mysqld: /data/src/5.5/sql/sql_cache.cc:2697: void Query_cache::free_cache(): Assertion `m_cache_lock_status == LOCKED_NO_WAIT || m_cache_status == DISABLE_REQUEST' failed.

180122  0:45:07 [ERROR] mysqld got signal 6 ;

#7  0x00007fb1b91a1ee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6

#8  0x00000000005baad7 in Query_cache::free_cache (this=0x14d53c0 <query_cache>) at /data/src/5.5/sql/sql_cache.cc:2696

#9  0x00000000005b9fb2 in Query_cache::init (this=0x14d53c0 <query_cache>) at /data/src/5.5/sql/sql_cache.cc:2480

#10 0x00000000005572c7 in init_server_components () at /data/src/5.5/sql/mysqld.cc:4112

#11 0x0000000000558897 in mysqld_main (argc=12, argv=0x7fb1b885f190) at /data/src/5.5/sql/mysqld.cc:4891

#12 0x0000000000550e96 in main (argc=12, argv=0x7ffc66664508) at /data/src/5.5/sql/main.cc:25