I've been trying to install for 3 days with apparently identical failures.

On tty3:

Traceback (most recent call first):
File "/usr/lib/python2.7/site-packages/pyanaconda/upgrade.py", line 86, in
findRootParts
	oldInstalls += " on ".join(info)
File "/usr/lib/python2.7/site-packages/pyanaconda/dispatch.py", line 212 in
moveStep
	rc=stepFunc(self.anaconda)
File "/usr/lib/python2.7/site-packages/pyanaconda/dispatch.py", line 131 in
gotoNext
	self.MoveStep()
...
TypeError: sequence item 0: expected string, NoneType found

Disk layout:
ID |Type, description|ux|  Begin |End sect| Cylinders | Sectors  |Size MiB
---+<disk 1></dev/sda   >--------+--------+-----------<Samsung 40>--------
01 |MBR +Track-0 Area|  |       0|      3e|   0 -    0|        3f|   0.031
01>|Prim 83 LinuxNatv| 1|      3f|   65f99|   0 -   25|     65f5b|   203.9
02 |Prim 83 LinuxNatv| 2|   65f9a|   69e5a|  26 -   26|      3ec1|     7.8
03*|Prim 06 FAT16    | 3|   69e5b|   7d81f|  27 -   31|     139c5|    39.2
04 |Log  82 SunS/SWAP| 5|   7d85f|  27f4e2|  32 -  162|    201c84|  1027.6
05 |Log  8e Linux-LVM| 6|  27f522| 277374e| 163 - 2574|   24f422d| 18920.3
06*|Log  83 LinuxNatv| 7| 277378e| 30d3cb2|2575 - 3186|    960525|  4800.6
07*|Log  83 LinuxNatv| 8| 30d3cf2| 3a34216|3187 - 3798|    960525|  4800.6
08*|Log  83 LinuxNatv| 9| 3a34256| 439477a|3799 - 4410|    960525|  4800.6
09 |Log  83 LinuxNatv|10| 43947ba| 477c9b9|4411 - 4665|    3e8200|  2000.3
10 |Log  83 LinuxNatv|11| 477c9f9| 4a9cb85|4666 - 4869|    32018d|  1600.2