[New LWP 220454] [New LWP 220355] [New LWP 220354] [New LWP 220350] [New LWP 220352] [New LWP 220417] [New LWP 220418] [New LWP 220358] [New LWP 220353] [New LWP 220357] [New LWP 220419] [New LWP 220462] [New LWP 220426] [New LWP 220484] [New LWP 220404] [New LWP 220463] [New LWP 220456] [New LWP 220351] [New LWP 220468] [New LWP 220461] [New LWP 220489] [New LWP 220490] [New LWP 220435] [New LWP 220359] [New LWP 220356] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/usr/sbin/mariadbd'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007f81110a9eec in ?? () from /lib/x86_64-linux-gnu/libc.so.6 [Current thread is 1 (Thread 0x7f6c6871a6c0 (LWP 220454))] Thread 25 (Thread 0x7f6cecbf76c0 (LWP 220356)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 24 (Thread 0x7f810815d6c0 (LWP 220359)): #0 0x00007f811105bc82 in sigtimedwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x0000560b264ea8b3 in signal_hand () No symbol table info available. #2 0x0000560b26a95ee7 in ?? () No symbol table info available. #3 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #4 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 23 (Thread 0x7f6c517fd6c0 (LWP 220435)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 22 (Thread 0x7f6bb1ffe6c0 (LWP 220490)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 21 (Thread 0x7f6bb8ffc6c0 (LWP 220489)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 20 (Thread 0x7f6c09ffe6c0 (LWP 220461)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 19 (Thread 0x7f6bb9ffe6c0 (LWP 220468)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 18 (Thread 0x7f810b4556c0 (LWP 220351)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a78bc in pthread_cond_timedwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b2649ada1 in psi_cond_timedwait () No symbol table info available. #3 0x0000560b2649b06a in ?? () No symbol table info available. #4 0x0000560b26a95ee7 in ?? () No symbol table info available. #5 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #6 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 17 (Thread 0x7f6c50cc36c0 (LWP 220456)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 16 (Thread 0x7f6c08ffc6c0 (LWP 220463)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 15 (Thread 0x7f6c9099d6c0 (LWP 220404)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 14 (Thread 0x7f6bb97fd6c0 (LWP 220484)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 13 (Thread 0x7f6c51ffe6c0 (LWP 220426)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 12 (Thread 0x7f6c097fd6c0 (LWP 220462)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 11 (Thread 0x7f6c68ffc6c0 (LWP 220419)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 10 (Thread 0x7f6cbc92e6c0 (LWP 220357)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 9 (Thread 0x7f81095b46c0 (LWP 220353)): #0 0x00007f81119459f7 in ?? () from /lib/x86_64-linux-gnu/liburing.so.2 No symbol table info available. #1 0x00007f8111945c39 in __io_uring_get_cqe () from /lib/x86_64-linux-gnu/liburing.so.2 No symbol table info available. #2 0x0000560b26d1b470 in ?? () No symbol table info available. #3 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #4 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #5 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 8 (Thread 0x7f81081a86c0 (LWP 220358)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a75d8 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b2649ad2b in psi_cond_wait () No symbol table info available. #3 0x0000560b2643b1d6 in ?? () No symbol table info available. #4 0x0000560b26a95ee7 in ?? () No symbol table info available. #5 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #6 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 7 (Thread 0x7f6c697fd6c0 (LWP 220418)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 6 (Thread 0x7f6c69ffe6c0 (LWP 220417)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a7baf in pthread_cond_clockwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26d188e1 in tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*) () No symbol table info available. #3 0x0000560b26d19550 in tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) () No symbol table info available. #4 0x0000560b26d1968d in tpool::thread_pool_generic::worker_main(tpool::worker_data*) () No symbol table info available. #5 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 5 (Thread 0x7f810a21b6c0 (LWP 220352)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a78bc in pthread_cond_timedwait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b2649ada1 in psi_cond_timedwait () No symbol table info available. #3 0x0000560b264549b7 in ?? () No symbol table info available. #4 0x0000560b26a25329 in ?? () No symbol table info available. #5 0x0000560b26a95ee7 in ?? () No symbol table info available. #6 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 4 (Thread 0x7f8111687880 (LWP 220350)): #0 0x00007f811111d99c in select () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x0000560b26d81ffc in my_sleep () No symbol table info available. #2 0x0000560b264f4b51 in mysqld_main(int, char**) () No symbol table info available. #3 0x00007f811104624a in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #4 0x00007f8111046305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #5 0x0000560b264e8271 in _start () No symbol table info available. Thread 3 (Thread 0x7f8108db36c0 (LWP 220354)): #0 0x00007f811111b21f in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x0000560b26c80699 in ?? () No symbol table info available. #2 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #3 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #4 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 2 (Thread 0x7f6ced3f86c0 (LWP 220355)): #0 0x00007f81110a4f16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f81110a75d8 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000560b26c90e3c in ?? () No symbol table info available. #3 0x00007f8110ed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #4 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #5 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. Thread 1 (Thread 0x7f6c6871a6c0 (LWP 220454)): #0 0x00007f81110a9eec in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x0000560b26862e18 in handle_fatal_signal () No symbol table info available. #2 No symbol table info available. #3 0x0000560b26cfe952 in ?? () No symbol table info available. #4 0x0000560b26d011fd in ?? () No symbol table info available. #5 0x0000560b26c6cf3f in ?? () No symbol table info available. #6 0x0000560b26be6eb3 in ?? () No symbol table info available. #7 0x0000560b26be98b8 in ?? () No symbol table info available. #8 0x0000560b26bebd9e in ?? () No symbol table info available. #9 0x0000560b26bfe547 in ?? () No symbol table info available. #10 0x0000560b26b48382 in ?? () No symbol table info available. #11 0x0000560b2687272e in handler::ha_write_row(unsigned char const*) () No symbol table info available. #12 0x0000560b265c5bbd in write_record(THD*, TABLE*, st_copy_info*, select_result*) () No symbol table info available. #13 0x0000560b265cf62e in mysql_insert(THD*, TABLE_LIST*, List&, List >&, List&, List&, enum_duplicates, bool, select_result*) () No symbol table info available. #14 0x0000560b26603ab4 in mysql_execute_command(THD*, bool) () No symbol table info available. #15 0x0000560b26608416 in mysql_parse(THD*, char*, unsigned int, Parser_state*) () No symbol table info available. #16 0x0000560b2660aa95 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) () No symbol table info available. #17 0x0000560b2660ca4f in do_command(THD*, bool) () No symbol table info available. #18 0x0000560b26734a35 in do_handle_one_connection(CONNECT*, bool) () No symbol table info available. #19 0x0000560b26734d8d in handle_one_connection () No symbol table info available. #20 0x0000560b26a95ee7 in ?? () No symbol table info available. #21 0x00007f81110a81f5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #22 0x00007f811112889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available.