. Thread 3 (Thread 0x7fb03afc3700 (LWP 7699)): #0 0x00007fb042a3cb03 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007fb041b26ff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007fb041b2745a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007fb03b80498b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so No symbol table info available. #4 0x00007fb041b489b5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007fb043c56e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007fb042a484bd 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 0x7fb03a7c2700 (LWP 7700)): #0 0x00007fb042a3cb03 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007fb041b26ff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007fb041b2745a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007fb041450326 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007fb041b489b5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007fb043c56e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007fb042a484bd 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 0x7fb044071700 (LWP 7698)): #0 0x00007fb0338d0986 in pkgCache::VerIterator::TranslatedDescription() const () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12 No symbol table info available. #1 0x00007fb033bc3715 in ?? () from /usr/lib/python2.7/dist-packages/apt_pkg.so No symbol table info available. #2 0x00000000004393b8 in ?? () No symbol table info available. #3 0x000000000043f746 in _PyObject_GenericGetAttrWithDict () No symbol table info available. #4 0x00007fb033bcd130 in _PyAptObject_getattro(_object*, _object*) () from /usr/lib/python2.7/dist-packages/apt_pkg.so No symbol table info available. #5 0x00000000005629e0 in PyEval_EvalFrameEx () No symbol table info available. #6 0x000000000056a166 in PyEval_EvalCodeEx () No symbol table info available. #7 0x000000000055f1c0 in ?? () No symbol table info available. #8 0x0000000000439da6 in PyObject_Call () No symbol table info available. #9 0x00000000004f759b in PyObject_CallFunction () No symbol table info available. #10 0x000000000043f746 in _PyObject_GenericGetAttrWithDict () No symbol table info available. #11 0x00000000005629e0 in PyEval_EvalFrameEx () No symbol table info available. #12 0x000000000056a166 in PyEval_EvalCodeEx () No symbol table info available. #13 0x000000000055f1c0 in ?? () No symbol table info available. #14 0x0000000000439da6 in PyObject_Call () No symbol table info available. #15 0x00000000004f759b in PyObject_CallFunction () No symbol table info available. #16 0x000000000043f746 in _PyObject_GenericGetAttrWithDict () No symbol table info available. #17 0x00000000004400c3 in ?? () No symbol table info available. #18 0x0000000000562ad2 in PyEval_EvalFrameEx () No symbol table info available. #19 0x000000000056a166 in PyEval_EvalCodeEx () No symbol table info available. #20 0x000000000055f1c0 in ?? () No symbol table info available. #21 0x0000000000439da6 in PyObject_Call () No symbol table info available. #22 0x00000000004f759b in PyObject_CallFunction () No symbol table info available. #23 0x00000000005229e3 in ?? () No symbol table info available. #24 0x0000000000439da6 in PyObject_Call () No symbol table info available. #25 0x000000000043b7a6 in PyEval_CallObjectWithKeywords () No symbol table info available. #26 0x00000000004b19a2 in ?? () No symbol table info available. #27 0x0000000000439da6 in PyObject_Call () No symbol table info available. #28 0x00000000005634aa in PyEval_EvalFrameEx () No symbol table info available. #29 0x000000000056a166 in PyEval_EvalCodeEx () No symbol table info available. #30 0x000000000055f1c0 in ?? () No symbol table info available. #31 0x0000000000439da6 in PyObject_Call () No symbol table info available. #32 0x00000000005775fb in PyObject_CallFunctionObjArgs () No symbol table info available. #33 0x00000000005776fe in ?? () No symbol table info available. #34 0x000000000043f746 in _PyObject_GenericGetAttrWithDict () No symbol table info available. #35 0x00000000005629e0 in PyEval_EvalFrameEx () No symbol table info available. #36 0x000000000056a166 in PyEval_EvalCodeEx () No symbol table info available. #37 0x000000000055f1c0 in ?? () No symbol table