出错详情：
[root@server65 ~]# rpm -qa
rpmdb: Thread/process 14357/139885775857408 failed: Thread died in Berkeley DB library
error: db3 error(-30974) from dbenv->failchk: DB_RUNRECOVERY: Fatal error, run database recovery
error: cannot open Packages index using db3 - (-30974)
error: cannot open Packages database in /var/lib/rpm
rpmdb: Thread/process 14357/139885775857408 failed: Thread died in Berkeley DB library
error: db3 error(-30974) from dbenv->failchk: DB_RUNRECOVERY: Fatal error, run database recovery
error: cannot open Packages database in /var/lib/rpm
此时需要清理以下rpm的临时文件：
# rm -rf /var/lib/rpm/__db.*