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Description of problem:

I was attempting to run anaconda-cleanup in a %post --nochroot section of a kickstart in order to unmount filesystems before initiating a reboot as a workaround for bz 1065973.

It crashes with the following traceback

File "/bin/anaconda-cleanup", line 84, in <module>
  devicetree.populate(cleanupOnly=True)
File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 2104, in populate
  self._populate()
File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 2169, in _populate
  self.addUdevDevice(dev)
File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 1193, in addUdevDevice
  device = self.addUdevDiskDevice(info)
File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 989, in addUdevDiskDevice
  if initiator == self.iscsi.initiator:

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

anaconda-19.31.106-1.el7.x86_64.rpm
python-blivet-0.61.0.17-1.el7.noarch.rpm

How reproducible:

Always

Steps to Reproduce:
1. Install to an iSCSI disk
2. run anaconda-cleanup before rebooting

Actual results:

anaconda-cleanup crashes

Expected results:

filesystems are unmounted cleanly

Additional info:

You didn't include the full exception text. Can you add it, please?

Please verify that this is still happening. If it is, please attach logs and anacond-tb* files in /tmp to the bug.

Reproduced on RHEL-7.1.
Unable to reproduce with python-blivet-0.61.15.28-1.el7, RHEL-7.2-snap2

Moving to VERIFIED.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2015-2232.html