160924 15:01:08 [ERROR] mysqld got signal 11 ;
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This could be because you hit a bug. It is also possible that this binary
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or one of the libraries it was linked against is corrupt, improperly built,
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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
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diagnose the problem, but since we have already crashed,
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something is definitely wrong and this may fail.
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Server version: 10.1.18-MariaDB
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key_buffer_size=1048576
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read_buffer_size=131072
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max_used_connections=1
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max_threads=153
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thread_count=1
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It is possible that mysqld could use up to
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key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 62897 K bytes of memory
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Hope that's ok; if not, decrease some variables in the equation.
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Thread pointer: 0x0x2b08333e6008
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Attempting backtrace. You can use the following information to find out
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where mysqld died. If you see no messages after this, something went
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terribly wrong...
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stack_bottom = 0x4195a468 thread_stack 0x48400
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/usr/local/mariadb-10.1.18-linux-x86_64/bin/mysqld(my_print_stacktrace+0x2e)[0xc089be]
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/usr/local/mariadb-10.1.18-linux-x86_64/bin/mysqld(handle_fatal_signal+0x4ba)[0x7679da]
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/lib64/libpthread.so.0[0x2b082cacf4c0]
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/usr/local/mariadb-10.1.18-linux-x86_64/lib/plugin/ha_innodb.so[0x2aaaaaad65f8]
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/usr/local/mariadb-10.1.18-linux-x86_64/lib/plugin/ha_innodb.so[0x2aaaaab2211f]
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/usr/local/mariadb-10.1.18-linux-x86_64/lib/plugin/ha_innodb.so[0x2aaaaac6e073]
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/usr/local/mariadb-10.1.18-linux-x86_64/lib/plugin/ha_innodb.so[0x2aaaaac6e690]
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/usr/local/mariadb-10.1.18-linux-x86_64/lib/plugin/ha_innodb.so[0x2aaaaac25344]
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/usr/local/mariadb-10.1.18-linux-x86_64/lib/plugin/ha_innodb.so[0x2aaaaac25af8]
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/usr/local/mariadb-10.1.18-linux-x86_64/lib/plugin/ha_innodb.so[0x2aaaaac4fca6]
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/usr/local/mariadb-10.1.18-linux-x86_64/lib/plugin/ha_innodb.so[0x2aaaaabb05b8]
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/usr/local/mariadb-10.1.18-linux-x86_64/bin/mysqld(_Z15ha_delete_tableP3THDP10handlertonPKcS4_S4_b+0x191)[0x7718d1]
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/usr/local/mariadb-10.1.18-linux-x86_64/bin/mysqld(_Z23mysql_rm_table_no_locksP3THDP10TABLE_LISTbbbbb+0x3b8)[0x63d4e8]
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/usr/local/mariadb-10.1.18-linux-x86_64/bin/mysqld(_Z14mysql_rm_tableP3THDP10TABLE_LISTcc+0x163)[0x63e3f3]
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/usr/local/mariadb-10.1.18-linux-x86_64/bin/mysqld(_Z21mysql_execute_commandP3THD+0x2a12)[0x5b4a52]
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/usr/local/mariadb-10.1.18-linux-x86_64/bin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_state+0x354)[0x5bb9e4]
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/usr/local/mariadb-10.1.18-linux-x86_64/bin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcj+0x23a7)[0x5bea17]
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/usr/local/mariadb-10.1.18-linux-x86_64/bin/mysqld(_Z10do_commandP3THD+0x2a7)[0x5bee27]
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/usr/local/mariadb-10.1.18-linux-x86_64/bin/mysqld(_Z24do_handle_one_connectionP3THD+0x183)[0x68e103]
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/usr/local/mariadb-10.1.18-linux-x86_64/bin/mysqld(handle_one_connection+0x42)[0x68e322]
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/usr/local/mariadb-10.1.18-linux-x86_64/bin/mysqld[0xb0aeb9]
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/lib64/libpthread.so.0[0x2b082cac7367]
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/lib64/libc.so.6(clone+0x6d)[0x2b082db79f7d]
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Trying to get some variables.
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Some pointers may be invalid and cause the dump to abort.
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Query (0x2aaaaf821020): DROP TABLE t1
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Connection ID (thread ID): 2
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Status: NOT_KILLED
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