Version-Release number of selected component:
dnf-1.1.1-1.fc23

Additional info:
reporter:       libreport-2.6.2
cmdline:        /usr/bin/python3 -OO /usr/bin/dnf update
executable:     /usr/bin/dnf
kernel:         4.2.0-300.fc23.i686
runlevel:       N 5
type:           Python3
uid:            0

Truncated backtrace:
rpmtrans.py:114:error:OSError: [Errno 5] Input/output error

Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/dnf/yum/rpmtrans.py", line 427, in callback
    self._scriptError(bytes, total, h)
  File "/usr/lib/python3.4/site-packages/dnf/yum/rpmtrans.py", line 567, in _scriptError
    display.error(msg)
  File "/usr/lib/python3.4/site-packages/dnf/yum/rpmtrans.py", line 142, in error
    super(LoggingTransactionDisplay, self).error(message)
  File "/usr/lib/python3.4/site-packages/dnf/yum/rpmtrans.py", line 114, in error
    print(message, file=sys.stderr)
OSError: [Errno 5] Input/output error

Local variables in innermost frame:
message: 'Non-fatal POSTUN scriptlet failure in rpm package initial-setup'
self: <dnf.yum.rpmtrans.LoggingTransactionDisplay object at 0xb4dba40c>
__class__: <class 'dnf.yum.rpmtrans.ErrorTransactionDisplay'>