$ gdb -batch -n -ex 'set pagination off' -ex bt -ex 'thread apply all bt full' --core /var/crash/1000/6931-1000-1000-11-1507433521-chianamo--usr-bin-gnome-disks.core /usr/bin/gnome-disks
[New LWP 6931]
[New LWP 6979]
[New LWP 6978]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/gnome-disks --gapplication-service'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f0f52b15f4f in g_dbus_object_get_interface (object=0x0, interface_name=0x7f0f525c8538 "org.freedesktop.UDisks2.PartitionTable") at ../../../../gio/gdbusobject.c:149
149	../../../../gio/gdbusobject.c: No such file or directory.
[Current thread is 1 (Thread 0x7f0f534c3240 (LWP 6931))]
#0  0x00007f0f52b15f4f in g_dbus_object_get_interface (object=0x0, interface_name=0x7f0f525c8538 "org.freedesktop.UDisks2.PartitionTable") at ../../../../gio/gdbusobject.c:149
#1  0x00007f0f525c03f3 in udisks_object_get_partition_table (object=object@entry=0x0) at udisks-generated.c:35307
#2  0x0000558c1f3df117 in gdu_utils_get_all_contained_objects (client=client@entry=0x558c207e86c0 [UDisksClient], object=object@entry=0x558c207d6340) at ../src/libgdu/gduutils.c:1180
#3  0x0000558c1f3b6360 in gdu_application_has_running_job (application=0x558c2053a190 [GduApplication], object=0x558c207d6340) at ../src/disks/gduapplication.c:575
#4  0x0000558c1f3d3071 in update_jobs (window=0x558c205eb6a0 [GduWindow], jobs=0x0, is_volume=<optimized out>, is_delayed_job_update=0) at ../src/disks/gduwindow.c:1962
#5  0x0000558c1f3d4a66 in update_device_page_for_drive (is_delayed_job_update=0, show_flags=0x7fffa9a45540, drive=0x558c206416b0, object=0x558c207d6340, window=0x558c205eb6a0 [GduWindow]) at ../src/disks/gduwindow.c:2182
#6  0x0000558c1f3d4a66 in update_device_page (is_delayed_job_update=0, show_flags=0x7fffa9a45540, window=0x558c205eb6a0 [GduWindow]) at ../src/disks/gduwindow.c:3063
#7  0x0000558c1f3d4a66 in update_all (window=0x558c205eb6a0 [GduWindow], is_delayed_job_update=0) at ../src/disks/gduwindow.c:1783
#11 0x00007f0f52817f1f in <emit signal ??? on instance 0x558c2054d390 [GduVolumeGrid]> (instance=instance@entry=0x558c2054d390, signal_id=<optimized out>, detail=detail@entry=0) at ../../../../gobject/gsignal.c:3447
    #8  0x00007f0f527fbf9d in g_closure_invoke (closure=0x558c207bc7f0, return_value=0x0, n_param_values=1, param_values=0x7fffa9a45780, invocation_hint=0x7fffa9a45700) at ../../../../gobject/gclosure.c:804
    #9  0x00007f0f5280ed2e in signal_emit_unlocked_R (node=node@entry=0x558c207c1b80, detail=detail@entry=0, instance=instance@entry=0x558c2054d390, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffa9a45780) at ../../../../gobject/gsignal.c:3635
    #10 0x00007f0f52817505 in g_signal_emit_valist (instance=0x558c2054d390, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffa9a45940) at ../../../../gobject/gsignal.c:3391
#12 0x0000558c1f3d20ec in recompute_grid (grid=grid@entry=0x558c2054d390 [GduVolumeGrid]) at ../src/disks/gduvolumegrid.c:1501
#13 0x0000558c1f3d2549 in gdu_volume_grid_set_block_object (grid=0x558c2054d390 [GduVolumeGrid], block_object=block_object@entry=0x0) at ../src/disks/gduvolumegrid.c:622
#14 0x0000558c1f3d55b3 in device_page_ensure_grid (window=0x558c205eb6a0 [GduWindow]) at ../src/disks/gduwindow.c:2984
#15 0x0000558c1f3d55b3 in update_device_page (is_delayed_job_update=0, show_flags=0x7fffa9a45ac0, window=0x558c205eb6a0 [GduWindow]) at ../src/disks/gduwindow.c:3051
