The following was filed automatically by anaconda:
anaconda 15.31 exception report
Traceback (most recent call first):
  File "/usr/lib/python2.7/site-packages/pyanaconda/yuminstall.py", line 374, in _mountInstallCD
    self._timestamp = f.readline().strip()
  File "/usr/lib/python2.7/site-packages/pyanaconda/yuminstall.py", line 488, in configBaseURL
    self._mountInstallCD()
  File "/usr/lib/python2.7/site-packages/pyanaconda/yuminstall.py", line 356, in setup
    self.configBaseURL()
  File "/usr/lib/python2.7/site-packages/pyanaconda/yuminstall.py", line 1231, in doBackendSetup
    self.ayum.setup()
  File "/usr/lib/python2.7/site-packages/pyanaconda/backend.py", line 192, in doBackendSetup
    if anaconda.backend.doBackendSetup(anaconda) == DISPATCH_BACK:
  File "/usr/lib/python2.7/site-packages/pyanaconda/dispatch.py", line 211, in moveStep
    rc = stepFunc(self.anaconda)
  File "/usr/lib/python2.7/site-packages/pyanaconda/dispatch.py", line 130, in gotoNext
    self.moveStep()
  File "/usr/lib/python2.7/site-packages/pyanaconda/gui.py", line 1257, in nextClicked
    self.anaconda.dispatch.gotoNext()
IOError: [Errno 5] Input/output error