.
Thread 4 (Thread 0x7fdb6dfdd700 (LWP 3361)):
#0  0x00007fdb785669cd in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fdb78fcb41c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fdb78fcb52c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fdb78fcb569 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fdb78ff1d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fdb7883c70a in start_thread (arg=0x7fdb6dfdd700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fdb6dfdd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140580419917568, -7969655297619271663, 0, 140722282408447, 140580419918272, 0, 7985096822409912337, 7985139136590635025}, 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  0x00007fdb785726ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 3 (Thread 0x7fdb675f1700 (LWP 3368)):
#0  0x00007fdb785669cd in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fdb78fcb41c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fdb78fcb52c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fdb675f941d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007fdb78ff1d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fdb7883c70a in start_thread (arg=0x7fdb675f1700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fdb675f1700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140580308850432, -7969655297619271663, 0, 140722282409919, 140580308851136, 94467935676032, 7985117457580285969, 7985139136590635025}, 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  0x00007fdb785726ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 2 (Thread 0x7fdb6d7dc700 (LWP 3362)):
#0  0x00007fdb785669cd in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fdb78fcb41c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fdb78fcb7a2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fdb795ca286 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fdb78ff1d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fdb7883c70a in start_thread (arg=0x7fdb6d7dc700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fdb6d7dc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140580411524864, -7969655297619271663, 0, 140722282408799, 140580411525568, 94467934026064, 7985095720213930001, 7985139136590635025}, 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  0x00007fdb785726ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 1 (Thread 0x7fdb7b448a80 (LWP 3348)):
#0  0x00007fdb79ffdac3 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
No symbol table info available.
#1  0x00007fdb7a05e1ff in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
No symbol table info available.
#2  0x00007fdb7a02bca6 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
No symbol table info available.
#3  0x00007fdb7a02c640 in cairo_surface_destroy () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
No symbol table info available.
#4  0x00007fdb7a786cef in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#5  0x00007fdb7a7877c5 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#6  0x00007fdb7a7880ee in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#7  0x00007fdb7a74055c in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#8  0x00007fdb7a90a937 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#9  0x00007fdb7a90af43 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#10 0x00007fdb7a70225b in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#11 0x00007fdb7a706962 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#12 0x00007fdb7a6c2492 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#13 0x00007fdb7a90a937 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#14 0x00007fdb7a90af43 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#15 0x00007fdb7a70225b in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#16 0x00007fdb7a81b6f8 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#17 0x00007fdb7a90a937 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#18 0x00007fdb7a90ad37 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#19 0x00007fdb7a90af22 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#20 0x00007fdb7a70225b in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#21 0x00007fdb7a706962 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#22 0x00007fdb7a915859 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#23 0x000055eb06351d0c in ?? ()
No symbol table info available.
#24 0x00007fdb7a90a937 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#25 0x00007fdb7a90ad37 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#26 0x00007fdb7a90acf0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#27 0x00007fdb7a90af22 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#28 0x00007fdb7a90b16b in gtk_widget_send_expose () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#29 0x00007fdb7a7bf052 in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#30 0x00007fdb7a30fc88 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#31 0x00007fdb7a310dac in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#32 0x00007fdb7a310f63 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#33 0x00007fdb792a21d4 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#34 0x00007fdb792bc9a6 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#35 0x00007fdb792bd555 in g_signal_emit_by_name () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#36 0x00007fdb7a309f47 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#37 0x00007fdb7a2f9348 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#38 0x00007fdb78fcbb43 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#39 0x00007fdb78fcb0da in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#40 0x00007fdb78fcb480 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#41 0x00007fdb78fcb7a2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#42 0x00007fdb7a7be395 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#43 0x000055eb0634b473 in _vala_main ()
No symbol table info available.
#44 0x00007fdb7848c7e0 in __libc_start_main (main=0x55eb0634b140 <main>, argc=1, argv=0x7ffc75a7bca8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc75a7bc98) at ../csu/libc-start.c:291
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 4228902937077211153, 94467909792224, 140722282413216, 0, 0, 7971076620540174353, 7985137409973542929}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffc75a7bcb8, 0x7fdb7b50d168}, data = {prev = 0x0, cleanup = 0x0, canceltype = 1973927096}}}
        not_first_call = <optimized out>
#45 0x000055eb0634b209 in _start ()
No symbol table info available.