#16 0x0000558c1f3d55b3 in update_all (window=window@entry=0x558c205eb6a0 [GduWindow], is_delayed_job_update=0) at ../src/disks/gduwindow.c:1783
#17 0x0000558c1f3d5dbf in select_object (window=window@entry=0x558c205eb6a0 [GduWindow], object=<optimized out>) at ../src/disks/gduwindow.c:553
#18 0x0000558c1f3d8ef3 in on_tree_selection_changed (tree_selection=0x558c207d0b50 [GtkTreeSelection], user_data=<optimized out>) at ../src/disks/gduwindow.c:604
#19 0x00007f0f527fc1d6 in _g_closure_invoke_va (closure=0x558c20790a70, return_value=0x0, instance=0x558c207d0b50, args=0x7fffa9a45e68, n_params=0, param_types=0x0) at ../../../../gobject/gclosure.c:867
#20 0x00007f0f528177ef in g_signal_emit_valist (instance=instance@entry=0x558c207d0b50, signal_id=signal_id@entry=328, detail=<optimized out>, var_args=var_args@entry=0x7fffa9a45e68) at ../../../../gobject/gsignal.c:3300
#21 0x00007f0f528183f8 in g_signal_emit_by_name (instance=0x558c207d0b50, detailed_signal=detailed_signal@entry=0x7f0f5204b201 "changed") at ../../../../gobject/gsignal.c:3487
#22 0x00007f0f51fd2f40 in gtk_tree_view_row_deleted (model=<optimized out>, path=<optimized out>, data=0x558c2081a400) at ../../../../gtk/gtktreeview.c:9381
#26 0x00007f0f52817f1f in <emit signal ??? on instance 0x558c20549400 [GduDeviceTreeModel]> (instance=instance@entry=0x558c20549400, signal_id=<optimized out>, detail=detail@entry=0) at ../../../../gobject/gsignal.c:3447
    #23 0x00007f0f527fbf9d in g_closure_invoke (closure=0x558c20790970, return_value=0x0, n_param_values=2, param_values=0x7fffa9a461d0, invocation_hint=0x7fffa9a46150) at ../../../../gobject/gclosure.c:804
    #24 0x00007f0f5280ed2e in signal_emit_unlocked_R (node=node@entry=0x558c20874f20, detail=detail@entry=0, instance=instance@entry=0x558c20549400, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffa9a461d0) at ../../../../gobject/gsignal.c:3635
    #25 0x00007f0f52817505 in g_signal_emit_valist (instance=0x558c20549400, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffa9a463a0) at ../../../../gobject/gsignal.c:3391
#27 0x00007f0f51fb0282 in gtk_tree_model_row_deleted (tree_model=tree_model@entry=0x558c20549400, path=path@entry=0x558c208eddb0) at ../../../../gtk/gtktreemodel.c:1902
#28 0x00007f0f51fc0cd9 in gtk_tree_store_remove (tree_store=0x558c20549400 [GduDeviceTreeModel], iter=iter@entry=0x7fffa9a46500) at ../../../../gtk/gtktreestore.c:1230
#29 0x0000558c1f3c3088 in remove_drive (model=model@entry=0x558c20549400 [GduDeviceTreeModel], object=object@entry=0x558c207d0aa0) at ../src/disks/gdudevicetreemodel.c:667
#30 0x0000558c1f3c3f5b in update_drives (model=model@entry=0x558c20549400 [GduDeviceTreeModel]) at ../src/disks/gdudevicetreemodel.c:983
#31 0x0000558c1f3c436f in update_all (model=0x558c20549400 [GduDeviceTreeModel]) at ../src/disks/gdudevicetreemodel.c:1312
#32 0x0000558c1f3c436f in on_client_changed (client=<optimized out>, user_data=<optimized out>) at ../src/disks/gdudevicetreemodel.c:1327
#33 0x00007f0f4e8b6038 in ffi_call_unix64 () at ../src/x86/unix64.S:76
#34 0x00007f0f4e8b5a9a in ffi_call (cif=cif@entry=0x7fffa9a467a0, fn=fn@entry=0x558c1f3c4350 <on_client_changed>, rvalue=<optimized out>, avalue=avalue@entry=0x7fffa9a466d0) at ../src/x86/ffi64.c:525
#39 0x00007f0f52817f1f in <emit signal ??? on instance 0x558c207e86c0 [UDisksClient]> (instance=<optimized out>, signal_id=<optimized out>, detail=detail@entry=0) at ../../../../gobject/gsignal.c:3447
