. Thread 4 (Thread 0x7f02d326d700 (LWP 31379)): #0 0x00007f02e551304c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #1 0x00007f02d7f7a0e9 in ?? () from /usr/lib/libwebkitgtk-3.0.so.0 No symbol table info available. #2 0x00007f02d7f7b899 in ?? () from /usr/lib/libwebkitgtk-3.0.so.0 No symbol table info available. #3 0x00007f02e550eefc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #4 0x00007f02e43a689d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #5 0x0000000000000000 in ?? () No symbol table info available. . Thread 3 (Thread 0x7f02d3b6e700 (LWP 31378)): #0 0x00007f02e551304c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #1 0x00007f02d8843202 in ?? () from /usr/lib/libwebkitgtk-3.0.so.0 No symbol table info available. #2 0x00007f02d8843229 in ?? () from /usr/lib/libwebkitgtk-3.0.so.0 No symbol table info available. #3 0x00007f02e550eefc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #4 0x00007f02e43a689d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #5 0x0000000000000000 in ?? () No symbol table info available. . Thread 2 (Thread 0x7f02e5920720 (LWP 31377)): #0 0x00007f02e05cab1d in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6 No symbol table info available. #1 0x00007f02e05c7bed in XTranslateCoordinates () from /usr/lib/x86_64-linux-gnu/libX11.so.6 No symbol table info available. #2 0x00007f02e0b20d7f in ?? () from /usr/lib/libgdk-3.so.0 No symbol table info available. #3 0x00007f02e0afbb42 in gdk_window_get_origin () from /usr/lib/libgdk-3.so.0 No symbol table info available. #4 0x00007f02e0af683b in gdk_screen_get_monitor_at_window () from /usr/lib/libgdk-3.so.0 No symbol table info available. #5 0x00007f02e0fdf7a1 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #6 0x00007f02e0fe1c67 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #7 0x00007f02e35470a4 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #8 0x00007f02e355881a in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #9 0x00007f02e35626b1 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #10 0x00007f02e3562852 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #11 0x00007f02e0fd6510 in gtk_widget_show () from /usr/lib/libgtk-3.so.0 No symbol table info available. #12 0x00007f02e0e20d38 in gtk_dialog_run () from /usr/lib/libgtk-3.so.0 No symbol table info available. #13 0x00007f02e28f4a14 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6 No symbol table info available. #14 0x00007f02e28f4435 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6 No symbol table info available. #15 0x00007f02e3792790 in ?? () from /usr/lib/libgirepository-1.0.so.1 No symbol table info available. #16 0x00007f02e3793a4e in g_function_info_invoke () from /usr/lib/libgirepository-1.0.so.1 No symbol table info available. #17 0x00007f02e39cc448 in ?? () from /usr/lib/python2.7/dist-packages/gi/_gi.so No symbol table info available. #18 0x00000000004ba28e in PyEval_EvalFrameEx () No symbol table info available. #19 0x00000000004bd43c in PyEval_EvalCodeEx () No symbol table info available. #20 0x00000000004b6b4b in PyEval_EvalFrameEx () No symbol table info available. #21 0x00000000004bce3d in PyEval_EvalCodeEx () No symbol table info available. #22 0x00000000004b6b4b in PyEval_EvalFrameEx () No symbol table info available. #23 0x00000000004bd43c in PyEval_EvalCodeEx () No symbol table info available. #24 0x00000000004b6b4b in PyEval_EvalFrameEx () No symbol table info available. #25 0x00000000004bce3d in PyEval_EvalCodeEx () No symbol table info available. #26 0x00000000004490c8 in ?? () No symbol table info available. #27 0x000000000041ad3a in PyObject_Call () No symbol table info available. #28 0x00000000004b85ad in PyEval_EvalFrameEx () No symbol table info available. #29 0x00000000004bd43c in PyEval_EvalCodeEx () No symbol table info available. #30 0x00000000004b6b4b in PyEval_EvalFrameEx () No symbol table info available. #31 0x00000000004b6e67 in PyEval_EvalFrameEx () No symbol table info available. #32 0x00000000004b6e67 in PyEval_EvalFrameEx () No symbol table info available. #33 0x00000000004bce3d in PyEval_EvalCodeEx () No symbol