.
Thread 3 (Thread 0x7fe2b8558700 (LWP 28829)):
#0  0x00007fe2bff1ed93 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fe2c1aa20e6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe2c1aa254a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe2b855d98b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007fe2c1ac3cd5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe2c3414e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007fe2bff2a74d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7fe2b7556700 (LWP 28831)):
#0  0x00007fe2bff1ed93 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fe2c1aa20e6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe2c1aa254a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe2c2b72656 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fe2c1ac3cd5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe2c3414e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007fe2bff2a74d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7fe2c464a980 (LWP 28812)):
#0  0x00007fe2bfe70445 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fe2bfe73bab in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fe2bfeac0be in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#3  0x00007fe2bff41297 in __fortify_fail () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007fe2bff40190 in __chk_fail () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#5  0x00007fe2bff4124e in __fdelt_warn () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x0000000000420837 in ?? ()
No symbol table info available.
#7  0x000000000041f587 in ?? ()
No symbol table info available.
#8  0x000000000041107e in ?? ()
No symbol table info available.
#9  0x00007fe2c285de72 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007fe2c286f943 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007fe2c2878230 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007fe2c2878472 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007fe2c3f2bf55 in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#14 0x00007fe2c3b5cfc2 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#15 0x00007fe2c1aa1d8a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#16 0x00007fe2c1aa2150 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#17 0x00007fe2c1aa254a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#18 0x000000000040baab in ?? ()
No symbol table info available.
#19 0x00007fe2bfe5b76d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#20 0x000000000040bb8d in ?? ()
No symbol table info available.
#21 0x00007fff8c5efd98 in ?? ()
No symbol table info available.
#22 0x000000000000001c in ?? ()
No symbol table info available.
#23 0x0000000000000002 in ?? ()
No symbol table info available.
#24 0x00007fff8c5f0a88 in ?? ()
No symbol table info available.
#25 0x0000000000000000 in ?? ()
No symbol table info available.