    #35 0x00007f0f527fc799 in g_cclosure_marshal_generic (closure=0x558c20845eb0, return_gvalue=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=<optimized out>) at ../../../../gobject/gclosure.c:1490
    #36 0x00007f0f527fbf9d in g_closure_invoke (closure=0x558c20845eb0, return_value=0x0, n_param_values=1, param_values=0x7fffa9a469d0, invocation_hint=0x7fffa9a46950) at ../../../../gobject/gclosure.c:804
    #37 0x00007f0f5280ed2e in signal_emit_unlocked_R (node=node@entry=0x558c20640090, detail=detail@entry=0, instance=instance@entry=0x558c207e86c0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffa9a469d0) at ../../../../gobject/gsignal.c:3635
    #38 0x00007f0f52817505 in g_signal_emit_valist (instance=0x558c207e86c0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffa9a46b90) at ../../../../gobject/gsignal.c:3391
#40 0x00007f0f525c2d7e in on_changed_timeout (user_data=0x558c207e86c0, user_data@entry=<error reading variable: value has been optimized out>) at udisksclient.c:1458
#41 0x00007f0f52e25853 in g_timeout_dispatch (source=source@entry=0x558c206ed9f0, callback=<optimized out>, user_data=<optimized out>) at ../../../../glib/gmain.c:4633
#42 0x00007f0f52e24dd5 in g_main_dispatch (context=0x558c2053b820) at ../../../../glib/gmain.c:3148
#43 0x00007f0f52e24dd5 in g_main_context_dispatch (context=context@entry=0x558c2053b820) at ../../../../glib/gmain.c:3813
#44 0x00007f0f52e251a0 in g_main_context_iterate (context=context@entry=0x558c2053b820, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3886
#45 0x00007f0f52e2522c in g_main_context_iteration (context=context@entry=0x558c2053b820, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3947
#46 0x00007f0f52ae0b8d in g_application_run (application=0x558c2053a190 [GduApplication], argc=<optimized out>, argv=<optimized out>) at ../../../../gio/gapplication.c:2401
#47 0x0000558c1f3b4f30 in main (argc=2, argv=0x7fffa9a46f08) at ../src/disks/main.c:27

Thread 3 (Thread 0x7f0f479c4700 (LWP 6978)):
#0  0x00007f0f4f8b566d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f0f52e25119 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f0f380008c0, timeout=<optimized out>, context=0x558c20533a90) at ../../../../glib/gmain.c:4187
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7f0f52e34610 <g_poll>
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7f0f380008c0
#2  0x00007f0f52e25119 in g_main_context_iterate (context=context@entry=0x558c20533a90, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3881
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7f0f380008c0
#3  0x00007f0f52e2522c in g_main_context_iteration (context=0x558c20533a90, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3947
        retval = <optimized out>
#4  0x00007f0f52e25271 in glib_worker_main (data=<optimized out>) at ../../../../glib/gmain.c:5742
#5  0x00007f0f52e4c5f5 in g_thread_proxy (data=0x558c20541850) at ../../../../glib/gthread.c:784
        thread = 0x558c20541850
#6  0x00007f0f4fb7a494 in start_thread (arg=0x7f0f479c4700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f0f479c4700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139703602661120, 7570512453395103070, 0, 140736039512127, 0, 139703799078976, -7561170150183322274, -7561187978845668002}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f0f4f8beabf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 2 (Thread 0x7f0f471c3700 (LWP 6979)):
