http://buildbot.askmonty.org/buildbot/builders/kvm-fulltest2/builds/23468/steps/mtr_nm/logs/stdio
10.2 fbfb5b5f68a4
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main.range_innodb 'innodb' w1 [ fail ]
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Test ended at 2020-07-01 04:57:16
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CURRENT_TEST: main.range_innodb
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mysqltest: At line 115: query 'SET @@GLOBAL.debug_dbug = @saved_dbug' failed: 2013: Lost connection to MySQL server during query
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2020-07-01 4:57:14 2953296704 [ERROR] Got error 128 when reading table './test/t1'
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200701 4:57:14 [ERROR] mysqld got signal 11 ;
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This could be because you hit a bug. It is also possible that this binary
|
or one of the libraries it was linked against is corrupt, improperly built,
|
or misconfigured. This error can also be caused by malfunctioning hardware.
|
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To report this bug, see https://mariadb.com/kb/en/reporting-bugs
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We will try our best to scrape up some info that will hopefully help
|
diagnose the problem, but since we have already crashed,
|
something is definitely wrong and this may fail.
|
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Server version: 10.2.33-MariaDB-debug-log
|
key_buffer_size=1048576
|
read_buffer_size=131072
|
max_used_connections=3
|
max_threads=153
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thread_count=11
|
It is possible that mysqld could use up to
|
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 61891 K bytes of memory
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Hope that's ok; if not, decrease some variables in the equation.
|
|
Thread pointer: 0x82bbf820
|
Attempting backtrace. You can use the following information to find out
|
where mysqld died. If you see no messages after this, something went
|
terribly wrong...
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stack_bottom = 0xa80f223c thread_stack 0x49000
|
/mnt/buildbot/build/mariadb-10.2.33/sql/mysqld(my_print_stacktrace+0x33)[0x80daf6b1]
|
mysys/stacktrace.c:267(my_print_stacktrace)[0x806a5070]
|
addr2line: '': No such file
|
[0xb76fac14]
|
dbug/dbug.c:1310(_db_doprnt_)[0x80dcf4d6]
|
que/que0que.cc:982(que_thr_step(que_thr_t*))[0x80a80e6c]
|
que/que0que.cc:1104(que_run_threads_low(que_thr_t*))[0x80a812ea]
|
que/que0que.cc:1144(que_run_threads(que_thr_t*))[0x80a814a7]
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srv/srv0srv.cc:2571(srv_task_execute(srv_slot_t*))[0x80b32df1]
|
srv/srv0srv.cc:2618(srv_worker_thread)[0x80b32f57]
|
/lib/i386-linux-gnu/libpthread.so.0(+0x62b5)[0xb73532b5]
|
/lib/i386-linux-gnu/libc.so.6(clone+0x6e)[0xb709416e]
|
|
Trying to get some variables.
|
Some pointers may be invalid and cause the dump to abort.
|
Query (0x0):
|
Connection ID (thread ID): 2
|
Status: NOT_KILLED
|
|
Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on
|
|
The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
|
information that should help you find out what is causing the crash.
|
Writing a core file...
|
Working directory at /dev/shm/var_auto_x3RJ/1/mysqld.1/data
|
Resource Limits:
|
Limit Soft Limit Hard Limit Units
|
Max cpu time unlimited unlimited seconds
|
Max file size unlimited unlimited bytes
|
Max data size unlimited unlimited bytes
|
Max stack size 8388608 unlimited bytes
|
Max core file size unlimited unlimited bytes
|
Max resident set unlimited unlimited bytes
|
Max processes 48287 48287 processes
|
Max open files 1024 1024 files
|
Max locked memory 65536 65536 bytes
|
Max address space unlimited unlimited bytes
|
Max file locks unlimited unlimited locks
|
Max pending signals 48287 48287 signals
|
Max msgqueue size 819200 819200 bytes
|
Max nice priority 0 0
|
Max realtime priority 0 0
|
Max realtime timeout unlimited unlimited us
|
Core pattern: |/usr/share/apport/apport %p %s %c %P
|
#4 <signal handler called>
|
#5 0x80dcf4d6 in _db_doprnt_ (format=0x8102238a "Execute %u (%s) at %p") at /home/buildbot/buildbot/build/mariadb-10.2.33/dbug/dbug.c:1310
|
#6 0x80a80e6c in que_thr_step (thr=0x82bae120) at /home/buildbot/buildbot/build/mariadb-10.2.33/storage/innobase/que/que0que.cc:982
|
#7 0x80a812ea in que_run_threads_low (thr=0x82bae120) at /home/buildbot/buildbot/build/mariadb-10.2.33/storage/innobase/que/que0que.cc:1104
|
#8 0x80a814a7 in que_run_threads (thr=0x82bae120) at /home/buildbot/buildbot/build/mariadb-10.2.33/storage/innobase/que/que0que.cc:1144
|
#9 0x80b32df1 in srv_task_execute (slot=0x81551434 <srv_sys+244>) at /home/buildbot/buildbot/build/mariadb-10.2.33/storage/innobase/srv/srv0srv.cc:2571
|
#10 0x80b32f57 in srv_worker_thread (arg=0x0) at /home/buildbot/buildbot/build/mariadb-10.2.33/storage/innobase/srv/srv0srv.cc:2618
|
#11 0xb73532b5 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
|
#12 0xb709416e in clone () from /lib/i386-linux-gnu/libc.so.6
|
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The following is the currently executing statement in _db_doprnt_():
Could it be that these parts of cs or the data that it is pointed to would become invalid when DBUG is disabled? I see no locking in the predicate check:
#define DBUG_PRINT(keyword,arglist) \
The invocation in que_thr_step() looks like this:
unsigned(type), que_node_type_string(node),
I do not think that this particular DBUG_PRINT brings much value. And perhaps we should simplify the purge of InnoDB transactions so that it will avoid using que_thr_t objects at all.