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Percona Server 5.7.12-5-log Source crash

caoyutingcaoyuting EntrantCurrent User Role Beginner
Dear everyone,
Today we unexpectedly restarted production database, the error log as follows, could you tell me what is the cause, thank you very much!

05:34:53 UTC - mysqld got signal 11 ;
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.
Attempting to collect some information that could help diagnose the problem.
As this is a crash and something is definitely wrong, the information
collection process might fail.
Please help us make Percona Server better by reporting any
bugs at http://bugs.percona.com/

key_buffer_size=33554432
read_buffer_size=2097152
max_used_connections=2129
max_threads=60001
thread_count=739
connection_count=705
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 368742938 K bytes of memory
Hope that's ok; if not, decrease some variables in the equation.

Thread pointer: 0x7f301e74b000
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...
stack_bottom = 7f30600f2c58 thread_stack 0x40000
/data/servers/app/percona-server-5.7.12/bin/mysqld(my_print_stacktrace+0x35)[0xf30ef5]
/data/servers/app/percona-server-5.7.12/bin/mysqld(handle_fatal_signal+0x4b4)[0x7bffb4]
/lib64/libpthread.so.0(+0xf7e0)[0x7f3960e127e0]
/data/servers/app/percona-server-5.7.12/bin/mysqld(_ZN23PFS_connection_iterator12visit_globalEbbbbbP22PFS_connection_visitor+0x550)[0xf94cc0]
/data/servers/app/percona-server-5.7.12/bin/mysqld(_ZN31table_mems_global_by_event_name8make_rowEP16PFS_memory_class+0xcc)[0xfa9fac]
/data/servers/app/percona-server-5.7.12/bin/mysqld(_ZN31table_mems_global_by_event_name8rnd_nextEv+0x95)[0xfaa175]
/data/servers/app/percona-server-5.7.12/bin/mysqld(_ZN13ha_perfschema8rnd_nextEPh+0x70)[0xf5f4e0]
/data/servers/app/percona-server-5.7.12/bin/mysqld(_ZN7handler11ha_rnd_nextEPh+0x154)[0x818624]
/data/servers/app/percona-server-5.7.12/bin/mysqld(_Z13rr_sequentialP11READ_RECORD+0x1e)[0xc7190e]
/data/servers/app/percona-server-5.7.12/bin/mysqld(_Z10sub_selectP4JOINP7QEP_TABb+0x2d6)[0xcdfe96]
/data/servers/app/percona-server-5.7.12/bin/mysqld(_ZN4JOIN4execEv+0x27a)[0xcdee0a]
/data/servers/app/percona-server-5.7.12/bin/mysqld(_Z12handle_queryP3THDP3LEXP12Query_resultyy+0x250)[0xd4a0b0]
/data/servers/app/percona-server-5.7.12/bin/mysqld[0xd0a0f3]
/data/servers/app/percona-server-5.7.12/bin/mysqld(_Z21mysql_execute_commandP3THDb+0x3a0e)[0xd0ddde]
/data/servers/app/percona-server-5.7.12/bin/mysqld(_Z11mysql_parseP3THDP12Parser_state+0x595)[0xd0fc75]
/data/servers/app/percona-server-5.7.12/bin/mysqld(_Z16dispatch_commandP3THDPK8COM_DATA19enum_server_command+0x11a5)[0xd10f35]
/data/servers/app/percona-server-5.7.12/bin/mysqld(_Z10do_commandP3THD+0x1d4)[0xd11a64]
/data/servers/app/percona-server-5.7.12/bin/mysqld(_Z26threadpool_process_requestP3THD+0x9a)[0xdc927a]
/data/servers/app/percona-server-5.7.12/bin/mysqld[0xdd90f9]
/data/servers/app/percona-server-5.7.12/bin/mysqld(pfs_spawn_thread+0x171)[0xf624d1]
/lib64/libpthread.so.0(+0x7aa1)[0x7f3960e0aaa1]
/lib64/libc.so.6(clone+0x6d)[0x7f395f95d93d]

Trying to get some variables.
Some pointers may be invalid and cause the dump to abort.
Query (7f2ca3519030): is an invalid pointer
Connection ID (thread ID): 1569238
Status: NOT_KILLED

You may download the Percona Server operations manual by visiting
http://www.percona.com/software/percona-server/. You may find information
in the manual which will help you identify the cause of the crash.
2017-03-06T05:34:53.459454Z mysqld_safe Number of processes running now: 0
2017-03-06T05:34:53.460973Z mysqld_safe mysqld restarted
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