Dear all,

I experience exactly the same with 6.1.0-29-amd64 and 6.1.0-30-amd64. MariaDB is just a standalone instance (mariadb Ver 15.1 Distrib 10.11.6-MariaDB). It happens on two different VMs. When I use gdb to attach to the stuck MariaDB, the stack trace shows a lot of threads waiting in __futex_abstimed_wait_common64. As soon as I detach the debugger, MariaDB continues to work.

Thank you!

On Thu, 16 Jan 2025 14:54:52 -0600 Xan Charbonnet <x...@charbonnet.com> wrote:

> Package: src:linux
> Version: 6.1.123-1
> Severity: important
> X-Debbugs-Cc: x...@charbonnet.com
>
> Dear Maintainer,
>
> One of my machines runs mariadb as an asynchronous slave of a production
> database. Every day it makes an LVM snapshot of its database partition, then > starts a secondary instance of mariadb with the snapshot as its data drive.
> It then outputs everything, piped through bzip3, to an archive file.
>
> This has worked for a long time but recently started failing: the secondary > mariadb instance will claim to still be executing a SELECT, but no data will
> ever be put into the pipe.
>
> This appears to have started after bookworm 12.9 on the evening of Sunday the > 12th. So I rolled back to kernel 6.1.119-1 from linux-image-6.1.0-28-amd64. > It worked perfectly. My other backup server which I have not yet upgraded to
> Debian 12.9 is also working perfectly.
>
> There are other weird things too which I have associated with the new kernel: > the mariadb replication on this machine will sometimes just stop. It appears
> to be writing a commit, but I have to kill -9 it.
>
> And over in production, two of the servers in a Galera cluster were upgraded. > The cluster has been unstable since then: every once in a while, one of the > members will just stop being able to do any writing and I have to kill -9 the
> mariadb process.
>
> But the issue which I can readily repeat any time is the one I first brought
> up. Here is some data from experiments I have run:
>
> 6.1.0-28-amd64 -- replication able to catch up
> Process started 2025-01-15 19:46
> Canceled by user 2025-01-15 20:52 47179030576 bytes, still being written
> (That is, this was working: still running after an hour, file still growing.)
>
> 6.1.0-29-amd64 -- replication unable to catch up
> Process started 2025-01-16 11:31
> Canceled by user 2025-01-16 11:46
> 1162798112 bytes, last write 2025-01-16 11:36
> (That is, mariadb stopped outputting any data after 5 minutes and had to be
> kill -9'd)
>
> Attempt 2 started 2025-01-16 13:02
> Canceled by user 2025-01-16 13:19
> 2149409328 bytes, last write 2025-01-16 13:10
> (This one lasted 8 minutes)
>
> Attempt 3 started 2025-01-16 13:52
> Canceled by user 2025-01-16 14:14
> 3352755856 bytes, last write 2025-01-16 14:07
> (Got 15 minutes this time)
>
> 6.1.0-30-amd64 -- unsure about replication performance
> Process started 2025-01-16 11:51
> Canceled by user 2025-01-16 12:14
> 2956803424 bytes, last write 2025-01-16 12:04
> (The issue persists in 6.1.124-1: hung after 13 minutes)

--
Max Ried
Heinrich-Heine-Universität Düsseldorf
Institut für Informatik
Systemadministration
Gebäude 25.12, Raum 01.28
Universitätsstr. 1
40225 Düsseldorf
Tel: +49 211 81 10715

Thread 39 (Thread 0x7ff2705596c0 (LWP 98731) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, 
abstime=0x7ff270558c80, op=393, expected=0, futex_word=0x55cb6ac9428c 
<thread_cache+44>) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6ac9428c 
<thread_cache+44>, expected=expected@entry=0, clockid=clockid@entry=0, 
abstime=abstime@entry=0x7ff270558c80, private=private@entry=0, 
cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6ac9428c <thread_cache+44>, 
expected=expected@entry=0, clockid=clockid@entry=0, 
abstime=abstime@entry=0x7ff270558c80, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a78bc in __pthread_cond_wait_common (abstime=0x7ff270558c80, 
clockid=0, mutex=0x55cb6ac942d0 <thread_cache+112>, cond=0x55cb6ac94260 
<thread_cache>) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x55cb6ac94260 <thread_cache>, 
mutex=0x55cb6ac942d0 <thread_cache+112>, abstime=0x7ff270558c80) at 
./nptl/pthread_cond_wait.c:643
#5  0x000055cb69d0accc in do_handle_one_connection(CONNECT*, bool) ()
#6  0x000055cb69d0af8d in handle_one_connection ()
#7  0x000055cb6a024440 in ?? ()
#8  0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#9  0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 38 (Thread 0x7ff27827c6c0 (LWP 98722) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6abe62a4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6abe62a4, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6abe62a4, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6abe1ec0, cond=0x55cb6abe6278) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6abe6278, mutex=0x55cb6abe1ec0) at 
./nptl/pthread_cond_wait.c:618
#5  0x000055cb6a1eb69f in ?? ()
#6  0x000055cb69af4fc7 in ?? ()
#7  0x000055cb6a1eb908 in ?? ()
#8  0x000055cb6a1ebcc3 in ?? ()
#9  0x000055cb69af3924 in ?? ()
#10 0x000055cb6a1b6334 in ?? ()
#11 0x000055cb6a1c8b70 in ?? ()
#12 0x000055cb6a182d64 in ?? ()
#13 0x000055cb6a0cea08 in ?? ()
#14 0x000055cb6a0ced5f in ?? ()
#15 0x000055cb69e2fc87 in handler::ha_rnd_next(unsigned char*) ()
#16 0x000055cb69b3302c in rr_sequential(READ_RECORD*) ()
#17 0x000055cb69c3a206 in sub_select(JOIN*, st_join_table*, bool) ()
#18 0x000055cb69c67c2d in JOIN::exec_inner() ()
#19 0x000055cb69c67f47 in JOIN::exec() ()
#20 0x000055cb69c65fcd in mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, 
unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, 
select_result*, st_select_lex_unit*, st_select_lex*) ()
#21 0x000055cb69c6675f in handle_select(THD*, LEX*, select_result*, unsigned 
long long) ()
#22 0x000055cb69be6080 in ?? ()
#23 0x000055cb69bf2845 in mysql_execute_command(THD*, bool) ()
#24 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#25 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#26 0x000055cb69bf7247 in do_command(THD*, bool) ()
#27 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#28 0x000055cb69d0af8d in handle_one_connection ()
#29 0x000055cb6a024440 in ?? ()
#30 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#31 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 37 (Thread 0x7ff2707fc6c0 (LWP 98571) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6abe62a4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6abe62a4, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6abe62a4, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6abe1ec0, cond=0x55cb6abe6278) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6abe6278, mutex=0x55cb6abe1ec0) at 
./nptl/pthread_cond_wait.c:618
#5  0x000055cb6a1eb69f in ?? ()
#6  0x000055cb69af4fc7 in ?? ()
#7  0x000055cb6a1eb908 in ?? ()
#8  0x000055cb6a1ebcc3 in ?? ()
#9  0x000055cb69af3924 in ?? ()
#10 0x000055cb6a1b6334 in ?? ()
#11 0x000055cb6a1c8b70 in ?? ()
#12 0x000055cb6a182d64 in ?? ()
#13 0x000055cb6a0cea08 in ?? ()
#14 0x000055cb6a0ced5f in ?? ()
#15 0x000055cb69e2fc87 in handler::ha_rnd_next(unsigned char*) ()
#16 0x000055cb69b3302c in rr_sequential(READ_RECORD*) ()
#17 0x000055cb69c3a206 in sub_select(JOIN*, st_join_table*, bool) ()
#18 0x000055cb69c67c2d in JOIN::exec_inner() ()
#19 0x000055cb69c67f47 in JOIN::exec() ()
#20 0x000055cb69c65fcd in mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, 
unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, 
select_result*, st_select_lex_unit*, st_select_lex*) ()
#21 0x000055cb69c6675f in handle_select(THD*, LEX*, select_result*, unsigned 
long long) ()
#22 0x000055cb69be6080 in ?? ()
#23 0x000055cb69bf2845 in mysql_execute_command(THD*, bool) ()
#24 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#25 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#26 0x000055cb69bf7247 in do_command(THD*, bool) ()
#27 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#28 0x000055cb69d0af8d in handle_one_connection ()
#29 0x000055cb6a024440 in ?? ()
#30 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#31 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 36 (Thread 0x7ff2782316c0 (LWP 98510) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6abe62a4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6abe62a4, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6abe62a4, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6abe1ec0, cond=0x55cb6abe6278) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6abe6278, mutex=0x55cb6abe1ec0) at 
./nptl/pthread_cond_wait.c:618
#5  0x000055cb6a1eb69f in ?? ()
#6  0x000055cb69af4fc7 in ?? ()
#7  0x000055cb6a1eb908 in ?? ()
#8  0x000055cb6a1ebcc3 in ?? ()
#9  0x000055cb69af3924 in ?? ()
#10 0x000055cb6a1b6334 in ?? ()
#11 0x000055cb6a1c8b70 in ?? ()
#12 0x000055cb6a182d64 in ?? ()
#13 0x000055cb6a0cea08 in ?? ()
#14 0x000055cb6a0ced5f in ?? ()
#15 0x000055cb69e2fc87 in handler::ha_rnd_next(unsigned char*) ()
#16 0x000055cb69b3302c in rr_sequential(READ_RECORD*) ()
#17 0x000055cb69c3a206 in sub_select(JOIN*, st_join_table*, bool) ()
#18 0x000055cb69c67c2d in JOIN::exec_inner() ()
#19 0x000055cb69c67f47 in JOIN::exec() ()
#20 0x000055cb69c65fcd in mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, 
unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, 
select_result*, st_select_lex_unit*, st_select_lex*) ()
#21 0x000055cb69c6675f in handle_select(THD*, LEX*, select_result*, unsigned 
long long) ()
#22 0x000055cb69be6080 in ?? ()
#23 0x000055cb69bf2845 in mysql_execute_command(THD*, bool) ()
#24 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#25 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#26 0x000055cb69bf7247 in do_command(THD*, bool) ()
#27 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#28 0x000055cb69d0af8d in handle_one_connection ()
#29 0x000055cb6a024440 in ?? ()
#30 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#31 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 35 (Thread 0x7ff278bf46c0 (LWP 98187) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, 
abstime=0x7ff278bf3c30, op=137, expected=0, futex_word=0x55cb80c5073c) at 
./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb80c5073c, 
expected=expected@entry=0, clockid=clockid@entry=1, 
abstime=abstime@entry=0x7ff278bf3c30, private=private@entry=0, 
cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb80c5073c, expected=expected@entry=0, 
clockid=clockid@entry=1, abstime=abstime@entry=0x7ff278bf3c30, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007ff29b4a7baf in __pthread_cond_wait_common (abstime=<optimized out>, 
clockid=1, mutex=0x55cb80c504f0, cond=0x55cb80c50710) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_clockwait64 (abstime=<optimized out>, clockid=1, 
mutex=0x55cb80c504f0, cond=0x55cb80c50710) at ./nptl/pthread_cond_wait.c:682
#5  ___pthread_cond_clockwait64 (cond=0x55cb80c50710, mutex=0x55cb80c504f0, 
clockid=1, abstime=<optimized out>) at ./nptl/pthread_cond_wait.c:670
#6  0x000055cb6a25b6c1 in 
tpool::thread_pool_generic::wait_for_tasks(std::unique_lock<std::mutex>&, 
tpool::worker_data*) ()
#7  0x000055cb6a25bf2f in 
tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**) ()
#8  0x000055cb6a25c095 in 
tpool::thread_pool_generic::worker_main(tpool::worker_data*) ()
#9  0x00007ff29b6d44a3 in ?? () from target:/lib/x86_64-linux-gnu/libstdc++.so.6
#10 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#11 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 34 (Thread 0x7ff2703e26c0 (LWP 97257) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6abe62a4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6abe62a4, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6abe62a4, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6abe1ec0, cond=0x55cb6abe6278) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6abe6278, mutex=0x55cb6abe1ec0) at 
./nptl/pthread_cond_wait.c:618
#5  0x000055cb6a1eb69f in ?? ()
#6  0x000055cb69af4fc7 in ?? ()
#7  0x000055cb6a1eb908 in ?? ()
#8  0x000055cb6a1ebcc3 in ?? ()
#9  0x000055cb69af3924 in ?? ()
#10 0x000055cb6a1c750b in ?? ()
#11 0x000055cb6a182922 in ?? ()
#12 0x000055cb6a0cea08 in ?? ()
#13 0x000055cb69e309b8 in handler::ha_index_read_map(unsigned char*, unsigned 
char const*, unsigned long, ha_rkey_function) ()
#14 0x000055cb69c4f5ab in ?? ()
#15 0x000055cb69c3a206 in sub_select(JOIN*, st_join_table*, bool) ()
#16 0x000055cb69c28599 in ?? ()
#17 0x000055cb69c3a21b in sub_select(JOIN*, st_join_table*, bool) ()
#18 0x000055cb69c67c2d in JOIN::exec_inner() ()
#19 0x000055cb69c67f47 in JOIN::exec() ()
#20 0x000055cb69c65fcd in mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, 
unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, 
select_result*, st_select_lex_unit*, st_select_lex*) ()
#21 0x000055cb69c6675f in handle_select(THD*, LEX*, select_result*, unsigned 
long long) ()
#22 0x000055cb69be6080 in ?? ()
