Description of problem:

When trying to partition the disk with disk-druid, anaconda says that onother 
partitioning tool has wrongly partitioned the disk, but it gives me the option 
of ignoring this error. I ignore it, but then I get the following error:

+-------------+ Exception Occurred +-------------+               
               |                                                |               
               | An unhandled exception has occurred.  This   # |               
               | is most likely a bug.  Please copy the full  # |               
               | text of this exception or save the crash     # |               
               | dump to a floppy then file a detailed bug    # |               
               | report against anaconda at                   # |               
               | http://bugzilla.redhat.com/bugzilla/         # |               
               |                                              # |               
               | Traceback (most recent call last):           # |               
               |   File "/usr/bin/anaconda", line 694, in ?   # |               
               |     intf.run(id, dispatch, configFileData)   # |               
               |   File "/usr/lib/anaconda/text.py", line     # |               
               | 446, in run   
     dispatch.gotoNext()                      # |               
               |   File "/usr/lib/anaconda/dispatch.py",      # |               
               | line 150, in gotoNext                        # |               
               |     self.moveStep()                          # |               
               |   File "/usr/lib/anaconda/dispatch.py",      # |               
               | line 215, in moveStep                        # |               
               |     rc = apply(func, self.bindArgs(args))    # |               
               |   File "/usr/lib/anaconda/partitioning.py",  # |               
               | line 57, in partitionObjectsInitialize       # |               
               |     partitions.setFromDisk(diskset)          # |               
               |   File "/usr/lib/anaconda/partitions.py",    # |               
               | line 184, in setFromDisk        
               |     lvm.vgscan()                             # |               
               |   File "/usr/lib/anaconda/lvm.py", line 38,  # |               
               | in vgscan                                    # |               
               |     raise SystemError, "vgscan failed"       # |               
               | SystemError: vgscan failed                 


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


How reproducible:
Have not tried to reproduce it

Steps to Reproduce:
1.
2.
3.
    
Actual results:
Disk won't get formatted

Expected results:


Additional info: