Thread 26 (Thread 0x7f5e8b503300 (LWP 26940)):
#0  do_sigwait (sig=0x7f5e8b502828, set=<optimized out>) at ../sysdeps/unix/sysv/linux/sigwait.c:64
        ret = <optimized out>
        tmpset = {__val = {0 <repeats 16 times>}}
#1  __sigwait (set=set@entry=0x7f5e8b502880, sig=sig@entry=0x7f5e8b502828) at ../sysdeps/unix/sysv/linux/sigwait.c:96
        oldtype = 0
        result = 128
        sig = 0x7f5e8b502828
        set = 0x7f5e8b502880
#2  0x0000564a97d31293 in signal_hand (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/sql/mysqld.cc:3558
        error = <optimized out>
        set = {__val = {548869, 0 <repeats 15 times>}}
        sig = 0
#3  0x00007f5e899e76fa in start_thread (arg=0x7f5e8b503300) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e8b503300
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140044040942336, 1781787356713274214, 0, 140734990685487, 140044040943040, 140734990686064, -1871464957796856986, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#4  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 25 (Thread 0x7f5e8b54d300 (LWP 26939)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x0000564a97fd837f in inline_mysql_cond_wait (src_file=0x564a9840dfb8 "/home/hartmut/projects/mariadb/releases/mariadb-10.2.1/sql/log.cc", src_line=9571, 
    mutex=0x564a98baeb30 <mysql_bin_log+3120>, that=0x564a98baeb60 <mysql_bin_log+3168>)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/include/mysql/psi/mysql_thread.h:1149
        result = <optimized out>
#2  binlog_background_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/sql/log.cc:9571
        stop = false
        queue = 0x0
        next = <optimized out>
        thd = 0x7f5e5c412008
        __FUNCTION__ = "binlog_background_thread"
#3  0x00007f5e899e76fa in start_thread (arg=0x7f5e8b54d300) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e8b54d300
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140044041245440, 1781787356713274214, 0, 140734990684623, 140044041246144, 94878389952256, -1871464995377820826, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#4  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 24 (Thread 0x7f5e5ebfc700 (LWP 26938)):
#0  0x00007f5e89088d13 in select () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x0000564a980d0c8b in os_thread_sleep (tm=tm@entry=1000000) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0thread.cc:278
        t = {tv_sec = 0, tv_usec = 205941}
#2  0x0000564a9818b1dd in btr_defragment_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/btr/btr0defragment.cc:758
        item = <optimized out>
        now = <optimized out>
        elapsed = <optimized out>
        pcur = <optimized out>
        cursor = <optimized out>
        index = <optimized out>
        mtr = {memo = {heap = 0x0, used = 0, data = '\000' <repeats 511 times>, base = {count = 0, start = 0x0, end = 0x0}, list = {prev = 0x0, next = 0x0}}, log = {
            heap = 0x0, used = 0, data = '\000' <repeats 511 times>, base = {count = 0, start = 0x0, end = 0x0}, list = {prev = 0x0, next = 0x0}}, inside_ibuf = 0, 
          modifications = 0, made_dirty = 0, n_log_recs = 0, n_freed_pages = 0, log_mode = 0, start_lsn = 0, end_lsn = 0, trx = 0x0}
        first_block = <optimized out>
        last_block = <optimized out>
#3  0x00007f5e899e76fa in start_thread (arg=0x7f5e5ebfc700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e5ebfc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043293280000, 1781787356713274214, 0, 140734990667551, 140043293280704, 94878390108041, -1871646595856118938, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#4  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 23 (Thread 0x7f5e5f7fd700 (LWP 26937)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
No locals.