#0  0x00007f0f4f8b566d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f0f52e25119 in g_main_context_poll (priority=<optimized out>, n_fds=3, fds=0x7f0f400010c0, timeout=<optimized out>, context=0x558c20551af0) at ../../../../glib/gmain.c:4187
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7f0f52e34610 <g_poll>
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = 3
        fds = 0x7f0f400010c0
#2  0x00007f0f52e25119 in g_main_context_iterate (context=0x558c20551af0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3881
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = 3
        fds = 0x7f0f400010c0
#3  0x00007f0f52e254b2 in g_main_loop_run (loop=0x558c2054e620) at ../../../../glib/gmain.c:4082
        __func__ = "g_main_loop_run"
#4  0x00007f0f52b0ca76 in gdbus_shared_thread_func (user_data=0x558c205533b0) at ../../../../gio/gdbusprivate.c:275
        data = 0x558c205533b0
#5  0x00007f0f52e4c5f5 in g_thread_proxy (data=0x558c205418f0) at ../../../../glib/gthread.c:784
        thread = 0x558c205418f0
#6  0x00007f0f4fb7a494 in start_thread (arg=0x7f0f471c3700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f0f471c3700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139703594268416, 7570512453395103070, 0, 140736039512511, 0, 139703799078976, -7561171250231820962, -7561187978845668002}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f0f4f8beabf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 1 (Thread 0x7f0f534c3240 (LWP 6931)):
#0  0x00007f0f52b15f4f in g_dbus_object_get_interface (object=0x0, interface_name=0x7f0f525c8538 "org.freedesktop.UDisks2.PartitionTable") at ../../../../gio/gdbusobject.c:149
        iface = <optimized out>
        __func__ = "g_dbus_object_get_interface"
#1  0x00007f0f525c03f3 in udisks_object_get_partition_table (object=object@entry=0x0) at udisks-generated.c:35307
        ret = <optimized out>
#2  0x0000558c1f3df117 in gdu_utils_get_all_contained_objects (client=client@entry=0x558c207e86c0 [UDisksClient], object=object@entry=0x558c207d6340) at ../src/libgdu/gduutils.c:1180
        block = 0x0
        drive = 0x558c206416b0
        block_object = 0x0
        partition_table = 0x0
        partitions = 0x0
        l = <optimized out>
        objects_to_check = 0x0
#3  0x0000558c1f3b6360 in gdu_application_has_running_job (application=0x558c2053a190 [GduApplication], object=0x558c207d6340) at ../src/disks/gduapplication.c:575
        l = <optimized out>
        jobs = 0x0
        objects_to_check = 0x0
        ret = 0
#4  0x0000558c1f3d3071 in update_jobs (window=0x558c205eb6a0 [GduWindow], jobs=0x0, is_volume=<optimized out>, is_delayed_job_update=0) at ../src/disks/gduwindow.c:1962
        label = 0x558c20820f80 [GtkLabel]
        grid = 0x558c2081f2b0 [GtkGrid]
        progressbar = 0x558c20825190 [GtkProgressBar]
        remaining_label = 0x558c208231a0 [GtkLabel]
        no_progress_label = 0x558c20823340 [GtkLabel]
        cancel_button = 0x558c20825340 [GtkButton]
        drive_sensitivity = <optimized out>
        selected_volume_sensitivity = <optimized out>
        gets_sensitive = <optimized out>
#5  0x0000558c1f3d4a66 in update_device_page_for_drive (is_delayed_job_update=0, show_flags=0x7fffa9a45540, drive=0x558c206416b0, object=0x558c207d6340, window=0x558c205eb6a0 [GduWindow]) at ../src/disks/gduwindow.c:2182
        str = <optimized out>
        drive_revision = <optimized out>
        block = 0x0
        our_seat = <optimized out>
