Date/time: 2018-07-17 21:19:08
Signal: 11

[0x55ec6cc8c8a0]
/lib64/libpthread.so.0(+0xf5e0)[0x7fe0e506d5e0]
[0x55ec6cc81178]
/usr/local/mariadb/columnstore/lib/libthreadpool.so.1(_ZN10threadpool10ThreadPool11beginThreadEv+0x5dc)[0x7fe0e75784cc]
/lib64/libboost_thread-mt.so.1.53.0(+0xd27a)[0x7fe0e5b0527a]
/lib64/libpthread.so.0(+0x7e25)[0x7fe0e5065e25]
/lib64/libc.so.6(clone+0x6d)[0x7fe0e3f1234d]