#1  0x0000564a980d053e in os_cond_wait_timed (abstime=0x7f5e5f7fcc20, fast_mutex=0x7f5e87c4ddd0, cond=0x7f5e87c4de08)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0sync.cc:131
        mutex = 0x7f5e87c4ddd0
        ret = <optimized out>
#2  os_event_wait_time_low (event=0x7f5e87c4ddd0, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=reset_sig_count@entry=1)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0sync.cc:450
        timed_out = 0
        abstime = {tv_sec = 1470912178, tv_nsec = 834568000}
#3  0x0000564a9815f086 in ib_wqueue_timedwait (wq=wq@entry=0x7f5e87c53ce8, wait_in_usecs=wait_in_usecs@entry=5000000)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/ut/ut0wqueue.cc:154
        error = <optimized out>
        sig_count = 1
        node = <optimized out>
#4  0x0000564a98216416 in fts_optimize_thread (arg=0x7f5e87c53ce8) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/fts/fts0opt.cc:3054
        msg = <optimized out>
        tables = 0x7f5e5dc12108
        current = <optimized out>
        done = 0
        n_tables = 0
        exit_event = 0x0
        n_optimize = 0
        wq = 0x7f5e87c53ce8
#5  0x00007f5e899e76fa in start_thread (arg=0x7f5e5f7fd700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e5f7fd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043305867008, 1781787356713274214, 0, 140734990667551, 140043305867712, 94878390108041, -1871649344098317466, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 22 (Thread 0x7f5e5fffe700 (LWP 26936)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
No locals.
#1  0x0000564a980d053e in os_cond_wait_timed (abstime=0x7f5e5fffdc60, fast_mutex=0x7f5e87c4dc10, cond=0x7f5e87c4dc48)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0sync.cc:131
        mutex = 0x7f5e87c4dc10
        ret = <optimized out>
#2  os_event_wait_time_low (event=0x7f5e87c4dc10, time_in_usec=time_in_usec@entry=10000000, reset_sig_count=1, reset_sig_count@entry=0)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0sync.cc:450
        timed_out = 0
        abstime = {tv_sec = 1470912183, tv_nsec = 833017000}
#3  0x0000564a981da8d3 in dict_stats_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/dict/dict0stats_bg.cc:546
No locals.
#4  0x00007f5e899e76fa in start_thread (arg=0x7f5e5fffe700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e5fffe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043314259712, 1781787356713274214, 0, 140734990667551, 140043314260416, 94878390108041, -1871648244049818778, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 21 (Thread 0x7f5e607ff700 (LWP 26935)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x0000564a980d03db in os_cond_wait (fast_mutex=0x7f5e87c4c2b0, cond=0x7f5e87c4c2e8)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0sync.cc:167
        mutex = 0x7f5e87c4c2b0
#2  os_event_wait_low (event=0x7f5e87c4c2b0, reset_sig_count=1, reset_sig_count@entry=0)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0sync.cc:362
No locals.
#3  0x0000564a9819e293 in buf_dump_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/buf/buf0dump.cc:703
No locals.
#4  0x00007f5e899e76fa in start_thread (arg=0x7f5e607ff700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e607ff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043322652416, 1781787356713274214, 0, 140734990667551, 140043322653120, 94878390108041, -1871545988931564698, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 20 (Thread 0x7f5e617f9700 (LWP 26934)):
#0  0x00007f5e89088d13 in select () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x0000564a980d0c8b in os_thread_sleep (tm=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0thread.cc:278
        t = {tv_sec = 0, tv_usec = 126453}
#2  0x0000564a9819e37e in page_cleaner_sleep_if_needed (next_loop_time=next_loop_time@entry=1470912177810)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/buf/buf0flu.cc:2638
        cur_time = <optimized out>
#3  0x0000564a981a4e57 in buf_flush_lru_manager_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/buf/buf0flu.cc:2912
        next_loop_time = 1470912177810
        lru_sleep_time = 1000
        lru_n_flushed = 0
#4  0x00007f5e899e76fa in start_thread (arg=0x7f5e617f9700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e617f9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043339405056, 1781787356713274214, 0, 140734990667551, 140043339405760, 94878390108041, -1871548191176045722, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 19 (Thread 0x7f5e61ffa700 (LWP 26933)):
#0  0x00007f5e89088d13 in select () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x0000564a980d0c8b in os_thread_sleep (tm=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0thread.cc:278
        t = {tv_sec = 0, tv_usec = 127397}
#2  0x0000564a9819e37e in page_cleaner_sleep_if_needed (next_loop_time=next_loop_time@entry=1470912177811)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/buf/buf0flu.cc:2638
        cur_time = <optimized out>
#3  0x0000564a981a3e25 in buf_flush_page_cleaner_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/buf/buf0flu.cc:2762
        server_active = <optimized out>
        next_loop_time = 1470912177811
        n_flushed = 0
        last_activity = 11
        last_activity_time = 1470912124753
        success = <optimized out>
#4  0x00007f5e899e76fa in start_thread (arg=0x7f5e61ffa700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e61ffa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043347797760, 1781787356713274214, 0, 140734990667551, 140043347798464, 94878390108041, -1871547091127547034, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 18 (Thread 0x7f5e627fb700 (LWP 26932)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x0000564a980d03db in os_cond_wait (fast_mutex=0x7f5e87c4c080, cond=0x7f5e87c4c0b8)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0sync.cc:167
        mutex = 0x7f5e87c4c080
#2  os_event_wait_low (event=0x7f5e87c4c080, reset_sig_count=reset_sig_count@entry=1) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0sync.cc:362
No locals.
