Date/time: 2018-06-28 17:33:32
Signal: 11

[0x55cdde6f98a0]
/lib64/libpthread.so.0(+0xf5e0)[0x7fd3f5d025e0]
/usr/local/mariadb/columnstore/lib/libjoblist.so.1(+0x1dc052)[0x7fd3fa2ae052]
/usr/local/mariadb/columnstore/lib/libjoblist.so.1(_ZN7joblist18TupleAggregateStep26threadedAggregateRowGroupsEj+0x1ec9)[0x7fd3fa2cbba9]
/usr/local/mariadb/columnstore/lib/libthreadpool.so.1(_ZN10threadpool10ThreadPool11beginThreadEv+0x5dc)[0x7fd3f820d4cc]
/lib64/libboost_thread-mt.so.1.53.0(+0xd27a)[0x7fd3f679a27a]
/lib64/libpthread.so.0(+0x7e25)[0x7fd3f5cfae25]
/lib64/libc.so.6(clone+0x6d)[0x7fd3f4ba734d]
