.
Thread 4 (Thread 0x7f105fbcc700 (LWP 1796)):
#0  0x00007f106b4d4b03 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f106ba100e6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f106ba1054a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f106bfe1656 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f106ba31cd5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f106b7b2e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f106b4e04bd 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 3 (Thread 0x7f10655bd700 (LWP 1795)):
#0  0x00007f106b4d4b03 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f106ba100e6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f106ba1054a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f1065dfe98b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f106ba31cd5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f106b7b2e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f106b4e04bd 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 0x7f104ffff700 (LWP 1813)):
#0  0x00007f106b4d4b03 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f106ba100e6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f106ba10214 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f106ba10261 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f106ba31cd5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f106b7b2e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f106b4e04bd 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 0x7f106d168940 (LWP 1793)):
#0  0x00007f104ae7835b in ?? () from /usr/lib/gnome-settings-daemon-3.0/libmedia-keys.so
No symbol table info available.
#1  0x00007f104ae78dae in ?? () from /usr/lib/gnome-settings-daemon-3.0/libmedia-keys.so
No symbol table info available.
#2  0x00007f106bf7f97d in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#3  0x00007f106bfdd166 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f106bf7f97d in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#5  0x00007f106bfd31ea in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#6  0x00007f106bf7f97d in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#7  0x00007f106bf7faac in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#8  0x00007f106ba0fd8a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#9  0x00007f106ba10150 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007f106ba1054a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#11 0x00007f106c3ffd8d in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#12 0x0000000000403801 in main ()
No symbol table info available.