info available. #38 0x0000000000439da6 in PyObject_Call () No symbol table info available. #39 0x0000000000525635 in ?? () No symbol table info available. #40 0x0000000000439da6 in PyObject_Call () No symbol table info available. #41 0x000000000043b7a6 in PyEval_CallObjectWithKeywords () No symbol table info available. #42 0x00007fb042265466 in ?? () from /usr/lib/python2.7/dist-packages/gi/_gi.so No symbol table info available. #43 0x00007fb041de3c82 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #44 0x00007fb041df4d51 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #45 0x00007fb041dfd079 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #46 0x00007fb041dfd222 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #47 0x00007fb03fcd3c3f in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #48 0x00007fb03fcd6ac0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #49 0x00007fb041de3c82 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #50 0x00007fb041df4d51 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #51 0x00007fb041dfd079 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #52 0x00007fb041dfd222 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #53 0x00007fb03fbbfc7d in gtk_list_store_remove () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #54 0x00007fb03fbc042f in gtk_list_store_clear () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #55 0x00007fb041184a14 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6 No symbol table info available. #56 0x00007fb041184435 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6 No symbol table info available. #57 0x00007fb04202ca59 in ?? () from /usr/lib/libgirepository-1.0.so.1 No symbol table info available. #58 0x00007fb04202de0e in g_function_info_invoke () from /usr/lib/libgirepository-1.0.so.1 No symbol table info available. #59 0x00007fb042266d48 in ?? () from /usr/lib/python2.7/dist-packages/gi/_gi.so No symbol table info available. #60 0x00000000005670e9 in PyEval_EvalFrameEx () No symbol table info available. #61 0x000000000056a166 in PyEval_EvalCodeEx () No symbol table info available. #62 0x000000000056312e in PyEval_EvalFrameEx () No symbol table info available. #63 0x0000000000563070 in PyEval_EvalFrameEx () No symbol table info available. #64 0x000000000056a166 in PyEval_EvalCodeEx () No symbol table info available. #65 0x000000000055f1c0 in ?? () No symbol table info available. #66 0x0000000000439da6 in PyObject_Call () No symbol table info available. #67 0x0000000000525635 in ?? () No symbol table info available. #68 0x0000000000439da6 in PyObject_Call () No symbol table info available. #69 0x000000000043b7a6 in PyEval_CallObjectWithKeywords () No symbol table info available. #70 0x00007fb0404e0e48 in ?? () from /usr/lib/python2.7/dist-packages/gi/_gobject/_gobject.so No symbol table info available. #71 0x00007fb041de3c82 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #72 0x00007fb041df4d51 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #73 0x00007fb041dfc269 in g_signal_emitv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #74 0x00007fb0404d859a in ?? () from /usr/lib/python2.7/dist-packages/gi/_gobject/_gobject.so No symbol table info available. #75 0x0000000000562ad2 in PyEval_EvalFrameEx () No symbol table info available. #76 0x000000000056a166 in PyEval_EvalCodeEx () No symbol table info available. #77 0x000000000055f1c0 in ?? () No symbol table info available. #78 0x0000000000439da6 in PyObject_Call () No symbol table info available. #79 0x0000000000525635 in ?? () No symbol table info available. #80 0x0000000000439da6 in PyObject_Call () No symbol table info available. #81 0x000000000043b7a6 in PyEval_CallObjectWithKeywords () No symbol table info available. #82 0x00007fb0404e0e48 in ?? () from /usr/lib/python2.7/dist-packages/gi/_gobject/_gobject.so No symbol table info available. #83 0x00007fb041de3c82 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #84 0x00007fb041df4d51 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #85 0x00007fb041dfc269 in g_signal_emitv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #86 0x00007fb0404d859a in ?? () from /usr/lib/python2.7/dist-packages/gi/_gobject/_gobject.so No symbol table info available. #87 0x0000000000562ad2 in PyEval_EvalFrameEx () No symbol table info available. #88 0x000000000056a166 in PyEval_EvalCodeEx () No symbol table info available. #89 0x000000000055f1c0 in ?? () No symbol table info available. #90 0x0000000000439da6 in PyObject_Call () No symbol table info available. #91 0x0000000000525635 in ?? () No symbol table info available. #92 0x0000000000439da6 in PyObject_Call () No symbol table info available. #93 0x000000000043b7a6 in PyEval_CallObjectWithKeywords () No symbol table info available. #94 0x00007fb0404e0e48 in ?? () from /usr/lib/python2.7/dist-packages/gi/_gobject/_gobject.so No symbol table info available. #95 0x00007fb041de3c82 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #96 0x00007fb041df4d51 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #97 0x00007fb041dfc269 in g_signal_emitv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #98 0x00007fb0404d859a in ?? () from /usr/lib/python2.7/dist-packages/gi/_gobject/_gobject.so No symbol table info available. #99 0x0000000000562ad2 in PyEval_EvalFrameEx () No symbol table info available. #100 0x000000000056a166 in PyEval_EvalCodeEx () No symbol table info available. #101 0x000000000055f2f4 in ?? () No symbol table info available. #102 0x0000000000439da6 in PyObject_Call () No symbol table info available. #103 0x0000000000564b9b in PyEval_EvalFrameEx () No symbol table info available. #104 0x0000000000563070 in PyEval_EvalFrameEx () No symbol table info available. #105 0x000000000056a166 in PyEval_EvalCodeEx () No symbol table info available. #106 0x000000000055f1c0 in ?? () No symbol table info available. #107 0x0000000000439da6 in PyObject_Call () No symbol table info available. #108 0x0000000000525635 in ?? () No symbol table info available. #109 0x0000000000439da6 in PyObject_Call () No symbol table info available. #110 0x00000000005775fb in PyObject_CallFunctionObjArgs () No symbol table info available. #111 0x00007fb03315ba4b in ?? () from /usr/lib/python2.7/dist-packages/_dbus_bindings.so No symbol table info available. #112 0x00007fb03315c64a in ?? () from /usr/lib/python2.7/dist-packages/_dbus_bindings.so No symbol table info available. #113 0x00007fb03994c9a6 in dbus_connection_dispatch () from /lib/x86_64-linux-gnu/libdbus-1.so.3 No symbol table info available. #114 0x00007fb032b22425 in ?? () from /usr/lib/x86_64-linux-gnu/libdbus-glib-1.so.2 No symbol table info available. #115 0x00007fb041b26c9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #116 0x00007fb041b27060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #117 0x00007fb041b2745a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #118 0x00007fb03fbc2edd in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #119 0x00007fb041184a14 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6 No symbol table info available. #120 0x00007fb041184435 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6 No symbol table info available. #121 0x00007fb04202ca59 in ?? () from /usr/lib/libgirepository-1.0.so.1 No symbol table info available. #122 0x00007fb04202de0e in g_function_info_invoke () from /usr/lib/libgirepository-1.0.so.1 No symbol table info available. #123 0x00007fb042266d48 in ?? () from /usr/lib/python2.7/dist-packages/gi/_gi.so No symbol table info available. #124 0x00000000005670e9 in PyEval_EvalFrameEx () No symbol table info available. #125 0x000000000056a166 in PyEval_EvalCodeEx () No symbol table info available. #126 0x000000000056312e in PyEval_EvalFrameEx () No symbol table info available. #127 0x0000000000563070 in PyEval_EvalFrameEx () No symbol table info available. #128 0x000000000056a166 in PyEval_EvalCodeEx () No symbol table info available. #129 0x000000000055f10b in ?? () No symbol table info available. #130 0x000000000055f9d4 in PyRun_FileExFlags () No symbol table info available. #131 0x000000000055fc41 in PyRun_SimpleFileExFlags () No symbol table info available. #132 0x000000000056102d in Py_Main () No symbol table info available. #133 0x00007fb04297776d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #134 0x000000000041b971 in _start () No symbol table info available.