Version-Release number of selected component:
dnf-1.1.10-4.fc25

Additional info:
reporter:       libreport-2.8.0
cmdline:        /usr/libexec/system-python /usr/bin/dnf -y update
executable:     /usr/bin/dnf
kernel:         4.8.15-300.fc25.x86_64
pkg_fingerprint: 4089 D8F2 FDB1 9C98
pkg_vendor:     Fedora Project
runlevel:       N 5
type:           Python3
uid:            0

Truncated backtrace:
main.py:75:main:OSError: [Errno 5] Input/output error

Traceback (most recent call last):
  File "/usr/lib/python3.5/site-packages/dnf/cli/main.py", line 60, in main
    return _main(base, args)
  File "/usr/lib/python3.5/site-packages/dnf/cli/main.py", line 120, in _main
    ret = resolving(cli, base)
  File "/usr/lib/python3.5/site-packages/dnf/cli/main.py", line 139, in resolving
    base.resolve(cli.demands.allow_erasing)
  File "/usr/lib/python3.5/site-packages/dnf/base.py", line 523, in resolve
    if not self._run_hawkey_goal(goal, allow_erasing):
  File "/usr/lib/python3.5/site-packages/dnf/base.py", line 509, in _run_hawkey_goal
    ignore_weak_deps=(not self.conf.install_weak_deps))
  File "/usr/lib64/python3.5/site-packages/hawkey/__init__.py", line 209, in run
    ret = super(Goal, self).run(**kwargs)
KeyboardInterrupt

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/bin/dnf", line 58, in <module>
    main.user_main(sys.argv[1:], exit_code=True)
  File "/usr/lib/python3.5/site-packages/dnf/cli/main.py", line 174, in user_main
    errcode = main(args)
  File "/usr/lib/python3.5/site-packages/dnf/cli/main.py", line 75, in main
    print(_("Terminated."), file=sys.stderr)
OSError: [Errno 5] Input/output error

Local variables in innermost frame:
base: <dnf.cli.cli.BaseCli object at 0x7f117f6db3c8>
args: ['-y', 'update']

Potential duplicate: bug 1387857