.
Thread 3 (Thread 0x7f807754b700 (LWP 22651)):
#0  0x00007f808942fd93 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f80877fd136 in g_main_context_poll (n_fds=3, fds=0x7f80680010c0, timeout=-1, context=0x7f8070007a60, priority=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3412
        poll_func = 0x7f808780a0b0 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7f8070007a60, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7f80680010c0
        max_priority = 2147483647
        nfds = 3
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x7f8070007a60, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
        some_ready = 1744834752
#4  0x00007f80877fd59a in g_main_loop_run (loop=0x7f8070008fc0) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f8085a18426 in gdbus_shared_thread_func (user_data=0x7f8070007a30) at /build/buildd/glib2.0-2.31.20/./gio/gdbusprivate.c:276
        data = 0x7f8070007a30
#6  0x00007f808781e7f5 in g_thread_proxy (data=0x7f8070006cf0) at /build/buildd/glib2.0-2.31.20/./glib/gthread.c:801
        thread = 0x7f8070006cf0
#7  0x00007f808a625e9a in start_thread (arg=0x7f807754b700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f807754b700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -3371710548527493455, 140189742972064, 140189734582720, 0, 3, 3329754105512251057, 3329378222337216177}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f808943b74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f806ffff700 (LWP 29673)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
No locals.
#1  0x00007f80878387a5 in g_cond_wait_until (cond=0x227a358, mutex=<optimized out>, end_time=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gthread-posix.c:855
        ts = {tv_sec = 3792, tv_nsec = 193990000}
        status = <optimized out>
#2  0x00007f80877d3271 in g_async_queue_pop_intern_unlocked (queue=0x227a350, wait=1, end_time=3792193990) at /build/buildd/glib2.0-2.31.20/./glib/gasyncqueue.c:424
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007f80877d388a in g_async_queue_timeout_pop (queue=0x227a350, timeout=15000000) at /build/buildd/glib2.0-2.31.20/./glib/gasyncqueue.c:545
        end_time = 3792193990
        retval = <optimized out>
#4  0x00007f808781ef74 in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.31.20/./glib/gthreadpool.c:169
        pool = <optimized out>
        local_max_idle_time = 15000
        local_wakeup_thread_serial = <optimized out>
        local_max_unused_threads = 2
        last_wakeup_thread_serial = 0
        have_relayed_thread_marker = 0
#5  g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gthreadpool.c:366
        free_pool = <optimized out>
        task = 0x2
        pool = <optimized out>
#6  0x00007f808781e7f5 in g_thread_proxy (data=0x1c7d6d0) at /build/buildd/glib2.0-2.31.20/./glib/gthread.c:801
        thread = 0x1c7d6d0
#7  0x00007f808a625e9a in start_thread (arg=0x7f806ffff700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f806ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -3371710548527493455, 140734989282432, 140189611588032, 30473072, 3, 3329735592055721649, 3329378222337216177}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f808943b74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f808aa44700 (LWP 22649)):
#0  __GI_fileno (fp=0x0) at fileno.c:37
No locals.
#1  0x00007f807ee4cd4d in PPD_dealloc (self=0x7f805dbac090) at cupsppd.c:239
No locals.
#2  0x000000000047c294 in type_call ()
No locals.
#3  0x000000000041aefa in PyObject_Call ()
No locals.
#4  0x00000000004b70ae in PyEval_EvalFrameEx ()
No locals.
#5  0x00000000004b6b97 in PyEval_EvalFrameEx ()
No locals.
#6  0x00000000004bcd0d in PyEval_EvalCodeEx ()
No locals.
#7  0x00000000004b6c5e in PyEval_EvalFrameEx ()
No locals.
#8  0x00000000004bcd0d in PyEval_EvalCodeEx ()
No locals.
#9  0x000000000044931f in function_call ()
No locals.
#10 0x000000000041aefa in PyObject_Call ()
No locals.
#11 0x0000000000430aae in instancemethod_call ()
No locals.
#12 0x000000000041aefa in PyObject_Call ()
No locals.
#13 0x00000000004b5d96 in PyEval_CallObjectWithKeywords ()
No locals.
