На CentOS поймал такую проблему при работе с yum
rpmdb: Thread/process 2823/140610060752640 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
CRITICAL:yum.main:Error: rpmdb open failed
Error: rpmdb open failed