[New LWP 43783] [New LWP 43782] [New LWP 43781] [New LWP 43780] [New LWP 43779] [New LWP 43778] [New LWP 43777] [New LWP 43776] [New LWP 43775] [New LWP 43774] [New LWP 43773] [New LWP 43772] [New LWP 43771] [New LWP 43770] [New LWP 43769] [New LWP 43768] [New LWP 43767] [New LWP 43766] [New LWP 43765] [New LWP 43764] [New LWP 43763] [New LWP 43749] [New LWP 43306] [New LWP 43302] [New LWP 43301] [New LWP 43300] [New LWP 43299] [New LWP 43298] [New LWP 43297] [New LWP 43296] [New LWP 43295] [New LWP 43294] [New LWP 43293] [New LWP 43292] [New LWP 43291] [New LWP 43289] [New LWP 43288] [New LWP 43287] [New LWP 43286] [New LWP 43285] [New LWP 43284] [New LWP 43283] [New LWP 43282] [New LWP 43281] [New LWP 43280] [New LWP 43279] [New LWP 43278] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". 0x00007f6ecca8c303 in poll () from /lib/x86_64-linux-gnu/libc.so.6 Thread 48 (Thread 0x7f6ec7bff700 (LWP 43278)): #0 0x00007f6ecd36f0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798e69 in safe_cond_timedwait (cond=0x7f6ed09f6ea0 , mp=0x7f6ed09f6de0 , abstime=0x7f6ec7bfee50, file=0x7f6ecfa2e2f0 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1202) at /home/elenst/git/10.1/mysys/thr_mutex.c:547 #2 0x00007f6ecf799de5 in inline_mysql_cond_timedwait (that=0x7f6ed09f6ea0 , mutex=0x7f6ed09f6de0 , abstime=0x7f6ec7bfee50, src_file=0x7f6ecfa2e328 "/home/elenst/git/10.1/mysys/thr_timer.c", src_line=292) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1202 #3 0x00007f6ecf79a89d in timer_handler (arg=0x0) at /home/elenst/git/10.1/mysys/thr_timer.c:292 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 47 (Thread 0x7f6eb5fff700 (LWP 43279)): #0 0x00007f6ecd36f0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798e69 in safe_cond_timedwait (cond=0x7f6ed09af400 , mp=0x7f6ed09af340 , abstime=0x7f6eb5ffedb0, file=0x7f6ecf94f7b0 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1202) at /home/elenst/git/10.1/mysys/thr_mutex.c:547 #2 0x00007f6ecf3497a4 in inline_mysql_cond_timedwait (that=0x7f6ed09af400 , mutex=0x7f6ed09af340 , abstime=0x7f6eb5ffedb0, src_file=0x7f6ecf94f7e8 "/home/elenst/git/10.1/storage/maria/ma_servicethread.c", src_line=119) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1202 #3 0x00007f6ecf349c3b in my_service_thread_sleep (control=0x7f6ecffc3fb0 , sleep_time=30000000000) at /home/elenst/git/10.1/storage/maria/ma_servicethread.c:118 #4 0x00007f6ecf33e7ef in ma_checkpoint_background (arg=0x1e) at /home/elenst/git/10.1/storage/maria/ma_checkpoint.c:709 #5 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 46 (Thread 0x7f6eaafff700 (LWP 43280)): #0 0x00007f6ece649644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f6ecf4d9bf1 in os_aio_linux_collect (array=0x7f6ecbfee100, segment=0, seg_size=256) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5337 #2 0x00007f6ecf4d9fbc in os_aio_linux_handle (global_seg=0, message1=0x7f6eaaffede8, message2=0x7f6eaaffedf0, type=0x7f6eaaffedf8, space_id=0x7f6eaaffee00) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5490 #3 0x00007f6ecf6ab2f8 in fil_aio_wait (segment=0) at /home/elenst/git/10.1/storage/xtradb/fil/fil0fil.cc:5933 #4 0x00007f6ecf5a1d2f in io_handler_thread (arg=0x7f6ed09d4f60 ) at /home/elenst/git/10.1/storage/xtradb/srv/srv0start.cc:535 #5 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 45 (Thread 0x7f6eaa7fe700 (LWP 43281)): #0 0x00007f6ece649644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f6ecf4d9bf1 in os_aio_linux_collect (array=0x7f6ecbfee0b0, segment=0, seg_size=256) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5337 #2 0x00007f6ecf4d9fbc in os_aio_linux_handle (global_seg=1, message1=0x7f6eaa7fdde8, message2=0x7f6eaa7fddf0, type=0x7f6eaa7fddf8, space_id=0x7f6eaa7fde00) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5490 #3 0x00007f6ecf6ab2f8 in fil_aio_wait (segment=1) at /home/elenst/git/10.1/storage/xtradb/fil/fil0fil.cc:5933 #4 0x00007f6ecf5a1d2f in io_handler_thread (arg=0x7f6ed09d4f68 ) at /home/elenst/git/10.1/storage/xtradb/srv/srv0start.cc:535 #5 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 44 (Thread 0x7f6ea9ffd700 (LWP 43282)): #0 0x00007f6ece649644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f6ecf4d9bf1 in os_aio_linux_collect (array=0x7f6ecbfee060, segment=0, seg_size=256) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5337 #2 0x00007f6ecf4d9fbc in os_aio_linux_handle (global_seg=2, message1=0x7f6ea9ffcde8, message2=0x7f6ea9ffcdf0, type=0x7f6ea9ffcdf8, space_id=0x7f6ea9ffce00) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5490 #3 0x00007f6ecf6ab2f8 in fil_aio_wait (segment=2) at /home/elenst/git/10.1/storage/xtradb/fil/fil0fil.cc:5933 #4 0x00007f6ecf5a1d2f in io_handler_thread (arg=0x7f6ed09d4f70 ) at /home/elenst/git/10.1/storage/xtradb/srv/srv0start.cc:535 #5 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 43 (Thread 0x7f6ea97fc700 (LWP 43283)): #0 0x00007f6ece649644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f6ecf4d9bf1 in os_aio_linux_collect (array=0x7f6ecbfee060, segment=1, seg_size=256) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5337 #2 0x00007f6ecf4d9fbc in os_aio_linux_handle (global_seg=3, message1=0x7f6ea97fbde8, message2=0x7f6ea97fbdf0, type=0x7f6ea97fbdf8, space_id=0x7f6ea97fbe00) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5490 #3 0x00007f6ecf6ab2f8 in fil_aio_wait (segment=3) at /home/elenst/git/10.1/storage/xtradb/fil/fil0fil.cc:5933 #4 0x00007f6ecf5a1d2f in io_handler_thread (arg=0x7f6ed09d4f78 ) at /home/elenst/git/10.1/storage/xtradb/srv/srv0start.cc:535 #5 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 42 (Thread 0x7f6ea8ffb700 (LWP 43284)): #0 0x00007f6ece649644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f6ecf4d9bf1 in os_aio_linux_collect (array=0x7f6ecbfee060, segment=2, seg_size=256) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5337 #2 0x00007f6ecf4d9fbc in os_aio_linux_handle (global_seg=4, message1=0x7f6ea8ffade8, message2=0x7f6ea8ffadf0, type=0x7f6ea8ffadf8, space_id=0x7f6ea8ffae00) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5490 #3 0x00007f6ecf6ab2f8 in fil_aio_wait (segment=4) at /home/elenst/git/10.1/storage/xtradb/fil/fil0fil.cc:5933 #4 0x00007f6ecf5a1d2f in io_handler_thread (arg=0x7f6ed09d4f80 ) at /home/elenst/git/10.1/storage/xtradb/srv/srv0start.cc:535 #5 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 41 (Thread 0x7f6ea87fa700 (LWP 43285)): #0 0x00007f6ece649644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f6ecf4d9bf1 in os_aio_linux_collect (array=0x7f6ecbfee060, segment=3, seg_size=256) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5337 #2 0x00007f6ecf4d9fbc in os_aio_linux_handle (global_seg=5, message1=0x7f6ea87f9de8, message2=0x7f6ea87f9df0, type=0x7f6ea87f9df8, space_id=0x7f6ea87f9e00) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5490 #3 0x00007f6ecf6ab2f8 in fil_aio_wait (segment=5) at /home/elenst/git/10.1/storage/xtradb/fil/fil0fil.cc:5933 #4 0x00007f6ecf5a1d2f in io_handler_thread (arg=0x7f6ed09d4f88 ) at /home/elenst/git/10.1/storage/xtradb/srv/srv0start.cc:535 #5 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 40 (Thread 0x7f6ea7ff9700 (LWP 43286)): #0 0x00007f6ece649644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f6ecf4d9bf1 in os_aio_linux_collect (array=0x7f6ecbfee150, segment=0, seg_size=256) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5337 #2 0x00007f6ecf4d9fbc in os_aio_linux_handle (global_seg=6, message1=0x7f6ea7ff8de8, message2=0x7f6ea7ff8df0, type=0x7f6ea7ff8df8, space_id=0x7f6ea7ff8e00) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5490 #3 0x00007f6ecf6ab2f8 in fil_aio_wait (segment=6) at /home/elenst/git/10.1/storage/xtradb/fil/fil0fil.cc:5933 #4 0x00007f6ecf5a1d2f in io_handler_thread (arg=0x7f6ed09d4f90 ) at /home/elenst/git/10.1/storage/xtradb/srv/srv0start.cc:535 #5 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 39 (Thread 0x7f6ea77f8700 (LWP 43287)): #0 0x00007f6ece649644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f6ecf4d9bf1 in os_aio_linux_collect (array=0x7f6ecbfee150, segment=1, seg_size=256) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5337 #2 0x00007f6ecf4d9fbc in os_aio_linux_handle (global_seg=7, message1=0x7f6ea77f7de8, message2=0x7f6ea77f7df0, type=0x7f6ea77f7df8, space_id=0x7f6ea77f7e00) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5490 #3 0x00007f6ecf6ab2f8 in fil_aio_wait (segment=7) at /home/elenst/git/10.1/storage/xtradb/fil/fil0fil.cc:5933 #4 0x00007f6ecf5a1d2f in io_handler_thread (arg=0x7f6ed09d4f98 ) at /home/elenst/git/10.1/storage/xtradb/srv/srv0start.cc:535 #5 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 38 (Thread 0x7f6ea6ff7700 (LWP 43288)): #0 0x00007f6ece649644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f6ecf4d9bf1 in os_aio_linux_collect (array=0x7f6ecbfee150, segment=2, seg_size=256) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5337 #2 0x00007f6ecf4d9fbc in os_aio_linux_handle (global_seg=8, message1=0x7f6ea6ff6de8, message2=0x7f6ea6ff6df0, type=0x7f6ea6ff6df8, space_id=0x7f6ea6ff6e00) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5490 #3 0x00007f6ecf6ab2f8 in fil_aio_wait (segment=8) at /home/elenst/git/10.1/storage/xtradb/fil/fil0fil.cc:5933 #4 0x00007f6ecf5a1d2f in io_handler_thread (arg=0x7f6ed09d4fa0 ) at /home/elenst/git/10.1/storage/xtradb/srv/srv0start.cc:535 #5 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 37 (Thread 0x7f6ea67f6700 (LWP 43289)): #0 0x00007f6ece649644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f6ecf4d9bf1 in os_aio_linux_collect (array=0x7f6ecbfee150, segment=3, seg_size=256) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5337 #2 0x00007f6ecf4d9fbc in os_aio_linux_handle (global_seg=9, message1=0x7f6ea67f5de8, message2=0x7f6ea67f5df0, type=0x7f6ea67f5df8, space_id=0x7f6ea67f5e00) at /home/elenst/git/10.1/storage/xtradb/os/os0file.cc:5490 #3 0x00007f6ecf6ab2f8 in fil_aio_wait (segment=9) at /home/elenst/git/10.1/storage/xtradb/fil/fil0fil.cc:5933 #4 0x00007f6ecf5a1d2f in io_handler_thread (arg=0x7f6ed09d4fa8 ) at /home/elenst/git/10.1/storage/xtradb/srv/srv0start.cc:535 #5 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 36 (Thread 0x7f6ea4fff700 (LWP 43291)): #0 0x00007f6ecd36f0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf4dc9d4 in os_cond_wait_timed (cond=0x7f6eac797bc0, fast_mutex=0x7f6eac797b80, abstime=0x7f6ea4ffee00) at /home/elenst/git/10.1/storage/xtradb/os/os0sync.cc:177 #2 0x00007f6ecf4dd1a3 in os_event_wait_time_low (event=0x7f6eac797b80, time_in_usec=1000000, reset_sig_count=1) at /home/elenst/git/10.1/storage/xtradb/os/os0sync.cc:723 #3 0x00007f6ecf4b0b91 in lock_wait_timeout_thread (arg=0x0) at /home/elenst/git/10.1/storage/xtradb/lock/lock0wait.cc:534 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 35 (Thread 0x7f6ea47fe700 (LWP 43292)): #0 0x00007f6ecd36f0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf4dc9d4 in os_cond_wait_timed (cond=0x7f6ecbc98cc0, fast_mutex=0x7f6ecbc98c80, abstime=0x7f6ea47fdda0) at /home/elenst/git/10.1/storage/xtradb/os/os0sync.cc:177 #2 0x00007f6ecf4dd1a3 in os_event_wait_time_low (event=0x7f6ecbc98c80, time_in_usec=1000000, reset_sig_count=1) at /home/elenst/git/10.1/storage/xtradb/os/os0sync.cc:723 #3 0x00007f6ecf59ca29 in srv_error_monitor_thread (arg=0x0) at /home/elenst/git/10.1/storage/xtradb/srv/srv0srv.cc:2384 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 34 (Thread 0x7f6ea3ffd700 (LWP 43293)): #0 0x00007f6ecd36f0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf4dc9d4 in os_cond_wait_timed (cond=0x7f6ecbc98d40, fast_mutex=0x7f6ecbc98d00, abstime=0x7f6ea3ffcdd0) at /home/elenst/git/10.1/storage/xtradb/os/os0sync.cc:177 #2 0x00007f6ecf4dd1a3 in os_event_wait_time_low (event=0x7f6ecbc98d00, time_in_usec=5000000, reset_sig_count=1) at /home/elenst/git/10.1/storage/xtradb/os/os0sync.cc:723 #3 0x00007f6ecf59c236 in srv_monitor_thread (arg=0x0) at /home/elenst/git/10.1/storage/xtradb/srv/srv0srv.cc:2107 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 33 (Thread 0x7f6ea37fc700 (LWP 43294)): #0 0x00007f6ecca91023 in select () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f6ecf4ddd16 in os_thread_sleep (tm=1000000) at /home/elenst/git/10.1/storage/xtradb/os/os0thread.cc:285 #2 0x00007f6ecf59e18f in srv_master_sleep () at /home/elenst/git/10.1/storage/xtradb/srv/srv0srv.cc:3116 #3 0x00007f6ecf59e2c9 in srv_master_thread (arg=0x0) at /home/elenst/git/10.1/storage/xtradb/srv/srv0srv.cc:3164 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 32 (Thread 0x7f6ea2ffb700 (LWP 43295)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf4dcabc in os_cond_wait (cond=0x7f6ecbc98c40, fast_mutex=0x7f6ecbc98c00) at /home/elenst/git/10.1/storage/xtradb/os/os0sync.cc:214 #2 0x00007f6ecf4dcfe4 in os_event_wait_low (event=0x7f6ecbc98c00, reset_sig_count=210) at /home/elenst/git/10.1/storage/xtradb/os/os0sync.cc:610 #3 0x00007f6ecf59ec57 in srv_purge_coordinator_suspend (slot=0x7f6ecbd07b80, rseg_history_len=182) at /home/elenst/git/10.1/storage/xtradb/srv/srv0srv.cc:3473 #4 0x00007f6ecf59f169 in srv_purge_coordinator_thread (arg=0x0) at /home/elenst/git/10.1/storage/xtradb/srv/srv0srv.cc:3595 #5 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 31 (Thread 0x7f6ea1bff700 (LWP 43296)): #0 0x00007f6ecca91023 in select () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f6ecf4ddd16 in os_thread_sleep (tm=1000000) at /home/elenst/git/10.1/storage/xtradb/os/os0thread.cc:285 #2 0x00007f6ecf64a9d9 in page_cleaner_sleep_if_needed (next_loop_time=1430836019900) at /home/elenst/git/10.1/storage/xtradb/buf/buf0flu.cc:2644 #3 0x00007f6ecf64ac7d in buf_flush_page_cleaner_thread (arg=0x0) at /home/elenst/git/10.1/storage/xtradb/buf/buf0flu.cc:2763 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 30 (Thread 0x7f6ea13fe700 (LWP 43297)): #0 0x00007f6ecca91023 in select () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f6ecf4ddd16 in os_thread_sleep (tm=1000000) at /home/elenst/git/10.1/storage/xtradb/os/os0thread.cc:285 #2 0x00007f6ecf64a9d9 in page_cleaner_sleep_if_needed (next_loop_time=1430836019929) at /home/elenst/git/10.1/storage/xtradb/buf/buf0flu.cc:2644 #3 0x00007f6ecf64b216 in buf_flush_lru_manager_thread (arg=0x0) at /home/elenst/git/10.1/storage/xtradb/buf/buf0flu.cc:2914 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 29 (Thread 0x7f6ea0bfd700 (LWP 43298)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf4dcabc in os_cond_wait (cond=0x7f6ecbc98dc0, fast_mutex=0x7f6ecbc98d80) at /home/elenst/git/10.1/storage/xtradb/os/os0sync.cc:214 #2 0x00007f6ecf4dcfe4 in os_event_wait_low (event=0x7f6ecbc98d80, reset_sig_count=1) at /home/elenst/git/10.1/storage/xtradb/os/os0sync.cc:610 #3 0x00007f6ecf6425e3 in buf_dump_thread (arg=0x0) at /home/elenst/git/10.1/storage/xtradb/buf/buf0dump.cc:594 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 28 (Thread 0x7f6ea03fc700 (LWP 43299)): #0 0x00007f6ecd36f0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf4dc9d4 in os_cond_wait_timed (cond=0x7f6eac28a6c0, fast_mutex=0x7f6eac28a680, abstime=0x7f6ea03fbe20) at /home/elenst/git/10.1/storage/xtradb/os/os0sync.cc:177 #2 0x00007f6ecf4dd1a3 in os_event_wait_time_low (event=0x7f6eac28a680, time_in_usec=10000000, reset_sig_count=102) at /home/elenst/git/10.1/storage/xtradb/os/os0sync.cc:723 #3 0x00007f6ecf69789c in dict_stats_thread (arg=0x0) at /home/elenst/git/10.1/storage/xtradb/dict/dict0stats_bg.cc:546 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 27 (Thread 0x7f6e9fbfb700 (LWP 43300)): #0 0x00007f6ecd36f0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf4dc9d4 in os_cond_wait_timed (cond=0x7f6eac35d740, fast_mutex=0x7f6eac35d700, abstime=0x7f6e9fbfad70) at /home/elenst/git/10.1/storage/xtradb/os/os0sync.cc:177 #2 0x00007f6ecf4dd1a3 in os_event_wait_time_low (event=0x7f6eac35d700, time_in_usec=5000000, reset_sig_count=1) at /home/elenst/git/10.1/storage/xtradb/os/os0sync.cc:723 #3 0x00007f6ecf5e522d in ib_wqueue_timedwait (wq=0x7f6ecbcd25f8, wait_in_usecs=5000000) at /home/elenst/git/10.1/storage/xtradb/ut/ut0wqueue.cc:154 #4 0x00007f6ecf6e2902 in fts_optimize_thread (arg=0x7f6ecbcd25f8) at /home/elenst/git/10.1/storage/xtradb/fts/fts0opt.cc:3003 #5 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 26 (Thread 0x7f6e9f3fa700 (LWP 43301)): #0 0x00007f6ecca91023 in select () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f6ecf4ddd16 in os_thread_sleep (tm=1000000) at /home/elenst/git/10.1/storage/xtradb/os/os0thread.cc:285 #2 0x00007f6ecf62a39b in btr_defragment_thread (arg=0x0) at /home/elenst/git/10.1/storage/xtradb/btr/btr0defragment.cc:743 #3 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #4 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #5 0x0000000000000000 in ?? () Thread 25 (Thread 0x7f6ecea54700 (LWP 43302)): #0 0x00007f6ecd3729f7 in do_sigwait () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecd372a79 in sigwait () from /lib/x86_64-linux-gnu/libpthread.so.0 #2 0x00007f6ecee5d2c1 in signal_hand (arg=0x0) at /home/elenst/git/10.1/sql/mysqld.cc:3441 #3 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #4 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #5 0x0000000000000000 in ?? () Thread 24 (Thread 0x7f6ecea0b700 (LWP 43306)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6ecbf92e30, mp=0x7f6ecbf92c60, file=0x7f6ecf878aa0 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf03f3c6 in inline_mysql_cond_wait (that=0x7f6ecbf92e30, mutex=0x7f6ecbf92c60, src_file=0x7f6ecf878c50 "/home/elenst/git/10.1/sql/rpl_rli.cc", src_line=935) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf042063 in Relay_log_info::wait_for_pos (this=0x7f6ecbf90c40, thd=0x7f6ea522f070, log_name=0x7f6e9d5091b0, log_pos=1019, timeout=0) at /home/elenst/git/10.1/sql/rpl_rli.cc:935 #4 0x00007f6ecf1c0698 in Item_master_pos_wait::val_int (this=0x7f6e9d509358) at /home/elenst/git/10.1/sql/item_func.cc:3964 #5 0x00007f6ecf174073 in Item::send (this=0x7f6e9d509358, protocol=0x7f6ea522f600, buffer=0x7f6ecea08a50) at /home/elenst/git/10.1/sql/item.cc:6399 #6 0x00007f6ecee71d3e in Protocol::send_result_set_row (this=0x7f6ea522f600, row_items=0x7f6ea5233600) at /home/elenst/git/10.1/sql/protocol.cc:906 #7 0x00007f6eceee7e8d in select_send::send_data (this=0x7f6e9d509560, items=...) at /home/elenst/git/10.1/sql/sql_class.cc:2774 #8 0x00007f6ecef65bdf in JOIN::exec_inner (this=0x7f6e9d509580) at /home/elenst/git/10.1/sql/sql_select.cc:2475 #9 0x00007f6ecef65669 in JOIN::exec (this=0x7f6e9d509580) at /home/elenst/git/10.1/sql/sql_select.cc:2397 #10 0x00007f6ecef68c5a in mysql_select (thd=0x7f6ea522f070, rref_pointer_array=0x7f6ea5233760, tables=0x0, wild_num=0, fields=..., conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147748608, result=0x7f6e9d509560, unit=0x7f6ea5232df8, select_lex=0x7f6ea52334e8) at /home/elenst/git/10.1/sql/sql_select.cc:3326 #11 0x00007f6ecef5ebfb in handle_select (thd=0x7f6ea522f070, lex=0x7f6ea5232d30, result=0x7f6e9d509560, setup_tables_done_option=0) at /home/elenst/git/10.1/sql/sql_select.cc:373 #12 0x00007f6ecef2fe6d in execute_sqlcom_select (thd=0x7f6ea522f070, all_tables=0x0) at /home/elenst/git/10.1/sql/sql_parse.cc:5782 #13 0x00007f6ecef263ca in mysql_execute_command (thd=0x7f6ea522f070) at /home/elenst/git/10.1/sql/sql_parse.cc:2926 #14 0x00007f6ecef33403 in mysql_parse (thd=0x7f6ea522f070, rawbuf=0x7f6e9d509088 "SELECT MASTER_POS_WAIT('mysql-bin.000027',1019)", length=47, parser_state=0x7f6ecea0a1e0) at /home/elenst/git/10.1/sql/sql_parse.cc:7165 #15 0x00007f6ecef226b4 in dispatch_command (command=COM_QUERY, thd=0x7f6ea522f070, packet=0x7f6eac380071 "", packet_length=47) at /home/elenst/git/10.1/sql/sql_parse.cc:1462 #16 0x00007f6ecef2148f in do_command (thd=0x7f6ea522f070) at /home/elenst/git/10.1/sql/sql_parse.cc:1090 #17 0x00007f6ecf051a39 in do_handle_one_connection (thd_arg=0x7f6ea522f070) at /home/elenst/git/10.1/sql/sql_connect.cc:1347 #18 0x00007f6ecf051791 in handle_one_connection (arg=0x7f6ea522f070) at /home/elenst/git/10.1/sql/sql_connect.cc:1258 #19 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #20 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #21 0x0000000000000000 in ?? () Thread 23 (Thread 0x7f6ece9c2700 (LWP 43749)): #0 0x00007f6ecca8c303 in poll () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f6ecf7e683f in vio_io_wait (vio=0x7f6e9dc5a0f0, event=VIO_IO_EVENT_READ, timeout=3600000) at /home/elenst/git/10.1/vio/viosocket.c:969 #2 0x00007f6ecf7e51fa in vio_socket_io_wait (vio=0x7f6e9dc5a0f0, event=VIO_IO_EVENT_READ) at /home/elenst/git/10.1/vio/viosocket.c:108 #3 0x00007f6ecf7e53ae in vio_read (vio=0x7f6e9dc5a0f0, buf=0x7f6e9dc7c070 "$", size=16384) at /home/elenst/git/10.1/vio/viosocket.c:181 #4 0x00007f6ecf7e55a1 in vio_read_buff (vio=0x7f6e9dc5a0f0, buf=0x7f6e9dd4e070 "", size=4) at /home/elenst/git/10.1/vio/viosocket.c:223 #5 0x00007f6ecee6a8eb in my_real_read (net=0x7f6e9dc69470, complen=0x7f6ece9c1c30, header=0 '\000') at /home/elenst/git/10.1/sql/net_serv.cc:872 #6 0x00007f6ecee6af7c in my_net_read_packet (net=0x7f6e9dc69470, read_from_server=0 '\000') at /home/elenst/git/10.1/sql/net_serv.cc:1088 #7 0x00007f6ecf1150e4 in cli_safe_read (mysql=0x7f6e9dc69470) at /home/elenst/git/10.1/sql-common/client.c:767 #8 0x00007f6ecee86adf in read_event (mysql=0x7f6e9dc69470, mi=0x7f6ecbf8f000, suppress_warnings=0x7f6ece9c1d4d) at /home/elenst/git/10.1/sql/slave.cc:3108 #9 0x00007f6ecee88d8c in handle_slave_io (arg=0x7f6ecbf8f000) at /home/elenst/git/10.1/sql/slave.cc:4030 #10 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #11 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #12 0x0000000000000000 in ?? () Thread 22 (Thread 0x7f6ece930700 (LWP 43763)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d80a1c8, mp=0x7f6e9d80a118, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d80a1c8, mutex=0x7f6e9d80a118, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=715) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bd629 in handle_rpl_parallel_thread (arg=0x7f6e9d80a110) at /home/elenst/git/10.1/sql/rpl_parallel.cc:715 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 21 (Thread 0x7f6ecc744700 (LWP 43764)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d80a398, mp=0x7f6e9d80a2e8, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d80a398, mutex=0x7f6e9d80a2e8, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=715) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bd629 in handle_rpl_parallel_thread (arg=0x7f6e9d80a2e0) at /home/elenst/git/10.1/sql/rpl_parallel.cc:715 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 20 (Thread 0x7f6ecc6b2700 (LWP 43765)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d80a568, mp=0x7f6e9d80a4b8, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d80a568, mutex=0x7f6e9d80a4b8, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=715) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bd629 in handle_rpl_parallel_thread (arg=0x7f6e9d80a4b0) at /home/elenst/git/10.1/sql/rpl_parallel.cc:715 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 19 (Thread 0x7f6ec73fe700 (LWP 43766)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d80a738, mp=0x7f6e9d80a688, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d80a738, mutex=0x7f6e9d80a688, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=715) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bd629 