Current byte-offset of file-pointer is: 2065 Time: Thursday 29 November 2018 - 01:24:05 Status: Temporary error, restart node Message: Error OS signal received (Internal error, programming error or missing error message, please report a bug) Error: 6000 Error data: Signal 11 received; Segmentation fault Error object: /export/home/pb2/build/sb_0-25256702-1507209072.23/rpm/BUILD/mysql-cluster-gpl-7.5.8/mysql-cluster-gpl-7.5.8/storage/ndb/src/kernel/ndbd.cpp Program: ndbmtd Pid: 3935 thr: 12 Version: mysql-5.7.20 ndb-7.5.8 Trace file name: ndb_9_trace.log.1_t12 Trace file path: /data/mysql-cluster/data/ndb_9_trace.log.1 [t1..t64] ***EOM*** Time: Sunday 9 December 2018 - 10:09:23 Status: Temporary error, restart node Message: LCP fragment scan watchdog detected a problem. Please report a bug. (Internal error, programming error or missing error message, please report a bug) Error: 7200 Error data: Please report this as a bug. Provide as much info as possible, expecially all the ndb_*_out.log files, Thanks. Shutting down node due to lack of LCP fragment scan progress Error object: DBLQH (Line: 25569) 0x00000002 Program: ndbmtd Pid: 12523 thr: 33 Version: mysql-5.7.20 ndb-7.5.8 Trace file name: ndb_9_trace.log.2_t33 Trace file path: /data/mysql-cluster/data/ndb_9_trace.log.2 [t1..t64] ***EOM***