#3  0x0000564a98134951 in srv_purge_coordinator_suspend (rseg_history_len=<optimized out>, slot=0x7f5e87c19788)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0srv.cc:3541
        ret = <optimized out>
        stop = true
        sig_count = 1
#4  srv_purge_coordinator_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0srv.cc:3663
        slot = <optimized out>
        n_total_purged = <optimized out>
        rseg_history_len = <optimized out>
        n_pages_purged = <optimized out>
        temp_batch_size = <optimized out>
#5  0x00007f5e899e76fa in start_thread (arg=0x7f5e627fb700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e627fb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043356190464, 1781787356713274214, 0, 140734990667551, 140043356191168, 94878390108041, -1871550389125559450, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 17 (Thread 0x7f5e62ffc700 (LWP 26931)):
#0  0x00007f5e89088d13 in select () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x0000564a980d0c8b in os_thread_sleep (tm=tm@entry=1000000) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0thread.cc:278
        t = {tv_sec = 0, tv_usec = 84591}
#2  0x0000564a981332b0 in srv_master_sleep () at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0srv.cc:3181
No locals.
#3  srv_master_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0srv.cc:3231
        slot = 0x7f5e87c19750
        old_activity_count = 11
        old_ibuf_merge_activity_count = 0
        last_print_time = 1470912123
#4  0x00007f5e899e76fa in start_thread (arg=0x7f5e62ffc700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e62ffc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043364583168, 1781787356713274214, 0, 140734990667551, 140043364583872, 94878390108041, -1871549289077060762, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 16 (Thread 0x7f5e637fd700 (LWP 26930)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
No locals.
#1  0x0000564a980d053e in os_cond_wait_timed (abstime=0x7f5e637fcca0, fast_mutex=0x7f5e87c4c240, cond=0x7f5e87c4c278)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0sync.cc:131
        mutex = 0x7f5e87c4c240
        ret = <optimized out>
#2  os_event_wait_time_low (event=0x7f5e87c4c240, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=1)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0sync.cc:450
        timed_out = 0
        abstime = {tv_sec = 1470912178, tv_nsec = 669436000}
#3  0x0000564a9813190c in srv_monitor_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0srv.cc:2129
        sig_count = <optimized out>
        time_elapsed = <optimized out>
        current_time = <optimized out>
        last_table_monitor_time = 1470912123
        last_tablespace_monitor_time = 1470912123
        last_monitor_time = 1470912163
        mutex_skipped = 0
        last_srv_print_monitor = 0
#4  0x00007f5e899e76fa in start_thread (arg=0x7f5e637fd700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e637fd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043372975872, 1781787356713274214, 0, 140734990667551, 140043372976576, 94878390108041, -1871552587075073178, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 15 (Thread 0x7f5e63ffe700 (LWP 26929)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
No locals.
#1  0x0000564a980d053e in os_cond_wait_timed (abstime=0x7f5e63ffdc10, fast_mutex=0x7f5e87c4c0f0, cond=0x7f5e87c4c128)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0sync.cc:131
        mutex = 0x7f5e87c4c0f0
        ret = <optimized out>
#2  os_event_wait_time_low (event=0x7f5e87c4c0f0, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=1)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0sync.cc:450
        timed_out = 0
        abstime = {tv_sec = 1470912178, tv_nsec = 677080000}
#3  0x0000564a98131ee4 in srv_error_monitor_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0srv.cc:2405
        fatal_cnt = <optimized out>
        old_lsn = <optimized out>
        new_lsn = 1616799
        sig_count = <optimized out>
        waiter = 140043381368576
        old_waiter = <optimized out>
        sema = 0x0
        old_sema = <optimized out>
#4  0x00007f5e899e76fa in start_thread (arg=0x7f5e63ffe700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e63ffe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043381368576, 1781787356713274214, 0, 140734990667551, 140043381369280, 94878390108041, -1871551487026574490, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 14 (Thread 0x7f5e647ff700 (LWP 26928)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
No locals.
