(gdb) t a a bt

Thread 2 (Thread 0x7fffea769700 (LWP 7271)):
#0  0x000000357a80e59d in __lll_lock_wait () from /lib64/libpthread.so.0
#1  0x000000357a80a194 in _L_lock_874 () from /lib64/libpthread.so.0
#2  0x000000357a80a093 in pthread_mutex_lock () from /lib64/libpthread.so.0
#3  0x0000003579c1302e in _dl_open () from /lib64/ld-linux-x86-64.so.2
#4  0x000000357a12f9c2 in do_dlopen () from /lib64/libc.so.6
#5  0x0000003579c0f174 in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2
#6  0x000000357a12fa82 in __libc_dlopen_mode () from /lib64/libc.so.6
#7  0x000000357a80fe83 in pthread_cancel_init () from /lib64/libpthread.so.0
#8  0x000000357a81004c in _Unwind_ForcedUnwind () from /lib64/libpthread.so.0
#9  0x000000357a80e3b0 in __pthread_unwind () from /lib64/libpthread.so.0
#10 0x000000357a809175 in pthread_exit () from /lib64/libpthread.so.0
#11 0x00007ffff2873ecb in nptl_pthread_exit_hack_handler ()
   from /usr/lib64/mysql-workbench/libmysqlclient.so.18
#12 0x000000357a807f33 in start_thread () from /lib64/libpthread.so.0
#13 0x000000357a0f4ded in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7ffff1b47a40 (LWP 7267)):
#0  0x000000357a809297 in pthread_join () from /lib64/libpthread.so.0
#1  0x00007ffff2874370 in my_thread_global_init ()
   from /usr/lib64/mysql-workbench/libmysqlclient.so.18
#2  0x00007ffff2872926 in my_init ()
   from /usr/lib64/mysql-workbench/libmysqlclient.so.18
#3  0x0000003579c0f2ea in call_init.part.0 () from /lib64/ld-linux-x86-64.so.2
#4  0x0000003579c0f3d3 in _dl_init_internal () from /lib64/ld-linux-x86-64.so.2
#5  0x0000003579c139b4 in dl_open_worker () from /lib64/ld-linux-x86-64.so.2
#6  0x0000003579c0f174 in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2
#7  0x0000003579c1309b in _dl_open () from /lib64/ld-linux-x86-64.so.2
#8  0x00007ffff260602b in dlopen_doit () from /lib64/libdl.so.2
#9  0x0000003579c0f174 in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2
#10 0x00007ffff260662d in _dlerror_run () from /lib64/libdl.so.2
#11 0x00007ffff26060c1 in dlopen@@GLIBC_2.2.5 () from /lib64/libdl.so.2
#12 0x000000357e4018c9 in g_module_open () from /lib64/libgmodule-2.0.so.0
#13 0x000000354c45bbbb in g_io_module_load_module () from /lib64/libgio-2.0.so.0
#14 0x000000357d434921 in g_type_module_use () from /lib64/libgobject-2.0.so.0
#15 0x000000354c45c3f8 in g_io_modules_scan_all_in_directory_with_scope ()
   from /lib64/libgio-2.0.so.0
#16 0x000000354c45c73c in _g_io_modules_ensure_loaded () from /lib64/libgio-2.0.so.0
#17 0x000000354c45cd52 in _g_io_module_get_default () from /lib64/libgio-2.0.so.0
#18 0x000000354c44973e in g_file_new_for_path () from /lib64/libgio-2.0.so.0
#19 0x0000003f08e22a40 in ibus_bus_init () from /lib64/libibus-1.0.so.5
#20 0x000000357d43168b in g_type_create_instance () from /lib64/libgobject-2.0.so.0
#21 0x000000357d415158 in g_object_constructor () from /lib64/libgobject-2.0.so.0
#22 0x0000003f08e252f5 in ibus_bus_constructor () from /lib64/libibus-1.0.so.5
#23 0x000000357d415544 in g_object_new_internal () from /lib64/libgobject-2.0.so.0
#24 0x000000357d417814 in g_object_new_valist () from /lib64/libgobject-2.0.so.0
#25 0x000000357d417c11 in g_object_new () from /lib64/libgobject-2.0.so.0
#26 0x0000003f08e230e6 in ibus_bus_new_async () from /lib64/libibus-1.0.so.5
---Type <return> to continue, or q <return> to quit---