#14 0x00007f8086ea4438 in pyg_closure_marshal (closure=0x1dcb020, return_value=0x0, n_param_values=1, param_values=0x275a960, invocation_hint=<optimized out>, marshal_data=<optimized out>) at /build/buildd/pygobject-2-2.28.6/gobject/pygtype.c:1216
        state = PyGILState_UNLOCKED
        pc = 0x1dcb020
        params = (<gtk.Button at remote 0x1f85b40>,)
        ret = <optimized out>
        i = <optimized out>
        __PRETTY_FUNCTION__ = "pyg_closure_marshal"
#15 0x00007f8086c49e72 in g_closure_invoke (closure=0x1dcb020, return_value=0x0, n_param_values=1, param_values=0x275a960, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:777
        marshal = 0x7f8086ea4360 <pyg_closure_marshal>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        real_closure = 0x1dcb000
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#16 0x00007f8086c5b943 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x275a960) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3547
        tmp = <optimized out>
        handler = 0x1f6e530
        accumulator = 0x0
        emission = {next = 0x7fff6b0b4f30, instance = 0x1da10c0, ihint = {signal_id = 105, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x18c8630
        hlist = 0x1ef7288
        handler_list = 0x1f6e530
        return_accu = 0x0
        accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        signal_id = 105
        max_sequential_handler_number = 4085
        return_value_altered = 1
#17 0x00007f8086c640ad in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3295
        instance_and_params = 0x275a960
        signal_return_type = 4
        param_values = 0x275a978
        node = 0x18c8660
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#18 0x00007f8086c642e2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff6b0b4e00, reg_save_area = 0x7fff6b0b4d40}}
#19 0x00007f8085fe1865 in gtk_real_button_released (button=0x1da10c0) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkbutton.c:1725
No locals.
#20 gtk_real_button_released (button=0x1da10c0) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkbutton.c:1715
No locals.
#21 0x00007f8086c49e72 in g_closure_invoke (closure=0x18c8570, return_value=0x0, n_param_values=1, param_values=0x21b66a0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:777
        marshal = 0x7f8086c48a90 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        real_closure = 0x18c8550
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#22 0x00007f8086c5bd28 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x21b66a0) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3477
        accumulator = 0x0
        emission = {next = 0x7fff6b0b5430, instance = 0x1da10c0, ihint = {signal_id = 104, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 24012736}
        class_closure = 0x18c8570
        hlist = 0x1ef7288
        handler_list = <optimized out>
        return_accu = 0x0
        accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        signal_id = 104
        max_sequential_handler_number = 4085
        return_value_altered = <optimized out>
#23 0x00007f8086c640ad in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3295
        instance_and_params = 0x21b66a0
        signal_return_type = 4
        param_values = 0x21b66b8
        node = 0x18c85a0
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#24 0x00007f8086c642e2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff6b0b52d0, reg_save_area = 0x7fff6b0b5210}}
#25 0x00007f8085fe068d in gtk_button_button_release (widget=<optimized out>, event=<optimized out>) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkbutton.c:1617
        button = <optimized out>
#26 0x00007f8086089de8 in _gtk_marshal_BOOLEAN__BOXED (closure=0x18b4ca0, return_value=0x7fff6b0b5480, n_param_values=<optimized out>, param_values=0x2613920, invocation_hint=<optimized out>, marshal_data=<optimized out>) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkmarshalers.c:86
        callback = 0x7f8085fe0670 <gtk_button_button_release>
        cc = 0x18b4ca0
        data1 = 0x1da10c0
        data2 = <optimized out>
        v_return = <optimized out>
        __PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXED"
#27 0x00007f8086c49e72 in g_closure_invoke (closure=0x18b4ca0, return_value=0x7fff6b0b5480, n_param_values=2, param_values=0x2613920, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:777
        marshal = 0x7f8086c48a90 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        real_closure = 0x18b4c80
