. Thread 3 (Thread 0x7eff4faa1700 (LWP 3338)): #0 0x00007eff5cf6b733 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007eff5bcf8bf6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007eff5bcf905a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007eff5b82b4c6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007eff5bd1a0a5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007eff5e0deefc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007eff5cf7785d 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 0x7eff50aa3700 (LWP 3336)): #0 0x00007eff5cf6b733 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007eff5bcf8bf6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007eff5bcf905a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007eff50aa87bb in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so No symbol table info available. #4 0x00007eff5bd1a0a5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007eff5e0deefc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007eff5cf7785d 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 0x7eff5e4f8720 (LWP 3257)): #0 0x00007eff53c92c0b in ?? () from /usr/lib/liboverlay-scrollbar-0.2.so.0 No symbol table info available. #1 0x00007eff5bfb2154 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #2 0x00007eff5bfc1ea5 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #3 0x00007eff5bfc987b in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #4 0x00007eff5bfc9a42 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #5 0x00007eff5bfb5287 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #6 0x00007eff5bfb6c83 in g_object_notify () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #7 0x00007eff5910c323 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #8 0x00007eff5909cd85 in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #9 0x00007eff58d1105c in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 No symbol table info available. #10 0x00007eff5bcf889a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #11 0x00007eff5bcf8c60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #12 0x00007eff5bcf905a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #13 0x00007eff5909bc57 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #14 0x00007eff5974f056 in ?? () from /usr/lib/python2.7/dist-packages/gtk-2.0/gtk/_gtk.so No symbol table info available. #15 0x00000000004b72f7 in PyEval_EvalFrameEx () No symbol table info available. #16 0x00000000004b6fc7 in PyEval_EvalFrameEx () No symbol table info available. #17 0x00000000004bcedd in PyEval_EvalCodeEx () No symbol table info available. #18 0x00000000004bd9b2 in PyEval_EvalCode () No symbol table info available. #19 0x00000000004dce62 in ?? () No symbol table info available. #20 0x00000000004dda24 in PyRun_FileExFlags () No symbol table info available. #21 0x00000000004de52e in PyRun_SimpleFileExFlags () No symbol table info available. #22 0x00000000004ee8bd in Py_Main () No symbol table info available. #23 0x00007eff5ceb730d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #24 0x000000000041cd09 in _start () No symbol table info available.