        serial = <optimized out>
        drive_vendor = <optimized out>
        size = <optimized out>
        ata = <optimized out>
        s = <optimized out>
        blocks = 0x0
        info = 0x0
        jobs = 0x0
        l = <optimized out>
        drive_model = <optimized out>
        title = 0x0
        type = <optimized out>
        block = 0x0
        loop = 0x0
        object = 0x558c207d6340
        drive = 0x558c206416b0
        size = <optimized out>
        show_flags = {drive_buttons = (unknown: 0), drive_menu = (unknown: 0), volume_buttons = (unknown: 0), volume_menu = (unknown: 0)}
#6  0x0000558c1f3d4a66 in update_device_page (is_delayed_job_update=0, show_flags=0x7fffa9a45540, window=0x558c205eb6a0 [GduWindow]) at ../src/disks/gduwindow.c:3063
        type = <optimized out>
        block = 0x0
        loop = 0x0
        object = 0x558c207d6340
        drive = 0x558c206416b0
        size = <optimized out>
        show_flags = {drive_buttons = (unknown: 0), drive_menu = (unknown: 0), volume_buttons = (unknown: 0), volume_menu = (unknown: 0)}
#7  0x0000558c1f3d4a66 in update_all (window=0x558c205eb6a0 [GduWindow], is_delayed_job_update=0) at ../src/disks/gduwindow.c:1783
        show_flags = {drive_buttons = (unknown: 0), drive_menu = (unknown: 0), volume_buttons = (unknown: 0), volume_menu = (unknown: 0)}
#11 0x00007f0f52817f1f in <emit signal ??? on instance 0x558c2054d390 [GduVolumeGrid]> (instance=instance@entry=0x558c2054d390, signal_id=<optimized out>, detail=detail@entry=0) at ../../../../gobject/gsignal.c:3447
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffa9a45a20, reg_save_area = 0x7fffa9a45960}}
    #8  0x00007f0f527fbf9d in g_closure_invoke (closure=0x558c207bc7f0, return_value=0x0, n_param_values=1, param_values=0x7fffa9a45780, invocation_hint=0x7fffa9a45700) at ../../../../gobject/gclosure.c:804
                marshal = 0x7f0f527fdea0 <g_cclosure_marshal_VOID__VOID>
                marshal_data = 0x0
                in_marshal = 0
                real_closure = 0x558c207bc7d0
                __func__ = "g_closure_invoke"
    #9  0x00007f0f5280ed2e in signal_emit_unlocked_R (node=node@entry=0x558c207c1b80, detail=detail@entry=0, instance=instance@entry=0x558c2054d390, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffa9a45780) at ../../../../gobject/gsignal.c:3635
                tmp = <optimized out>
                handler = 0x558c20888200
                accumulator = 0x0
                emission = {next = 0x7fffa9a45d20, instance = 0x558c2054d390, ihint = {signal_id = 359, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
                handler_list = 0x558c20888200
                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 = 359
                max_sequential_handler_number = 3232
                return_value_altered = 0
    #10 0x00007f0f52817505 in g_signal_emit_valist (instance=0x558c2054d390, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffa9a45940) at ../../../../gobject/gsignal.c:3391
                instance_and_params = 0x7fffa9a45780
                signal_return_type = 4
                param_values = 0x7fffa9a45798
                i = <optimized out>
                n_params = 0
                __func__ = "g_signal_emit_valist"
#12 0x0000558c1f3d20ec in recompute_grid (grid=grid@entry=0x558c2054d390 [GduVolumeGrid]) at ../src/disks/gduvolumegrid.c:1501
        partitions = <optimized out>
        logical_partitions = <optimized out>
        extended_partition = <optimized out>
        objects = <optimized out>
        object_manager = <optimized out>
        l = <optimized out>
        top_object_path = <optimized out>
        top_block = <optimized out>
        partition_table = <optimized out>
        top_size = <optimized out>
        free_space_slack = <optimized out>
        cur_selected_offset = -1
        cur_focused_offset = -1
        cur_selected_object = 0x0
        cur_focused_object = 0x0
        __func__ = "recompute_grid"
#13 0x0000558c1f3d2549 in gdu_volume_grid_set_block_object (grid=0x558c2054d390 [GduVolumeGrid], block_object=block_object@entry=0x0) at ../src/disks/gduvolumegrid.c:622
        grid = 0x558c2054d390 [GduVolumeGrid]
        block_object = 0x0
#14 0x0000558c1f3d55b3 in device_page_ensure_grid (window=0x558c205eb6a0 [GduWindow]) at ../src/disks/gduwindow.c:2984
        blocks = 0x0
        drive = <optimized out>
        block = <optimized out>
        type = <optimized out>
        block = <optimized out>
        loop = 0x0
        object = <optimized out>
        drive = <optimized out>
        size = <optimized out>
        show_flags = {drive_buttons = (unknown: 0), drive_menu = (unknown: 0), volume_buttons = (unknown: 0), volume_menu = (unknown: 0)}
#15 0x0000558c1f3d55b3 in update_device_page (is_delayed_job_update=0, show_flags=0x7fffa9a45ac0, window=0x558c205eb6a0 [GduWindow]) at ../src/disks/gduwindow.c:3051
        type = <optimized out>
        block = <optimized out>
        loop = 0x0
        object = <optimized out>
        drive = <optimized out>
        size = <optimized out>
        show_flags = {drive_buttons = (unknown: 0), drive_menu = (unknown: 0), volume_buttons = (unknown: 0), volume_menu = (unknown: 0)}
#16 0x0000558c1f3d55b3 in update_all (window=window@entry=0x558c205eb6a0 [GduWindow], is_delayed_job_update=0) at ../src/disks/gduwindow.c:1783
        show_flags = {drive_buttons = (unknown: 0), drive_menu = (unknown: 0), volume_buttons = (unknown: 0), volume_menu = (unknown: 0)}
#17 0x0000558c1f3d5dbf in select_object (window=window@entry=0x558c205eb6a0 [GduWindow], object=<optimized out>) at ../src/disks/gduwindow.c:553
        is_delayed_job_update = <optimized out>
        ret = 1
        iter = {stamp = 269507812, user_data = 0x7f0f400580d0, user_data2 = 0x0, user_data3 = 0x0}
#18 0x0000558c1f3d8ef3 in on_tree_selection_changed (tree_selection=0x558c207d0b50 [GtkTreeSelection], user_data=<optimized out>) at ../src/disks/gduwindow.c:604
        object = 0x558c207d6340
        window = 0x558c205eb6a0 [GduWindow]
        iter = {stamp = 269507812, user_data = 0x7f0f400580d0, user_data2 = 0x0, user_data3 = 0x0}
        model = 0x558c20549400
#19 0x00007f0f527fc1d6 in _g_closure_invoke_va (closure=0x558c20790a70, return_value=0x0, instance=0x558c207d0b50, args=0x7fffa9a45e68, n_params=0, param_types=0x0) at ../../../../gobject/gclosure.c:867
        marshal = 0x7f0f527fdf20 <g_cclosure_marshal_VOID__VOIDv>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x558c20790a50
        __func__ = "_g_closure_invoke_va"
#20 0x00007f0f528177ef in g_signal_emit_valist (instance=instance@entry=0x558c207d0b50, signal_id=signal_id@entry=328, detail=<optimized out>, var_args=var_args@entry=0x7fffa9a45e68) at ../../../../gobject/gsignal.c:3300
        return_accu = <optimized out>
        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}}}
