From Bugzilla Helper:
User-Agent: Mozilla/4.75 [en] (Win98; U)

Description of problem:
I try to install Linux Redhat7 and because i suppose my video video card is not compatible i have to use text mode. It installs fine until it 
finished creating the loopback and then it says there is an error and the installation will not continue.

How reproducible:
Always

Steps to Reproduce:
1.load up boot disk
2.set everything up in the installatiojn fields as asked
3.after a while at the loopback it des this everytime.
	

Actual Results:  my computer restarts and linux is  not installed

Expected Results:  linux should be installed

Additional info:

Traceback (innermost last):
  File "/usr/bin/anaconda", line 438, in ?
    intf.run(todo, test = test)
  File "/var/tmp/anaconda-7.0.1//usr/lib/anaconda/text.py", line 1030, in run
    rc = apply (step[1](), step[2])
  File "/var/tmp/anaconda-7.0.1//usr/lib/anaconda/text.py", line 507, in __call__
    if todo.doInstall ():
  File "/var/tmp/anaconda-7.0.1//usr/lib/anaconda/todo.py", line 1466, in doInstall
    self.fstab.makeFilesystems ()
  File "/var/tmp/anaconda-7.0.1//usr/lib/anaconda/fstab.py", line 664, in makeFilesystems
    isys.umount("/mnt/loophost")
  File "/usr/lib/anaconda/isys.py", line 116, in umount
    mountCount[what] = mountCount - 1
TypeError: bad operand type(s) for -

Local variables in innermost frame:
what: /mnt/loophost
removeDir: 1

ToDo object:
(itodo
ToDo
p1
(dp2
S'method'
p3
(iimage
CdromInstallMethod
p4
(dp5
S'progressWindow'
p6

<failed>