in handle_rpl_parallel_thread (arg=0x7f6e9d80a680) at /home/elenst/git/10.1/sql/rpl_parallel.cc:715 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 18 (Thread 0x7f6ecc58e700 (LWP 43767)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d80a908, mp=0x7f6e9d80a858, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d80a908, mutex=0x7f6e9d80a858, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=715) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bd629 in handle_rpl_parallel_thread (arg=0x7f6e9d80a850) at /home/elenst/git/10.1/sql/rpl_parallel.cc:715 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 17 (Thread 0x7f6ecc4b3700 (LWP 43768)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d80aad8, mp=0x7f6e9d80aa28, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d80aad8, mutex=0x7f6e9d80aa28, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=715) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bd629 in handle_rpl_parallel_thread (arg=0x7f6e9d80aa20) at /home/elenst/git/10.1/sql/rpl_parallel.cc:715 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 16 (Thread 0x7f6ecc669700 (LWP 43769)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d80aca8, mp=0x7f6e9d80abf8, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d80aca8, mutex=0x7f6e9d80abf8, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=715) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bd629 in handle_rpl_parallel_thread (arg=0x7f6e9d80abf0) at /home/elenst/git/10.1/sql/rpl_parallel.cc:715 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 15 (Thread 0x7f6ec7291700 (LWP 43770)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d80ae78, mp=0x7f6e9d80adc8, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d80ae78, mutex=0x7f6e9d80adc8, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=715) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bd629 in handle_rpl_parallel_thread (arg=0x7f6e9d80adc0) at /home/elenst/git/10.1/sql/rpl_parallel.cc:715 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 14 (Thread 0x7f6ece979700 (LWP 43771)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d80b048, mp=0x7f6e9d80af98, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d80b048, mutex=0x7f6e9d80af98, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=715) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bd629 in handle_rpl_parallel_thread (arg=0x7f6e9d80af90) at /home/elenst/git/10.1/sql/rpl_parallel.cc:715 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 13 (Thread 0x7f6ecc78d700 (LWP 43772)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d80b218, mp=0x7f6e9d80b168, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d80b218, mutex=0x7f6e9d80b168, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=715) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bd629 in handle_rpl_parallel_thread (arg=0x7f6e9d80b160) at /home/elenst/git/10.1/sql/rpl_parallel.cc:715 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 12 (Thread 0x7f6ecc545700 (LWP 43773)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d80b3e8, mp=0x7f6e9d80b338, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d80b3e8, mutex=0x7f6e9d80b338, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=715) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bd629 in handle_rpl_parallel_thread (arg=0x7f6e9d80b330) at /home/elenst/git/10.1/sql/rpl_parallel.cc:715 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 11 (Thread 0x7f6ecc6fb700 (LWP 43774)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d80b5b8, mp=0x7f6e9d80b508, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d80b5b8, mutex=0x7f6e9d80b508, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=715) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bd629 in handle_rpl_parallel_thread (arg=0x7f6e9d80b500) at /home/elenst/git/10.1/sql/rpl_parallel.cc:715 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 10 (Thread 0x7f6ece8e7700 (LWP 43775)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d05b710, mp=0x7f6e9c48c370, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d05b710, mutex=0x7f6e9c48c370, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=851) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bdc59 in handle_rpl_parallel_thread (arg=0x7f6e9d80b6d0) at /home/elenst/git/10.1/sql/rpl_parallel.cc:851 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 9 (Thread 0x7f6ec72da700 (LWP 43776)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d05b550, mp=0x7f6e9c48c370, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d05b550, mutex=0x7f6e9c48c370, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=851) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bdc59 