        accumulator = 0x0
        emission = {next = 0x7fffa9a46140, instance = 0x558c207d0b50, ihint = {signal_id = 328, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 94060328871424}
        signal_id = <optimized out>
        instance_type = <optimized out>
        emission_return = {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}}}
        rtype = 4
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = <optimized out>
        run_type = <optimized out>
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#21 0x00007f0f528183f8 in g_signal_emit_by_name (instance=0x558c207d0b50, detailed_signal=detailed_signal@entry=0x7f0f5204b201 "changed") at ../../../../gobject/gsignal.c:3487
        var_args = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fffa9a45fa0, reg_save_area = 0x7fffa9a45eb0}}
        detail = <optimized out>
        itype = <optimized out>
        __func__ = "g_signal_emit_by_name"
#22 0x00007f0f51fd2f40 in gtk_tree_view_row_deleted (model=<optimized out>, path=<optimized out>, data=0x558c2081a400) at ../../../../gtk/gtktreeview.c:9381
        tree_view = 0x558c2081a400 [GtkTreeView]
        tree = 0x558c20859a20
        node = 0x7f0f40057670
        list = <optimized out>
        selection_changed = 1
        cursor_changed = <optimized out>
        cursor_tree = 0x0
        cursor_node = 0x0
        __func__ = "gtk_tree_view_row_deleted"
#26 0x00007f0f52817f1f in <emit signal ??? on instance 0x558c20549400 [GduDeviceTreeModel]> (instance=instance@entry=0x558c20549400, signal_id=<optimized out>, detail=detail@entry=0) at ../../../../gobject/gsignal.c:3447
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffa9a46480, reg_save_area = 0x7fffa9a463c0}}
    #23 0x00007f0f527fbf9d in g_closure_invoke (closure=0x558c20790970, return_value=0x0, n_param_values=2, param_values=0x7fffa9a461d0, invocation_hint=0x7fffa9a46150) at ../../../../gobject/gclosure.c:804
                marshal = 0x7f0f527fed90 <g_cclosure_marshal_VOID__BOXED>
                marshal_data = 0x0
                in_marshal = 0
                real_closure = 0x558c20790950
                __func__ = "g_closure_invoke"
    #24 0x00007f0f5280ed2e in signal_emit_unlocked_R (node=node@entry=0x558c20874f20, detail=detail@entry=0, instance=instance@entry=0x558c20549400, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffa9a461d0) at ../../../../gobject/gsignal.c:3635
                tmp = <optimized out>
                handler = 0x558c205ba880
                accumulator = 0x0
                emission = {next = 0x7fffa9a46940, instance = 0x558c20549400, ihint = {signal_id = 348, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
                handler_list = 0x558c205ba880
                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 = 348
                max_sequential_handler_number = 3232
                return_value_altered = 1
    #25 0x00007f0f52817505 in g_signal_emit_valist (instance=0x558c20549400, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffa9a463a0) at ../../../../gobject/gsignal.c:3391
                instance_and_params = 0x7fffa9a461d0
                signal_return_type = 4
                param_values = 0x7fffa9a461e8
                i = <optimized out>
                n_params = 1
                __func__ = "g_signal_emit_valist"