#1  0x0000564a980d053e in os_cond_wait_timed (abstime=0x7f5e647fec60, fast_mutex=0x7f5e87c4da50, cond=0x7f5e87c4da88)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0sync.cc:131
        mutex = 0x7f5e87c4da50
        ret = <optimized out>
#2  os_event_wait_time_low (event=event@entry=0x7f5e87c4da50, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=reset_sig_count@entry=1)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0sync.cc:450
        timed_out = 0
        abstime = {tv_sec = 1470912178, tv_nsec = 677022000}
#3  0x0000564a980aa075 in lock_wait_timeout_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/lock/lock0wait.cc:536
        slot = <optimized out>
        sig_count = 1
        event = <optimized out>
#4  0x00007f5e899e76fa in start_thread (arg=0x7f5e647ff700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e647ff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043389761280, 1781787356713274214, 0, 140734990667551, 140043389761984, 94878390108041, -1871554785024586906, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 13 (Thread 0x7f5e65ff6700 (LWP 26927)):
#0  0x00007f5e8adbe64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
No symbol table info available.
#1  0x0000564a980cf653 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7f5e87c78240)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5432
        i = <optimized out>
        ret = <optimized out>
        timeout = {tv_sec = 0, tv_nsec = 500000000}
        io_ctx = 0x7f5e8b54e000
        end_pos = 1024
        events = 0x7f5e87f58000
#2  os_aio_linux_handle (global_seg=global_seg@entry=9, message1=message1@entry=0x7f5e65ff5d00, message2=message2@entry=0x7f5e65ff5d08, type=type@entry=0x7f5e65ff5d10, 
    space_id=space_id@entry=0x7f5e65ff5d18) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5585
        any_reserved = <optimized out>
        segment = <optimized out>
        array = 0x7f5e87c78240
        n = <optimized out>
        i = <optimized out>
        ret = 0
#3  0x0000564a981e1a88 in fil_aio_wait (segment=segment@entry=9) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/fil/fil0fil.cc:6077
        ret = <optimized out>
        fil_node = 0x7f5e87c72668
        message = 0x7f5e6cfcf5e0
        type = 11
        space_id = 0
#4  0x0000564a98135a78 in io_handler_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0start.cc:545
        segment = 9
        tid_i = <optimized out>
#5  0x00007f5e899e76fa in start_thread (arg=0x7f5e65ff6700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e65ff6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043414890240, 1781787356713274214, 0, 140734990667551, 140043414890944, 94878390108041, -1871555880778118298, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 12 (Thread 0x7f5e667f7700 (LWP 26926)):
#0  0x00007f5e8adbe64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
No symbol table info available.
#1  0x0000564a980cf653 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7f5e87c78240)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5432
        i = <optimized out>
        ret = <optimized out>
        timeout = {tv_sec = 0, tv_nsec = 500000000}
        io_ctx = 0x7f5e8b553000
        end_pos = 768
        events = 0x7f5e87f56000
#2  os_aio_linux_handle (global_seg=global_seg@entry=8, message1=message1@entry=0x7f5e667f6d00, message2=message2@entry=0x7f5e667f6d08, type=type@entry=0x7f5e667f6d10, 
    space_id=space_id@entry=0x7f5e667f6d18) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5585
        any_reserved = <optimized out>
        segment = <optimized out>
        array = 0x7f5e87c78240
        n = <optimized out>
        i = <optimized out>
        ret = 0
#3  0x0000564a981e1a88 in fil_aio_wait (segment=segment@entry=8) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/fil/fil0fil.cc:6077
        ret = <optimized out>
        fil_node = 0x7f5e87c72668
        message = 0x7f5e6cfde040
        type = 11
        space_id = 0
#4  0x0000564a98135a78 in io_handler_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0start.cc:545
        segment = 8
        tid_i = <optimized out>
#5  0x00007f5e899e76fa in start_thread (arg=0x7f5e667f7700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e667f7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043423282944, 1781787356713274214, 0, 140734990667551, 140043423283648, 94878390108041, -1871559178776130714, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 11 (Thread 0x7f5e66ff8700 (LWP 26925)):
#0  0x00007f5e8adbe64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
No symbol table info available.
