 3c 00 74  09 b4 0e bb 07 00 cd 10  |.....<.t........|

00000180  eb f2 c3 0d 0a 41 20 64  69 73 6b 20 72 65 61 64  |.....A disk read|

00000190  20 65 72 72 6f 72 20 6f  63 63 75 72 72 65 64 00  | error occurred.|

000001a0  0d 0a 4e 54 4c 44 52 20  69 73 20 6d 69 73 73 69  |..NTLDR is missi|

000001b0  6e 67 00 0d 0a 4e 54 4c  44 52 20 69 73 20 63 6f  |ng...NTLDR is co|

000001c0  6d 70 72 65 73 73 65 64  00 0d 0a 50 72 65 73 73  |mpressed...Press|

000001d0  20 43 74 72 6c 2b 41 6c  74 2b 44 65 6c 20 74 6f  | Ctrl+Alt+Del to|

000001e0  20 72 65 73 74 61 72 74  0d 0a 00 00 00 00 00 00  | restart........|

000001f0  00 00 00 00 00 00 00 00  83 a0 b3 c9 00 00 55 aa  |..............U.|

00000200

Apologies for the redundancy and thank you for your time.