.
Thread 3 (Thread 1937):
#0  0x00007f65568070c3 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f6556b17d68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f6556b18592 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f654af84a0b in ?? () from /usr/lib/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f6556b3d256 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f6556291d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f655681420d 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 1930):
#0  0x00007f65568070c3 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f6556b17d68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f6556b18592 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f6557a6c6f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f6556b3d256 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f6556291d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f655681420d 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 1928):
#0  0x00007f655754b2ef in g_object_ref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#1  0x00007f65582fc2ae in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#2  0x00007f65582fc42d in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#3  0x00007f65582fc42d in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#4  0x00007f65582fc51b in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#5  0x0000000001828900 in ?? ()
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.