#1  0x0000564a980cf653 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7f5e87c78240)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5432
        i = <optimized out>
        ret = <optimized out>
        timeout = {tv_sec = 0, tv_nsec = 500000000}
        io_ctx = 0x7f5e8b5ec000
        end_pos = 512
        events = 0x7f5e87f54000
#2  os_aio_linux_handle (global_seg=global_seg@entry=7, message1=message1@entry=0x7f5e66ff7d00, message2=message2@entry=0x7f5e66ff7d08, type=type@entry=0x7f5e66ff7d10, 
    space_id=space_id@entry=0x7f5e66ff7d18) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5585
        any_reserved = <optimized out>
        segment = <optimized out>
        array = 0x7f5e87c78240
        n = <optimized out>
        i = <optimized out>
        ret = 0
#3  0x0000564a981e1a88 in fil_aio_wait (segment=segment@entry=7) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/fil/fil0fil.cc:6077
        ret = <optimized out>
        fil_node = 0x7f5e87c72668
        message = 0x7f5e6cfea840
        type = 11
        space_id = 0
#4  0x0000564a98135a78 in io_handler_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0start.cc:545
        segment = 7
        tid_i = <optimized out>
#5  0x00007f5e899e76fa in start_thread (arg=0x7f5e66ff8700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e66ff8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043431675648, 1781787356713274214, 0, 140734990667551, 140043431676352, 94878390108041, -1871558078727632026, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 10 (Thread 0x7f5e677f9700 (LWP 26924)):
#0  0x00007f5e8adbe64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
No symbol table info available.
#1  0x0000564a980cf653 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7f5e87c78240)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5432
        i = <optimized out>
        ret = <optimized out>
        timeout = {tv_sec = 0, tv_nsec = 500000000}
        io_ctx = 0x7f5e8b5f1000
        end_pos = 256
        events = 0x7f5e87f52000
#2  os_aio_linux_handle (global_seg=global_seg@entry=6, message1=message1@entry=0x7f5e677f8d00, message2=message2@entry=0x7f5e677f8d08, type=type@entry=0x7f5e677f8d10, 
    space_id=space_id@entry=0x7f5e677f8d18) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5585
        any_reserved = <optimized out>
        segment = <optimized out>
        array = 0x7f5e87c78240
        n = <optimized out>
        i = <optimized out>
        ret = 0
#3  0x0000564a981e1a88 in fil_aio_wait (segment=segment@entry=6) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/fil/fil0fil.cc:6077
        ret = <optimized out>
        fil_node = 0x7f5e87c72668
        message = 0x7f5e6cfbdca0
        type = 11
        space_id = 0
#4  0x0000564a98135a78 in io_handler_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0start.cc:545
        segment = 6
        tid_i = <optimized out>
#5  0x00007f5e899e76fa in start_thread (arg=0x7f5e677f9700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e677f9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043440068352, 1781787356713274214, 0, 140734990667551, 140043440069056, 94878390108041, -1871561385315579034, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 9 (Thread 0x7f5e67ffa700 (LWP 26923)):
#0  0x00007f5e8adbe64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
No symbol table info available.
#1  0x0000564a980cf653 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7f5e87c780b0)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5432
        i = <optimized out>
        ret = <optimized out>
        timeout = {tv_sec = 0, tv_nsec = 500000000}
        io_ctx = 0x7f5e8b600000
        end_pos = 1024
        events = 0x7f5e87ffc000
#2  os_aio_linux_handle (global_seg=global_seg@entry=5, message1=message1@entry=0x7f5e67ff9d00, message2=message2@entry=0x7f5e67ff9d08, type=type@entry=0x7f5e67ff9d10, 
    space_id=space_id@entry=0x7f5e67ff9d18) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5585
        any_reserved = <optimized out>
        segment = <optimized out>
        array = 0x7f5e87c780b0
        n = <optimized out>
        i = <optimized out>
        ret = 0
#3  0x0000564a981e1a88 in fil_aio_wait (segment=segment@entry=5) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/fil/fil0fil.cc:6077
        ret = <optimized out>
        fil_node = 0x0
        message = 0x0
        type = 0
        space_id = 0
#4  0x0000564a98135a78 in io_handler_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0start.cc:545
        segment = 5
        tid_i = <optimized out>
#5  0x00007f5e899e76fa in start_thread (arg=0x7f5e67ffa700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e67ffa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043448461056, 1781787356713274214, 0, 140734990667551, 140043448461760, 94878390108041, -1871560285267080346, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 8 (Thread 0x7f5e687fb700 (LWP 26922)):
#0  0x00007f5e8adbe64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
No symbol table info available.
#1  0x0000564a980cf653 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7f5e87c780b0)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5432
        i = <optimized out>
        ret = <optimized out>
        timeout = {tv_sec = 0, tv_nsec = 500000000}
        io_ctx = 0x7f5e8b605000
        end_pos = 768
        events = 0x7f5e87ffa000
#2  os_aio_linux_handle (global_seg=global_seg@entry=4, message1=message1@entry=0x7f5e687fad00, message2=message2@entry=0x7f5e687fad08, type=type@entry=0x7f5e687fad10, 
    space_id=space_id@entry=0x7f5e687fad18) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5585
        any_reserved = <optimized out>
        segment = <optimized out>
        array = 0x7f5e87c780b0
        n = <optimized out>
        i = <optimized out>
        ret = 0
#3  0x0000564a981e1a88 in fil_aio_wait (segment=segment@entry=4) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/fil/fil0fil.cc:6077
        ret = <optimized out>
        fil_node = 0x0
        message = 0x0
        type = 0
        space_id = 0
#4  0x0000564a98135a78 in io_handler_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0start.cc:545
        segment = 4
        tid_i = <optimized out>
#5  0x00007f5e899e76fa in start_thread (arg=0x7f5e687fb700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e687fb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043456853760, 1781787356713274214, 0, 140734990667551, 140043456854464, 94878390108041, -1871528398893003930, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 7 (Thread 0x7f5e68ffc700 (LWP 26921)):
#0  0x00007f5e8adbe64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
No symbol table info available.
#1  0x0000564a980cf653 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7f5e87c780b0)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5432
        i = <optimized out>
        ret = <optimized out>
        timeout = {tv_sec = 0, tv_nsec = 500000000}
        io_ctx = 0x7f5e8b60a000
        end_pos = 512
        events = 0x7f5e87ff8000
#2  os_aio_linux_handle (global_seg=global_seg@entry=3, message1=message1@entry=0x7f5e68ffbd00, message2=message2@entry=0x7f5e68ffbd08, type=type@entry=0x7f5e68ffbd10, 
    space_id=space_id@entry=0x7f5e68ffbd18) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5585
        any_reserved = <optimized out>
        segment = <optimized out>
        array = 0x7f5e87c780b0
        n = <optimized out>
        i = <optimized out>
        ret = 0
#3  0x0000564a981e1a88 in fil_aio_wait (segment=segment@entry=3) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/fil/fil0fil.cc:6077
        ret = <optimized out>
        fil_node = 0x0
        message = 0x0
        type = 0
        space_id = 0
#4  0x0000564a98135a78 in io_handler_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0start.cc:545
        segment = 3
        tid_i = <optimized out>
#5  0x00007f5e899e76fa in start_thread (arg=0x7f5e68ffc700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e68ffc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043465246464, 1781787356713274214, 0, 140734990667551, 140043465247168, 94878390108041, -1871527298844505242, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 6 (Thread 0x7f5e697fd700 (LWP 26920)):
#0  0x00007f5e8adbe64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
No symbol table info available.