in handle_rpl_parallel_thread (arg=0x7f6e9d80b8a0) at /home/elenst/git/10.1/sql/rpl_parallel.cc:851 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 8 (Thread 0x7f6ecc5d7700 (LWP 43777)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d05b470, mp=0x7f6e9c48c370, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d05b470, mutex=0x7f6e9c48c370, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=851) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bdc59 in handle_rpl_parallel_thread (arg=0x7f6e9d80ba70) at /home/elenst/git/10.1/sql/rpl_parallel.cc:851 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 7 (Thread 0x7f6ecc46a700 (LWP 43778)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d05b390, mp=0x7f6e9c48c370, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d05b390, mutex=0x7f6e9c48c370, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=851) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bdc59 in handle_rpl_parallel_thread (arg=0x7f6e9d80bc40) at /home/elenst/git/10.1/sql/rpl_parallel.cc:851 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 6 (Thread 0x7f6ecc4fc700 (LWP 43779)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d05b2b0, mp=0x7f6e9c48c370, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d05b2b0, mutex=0x7f6e9c48c370, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=851) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bdc59 in handle_rpl_parallel_thread (arg=0x7f6e9d80be10) at /home/elenst/git/10.1/sql/rpl_parallel.cc:851 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 5 (Thread 0x7f6ecc620700 (LWP 43780)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d05b0f0, mp=0x7f6e9c48c370, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d05b0f0, mutex=0x7f6e9c48c370, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=851) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0bdc59 in handle_rpl_parallel_thread (arg=0x7f6e9d80bfe0) at /home/elenst/git/10.1/sql/rpl_parallel.cc:851 #4 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000000000 in ?? () Thread 4 (Thread 0x7f6ec7323700 (LWP 43781)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d02c8e8, mp=0x7f6e9d02c838, file=0x7f6ecf847fc0 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6eceee11e3 in inline_mysql_cond_wait (that=0x7f6e9d02c8e8, mutex=0x7f6e9d02c838, src_file=0x7f6ecf848828 "/home/elenst/git/10.1/sql/sql_class.cc", src_line=6853) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6eceef1847 in wait_for_commit::wait_for_prior_commit2 (this=0x7f6e9d02c838, thd=0x7f6e9c500070) at /home/elenst/git/10.1/sql/sql_class.cc:6853 #4 0x00007f6eceed0ecb in wait_for_commit::wait_for_prior_commit (this=0x7f6e9d02c838, thd=0x7f6e9c500070) at /home/elenst/git/10.1/sql/sql_class.h:1780 #5 0x00007f6eceed11da in THD::wait_for_prior_commit (this=0x7f6e9c500070) at /home/elenst/git/10.1/sql/sql_class.h:3781 #6 0x00007f6ecf153400 in ha_commit_one_phase (thd=0x7f6e9c500070, all=true) at /home/elenst/git/10.1/sql/handler.cc:1536 #7 0x00007f6ecf152d27 in ha_commit_trans (thd=0x7f6e9c500070, all=true) at /home/elenst/git/10.1/sql/handler.cc:1406 #8 0x00007f6ecf06569c in trans_commit (thd=0x7f6e9c500070) at /home/elenst/git/10.1/sql/transaction.cc:236 #9 0x00007f6ecf24c17d in Xid_log_event::do_apply_event (this=0x7f6e9d0ed170, rgi=0x7f6e9d02c800) at /home/elenst/git/10.1/sql/log_event.cc:7393 #10 0x00007f6ecee9141c in Log_event::apply_event (this=0x7f6e9d0ed170, rgi=0x7f6e9d02c800) at /home/elenst/git/10.1/sql/log_event.h:1347 #11 0x00007f6ecee8708a in apply_event_and_update_pos (ev=0x7f6e9d0ed170, thd=0x7f6e9c500070, rgi=0x7f6e9d02c800, rpt=0x7f6e9d80c1b0) at /home/elenst/git/10.1/sql/slave.cc:3274 #12 0x00007f6ecf0bbdbf in rpt_handle_event (qev=0x7f6e9d11a570, rpt=0x7f6e9d80c1b0) at /home/elenst/git/10.1/sql/rpl_parallel.cc:49 #13 0x00007f6ecf0be027 in handle_rpl_parallel_thread (arg=0x7f6e9d80c1b0) at /home/elenst/git/10.1/sql/rpl_parallel.cc:942 #14 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #15 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #16 0x0000000000000000 in ?? () Thread 3 (Thread 0x7f6ec736c700 (LWP 43782)): #0 0x00007f6ecd36f0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798e69 in safe_cond_timedwait (cond=0x7f6e9c494218, mp=0x7f6e9c494168, abstime=0x7f6ec7368aa0, file=0x7f6ecf87e040 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1202) at /home/elenst/git/10.1/mysys/thr_mutex.c:547 #2 0x00007f6ecf05ab1d in inline_mysql_cond_timedwait (that=0x7f6e9c494218, mutex=0x7f6e9c494168, abstime=0x7f6ec7368aa0, src_file=0x7f6ecf87e2a8 "/home/elenst/git/10.1/sql/mdl.cc", src_line=1066) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1202 #3 0x00007f6ecf05bc87 in MDL_wait::timed_wait (this=0x7f6e9c494168, owner=0x7f6e9c494120, abs_timeout=0x7f6ec7368aa0, set_status_on_timeout=false, wait_state_name=0x7f6ecffbc8b0 ) at /home/elenst/git/10.1/sql/mdl.cc:1066 #4 0x00007f6ecf05d5db in MDL_context::acquire_lock (this=0x7f6e9c494168, mdl_request=0x7f6ec7368b60, lock_wait_timeout=31536000) at /home/elenst/git/10.1/sql/mdl.cc:2039 #5 0x00007f6ecf05dd16 in MDL_context::upgrade_shared_lock (this=0x7f6e9c494168, mdl_ticket=0x7f6e9c4f30c0, new_type=MDL_EXCLUSIVE, lock_wait_timeout=31536000) at /home/elenst/git/10.1/sql/mdl.cc:2232 #6 0x00007f6eceebe274 in wait_while_table_is_used (thd=0x7f6e9c494070, table=0x7f6e9c8ef870, function=HA_EXTRA_FORCE_REOPEN) at /home/elenst/git/10.1/sql/sql_base.cc:1874 #7 0x00007f6ecefe55bd in simple_rename_or_index_change (thd=0x7f6e9c494070, table_list=0x7f6e9c4d0100, keys_onoff=Alter_info::DISABLE, alter_ctx=0x7f6ec7369b80) at /home/elenst/git/10.1/sql/sql_table.cc:8082 #8 0x00007f6ecefe65fe in mysql_alter_table (thd=0x7f6e9c494070, new_db=0x7f6e9c4d06e0 "test", new_name=0x0, create_info=0x7f6ec736a780, table_list=0x7f6e9c4d0100, alter_info=0x7f6ec736a6f0, order_num=0, order=0x0, ignore=false) at /home/elenst/git/10.1/sql/sql_table.cc:8452 #9 0x00007f6ecf056741 in Sql_cmd_alter_table::execute (this=0x7f6e9c4d06e8, thd=0x7f6e9c494070) at /home/elenst/git/10.1/sql/sql_alter.cc:325 #10 0x00007f6ecef2f2db in mysql_execute_command (thd=0x7f6e9c494070) at /home/elenst/git/10.1/sql/sql_parse.cc:5558 #11 0x00007f6ecef33403 in mysql_parse (thd=0x7f6e9c494070, rawbuf=0x7f6e9d12b1b9 "ALTER TABLE `PP_J` DISABLE KEYS", length=31, parser_state=0x7f6ec736ba50) at /home/elenst/git/10.1/sql/sql_parse.cc:7165 #12 0x00007f6ecf244a4b in Query_log_event::do_apply_event (this=0x7f6e9d10d3f0, rgi=0x7f6e9d02c000, query_arg=0x7f6e9d12b1b9 "ALTER TABLE `PP_J` DISABLE KEYS", q_len_arg=31) at /home/elenst/git/10.1/sql/log_event.cc:4287 #13 0x00007f6ecf243ccd in Query_log_event::do_apply_event (this=0x7f6e9d10d3f0, rgi=0x7f6e9d02c000) at /home/elenst/git/10.1/sql/log_event.cc:4013 #14 0x00007f6ecee9141c in Log_event::apply_event (this=0x7f6e9d10d3f0, rgi=0x7f6e9d02c000) at /home/elenst/git/10.1/sql/log_event.h:1347 #15 0x00007f6ecee8708a in apply_event_and_update_pos (ev=0x7f6e9d10d3f0, thd=0x7f6e9c494070, rgi=0x7f6e9d02c000, rpt=0x7f6e9d80c380) at /home/elenst/git/10.1/sql/slave.cc:3274 #16 0x00007f6ecf0bbdbf in rpt_handle_event (qev=0x7f6e9d114b70, rpt=0x7f6e9d80c380) at /home/elenst/git/10.1/sql/rpl_parallel.cc:49 #17 0x00007f6ecf0be027 in handle_rpl_parallel_thread (arg=0x7f6e9d80c380) at /home/elenst/git/10.1/sql/rpl_parallel.cc:942 #18 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #19 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #20 0x0000000000000000 in ?? () Thread 2 (Thread 0x7f6ec73b5700 (LWP 43783)): #0 0x00007f6ecd36ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f6ecf798b67 in safe_cond_wait (cond=0x7f6e9d80b7c0, mp=0x7f6e9d80b6d8, file=0x7f6ecf893a00 "/home/elenst/git/10.1/include/mysql/psi/mysql_thread.h", line=1165) at /home/elenst/git/10.1/mysys/thr_mutex.c:493 #2 0x00007f6ecf0bbaa6 in inline_mysql_cond_wait (that=0x7f6e9d80b7c0, mutex=0x7f6e9d80b6d8, src_file=0x7f6ecf893b40 "/home/elenst/git/10.1/sql/rpl_parallel.cc", src_line=1660) at /home/elenst/git/10.1/include/mysql/psi/mysql_thread.h:1165 #3 0x00007f6ecf0c0064 in rpl_parallel_entry::choose_thread (this=0x7f6e9c48c370, rgi=0x7f6e9d02b800, did_enter_cond=0x7f6ec73b4339, old_stage=0x7f6ec73b43c0, reuse=true) at /home/elenst/git/10.1/sql/rpl_parallel.cc:1660 #4 0x00007f6ecf0c1311 in rpl_parallel::do_event (this=0x7f6ecbf93f40, serial_rgi=0x7f6e9d02b800, ev=0x7f6e9d12dc30, event_size=244) at /home/elenst/git/10.1/sql/rpl_parallel.cc:2189 #5 0x00007f6ecee87699 in exec_relay_log_event (thd=0x7f6e9d063070, rli=0x7f6ecbf90c40, serial_rgi=0x7f6e9d02b800) at /home/elenst/git/10.1/sql/slave.cc:3525 #6 0x00007f6ecee8abd6 in handle_slave_sql (arg=0x7f6ecbf8f000) at /home/elenst/git/10.1/sql/slave.cc:4675 #7 0x00007f6ecd36ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #8 0x00007f6ecca97cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #9 0x0000000000000000 in ?? () Thread 1 (Thread 0x7f6ecea5c780 (LWP 43277)): #0 0x00007f6ecca8c303 in poll () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f6ecee627a6 in handle_connections_sockets () at /home/elenst/git/10.1/sql/mysqld.cc:6365 #2 0x00007f6ecee6175a in mysqld_main (argc=29, argv=0x7f6ecbc1e6a0) at /home/elenst/git/10.1/sql/mysqld.cc:5793 #3 0x00007f6ecee57078 in main (argc=29, argv=0x7fff02602af8) at /home/elenst/git/10.1/sql/main.cc:25