table info available. #34 0x00000000004bd922 in PyEval_EvalCode () No symbol table info available. #35 0x00000000004dcd42 in ?? () No symbol table info available. #36 0x00000000004dd904 in PyRun_FileExFlags () No symbol table info available. #37 0x00000000004de40e in PyRun_SimpleFileExFlags () No symbol table info available. #38 0x00000000004ee80d in Py_Main () No symbol table info available. #39 0x00007f02e42e630d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #40 0x000000000041cb79 in _start () No symbol table info available. . Thread 1 (Thread 0x7f02cf1ea700 (LWP 31392)): #0 0x00007f02e42fb3a5 in raise () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f02e42feb0b in abort () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x00007f02e42f3d4d in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #3 0x00007f02e05c9b79 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6 No symbol table info available. #4 0x00007f02e05cacbc in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6 No symbol table info available. #5 0x00007f02e05c61f3 in XSync () from /usr/lib/x86_64-linux-gnu/libX11.so.6 No symbol table info available. #6 0x00007f02e0b16e66 in ?? () from /usr/lib/libgdk-3.so.0 No symbol table info available. #7 0x00007f02e0b17394 in ?? () from /usr/lib/libgdk-3.so.0 No symbol table info available. #8 0x00007f02e0b02ded in ?? () from /usr/lib/libgdk-3.so.0 No symbol table info available. #9 0x00007f02e0b03200 in gdk_window_process_all_updates () from /usr/lib/libgdk-3.so.0 No symbol table info available. #10 0x00007f02e0b03279 in ?? () from /usr/lib/libgdk-3.so.0 No symbol table info available. #11 0x00007f02e0ae932f in ?? () from /usr/lib/libgdk-3.so.0 No symbol table info available. #12 0x00007f02e3286a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #13 0x00007f02e3287258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #14 0x00007f02e3287429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #15 0x00007f02e0e9ceb5 in gtk_main_iteration () from /usr/lib/libgtk-3.so.0 No symbol table info available. #16 0x00007f02e28f4a14 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6 No symbol table info available. #17 0x00007f02e28f4435 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6 No symbol table info available. #18 0x00007f02e3792790 in ?? () from /usr/lib/libgirepository-1.0.so.1 No symbol table info available. #19 0x00007f02e3793a4e in g_function_info_invoke () from /usr/lib/libgirepository-1.0.so.1 No symbol table info available. #20 0x00007f02e39cc448 in ?? () from /usr/lib/python2.7/dist-packages/gi/_gi.so No symbol table info available. #21 0x00000000004ba28e in PyEval_EvalFrameEx () No symbol table info available. #22 0x00000000004bd43c in PyEval_EvalCodeEx () No symbol table info available. #23 0x00000000004b6b4b in PyEval_EvalFrameEx () No symbol table info available. #24 0x00000000004b6e67 in PyEval_EvalFrameEx () No symbol table info available. #25 0x00000000004bce3d in PyEval_EvalCodeEx () No symbol table info available. #26 0x00000000004490c8 in ?? () No symbol table info available. #27 0x000000000041ad3a in PyObject_Call () No symbol table info available. #28 0x00000000004b85ad in PyEval_EvalFrameEx () No symbol table info available. #29 0x00000000004b6e67 in PyEval_EvalFrameEx () No symbol table info available. #30 0x00000000004b6e67 in PyEval_EvalFrameEx () No symbol table info available. #31 0x00000000004bce3d in PyEval_EvalCodeEx () No symbol table info available. #32 0x0000000000448f0f in ?? () No symbol table info available. #33 0x000000000041ad3a in PyObject_Call () No symbol table info available. #34 0x000000000043078e in ?? () No symbol table info available. #35 0x000000000041ad3a in PyObject_Call () No symbol table info available. #36 0x00000000004b5e66 in PyEval_CallObjectWithKeywords () No symbol table info available. #37 0x00000000004f0800 in ?? () No symbol table info available. #38 0x00007f02e550eefc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #39 0x00007f02e43a689d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #40 0x0000000000000000 in ?? () No symbol table info available.