Version-Release number of selected component:
dnf-1.1.6-2.fc23

Additional info:
reporter:       libreport-2.6.4
cmdline:        /usr/bin/python3 /usr/bin/dnf remove mesa-*
executable:     /usr/bin/dnf
kernel:         4.4.1
runlevel:       N 5
type:           Python3
uid:            0

Truncated backtrace:
output.py:2195:scriptout:OSError: [Errno 5] Input/output error

Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/dnf/yum/rpmtrans.py", line 431, in callback
    self._scriptStop(bytes, total, h);
  File "/usr/lib/python3.4/site-packages/dnf/yum/rpmtrans.py", line 573, in _scriptStop
    self._scriptout()
  File "/usr/lib/python3.4/site-packages/dnf/yum/rpmtrans.py", line 219, in _scriptout
    display.scriptout(msgs)
  File "/usr/lib/python3.4/site-packages/dnf/cli/output.py", line 2195, in scriptout
    sys.stdout.write(ucd(msgs))
OSError: [Errno 5] Input/output error

Local variables in innermost frame:
self: <dnf.cli.output.CliTransactionDisplay object at 0x7f7144f20e48>
msgs: b'error: %preun(lightdm-1.10.5-4.fc23.x86_64) scriptlet failed, signal 1\n'