#23 0x000055cb69bf2845 in mysql_execute_command(THD*, bool) ()
#24 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#25 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#26 0x000055cb69bf7247 in do_command(THD*, bool) ()
#27 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#28 0x000055cb69d0af8d in handle_one_connection ()
#29 0x000055cb6a024440 in ?? ()
#30 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#31 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 33 (Thread 0x7ff2797ff6c0 (LWP 95476) "iou-wrk-875"):
#0  0x0000000000000000 in ?? ()
Backtrace stopped: Cannot access memory at address 0x0

Thread 32 (Thread 0x7ff270ffd6c0 (LWP 94558) "mariadbd"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x000055cb6a195bb8 in ?? ()
#2  0x000055cb6a195d42 in ?? ()
#3  0x000055cb6a1a8243 in ?? ()
#4  0x000055cb6a193e35 in ?? ()
#5  0x000055cb6a193b11 in ?? ()
#6  0x000055cb6a25dc84 in tpool::task_group::execute(tpool::task*) ()
#7  0x000055cb6a25c087 in 
tpool::thread_pool_generic::worker_main(tpool::worker_data*) ()
#8  0x00007ff29b6d44a3 in ?? () from target:/lib/x86_64-linux-gnu/libstdc++.so.6
#9  0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#10 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 31 (Thread 0x7ff2783126c0 (LWP 53010) "iou-wrk-1348"):
#0  0x0000000000000000 in ?? ()
Backtrace stopped: Cannot access memory at address 0x0

Thread 30 (Thread 0x7ff2781e66c0 (LWP 29207) "iou-wrk-1352"):
#0  0x0000000000000000 in ?? ()
Backtrace stopped: Cannot access memory at address 0x0

Thread 29 (Thread 0x7ff2701d56c0 (LWP 8135) "mariadbd"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x000055cb6a195bb8 in ?? ()
#2  0x000055cb6a195d42 in ?? ()
#3  0x000055cb69af42fd in ?? ()
#4  0x000055cb6a1c750b in ?? ()
#5  0x000055cb6a182922 in ?? ()
#6  0x000055cb6a0cea08 in ?? ()
#7  0x000055cb69e309b8 in handler::ha_index_read_map(unsigned char*, unsigned 
char const*, unsigned long, ha_rkey_function) ()
#8  0x000055cb69e35f31 in handler::read_range_first(st_key_range const*, 
st_key_range const*, bool, bool) ()
#9  0x000055cb69d3b0a0 in handler::multi_range_read_next(void**) ()
#10 0x000055cb69d3b110 in Mrr_simple_index_reader::get_next(void**) ()
#11 0x000055cb69d3c5b4 in DsMrr_impl::dsmrr_next(void**) ()
#12 0x000055cb69b091b3 in QUICK_RANGE_SELECT::get_next() ()
#13 0x000055cb69b32fe9 in ?? ()
#14 0x000055cb69cc68f5 in mysql_update(THD*, TABLE_LIST*, List<Item>&, 
List<Item>&, Item*, unsigned int, st_order*, unsigned long long, bool, unsigned 
long long*, unsigned long long*) ()
#15 0x000055cb69bf0709 in mysql_execute_command(THD*, bool) ()
#16 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#17 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#18 0x000055cb69bf7247 in do_command(THD*, bool) ()
#19 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#20 0x000055cb69d0af8d in handle_one_connection ()
#21 0x000055cb6a024440 in ?? ()
#22 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#23 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 28 (Thread 0x7ff27026b6c0 (LWP 4748) "mariadbd"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x000055cb6a195bb8 in ?? ()
#2  0x000055cb6a195d42 in ?? ()
#3  0x000055cb69af42fd in ?? ()
#4  0x000055cb6a1b6334 in ?? ()
#5  0x000055cb6a1c8b70 in ?? ()
#6  0x000055cb6a182d64 in ?? ()
#7  0x000055cb6a0cea08 in ?? ()
#8  0x000055cb6a0ced5f in ?? ()
#9  0x000055cb69e2fc87 in handler::ha_rnd_next(unsigned char*) ()
#10 0x000055cb69b3302c in rr_sequential(READ_RECORD*) ()
#11 0x000055cb69c3a206 in sub_select(JOIN*, st_join_table*, bool) ()
#12 0x000055cb69c67c2d in JOIN::exec_inner() ()
#13 0x000055cb69c67f47 in JOIN::exec() ()
#14 0x000055cb69c65fcd in mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, 
unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, 
select_result*, st_select_lex_unit*, st_select_lex*) ()
#15 0x000055cb69c6675f in handle_select(THD*, LEX*, select_result*, unsigned 
long long) ()
#16 0x000055cb69be6080 in ?? ()
#17 0x000055cb69bf2845 in mysql_execute_command(THD*, bool) ()
#18 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#19 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#20 0x000055cb69bf7247 in do_command(THD*, bool) ()
#21 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#22 0x000055cb69d0af8d in handle_one_connection ()
#23 0x000055cb6a024440 in ?? ()
#24 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#25 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 27 (Thread 0x7ff27034c6c0 (LWP 1441) "mariadbd"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x000055cb6a195bb8 in ?? ()
#2  0x000055cb6a195d42 in ?? ()
#3  0x000055cb69af42fd in ?? ()
#4  0x000055cb6a1c750b in ?? ()
#5  0x000055cb6a182922 in ?? ()
#6  0x000055cb6a0cea08 in ?? ()
#7  0x000055cb69e309b8 in handler::ha_index_read_map(unsigned char*, unsigned 
char const*, unsigned long, ha_rkey_function) ()
#8  0x000055cb69e35f31 in handler::read_range_first(st_key_range const*, 
st_key_range const*, bool, bool) ()
#9  0x000055cb69d3b0a0 in handler::multi_range_read_next(void**) ()
#10 0x000055cb69d3b110 in Mrr_simple_index_reader::get_next(void**) ()
#11 0x000055cb69d3c5b4 in DsMrr_impl::dsmrr_next(void**) ()
#12 0x000055cb69b091b3 in QUICK_RANGE_SELECT::get_next() ()
#13 0x000055cb69b32fe9 in ?? ()
#14 0x000055cb69cc68f5 in mysql_update(THD*, TABLE_LIST*, List<Item>&, 
List<Item>&, Item*, unsigned int, st_order*, unsigned long long, bool, unsigned 
long long*, unsigned long long*) ()
#15 0x000055cb69bf0709 in mysql_execute_command(THD*, bool) ()
#16 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#17 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#18 0x000055cb69bf7247 in do_command(THD*, bool) ()
#19 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#20 0x000055cb69d0af8d in handle_one_connection ()
#21 0x000055cb6a024440 in ?? ()
#22 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#23 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 26 (Thread 0x7ff2703976c0 (LWP 1437) "mariadbd"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x000055cb6a195b08 in ?? ()
#2  0x000055cb6a122769 in ?? ()
#3  0x000055cb6a22322a in ?? ()
#4  0x000055cb6a1b02a7 in ?? ()
#5  0x000055cb6a1b175c in ?? ()
#6  0x000055cb6a1b2e34 in ?? ()
#7  0x000055cb6a1a0e7c in ?? ()
#8  0x000055cb6a1ce74f in ?? ()
#9  0x000055cb6a1883d4 in ?? ()
#10 0x000055cb6a18b10b in ?? ()
#11 0x000055cb6a18cb30 in ?? ()
#12 0x000055cb6a16c7d1 in ?? ()