#1  0x0000564a980cf653 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7f5e87c780b0)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5432
        i = <optimized out>
        ret = <optimized out>
        timeout = {tv_sec = 0, tv_nsec = 500000000}
        io_ctx = 0x7f5e8b60f000
        end_pos = 256
        events = 0x7f5e87ff6000
#2  os_aio_linux_handle (global_seg=global_seg@entry=2, message1=message1@entry=0x7f5e697fcd00, message2=message2@entry=0x7f5e697fcd08, type=type@entry=0x7f5e697fcd10, 
    space_id=space_id@entry=0x7f5e697fcd18) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5585
        any_reserved = <optimized out>
        segment = <optimized out>
        array = 0x7f5e87c780b0
        n = <optimized out>
        i = <optimized out>
        ret = 0
#3  0x0000564a981e1a88 in fil_aio_wait (segment=segment@entry=2) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/fil/fil0fil.cc:6077
        ret = <optimized out>
        fil_node = 0x0
        message = 0x0
        type = 0
        space_id = 0
#4  0x0000564a98135a78 in io_handler_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0start.cc:545
        segment = 2
        tid_i = <optimized out>
#5  0x00007f5e899e76fa in start_thread (arg=0x7f5e697fd700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e697fd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043473639168, 1781787356713274214, 0, 140734990667551, 140043473639872, 94878390108041, -1871530596842517658, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 5 (Thread 0x7f5e69ffe700 (LWP 26919)):
#0  0x00007f5e8adbe64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
No symbol table info available.
#1  0x0000564a980cf653 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7f5e87c78060)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5432
        i = <optimized out>
        ret = <optimized out>
        timeout = {tv_sec = 0, tv_nsec = 500000000}
        io_ctx = 0x7f5e8b5fb000
        end_pos = 256
        events = 0x7f5e87ffe000
#2  os_aio_linux_handle (global_seg=global_seg@entry=1, message1=message1@entry=0x7f5e69ffdd00, message2=message2@entry=0x7f5e69ffdd08, type=type@entry=0x7f5e69ffdd10, 
    space_id=space_id@entry=0x7f5e69ffdd18) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5585
        any_reserved = <optimized out>
        segment = <optimized out>
        array = 0x7f5e87c78060
        n = <optimized out>
        i = <optimized out>
        ret = 0
#3  0x0000564a981e1a88 in fil_aio_wait (segment=segment@entry=1) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/fil/fil0fil.cc:6077
        ret = <optimized out>
        fil_node = 0x7f5e87c72568
        message = 0x7f5e87c53569
        type = 11
        space_id = 0
#4  0x0000564a98135a78 in io_handler_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0start.cc:545
        segment = 1
        tid_i = <optimized out>
#5  0x00007f5e899e76fa in start_thread (arg=0x7f5e69ffe700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e69ffe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043482031872, 1781787356713274214, 0, 140734990667551, 140043482032576, 94878390108041, -1871529496794018970, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 4 (Thread 0x7f5e6a7ff700 (LWP 26918)):
#0  0x00007f5e8adbe64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
No symbol table info available.
#1  0x0000564a980cf653 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7f5e87c781f0)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5432
        i = <optimized out>
        ret = <optimized out>
        timeout = {tv_sec = 0, tv_nsec = 500000000}
        io_ctx = 0x7f5e8b5f6000
        end_pos = 256
        events = 0x7f5e87f50000
#2  os_aio_linux_handle (global_seg=global_seg@entry=0, message1=message1@entry=0x7f5e6a7fed00, message2=message2@entry=0x7f5e6a7fed08, type=type@entry=0x7f5e6a7fed10, 
    space_id=space_id@entry=0x7f5e6a7fed18) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/os/os0file.cc:5585
        any_reserved = <optimized out>
        segment = <optimized out>
        array = 0x7f5e87c781f0
        n = <optimized out>
        i = <optimized out>
        ret = 0
#3  0x0000564a981e1a88 in fil_aio_wait (segment=segment@entry=0) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/fil/fil0fil.cc:6077
        ret = <optimized out>
        fil_node = 0x0
        message = 0x0
        type = 0
        space_id = 0
#4  0x0000564a98135a78 in io_handler_thread (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/xtradb/srv/srv0start.cc:545
        segment = 0
        tid_i = <optimized out>
#5  0x00007f5e899e76fa in start_thread (arg=0x7f5e6a7ff700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e6a7ff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043490424576, 1781787356713274214, 0, 140734990667551, 140043490425280, 94878390108041, -1871532794792031386, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 3 (Thread 0x7f5e75fff700 (LWP 26917)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
No locals.
#1  0x0000564a98292d3e in inline_mysql_cond_timedwait (src_file=0x564a984689a0 "/home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/maria/ma_servicethread.c", 
    src_line=116, abstime=0x7f5e75ffec50, mutex=0x564a993ed240 <LOCK_checkpoint>, that=0x564a993ed200 <COND_checkpoint>)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/include/mysql/psi/mysql_thread.h:1186
        result = <optimized out>
#2  my_service_thread_sleep (control=control@entry=0x564a98b0ebe0 <checkpoint_control>, sleep_time=<optimized out>)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/maria/ma_servicethread.c:115
        abstime = {tv_sec = 1470912181, tv_nsec = 821518000}
        res = 0 '\000'
#3  0x0000564a9828c6d7 in ma_checkpoint_background (arg=0x1e) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/storage/maria/ma_checkpoint.c:708
        interval = 30
        sleeps = 30
        sleep_time = 30
        log_horizon_at_last_checkpoint = 4294975495
        pagecache_flushes_at_last_checkpoint = 0
        pages_bunch_size = 0
        filter_param = {up_to_lsn = 0, max_pages = 0}
        dfile = 0x0
        kfile = 0x0
#4  0x00007f5e899e76fa in start_thread (arg=0x7f5e75fff700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e75fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043683362560, 1781787356713274214, 0, 140734990682975, 140043683363264, 0, -1871591068908303514, -1871459955662959770}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 2 (Thread 0x7f5e87bff700 (LWP 26916)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
No locals.
#1  0x0000564a9834db96 in inline_mysql_cond_timedwait (that=0x564a993f6580 <COND_timer>, mutex=0x564a993f65c0 <LOCK_timer>, 
    src_file=0x564a98471f20 "/home/hartmut/projects/mariadb/releases/mariadb-10.2.1/mysys/thr_timer.c", src_line=292, abstime=0x7f5e87bfecd0)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/include/mysql/psi/mysql_thread.h:1186
        result = <optimized out>
#2  timer_handler (arg=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/mysys/thr_timer.c:292
        top_time = <optimized out>
        abstime = {tv_sec = 2147483647, tv_nsec = 0}
#3  0x00007f5e899e76fa in start_thread (arg=0x7f5e87bff700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5e87bff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140043981158144, 1781787356713274214, 0, 140734990684655, 140043981158848, 94878389801896, -1871490463594362010, 
                -1871459955662959770}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#4  0x00007f5e89092b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 1 (Thread 0x7f5e8b559900 (LWP 26915)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x0000564a97d3105b in inline_mysql_cond_wait (src_file=0x564a98383b88 "/home/hartmut/projects/mariadb/releases/mariadb-10.2.1/sql/mysqld.cc", src_line=6324, 
    mutex=0x564a98b87240 <LOCK_thread_count>, that=0x564a98b86b40 <COND_thread_count>)
    at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/include/mysql/psi/mysql_thread.h:1149
        result = <optimized out>
#2  bootstrap (file=<optimized out>) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/sql/mysqld.cc:6324
        thd = <optimized out>
        error = -512
#3  0x0000564a97d3ac37 in mysqld_main (argc=14, argv=0x7f5e87c7c4e8) at /home/hartmut/projects/mariadb/releases/mariadb-10.2.1/sql/mysqld.cc:5965
        ho_error = <optimized out>
        new_thread_stack_size = <optimized out>
#4  0x00007f5e88fac830 in __libc_start_main (main=0x564a97d1cc10 <main(int, char**)>, argc=11, argv=0x7fff6b209d38, init=<optimized out>, fini=<optimized out>, 
    rtld_fini=<optimized out>, stack_end=0x7fff6b209d28) at ../csu/libc-start.c:291
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5463114453628400794, 94878374749760, 140734990687536, 0, 0, -1782026426318501018, -1871456903574500506}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7fff6b209d98, 0x7f5e8b619168}, data = {prev = 0x0, cleanup = 0x0, canceltype = 1797299608}}}
        not_first_call = <optimized out>
#5  0x0000564a97d2e669 in _start ()
No symbol table info available.
quit
Detaching from program: /usr/local/mysql-maria-10.2.1/bin/mysqld, process 26915