Created attachment 614102 [details]
anaconda.log

Description of problem:

Running anconda from git version commit 9899fc7a2f3340a0ecf2107000be3510e5a40960.

How reproducible:
Occasionally.

Steps to Reproduce:

Check for manual partitioning when selecting a disk.
Delete previous installation.
Make the following partitions:
1) PReP boot partition
2) /boot partition
3) swap partition
4) / partition

which looks like this: http://hamzy.fedorapeople.org/ManualPartitioning3.png
  
Actual results:
When finished, I receive the following error:

you have not created a bootloader stage1 target device

Expected results:
No error.