#13 0x000055cb6a0c9aba in ?? ()
#14 0x000055cb69e380d2 in handler::ha_update_row(unsigned char const*, unsigned 
char const*) ()
#15 0x000055cb69cc7bd6 in mysql_update(THD*, TABLE_LIST*, List<Item>&, 
List<Item>&, Item*, unsigned int, st_order*, unsigned long long, bool, unsigned 
long long*, unsigned long long*) ()
#16 0x000055cb69bf0709 in mysql_execute_command(THD*, bool) ()
#17 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#18 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#19 0x000055cb69bf7247 in do_command(THD*, bool) ()
#20 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#21 0x000055cb69d0af8d in handle_one_connection ()
#22 0x000055cb6a024440 in ?? ()
#23 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#24 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 25 (Thread 0x7ff27042d6c0 (LWP 1435) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6abe62a4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6abe62a4, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6abe62a4, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6abe1ec0, cond=0x55cb6abe6278) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6abe6278, mutex=0x55cb6abe1ec0) at 
./nptl/pthread_cond_wait.c:618
#5  0x000055cb6a1eb69f in ?? ()
#6  0x000055cb69af4fc7 in ?? ()
#7  0x000055cb6a1eb908 in ?? ()
#8  0x000055cb6a1ebcc3 in ?? ()
#9  0x000055cb69af3924 in ?? ()
#10 0x000055cb6a1b6334 in ?? ()
#11 0x000055cb6a1c8b70 in ?? ()
#12 0x000055cb6a182d64 in ?? ()
#13 0x000055cb6a0cea08 in ?? ()
#14 0x000055cb6a0ced5f in ?? ()
#15 0x000055cb69e2fc87 in handler::ha_rnd_next(unsigned char*) ()
#16 0x000055cb69b3302c in rr_sequential(READ_RECORD*) ()
#17 0x000055cb69c3a206 in sub_select(JOIN*, st_join_table*, bool) ()
#18 0x000055cb69c67c2d in JOIN::exec_inner() ()
#19 0x000055cb69c67f47 in JOIN::exec() ()
#20 0x000055cb69c65fcd in mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, 
unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, 
select_result*, st_select_lex_unit*, st_select_lex*) ()
#21 0x000055cb69c6675f in handle_select(THD*, LEX*, select_result*, unsigned 
long long) ()
#22 0x000055cb69be6080 in ?? ()
#23 0x000055cb69bf2845 in mysql_execute_command(THD*, bool) ()
#24 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#25 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#26 0x000055cb69bf7247 in do_command(THD*, bool) ()
#27 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#28 0x000055cb69d0af8d in handle_one_connection ()
#29 0x000055cb6a024440 in ?? ()
#30 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#31 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 24 (Thread 0x7ff2704786c0 (LWP 1426) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6abe62a4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6abe62a4, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6abe62a4, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in__pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6abe1ec0, cond=0x55cb6abe6278) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6abe6278, mutex=0x55cb6abe1ec0) at 
./nptl/pthread_cond_wait.c:618
#5  0x000055cb6a1eb69f in ?? ()
#6  0x000055cb69af4fc7 in ?? ()
#7  0x000055cb6a1eb908 in ?? ()
#8  0x000055cb6a1ebcc3 in ?? ()
#9  0x000055cb69af3924 in ?? ()
#10 0x000055cb6a1c750b in ?? ()
#11 0x000055cb6a15747c in ?? ()
#12 0x000055cb6a15c1ba in ?? ()
#13 0x000055cb6a15c99e in ?? ()
#14 0x000055cb6a16ccc5 in ?? ()
#15 0x000055cb6a0ce39d in ?? ()
#16 0x000055cb69e37c7f in handler::ha_write_row(unsigned char const*) ()
#17 0x000055cb69bb73ad in write_record(THD*, TABLE*, st_copy_info*, 
select_result*) ()
#18 0x000055cb69bbed28 in mysql_insert(THD*, TABLE_LIST*, List<Item>&, 
List<List<Item> >&, List<Item>&, List<Item>&, enum_duplicates, bool, 
select_result*) ()
#19 0x000055cb69beff3b in mysql_execute_command(THD*, bool) ()
#20 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#21 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#22 0x000055cb69bf7247 in do_command(THD*, bool) ()
#23 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#24 0x000055cb69d0af8d in handle_one_connection ()
#25 0x000055cb6a024440 in ?? ()
#26 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#27 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 23 (Thread 0x7ff2704c36c0 (LWP 1425) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6abe62a4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6abe62a4, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6abe62a4, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6abe1ec0, co-nd=0x55cb6abe6278) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6abe6278, mutex=0x55cb6abe1ec0) at 
./nptl/pthread_cond_wait.c:618
#5  0x000055cb6a1eb69f in ?? ()
#6  0x000055cb69af4fc7 in ?? ()
#7  0x000055cb6a1eb908 in ?? ()
#8  0x000055cb6a1ebcc3 in ?? ()
#9  0x000055cb69af3924 in ?? ()
#10 0x000055cb6a1c750b in ?? ()
#11 0x000055cb6a15747c in ?? ()
#12 0x000055cb6a15c1ba in ?? ()
#13 0x000055cb6a15c99e in ?? ()
#14 0x000055cb6a16ccc5 in ?? ()
#15 0x000055cb6a0ce39d in ?? ()
#16 0x000055cb69e37c7f in handler::ha_write_row(unsigned char const*) ()
#17 0x000055cb69bb73ad in write_record(THD*, TABLE*, st_copy_info*, 
select_result*) ()
#18 0x000055cb69bbed28 in mysql_insert(THD*, TABLE_LIST*, List<Item>&, 
List<List<Item> >&, List<Item>&, List<Item>&, enum_duplicates, bool, 
select_result*) ()
#19 0x000055cb69beff3b in mysql_execute_command(THD*, bool) ()
#20 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#21 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#22 0x000055cb69bf7247 in do_command(THD*, bool) ()
#23 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#24 0x000055cb69d0af8d in handle_one_connection ()
#25 0x000055cb6a024440 in ?? ()
#26 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#27 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 22 (Thread 0x7ff27050e6c0 (LWP 1424) "mariadbd"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x000055cb6a195b08 in ?? ()
#2  0x000055cb6a122769 in ?? ()
#3  0x000055cb6a22322a in ?? ()
#4  0x000055cb6a1b02a7 in ?? ()
#5  0x000055cb6a1b175c in ?? ()
#6  0x000055cb6a1b2e34 in ?? ()
#7  0x000055cb6a1a0e7c in ?? ()
#8  0x000055cb6a1ce74f in ?? ()
#9  0x000055cb6a1883d4 in ?? ()
#10 0x000055cb6a18b10b in ?? ()
#11 0x000055cb6a18cb30 in ?? ()
#12 0x000055cb6a16c7d1 in ?? ()
#13 0x000055cb6a0c9aba in ?? ()
#14 0x000055cb69e380d2 in handler::ha_update_row(unsigned char const*, unsigned 
char const*) ()
#15 0x000055cb69cc7bd6 in mysql_update(THD*, TABLE_LIST*, List<Item>&, 
List<Item>&, Item*, unsigned int, st_order*, unsigned long long, bool, unsigned 
long long*, unsigned long long*) ()
#16 0x000055cb69bf0709 in mysql_execute_command(THD*, bool) ()
#17 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#18 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#19 0x000055cb69bf7247 in do_command(THD*, bool) ()
#20 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#21 0x000055cb69d0af8d in handle_one_connection ()
#22 0x000055cb6a024440 in ?? ()
#23 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#24 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 21 (Thread 0x7ff2705a46c0 (LWP 1421) "mariadbd"):
#0  0x00007ff29b51b1df in __GI___poll (fds=0x7ff2705a38e8, nfds=1, 
timeout=28800000) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x000055cb69f9246b in vio_io_wait ()
#2  0x000055cb69f92530 in vio_socket_io_wait ()
#3  0x000055cb69f925d3 in vio_read ()
#4  0x000055cb69f5e70f in ?? ()
#5  0x000055cb69f5f820 in my_net_read_packet_reallen ()
#6  0x000055cb69f5f91d in my_net_read_packet ()
#7  0x000055cb69bf71a5 in do_command(THD*, bool) ()
#8  0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#9  0x000055cb69d0af8d in handle_one_connection ()
#10 0x000055cb6a024440 in ?? ()
#11 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#12 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 20 (Thread 0x7ff27063a6c0 (LWP 1417) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6abe62a4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6abe62a4, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6abe62a4, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6abe1ec0, cond=0x55cb6abe6278) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6abe6278, mutex=0x55cb6abe1ec0) at 
./nptl/pthread_cond_wait.c:618
#5  0x000055cb6a1eb69f in ?? ()
#6  0x000055cb69af4fc7 in ?? ()
#7  0x000055cb6a1eb908 in ?? ()
#8  0x000055cb6a1ebcc3 in ?? ()
#9  0x000055cb69af3924 in ?? ()
#10 0x000055cb6a1b6334 in ?? ()
#11 0x000055cb6a1caf06 in ?? ()
#12 0x000055cb6a0c0102 in ?? ()
#13 0x000055cb69d3a826 in handler::multi_range_read_info_const(unsigned int, 
st_range_seq_if*, void*, unsigned int, unsigned int*, unsigned int*, 
Cost_estimate*) ()
#14 0x000055cb69d3d1bf in DsMrr_impl::dsmrr_info_const(unsigned int, 
st_range_seq_if*, void*, unsigned int, unsigned int*, unsigned int*, 
Cost_estimate*) ()
#15 0x000055cb69b1c629 in ?? ()
#16 0x000055cb69b1fe07 in SQL_SELECT::test_quick_select(THD*, Bitmap<64u>, 
unsigned long long, unsigned long long, bool, bool, bool, bool, bool) ()
#17 0x000055cb69bab265 in mysql_delete(THD*, TABLE_LIST*, Item*, 
SQL_I_List<st_order>*, unsigned long long, unsigned long long, select_result*) 
()
#18 0x000055cb69bf0dff in mysql_execute_command(THD*, bool) ()
#19 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#20 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#21 0x000055cb69bf7247 in do_command(THD*, bool) ()
#22 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#23 0x000055cb69d0af8d in handle_one_connection ()
#24 0x000055cb6a024440 in ?? ()
#25 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#26 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 19 (Thread 0x7ff2706856c0 (LWP 1416) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6abe62a4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6abe62a4, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6abe62a4, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6abe1ec0, cond=0x55cb6abe6278) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6abe6278, mutex=0x55cb6abe1ec0) at 
./nptl/pthread_cond_wait.c:618
#5  0x000055cb6a1eb69f in ?? ()
#6  0x000055cb69af4fc7 in ?? ()
#7  0x000055cb6a1eb908 in ?? ()
#8  0x000055cb6a1ebcc3 in ?? ()
#9  0x000055cb69af3924 in ?? ()
#10 0x000055cb6a1c750b in ?? ()
#11 0x000055cb6a182922 in ?? ()
#12 0x000055cb6a0cea08 in ?? ()
#13 0x000055cb69e309b8 in handler::ha_index_read_map(unsigned char*, unsigned 
char const*, unsigned long, ha_rkey_function) ()
#14 0x000055cb69e35f31 in handler::read_range_first(st_key_range const*, 
st_key_range const*, bool, bool) ()
#15 0x000055cb69d3b0a0 in handler::multi_range_read_next(void**) ()
#16 0x000055cb69d3b110 in Mrr_simple_index_reader::get_next(void**) ()
#17 0x000055cb69d3c5b4 in DsMrr_impl::dsmrr_next(void**) ()
#18 0x000055cb69b091b3 in QUICK_RANGE_SELECT::get_next() ()
#19 0x000055cb69b32fe9 in ?? ()
#20 0x000055cb69c3a261 in sub_select(JOIN*, st_join_table*, bool) ()
#21 0x000055cb69c67c2d in JOIN::exec_inner() ()
#22 0x000055cb69c67f47 in JOIN::exec() ()
#23 0x000055cb69c65fcd in mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, 
unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, 
select_result*, st_select_lex_unit*, st_select_lex*) ()
#24 0x000055cb69c6675f in handle_select(THD*, LEX*, select_result*, unsigned 
long long) ()
#25 0x000055cb69be6080 in ?? ()
#26 0x000055cb69bf2845 in mysql_execute_command(THD*, bool) ()
#27 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#28 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#29 0x000055cb69bf7247 in do_command(THD*, bool) ()
#30 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#31 0x000055cb69d0af8d in handle_one_connection ()
#32 0x000055cb6a024440 in ?? ()
#33 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#34 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 18 (Thread 0x7ff2706d06c0 (LWP 1412) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6abe62a4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6abe62a4, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6abe62a4, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6abe1ec0, cond=0x55cb6abe6278) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6abe6278, mutex=0x55cb6abe1ec0) at 
./nptl/pthread_cond_wait.c:618
#5  0x000055cb6a1eb69f in ?? ()
#6  0x000055cb69af4fc7 in ?? ()
#7  0x000055cb6a1eb908 in ?? ()
#8  0x000055cb6a1ebcc3 in ?? ()
#9  0x000055cb69af3924 in ?? ()
#10 0x000055cb6a1c750b in ?? ()
#11 0x000055cb6a18111e in ?? ()
#12 0x000055cb6a18400f in ?? ()
#13 0x000055cb6a0cea08 in ?? ()
#14 0x000055cb69e309b8 in handler::ha_index_read_map(unsigned char*, unsigned 
char const*, unsigned long, ha_rkey_function) ()
#15 0x000055cb69c4f5ab in ?? ()
#16 0x000055cb69c3a206 in sub_select(JOIN*, st_join_table*, bool) ()
#17 0x000055cb69c67c2d in JOIN::exec_inner() ()
#18 0x000055cb69c67f47 in JOIN::exec() ()
#19 0x000055cb69c65fcd in mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, 
unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, 
select_result*, st_select_lex_unit*, st_select_lex*) ()
#20 0x000055cb69c6675f in handle_select(THD*, LEX*, select_result*, unsigned 
long long) ()
#21 0x000055cb69be6080 in ?? ()
#22 0x000055cb69bf2845 in mysql_execute_command(THD*, bool) ()
#23 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#24 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#25 0x000055cb69bf7247 in do_command(THD*, bool) ()
#26 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#27 0x000055cb69d0af8d in handle_one_connection ()
#28 0x000055cb6a024440 in ?? ()
#29 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#30 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 17 (Thread 0x7ff27071b6c0 (LWP 1401) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6abe62a4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6abe62a4, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6abe62a4, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6abe1ec0, cond=0x55cb6abe6278) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6abe6278, mutex=0x55cb6abe1ec0) at 
./nptl/pthread_cond_wait.c:618
#5  0x000055cb6a1eb69f in ?? ()
#6  0x000055cb69af4fc7 in ?? ()
#7  0x000055cb6a1eb908 in ?? ()
#8  0x000055cb6a1ebcc3 in ?? ()
#9  0x000055cb69af3924 in ?? ()
#10 0x000055cb6a1c750b in ?? ()
#11 0x000055cb6a15747c in ?? ()
#12 0x000055cb6a15c1ba in ?? ()
#13 0x000055cb6a15c99e in ?? ()
#14 0x000055cb6a16ccc5 in ?? ()
#15 0x000055cb6a0ce39d in ?? ()
#16 0x000055cb69e37c7f in handler::ha_write_row(unsigned char const*) ()
#17 0x000055cb69bb73ad in write_record(THD*, TABLE*, st_copy_info*, 
select_result*) ()
#18 0x000055cb69bbed28 in mysql_insert(THD*, TABLE_LIST*, List<Item>&, 
List<List<Item> >&, List<Item>&, List<Item>&, enum_duplicates, bool, 
select_result*) ()
#19 0x000055cb69beff3b in mysql_execute_command(THD*, bool) ()
#20 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#21 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#22 0x000055cb69bf7247 in do_command(THD*, bool) ()
#23 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#24 0x000055cb69d0af8d in handle_one_connection ()
#25 0x000055cb6a024440 in ?? ()
#26 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#27 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 16 (Thread 0x7ff2707666c0 (LWP 1400) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6abe62a4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6abe62a4, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6abe62a4, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6abe1ec0, cond=0x55cb6abe6278) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6abe6278, mutex=0x55cb6abe1ec0) at 
./nptl/pthread_cond_wait.c:618
#5  0x000055cb6a1eb69f in ?? ()
#6  0x000055cb6a2217d7 in ?? ()
#7  0x000055cb6a225001 in ?? ()
#8  0x000055cb6a2261a0 in ?? ()
#9  0x000055cb6a1b02cd in ?? ()
#10 0x000055cb6a1b175c in ?? ()
#11 0x000055cb6a1b2e34 in ?? ()
#12 0x000055cb6a1a0e7c in ?? ()
#13 0x000055cb6a1ce74f in ?? ()
#14 0x000055cb6a1883d4 in ?? ()
#15 0x000055cb6a18b10b in ?? ()
#16 0x000055cb6a18cb30 in ?? ()
#17 0x000055cb6a16c7d1 in ?? ()
#18 0x000055cb6a0c9aba in ?? ()
#19 0x000055cb69e380d2 in handler::ha_update_row(unsigned char const*, unsigned 
char const*) ()
#20 0x000055cb69cc7bd6 in mysql_update(THD*, TABLE_LIST*, List<Item>&, 
List<Item>&, Item*, unsigned int, st_order*, unsigned long long, bool, unsigned 
long long*, unsigned long long*) ()
#21 0x000055cb69bf0709 in mysql_execute_command(THD*, bool) ()
#22 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#23 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#24 0x000055cb69bf7247 in do_command(THD*, bool) ()
#25 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#26 0x000055cb69d0af8d in handle_one_connection ()
#27 0x000055cb6a024440 in ?? ()
#28 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#29 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 15 (Thread 0x7ff27806f6c0 (LWP 1372) "mariadbd"):
#0  0x00007ff29b51b1df in __GI___poll (fds=0x7ff27806e8e8, nfds=1, 
timeout=28800000) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x000055cb69f9246b in vio_io_wait ()
#2  0x000055cb69f92530 in vio_socket_io_wait ()
#3  0x000055cb69f925d3 in vio_read ()
#4  0x000055cb69f5e70f in ?? ()
#5  0x000055cb69f5f820 in my_net_read_packet_reallen ()
#6  0x000055cb69f5f91d in my_net_read_packet ()
#7  0x000055cb69bf71a5 in do_command(THD*, bool) ()
#8  0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#9  0x000055cb69d0af8d in handle_one_connection ()
#10 0x000055cb6a024440 in ?? ()
#11 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#12 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 14 (Thread 0x7ff2781506c0 (LWP 1361) "mariadbd"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x000055cb6a195bb8 in ?? ()
#2  0x000055cb6a195d42 in ?? ()
#3  0x000055cb69af42fd in ?? ()
#4  0x000055cb6a1c750b in ?? ()
#5  0x000055cb6a182922 in ?? ()
#6  0x000055cb6a0cea08 in ?? ()
#7  0x000055cb69e309b8 in handler::ha_index_read_map(unsigned char*, unsigned 
char const*, unsigned long, ha_rkey_function) ()
#8  0x000055cb69e35f31 in handler::read_range_first(st_key_range const*, 
st_key_range const*, bool, bool) ()
#9  0x000055cb69d3b0a0 in handler::multi_range_read_next(void**) ()
#10 0x000055cb69d3b110 in Mrr_simple_index_reader::get_next(void**) ()
#11 0x000055cb69d3c5b4 in DsMrr_impl::dsmrr_next(void**) ()
#12 0x000055cb69b091b3 in QUICK_RANGE_SELECT::get_next() ()
#13 0x000055cb69b32fe9 in ?? ()
#14 0x000055cb69cc68f5 in mysql_update(THD*, TABLE_LIST*, List<Item>&, 
List<Item>&, Item*, unsigned int, st_order*, unsigned long long, bool, unsigned 
long long*, unsigned long long*) ()
#15 0x000055cb69bf0709 in mysql_execute_command(THD*, bool) ()
#16 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#17 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#18 0x000055cb69bf7247 in do_command(THD*, bool) ()
#19 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#20 0x000055cb69d0af8d in handle_one_connection ()
#21 0x000055cb6a024440 in ?? ()
#22 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#23 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 13 (Thread 0x7ff2781e66c0 (LWP 1352) "mariadbd"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x000055cb6a195b08 in ?? ()
#2  0x000055cb6a122769 in ?? ()
#3  0x000055cb6a22322a in ?? ()
#4  0x000055cb6a1b02a7 in ?? ()
#5  0x000055cb6a1b175c in ?? ()
#6  0x000055cb6a1b2e34 in ?? ()
#7  0x000055cb6a1a0e7c in ?? ()
#8  0x000055cb6a1ce74f in ?? ()
#9  0x000055cb6a1883d4 in ?? ()
#10 0x000055cb6a18b58d in ?? ()
#11 0x000055cb6a18cb30 in ?? ()
#12 0x000055cb6a16c7d1 in ?? ()
#13 0x000055cb6a0c9aba in ?? ()
#14 0x000055cb69e380d2 in handler::ha_update_row(unsigned char const*, unsigned 
char const*) ()
#15 0x000055cb69cc7bd6 in mysql_update(THD*, TABLE_LIST*, List<Item>&, 
List<Item>&, Item*, unsigned int, st_order*, unsigned long long, bool, unsigned 
long long*, unsigned long long*) ()
#16 0x000055cb69bf0709 in mysql_execute_command(THD*, bool) ()
#17 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#18 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#19 0x000055cb69bf7247 in do_command(THD*, bool) ()
#20 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#21 0x000055cb69d0af8d in handle_one_connection ()
#22 0x000055cb6a024440 in ?? ()
#23 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#24 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 12 (Thread 0x7ff2782c76c0 (LWP 1349) "mariadbd"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x000055cb6a195bb8 in ?? ()
#2  0x000055cb6a1b2e8d in ?? ()
#3  0x000055cb6a1a0e7c in ?? ()
#4  0x000055cb6a1cef39 in ?? ()
#5  0x000055cb6a1883d4 in ?? ()
#6  0x000055cb6a18b58d in ?? ()
#7  0x000055cb6a18cb30 in ?? ()
#8  0x000055cb6a16c7d1 in ?? ()
#9  0x000055cb6a0c9aba in ?? ()
#10 0x000055cb69e380d2 in handler::ha_update_row(unsigned char const*, unsigned 
char const*) ()
#11 0x000055cb69cc7bd6 in mysql_update(THD*, TABLE_LIST*, List<Item>&, 
List<Item>&, Item*, unsigned int, st_order*, unsigned long long, bool, unsigned 
long long*, unsigned long long*) ()
#12 0x000055cb69bf0709 in mysql_execute_command(THD*, bool) ()
#13 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#14 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#15 0x000055cb69bf7247 in do_command(THD*, bool) ()
#16 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#17 0x000055cb69d0af8d in handle_one_connection ()
#18 0x000055cb6a024440 in ?? ()
#19 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#20 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 11 (Thread 0x7ff2783126c0 (LWP 1348) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6abe62a4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6abe62a4, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6abe62a4, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6abe1ec0, cond=0x55cb6abe6278) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6abe6278, mutex=0x55cb6abe1ec0) at 
./nptl/pthread_cond_wait.c:618
#5  0x000055cb6a1eb69f in ?? ()
#6  0x000055cb69af4fc7 in ?? ()
#7  0x000055cb6a1eb908 in ?? ()
#8  0x000055cb6a1ebcc3 in ?? ()
#9  0x000055cb69af3924 in ?? ()
#10 0x000055cb6a1c750b in ?? ()
#11 0x000055cb6a15747c in ?? ()
#12 0x000055cb6a15c1ba in ?? ()
#13 0x000055cb6a15c99e in ?? ()
#14 0x000055cb6a16ccc5 in ?? ()
#15 0x000055cb6a0ce39d in ?? ()
#16 0x000055cb69e37c7f in handler::ha_write_row(unsigned char const*) ()
#17 0x000055cb69bb73ad in write_record(THD*, TABLE*, st_copy_info*, 
select_result*) ()
#18 0x000055cb69bbed28 in mysql_insert(THD*, TABLE_LIST*, List<Item>&, 
List<List<Item> >&, List<Item>&, List<Item>&, enum_duplicates, bool, 
select_result*) ()
#19 0x000055cb69beff3b in mysql_execute_command(THD*, bool) ()
#20 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#21 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#22 0x000055cb69bf7247 in do_command(THD*, bool) ()
#23 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#24 0x000055cb69d0af8d in handle_one_connection ()
#25 0x000055cb6a024440 in ?? ()
#26 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#27 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 10 (Thread 0x7ff27835d6c0 (LWP 1337) "mariadbd"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x000055cb6a195b08 in ?? ()
#2  0x000055cb6a122769 in ?? ()
#3  0x000055cb6a22322a in ?? ()
#4  0x000055cb6a1b02a7 in ?? ()
#5  0x000055cb6a1b175c in ?? ()
#6  0x000055cb6a1b2e34 in ?? ()
#7  0x000055cb6a1a0e7c in ?? ()
#8  0x000055cb6a1ce74f in ?? ()
#9  0x000055cb6a1883d4 in ?? ()
#10 0x000055cb6a18b10b in ?? ()
#11 0x000055cb6a18cb30 in ?? ()
#12 0x000055cb6a16c7d1 in ?? ()
#13 0x000055cb6a0c9aba in ?? ()
#14 0x000055cb69e380d2 in handler::ha_update_row(unsigned char const*, unsigned 
char const*) ()
#15 0x000055cb69cc7bd6 in mysql_update(THD*, TABLE_LIST*, List<Item>&, 
List<Item>&, Item*, unsigned int, st_order*, unsigned long long, bool, unsigned 
long long*, unsigned long long*) ()
#16 0x000055cb69bf0709 in mysql_execute_command(THD*, bool) ()
#17 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#18 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#19 0x000055cb69bf7247 in do_command(THD*, bool) ()
#20 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#21 0x000055cb69d0af8d in handle_one_connection ()
#22 0x000055cb6a024440 in ?? ()
#23 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#24 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 9 (Thread 0x7ff2783f36c0 (LWP 1119) "mariadbd"):
#0  0x00007ff29b51b1df in __GI___poll (fds=0x7ff2783f28e8, nfds=1, 
timeout=28800000) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x000055cb69f9246b in vio_io_wait ()
#2  0x000055cb69f92530 in vio_socket_io_wait ()
#3  0x000055cb69f925d3 in vio_read ()
#4  0x000055cb69f5e70f in ?? ()
#5  0x000055cb69f5f820 in my_net_read_packet_reallen ()
#6  0x000055cb69f5f91d in my_net_read_packet ()
#7  0x000055cb69bf71a5 in do_command(THD*, bool) ()
#8  0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#9  0x000055cb69d0af8d in handle_one_connection ()
#10 0x000055cb6a024440 in ?? ()
#11 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#12 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 8 (Thread 0x7ff2841196c0 (LWP 969) "mariadbd"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x000055cb6a195bb8 in ?? ()
#2  0x000055cb6a195d42 in ?? ()
#3  0x000055cb69af42fd in ?? ()
#4  0x000055cb6a1c750b in ?? ()
#5  0x000055cb6a182922 in ?? ()
#6  0x000055cb6a0cea08 in ?? ()
#7  0x000055cb69e309b8 in handler::ha_index_read_map(unsigned char*, unsigned 
char const*, unsigned long, ha_rkey_function) ()
#8  0x000055cb69e35f31 in handler::read_range_first(st_key_range const*, 
st_key_range const*, bool, bool) ()
#9  0x000055cb69d3b0a0 in handler::multi_range_read_next(void**) ()
#10 0x000055cb69d3b110 in Mrr_simple_index_reader::get_next(void**) ()
#11 0x000055cb69d3c5b4 in DsMrr_impl::dsmrr_next(void**) ()
#12 0x000055cb69b091b3 in QUICK_RANGE_SELECT::get_next() ()
#13 0x000055cb69b32fe9 in ?? ()
#14 0x000055cb69cc68f5 in mysql_update(THD*, TABLE_LIST*, List<Item>&, 
List<Item>&, Item*, unsigned int, st_order*, unsigned long long, bool, unsigned 
long long*, unsigned long long*) ()
#15 0x000055cb69bf0709 in mysql_execute_command(THD*, bool) ()
#16 0x000055cb69bf3d05 in mysql_parse(THD*, char*, unsigned int, Parser_state*) 
()
#17 0x000055cb69bf5c35 in dispatch_command(enum_server_command, THD*, char*, 
unsigned int, bool) ()
#18 0x000055cb69bf7247 in do_command(THD*, bool) ()
#19 0x000055cb69d0abf7 in do_handle_one_connection(CONNECT*, bool) ()
#20 0x000055cb69d0af8d in handle_one_connection ()
#21 0x000055cb6a024440 in ?? ()
#22 0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#23 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 7 (Thread 0x7ff2980506c0 (LWP 882) "mariadbd"):
#0  0x00007ff29b45bc82 in __GI___sigtimedwait (set=0x7ff29804fb90, 
info=0x7ff29804fc10, timeout=0x0) at 
../sysdeps/unix/sysv/linux/sigtimedwait.c:31
#1  0x000055cb69afabb3 in signal_hand ()
#2  0x000055cb6a024440 in ?? ()
#3  0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#4  0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 6 (Thread 0x7ff29809b6c0 (LWP 881) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6ac96dcc <COND_manager+44>) at 
./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6ac96dcc 
<COND_manager+44>, expected=expected@entry=0, clockid=clockid@entry=0, 
abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) 
at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6ac96dcc <COND_manager+44>, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6ac96de0 <LOCK_manager>, cond=0x55cb6ac96da0 <COND_manager>) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6ac96da0 <COND_manager>, 
mutex=0x55cb6ac96de0 <LOCK_manager>) at ./nptl/pthread_cond_wait.c:618
#5  0x000055cb69be4100 in handle_manager ()
#6  0x000055cb6a024440 in ?? ()
#7  0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#8  0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 5 (Thread 0x7ff2797ff6c0 (LWP 875) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, 
op=393, expected=0, futex_word=0x55cb6b544f08) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6b544f08, 
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, 
private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6b544f08, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007ff29b4a75d8 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55cb6b544eb0, cond=0x55cb6b544ee0) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55cb6b544ee0, mutex=0x55cb6b544eb0) at 
./nptl/pthread_cond_wait.c:618
#5  0x000055cb6a1e02bc in ?? ()
#6  0x000055cb6a1e076e in ?? ()
#7  0x000055cb6a1e807a in ?? ()
#8  0x00007ff29b6d44a3 in ?? () from target:/lib/x86_64-linux-gnu/libstdc++.so.6
#9  0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#10 0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 4 (Thread 0x7ff285d1a6c0 (LWP 868) "mariadbd"):
#0  0x00007ff29c0ea9f7 in ?? () from target:/lib/x86_64-linux-gnu/liburing.so.2
#1  0x00007ff29c0eac39 in __io_uring_get_cqe () from 
target:/lib/x86_64-linux-gnu/liburing.so.2
#2  0x000055cb6a25e4e2 in ?? ()
#3  0x00007ff29b6d44a3 in ?? () from target:/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#5  0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7ff2990d06c0 (LWP 864) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, 
abstime=0x7ff2990cfc80, op=393, expected=0, futex_word=0x55cb6b4c9728) at 
./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6b4c9728, 
expected=expected@entry=0, clockid=clockid@entry=0, 
abstime=abstime@entry=0x7ff2990cfc80, private=private@entry=0, 
cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6b4c9728, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x7ff2990cfc80, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007ff29b4a78bc in __pthread_cond_wait_common (abstime=0x7ff2990cfc80, 
clockid=0, mutex=0x55cb6b4c9740, cond=0x55cb6b4c9700) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x55cb6b4c9700, mutex=0x55cb6b4c9740, 
abstime=0x7ff2990cfc80) at ./nptl/pthread_cond_wait.c:643
#5  0x000055cb69fc2fdd in ?? ()
#6  0x000055cb69fbbb89 in ?? ()
#7  0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#8  0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7ff29b8356c0 (LWP 863) "mariadbd"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, 
abstime=0x7ff29b834cd0, op=393, expected=0, futex_word=0x55cb6b5570cc) at 
./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cb6b5570cc, 
expected=expected@entry=0, clockid=clockid@entry=0, 
abstime=abstime@entry=0x7ff29b834cd0, private=private@entry=0, 
cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007ff29b4a4f7b in __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55cb6b5570cc, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x7ff29b834cd0, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007ff29b4a78bc in __pthread_cond_wait_common (abstime=0x7ff29b834cd0, 
clockid=0, mutex=0x55cb6b5570e0, cond=0x55cb6b5570a0) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x55cb6b5570a0, mutex=0x55cb6b5570e0, 
abstime=0x7ff29b834cd0) at ./nptl/pthread_cond_wait.c:643
#5  0x000055cb6a2bc99d in ?? ()
#6  0x00007ff29b4a81c4 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#7  0x00007ff29b52885c in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 (Thread 0x7ff29be90900 (LWP 753) "mariadbd"):
#0  0x00007ff29b51b1df in __GI___poll (fds=0x55cb8110f328, nfds=1, timeout=-1) 
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x000055cb69b02f37 in handle_connections_sockets() ()
#2  0x000055cb69b04231 in mysqld_main(int, char**) ()
#3  0x00007ff29b44624a in __libc_start_call_main 
(main=main@entry=0x55cb69aaf930 <main>, argc=argc@entry=1, 
argv=argv@entry=0x7ffcb7b971b8) at ../sysdeps/nptl/libc_start_call_main.h:58
#4  0x00007ff29b446305 in __libc_start_main_impl (main=0x55cb69aaf930 <main>, 
argc=1, argv=0x7ffcb7b971b8, init=<optimized out>, fini=<optimized out>, 
rtld_fini=<optimized out>, stack_end=0x7ffcb7b971a8) at ../csu/libc-start.c:360
#5  0x000055cb69af8751 in _start ()

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