CURRENT_TEST: main.greedy_optimizer
mysqltest got signal 6
read_command_buf (0xaaaaea3d3c78): }

conn->name (0xaaaaea4068c8): 

Attempting backtrace...
stack_bottom = 0x0 thread_stack 0x3c000
mysys/stacktrace.c:215(my_print_stacktrace)[0xaaaab8200068]
client/mysqltest.cc:10086(dump_backtrace())[0xaaaab81a0150]
client/mysqltest.cc:10102(signal_handler)[0xaaaab81a018c]
addr2line: 'linux-vdso.so.1': No such file
linux-vdso.so.1(__kernel_rt_sigreturn+0x0)[0xffff904125b0]
/lib/aarch64-linux-gnu/libc.so.6(__poll+0x90)[0xffff8fccf0d0]
pvio/pvio_socket.c:532(pvio_socket_wait_io_or_timeout)[0xaaaab81dd160]
pvio/pvio_socket.c:318(pvio_socket_read)[0xaaaab81dcd60]
libmariadb/ma_pvio.c:255(ma_pvio_read)[0xaaaab81b93f4]
libmariadb/ma_pvio.c:299(ma_pvio_cache_read)[0xaaaab81b95ec]
libmariadb/ma_net.c:385(ma_real_read)[0xaaaab81e264c]
libmariadb/ma_net.c:439(ma_net_read)[0xaaaab81e28d4]
libmariadb/mariadb_lib.c:215(ma_net_safe_read)[0xaaaab81abf38]
libmariadb/mariadb_lib.c:2869(mthd_my_read_query_result)[0xaaaab81b2bf4]
libmariadb/mariadb_lib.c:2958(mysql_read_query_result)[0xaaaab81b30a4]
tests/nonblock-wrappers.h:324(wrap_mysql_read_query_result(st_mysql*))[0xaaaab818d330]
client/mysqltest.cc:8393(run_query_normal(st_connection*, st_command*, int, char const*, unsigned long, st_dynamic_string*, st_dynamic_string*))[0xaaaab819d028]
client/mysqltest.cc:9751(run_query(st_connection*, st_command*, int))[0xaaaab819f7f8]
client/mysqltest.cc:10583(main)[0xaaaab81a14a8]
/lib/aarch64-linux-gnu/libc.so.6(__libc_start_main+0xe8)[0xffff8fc28090]
/home/buildbot/buildbot/build/mariadb-12.1.0/client//mariadb-test(+0x6b5b8)[0xaaaab818c5b8]
Writing a core file...
CURRENT_TEST: main.greedy_optimizer
mysqltest got signal 6
read_command_buf (0xaaaac05e1c78): }

conn->name (0xaaaac06148c8): 

Attempting backtrace...
stack_bottom = 0x0 thread_stack 0x3c000
mysys/stacktrace.c:215(my_print_stacktrace)[0xaaaab09ec068]
client/mysqltest.cc:10086(dump_backtrace())[0xaaaab098c150]
client/mysqltest.cc:10102(signal_handler)[0xaaaab098c18c]
addr2line: 'linux-vdso.so.1': No such file
linux-vdso.so.1(__kernel_rt_sigreturn+0x0)[0xffff8ed1e5b0]
/lib/aarch64-linux-gnu/libc.so.6(__poll+0x90)[0xffff8e5db0d0]
pvio/pvio_socket.c:532(pvio_socket_wait_io_or_timeout)[0xaaaab09c9160]
pvio/pvio_socket.c:318(pvio_socket_read)[0xaaaab09c8d60]
libmariadb/ma_pvio.c:255(ma_pvio_read)[0xaaaab09a53f4]
libmariadb/ma_pvio.c:299(ma_pvio_cache_read)[0xaaaab09a55ec]
libmariadb/ma_net.c:385(ma_real_read)[0xaaaab09ce64c]
libmariadb/ma_net.c:439(ma_net_read)[0xaaaab09ce8d4]
libmariadb/mariadb_lib.c:215(ma_net_safe_read)[0xaaaab0997f38]
libmariadb/mariadb_lib.c:2869(mthd_my_read_query_result)[0xaaaab099ebf4]
libmariadb/mariadb_lib.c:2958(mysql_read_query_result)[0xaaaab099f0a4]
tests/nonblock-wrappers.h:324(wrap_mysql_read_query_result(st_mysql*))[0xaaaab0979330]
client/mysqltest.cc:8393(run_query_normal(st_connection*, st_command*, int, char const*, unsigned long, st_dynamic_string*, st_dynamic_string*))[0xaaaab0989028]
client/mysqltest.cc:9751(run_query(st_connection*, st_command*, int))[0xaaaab098b7f8]
client/mysqltest.cc:10583(main)[0xaaaab098d4a8]
/lib/aarch64-linux-gnu/libc.so.6(__libc_start_main+0xe8)[0xffff8e534090]
/home/buildbot/buildbot/build/mariadb-12.1.0/client//mariadb-test(+0x6b5b8)[0xaaaab09785b8]
Writing a core file...
