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Description of problem:
Note: this bug is very similar to bug #65620, but I think the exception was
thrown at a different time.  I was trying to upgrade a RH 7.1 system to RH 7.3,
adding a few packages.  However, each time I did so, the installer crashed while
writing the "install image" to disk.  The error message suggested a possible
cause as not enough disk space, but there were a good 16 GB of space available
in the / partition (the only other partition being the /boot).  I was finally
able to upgrade when I chose to upgrade with no modifications to previously
installed packages.  Installed from CD-Rs.

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


How reproducible:
Sometimes

Steps to Reproduce:
1. Have a working RH7.1 install, no GNOME
2. Use CDs to do "upgrade", add packages, such as MySQL, satisfy all dependencies
3. Wait for it to build package list, watch it pop up an error window
	

Actual Results:  Error window pops up, "could not create install image.  This
sometimes happens if you do not have enough disk space.  Please send data dump
to bugzilla" or something to that effect.

Additional info: