And again same phenomenon in https://buildd.debian.org/status/fetch.php?pkg=mariadb&arch=s390x&ver=1%3A10.11.1-3&stamp=1675697634&raw=0. Copy-pasting more context to track if the main.xml is the preceding test other times as well:
main.group_by_innodb 'innodb' w2 [ pass ] 11 main.group_min_max_innodb 'innodb' w2 [ pass ] 21 main.host_cache_size_functionality 'innodb' w2 [ fail ] Found warnings/errors in server log file! Test ended at 2023-02-06 13:37:33 line Attempting backtrace. You can use the following information to find out ^ Found warnings in /<<PKGBUILDDIR>>/builddir/mysql-test/var/2/log/mysqld.1.err ok - found 'core' (0/5) Core generated by '/<<PKGBUILDDIR>>/builddir/sql/mariadbd' Output from gdb follows. The first stack trace is from the failing thread. The following stack traces are from all threads (so the failing one is duplicated). -------------------------- warning: Can't open file anon_inode:[io_uring] which was expanded to anon_inode:[io_uring] during file-backed mapping note processing warning: Can't open file anon_inode:[io_uring] which was expanded to anon_inode:[io_uring] during file-backed mapping note processing [New LWP 4037916] [New LWP 4037923] [New LWP 4037925] [New LWP 4037924] [New LWP 4037934] [New LWP 4038289] [New LWP 4038342] [New LWP 4038372] [New LWP 4037931] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/s390x-linux-gnu/libthread_db.so.1". Core was generated by `/<<PKGBUILDDIR>>/builddir/sql/mariadbd --defaults-group-su'. Program terminated with signal SIGABRT, Aborted. #0 0x000003ffab01861a in ?? () from /lib/s390x-linux-gnu/libc.so.6 [Current thread is 1 (Thread 0x3ffabeea820 (LWP 4037916))] #0 0x000003ffab01861a in ?? () from /lib/s390x-linux-gnu/libc.so.6 #1 0x000002aa242907f4 in handle_fatal_signal (sig=<optimized out>) at ./sql/signal_handler.cc:355 #2 <signal handler called> #3 0x000003ffab0130d2 in ?? () from /lib/s390x-linux-gnu/libc.so.6 #4 0x000003ffab015c32 in pthread_cond_wait () from /lib/s390x-linux-gnu/libc.so.6 #5 0x000002aa2468bb52 in buf_dblwr_t::flush_buffered_writes (this=this@entry=0x2aa25aeaa80 <buf_dblwr>, size=size@entry=64) at ./storage/innobase/buf/buf0dblwr.cc:576 #6 0x000002aa2468c082 in buf_dblwr_t::flush_buffered_writes (this=0x2aa25aeaa80 <buf_dblwr>) at ./storage/innobase/buf/buf0dblwr.cc:719 #7 0x000002aa24693334 in buf_flush_list (lsn=4396608790832, max_n=24) at ./storage/innobase/buf/buf0flu.cc:1508 #8 buf_flush_list (max_n=24, lsn=4396608790832) at ./storage/innobase/buf/buf0flu.cc:1478 #9 0x000002aa23ef6d52 in buf_flush_buffer_pool () at ./storage/innobase/buf/buf0flu.cc:2546 #10 0x000002aa23ee959c in logs_empty_and_mark_files_at_shutdown () at ./storage/innobase/log/log0log.cc:1163 #11 0x000002aa24636174 in innodb_shutdown () at ./storage/innobase/srv/srv0start.cc:1949 #12 0x000002aa245447a2 in innobase_end () at ./storage/innobase/handler/ha_innodb.cc:4284 #13 innobase_end () at ./storage/innobase/handler/ha_innodb.cc:4271 #14 0x000002aa24293c9e in ha_finalize_handlerton (plugin=0x2aa26381790) at ./sql/handler.cc:596 #15 0x000002aa24056e06 in plugin_deinitialize (plugin=0x2aa26381790, ref_check=ref_check@entry=true) at ./sql/sql_plugin.cc:1273 #16 0x000002aa24059bd0 in reap_plugins () at ./sql/sql_plugin.cc:1344 #17 0x000002aa2405a6b0 in plugin_shutdown () at ./sql/sql_plugin.cc:2052 #18 0x000002aa23f3ecec in clean_up (print_message=<optimized out>) at ./sql/mysqld.cc:2000 #19 0x000002aa23f4a4d8 in clean_up (print_message=true) at ./sql/mysqld.cc:1972 #20 mysqld_main (argc=<optimized out>, argv=<optimized out>) at ./sql/mysqld.cc:6024 #21 0x000003ffaafab84a in ?? () from /lib/s390x-linux-gnu/libc.so.6 #22 0x000003ffaafab932 in __libc_start_main () from /lib/s390x-linux-gnu/libc.so.6 #23 0x000002aa23f3d378 in _start () main.xml w2 [ pass ] 19 worker[1] Test still running: main.innodb_ext_key worker[1] Test still running: main.innodb_ext_key worker[1] Test still running: main.innodb_ext_key worker[1] Test still running: main.innodb_ext_key worker[1] Test still running: main.innodb_ext_key worker[1] Trying to dump core for [mysqltest - pid: 4034646, winpid: 4034646] worker[1] Trying to dump core for [mysqld.1 - pid: 4034628, winpid: 4034628] main.innodb_ext_key 'innodb,off,unoptimized' w1 [ fail ] timeout after 7200 seconds Test ended at 2023-02-06 15:33:16 Test case timeout after 7200 seconds == /<<PKGBUILDDIR>>/builddir/mysql-test/var/1/tmp/analyze-timeout-mysqld.1.err == mysqltest: Could not open connection 'default' after 500 attempts: 2002 Can't connect to local server through socket '/<<PKGBUILDDIR>>/builddir/mysql-test/var/tm' (111) - found 'core' (1/5) Core generated by '/<<PKGBUILDDIR>>/builddir/sql/mariadbd' Output from gdb follows. The first stack trace is from the failing thread. The following stack traces are from all threads (so the failing one is duplicated). -------------------------- warning: Can't open file anon_inode:[io_uring] which was expanded to anon_inode:[io_uring] during file-backed mapping note processing warning: Can't open file anon_inode:[io_uring] which was expanded to anon_inode:[io_uring] during file-backed mapping note processing [New LWP 4034629] [New LWP 4034630] [New LWP 4034631] [New LWP 4034651] [New LWP 4034632] [New LWP 4064331] [New LWP 4034633] [New LWP 4034637] [New LWP 4034640] [New LWP 4034641] [New LWP 4034639] [New LWP 4034648] [New LWP 4034645] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/s390x-linux-gnu/libthread_db.so.1". Core was generated by `/<<PKGBUILDDIR>>/builddir/sql/mariadbd --defaults-group-su'. Program terminated with signal SIGABRT, Aborted. #0 0x000003ff7e91861a in ?? () from /lib/s390x-linux-gnu/libc.so.6 [Current thread is 1 (Thread 0x3ff7f7ea820 (LWP 4034629))] #0 0x000003ff7e91861a in ?? () from /lib/s390x-linux-gnu/libc.so.6 #1 0x000002aa069107f4 in handle_fatal_signal (sig=<optimized out>) at ./sql/signal_handler.cc:355 #2 <signal handler called> #3 0x000003ff7e9880bc in poll () from /lib/s390x-linux-gnu/libc.so.6 #4 0x000002aa065c86a4 in poll (__timeout=-1, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/s390x-linux-gnu/bits/poll2.h:39 #5 handle_connections_sockets () at ./sql/mysqld.cc:6292 #6 0x000002aa065c9a52 in mysqld_main (argc=<optimized out>, argv=<optimized out>) at ./sql/mysqld.cc:5997 #7 0x000003ff7e8ab84a in ?? () from /lib/s390x-linux-gnu/libc.so.6 #8 0x000003ff7e8ab932 in __libc_start_main () from /lib/s390x-linux-gnu/libc.so.6 #9 0x000002aa065bd378 in _start ()