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#28 0x00007f8086c5bf18 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x7fff6b0b5690, instance_and_params=0x2613920) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3585
        accumulator = 0x18b4cf0
        emission = {next = 0x0, instance = 0x1da10c0, ihint = {signal_id = 34, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 24012736}
        class_closure = 0x18b4ca0
        hlist = 0x1ef7288
        handler_list = 0x0
        return_accu = 0x7fff6b0b5480
        accu = {g_type = 20, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        signal_id = 34
        max_sequential_handler_number = 4085
        return_value_altered = 0
#29 0x00007f8086c63797 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3305
        return_value = {g_type = 20, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        error = 0x0
        rtype = 20
        static_scope = 0
        instance_and_params = 0x2613920
        signal_return_type = 20
        param_values = 0x2613938
        node = 0x18b4f10
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#30 0x00007f8086c642e2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff6b0b57d0, reg_save_area = 0x7fff6b0b5710}}
#31 0x00007f80861a41a1 in gtk_widget_event_internal (widget=0x1da10c0, event=0x7f8070002650) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkwidget.c:4992
        signal_num = <optimized out>
        return_val = 0
#32 0x00007f8086087f73 in IA__gtk_propagate_event (widget=0x1da10c0, event=0x7f8070002650) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkmain.c:2567
        tmp = <optimized out>
        handled_event = <optimized out>
        __PRETTY_FUNCTION__ = "IA__gtk_propagate_event"
#33 0x00007f80860882d3 in IA__gtk_main_do_event (event=0x7f8070002650) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkmain.c:1757
        event_widget = <optimized out>
        grab_widget = 0x1da10c0
        window_group = <optimized out>
        rewritten_event = <optimized out>
        tmp_list = <optimized out>
        __PRETTY_FUNCTION__ = "IA__gtk_main_do_event"
#34 0x00007f8085cfccac in gdk_event_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+2.0-2.24.10/gdk/x11/gdkevents-x11.c:2377
        display = <optimized out>
        event = 0x7f8070002650
#35 0x00007f80877fcdda in g_main_dispatch (context=0x1882960) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:2510
        dispatch = 0x7f8085cfcc60 <gdk_event_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x1882870, next = 0x0}
        need_destroy = <optimized out>
        source = 0x1882870
        current = 0x1d39790
        i = <optimized out>
#36 g_main_context_dispatch (context=0x1882960) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3047
No locals.
#37 0x00007f80877fd1a0 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x1882960, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3118
        timeout = 35242
        some_ready = 1
        fds = <optimized out>
        max_priority = 2147483647
        nfds = 8
        allocated_nfds = <optimized out>
#38 g_main_context_iterate (context=0x1882960, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
        some_ready = 1
#39 0x00007f80877fd59a in g_main_loop_run (loop=0x1ed1b80) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#40 0x00007f8086087307 in IA__gtk_main () at /build/buildd/gtk+2.0-2.24.10/gtk/gtkmain.c:1329
        tmp_list = <optimized out>
        functions = 0x0
        init = <optimized out>
        loop = 0x1ed1b80
#41 0x00007f8086739046 in _wrap_gtk_main (self=<optimized out>) at /build/buildd/pygtk-2.24.0/gtk/gtk.override:1240
        _save = 0x123c0a0
        main_watch = 0x2090820
#42 0x00000000004b78ab in PyEval_EvalFrameEx ()
No locals.
#43 0x00000000004b6b97 in PyEval_EvalFrameEx ()
No locals.
#44 0x00000000004bcd0d in PyEval_EvalCodeEx ()
No locals.
#45 0x00000000004bd7e2 in PyEval_EvalCode ()
No locals.
#46 0x00000000004dcc52 in run_mod ()
No locals.
#47 0x00000000004dd814 in PyRun_FileExFlags ()
No locals.
#48 0x00000000004de28e in PyRun_SimpleFileExFlags ()
No locals.
#49 0x00000000004ee6dd in Py_Main ()
No locals.
#50 0x00007f808936c76d in __libc_start_main (main=0x41ac10 <main>, argc=2, ubp_av=0x7fff6b0b6078, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff6b0b6068) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -3371710548527493455, 4312592, 140734989295728, 0, 0, 3371948211623481009, 3329379978214428337}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x53c4f0, 0x7fff6b0b6078}, data = {prev = 0x0, cleanup = 0x0, canceltype = 5489904}}}
        not_first_call = <optimized out>
#51 0x000000000041ce39 in _start ()
No locals.