Description of problem:

I was using FC11 x86_64 netinstall disk to install FC11 on a RAID1 system which has the following existing partitions: 

71 MB      OEM partition (?)
15 GB      NTFS partition (Dell recovery)
300 GB     NTFS partition with Win7
150.69 GB  unallocated - want to install FC11 here

After I chose options "use empty space" and "review partition layout" the following bu notification appeared: 

"An unhandled exception has occurred. This is most likely a bug. Please save a copy of the detailed exception & file a bug report agains anaconda at https://bugzilla.redhat.com" 

 
Version-Release number of selected component (if applicable):

Anaconda 11.5.0.59

How reproducible:

100% reproducible

Steps to Reproduce:
1.  Choose installing into empty space on disk and review partition layout
2.
3.
  
Actual results:


Expected results:


Additional info: