.
Thread 5 (Thread 0x7f2bc7b0b700 (LWP 5507)):
#0  0x00007f2bd27ef9cd in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f2bd358f41c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f2bd358f7a2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f2bd3b9a286 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f2bd35b5d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f2bd2acc70a in start_thread (arg=0x7f2bc7b0b700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f2bc7b0b700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139826010568448, 5769691888760144465, 0, 140733221837055, 139826010569152, 94736294614416, -5889125748370816431, -5889101455132310959}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f2bd27fb6ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 4 (Thread 0x7f2bc5a2c700 (LWP 5517)):
#0  0x00007f2bd27ef9cd in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f2bd358f41c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f2bd358f52c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f2bd1ecd8cd in ?? () from /usr/lib/x86_64-linux-gnu/libdconf.so.1
No symbol table info available.
#4  0x00007f2bd35b5d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f2bd2acc70a in start_thread (arg=0x7f2bc5a2c700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f2bc5a2c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139825976100608, 5769691888760144465, 0, 140733221839071, 139825976101312, 94736296915984, -5889130026695114159, -5889101455132310959}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f2bd27fb6ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 3 (Thread 0x7f2bc6ec4700 (LWP 5508)):
#0  0x00007f2bd27ef9cd in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f2bd358f41c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f2bd358f52c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f2bc710441d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f2bd35b5d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f2bd2acc70a in start_thread (arg=0x7f2bc6ec4700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f2bc6ec4700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139825997694720, 5769691888760144465, 0, 140733221838255, 139825997695424, 94736294645648, -5889127299390881199, -5889101455132310959}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f2bd27fb6ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 2 (Thread 0x7f2bc830c700 (LWP 5506)):
#0  0x00007f2bd27ef9cd in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f2bd358f41c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f2bd358f52c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f2bd358f569 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f2bd35b5d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f2bd2acc70a in start_thread (arg=0x7f2bc830c700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f2bc830c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139826018961152, 5769691888760144465, 0, 140733221836703, 139826018961856, 0, -5889159833768148399, -5889101455132310959}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f2bd27fb6ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 1 (Thread 0x7f2bd622ea80 (LWP 5502)):
#0  0x00007f2bd4a62760 in gdk_window_get_user_data () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#1  0x000056298133571e in ?? ()
No symbol table info available.
#2  0x00005629813358d1 in ?? ()
No symbol table info available.
#3  0x000056298133594a in ?? ()
No symbol table info available.
#4  0x000056298134ecf9 in ?? ()
No symbol table info available.
#5  0x00007f2bd386fa5a in g_cclosure_marshal_VOID__STRINGv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007f2bd386d1d4 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007f2bd38879a6 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#8  0x00007f2bd388808f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#9  0x00007f2bd3b7898c in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#10 0x00007f2bcd922e40 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#11 0x00007f2bcd9228ab in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#12 0x00007f2bd386dcf5 in g_cclosure_marshal_generic_va () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007f2bd386d1d4 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#14 0x00007f2bd38874b8 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#15 0x00007f2bd388808f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#16 0x00007f2bd3b790f8 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#17 0x00007f2bd3b73d0a in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#18 0x00007f2bd358f0da in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#19 0x00007f2bd358f480 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#20 0x00007f2bd358f7a2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#21 0x00007f2bd4f16395 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#22 0x00005629813188e6 in main ()
No symbol table info available.