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

Additional info:
reporter:       libreport-2.8.0
cmdline:        /usr/libexec/system-python /bin/dnf remove kernel-4.8.11-300.fc25 kernel-core-4.8.11-300.fc25
executable:     /bin/dnf
kernel:         4.8.11-300.dell7537.fc25.x86_64
pkg_fingerprint: 4089 D8F2 FDB1 9C98
pkg_vendor:     Fedora Project
runlevel:       N 5
type:           Python3
uid:            0

Truncated backtrace:
sqlutils.py:167:executeSQLQmark:sqlite3.OperationalError: database is locked

Traceback (most recent call last):
  File "/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 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 149, in resolving
    base.do_transaction(display=displays)
  File "/usr/lib/python3.5/site-packages/dnf/cli/cli.py", line 228, in do_transaction
    super(BaseCli, self).do_transaction(display)
  File "/usr/lib/python3.5/site-packages/dnf/base.py", line 607, in do_transaction
    self._run_transaction(cb=cb)
  File "/usr/lib/python3.5/site-packages/dnf/base.py", line 665, in _run_transaction
    [], [], cmdline)
  File "/usr/lib/python3.5/site-packages/dnf/yum/history.py", line 1007, in beg
    self._trans_cmdline(cmdline)
  File "/usr/lib/python3.5/site-packages/dnf/yum/history.py", line 969, in _trans_cmdline
    if cur is None or not self._update_db_file_2():
  File "/usr/lib/python3.5/site-packages/dnf/yum/history.py", line 1628, in _update_db_file_2
    executeSQL(cur, "PRAGMA table_info(trans_skip_pkgs)")
  File "/usr/lib/python3.5/site-packages/dnf/yum/sqlutils.py", line 167, in executeSQLQmark
    return cursor.execute(query)
sqlite3.OperationalError: database is locked

Local variables in innermost frame:
params: None
cursor: <sqlite3.Cursor object at 0x7f977664cdc0>
query: 'PRAGMA table_info(trans_skip_pkgs)'

Potential duplicate: bug 1266103