Bug 868994

Description of problem:
Comming from 868542.
using: updates=http://clumens.fedorapeople.org/868542.img

i was able to start installing by just creating a / of 1mb.
there is an xp partition on the disks.


Version-Release number of selected component:
anaconda-18.19

Additional info:
libreport version: 2.0.14
cmdline:        /usr/bin/python  /sbin/anaconda
kernel:         3.6.1-1.fc18.x86_64

description:
:The following was filed automatically by anaconda:
:anaconda 18.19 exception report
:Traceback (most recent call first):
:  File "/tmp/updates/pyanaconda/errors.py", line 225, in _payloadInstallHandler
:    message += "\n\n" + kwargs["exception"]
:  File "/tmp/updates/pyanaconda/errors.py", line 266, in cb
:    rc = _map[exn.__class__.__name__](*args, **kwargs)
:  File "/tmp/updates/pyanaconda/packaging/yumpayload.py", line 1274, in install
:    if errorHandler.cb(exn) == ERROR_RAISE:
:  File "/tmp/updates/pyanaconda/install.py", line 118, in doInstall
:    payload.install()
:  File "/usr/lib64/python2.7/threading.py", line 504, in run
:    self.__target(*self.__args, **self.__kwargs)
:  File "/tmp/updates/pyanaconda/threads.py", line 91, in run
:    threading.Thread.run(self, *args, **kwargs)
:TypeError: cannot concatenate 'str' and 'PayloadInstallError' objects