#27 0x00007f0f51fb0282 in gtk_tree_model_row_deleted (tree_model=tree_model@entry=0x558c20549400, path=path@entry=0x558c208eddb0) at ../../../../gtk/gtktreemodel.c:1902
        __func__ = "gtk_tree_model_row_deleted"
#28 0x00007f0f51fc0cd9 in gtk_tree_store_remove (tree_store=0x558c20549400 [GduDeviceTreeModel], iter=iter@entry=0x7fffa9a46500) at ../../../../gtk/gtktreestore.c:1230
        priv = 0x558c205493b0
        path = 0x558c208eddb0
        new_iter = {stamp = 0, user_data = 0x0, user_data2 = 0x0, user_data3 = 0x0}
        parent = 0x7f0f40058380
        next_node = 0x7f0f400580d0
        __func__ = "gtk_tree_store_remove"
#29 0x0000558c1f3c3088 in remove_drive (model=model@entry=0x558c20549400 [GduDeviceTreeModel], object=object@entry=0x558c207d0aa0) at ../src/disks/gdudevicetreemodel.c:667
        iter = {stamp = 269507812, user_data = 0x7f0f40058160, user_data2 = 0x0, user_data3 = 0x0}
#30 0x0000558c1f3c3f5b in update_drives (model=model@entry=0x558c20549400 [GduDeviceTreeModel]) at ../src/disks/gdudevicetreemodel.c:983
        object = 0x558c207d0aa0
        object_manager = <optimized out>
        objects = 0x558c206a5fa0 = {0x558c207d60c0, 0x558c207d6110, 0x7f0f400046f0, 0x7f0f40004870, 0x7f0f400048c0, 0x558c207d62a0, 0x7f0f40004910, 0x558c207d62f0, 0x558c207d0a50, 0x558c207d0a00, 0x558c207d09b0, 0x558c207d0960, 0x558c207d0910, 0x558c207d08c0, 0x558c207d0870, 0x558c207d0820, 0x558c207d6390}
        drives = 0x558c206b38e0 = {0x7f0f40004870}
        added_drives = 0x0
        removed_drives = 0x558c206ac400 = {0x558c207d0aa0, 0x558c207d6340}
        l = 0x558c206ac400 = {0x558c207d0aa0, 0x558c207d6340}
        __func__ = "update_drives"
#31 0x0000558c1f3c436f in update_all (model=0x558c20549400 [GduDeviceTreeModel]) at ../src/disks/gdudevicetreemodel.c:1312
        model = 0x558c20549400 [GduDeviceTreeModel]
#32 0x0000558c1f3c436f in on_client_changed (client=<optimized out>, user_data=<optimized out>) at ../src/disks/gdudevicetreemodel.c:1327
        model = 0x558c20549400 [GduDeviceTreeModel]
#33 0x00007f0f4e8b6038 in ffi_call_unix64 () at ../src/x86/unix64.S:76
#34 0x00007f0f4e8b5a9a in ffi_call (cif=cif@entry=0x7fffa9a467a0, fn=fn@entry=0x558c1f3c4350 <on_client_changed>, rvalue=<optimized out>, avalue=avalue@entry=0x7fffa9a466d0) at ../src/x86/ffi64.c:525
        classes = {X86_64_INTEGER_CLASS, 32527, 2846123936, 32767}
        stack = <optimized out>
        argp = 0x7fffa9a465d0 ""
        arg_types = <optimized out>
        gprcount = 2
        ssecount = <optimized out>
        ngpr = 1
        nsse = 0
        i = <optimized out>
        avn = <optimized out>
        ret_in_memory = <optimized out>
        reg_args = <optimized out>
#39 0x00007f0f52817f1f in <emit signal ??? on instance 0x558c207e86c0 [UDisksClient]> (instance=<optimized out>, signal_id=<optimized out>, detail=detail@entry=0) at ../../../../gobject/gsignal.c:3447
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffa9a46c70, reg_save_area = 0x7fffa9a46bb0}}
    #35 0x00007f0f527fc799 in g_cclosure_marshal_generic (closure=0x558c20845eb0, return_gvalue=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=<optimized out>) at ../../../../gobject/gclosure.c:1490
                rtype = <optimized out>
                rvalue = 0x7fffa9a46710
                n_args = 2
                atypes = <optimized out>
                i = <optimized out>
                cif = {abi = FFI_UNIX64, nargs = 2, arg_types = 0x7fffa9a466f0, rtype = 0x7f0f4e8b6420 <ffi_type_void>, bytes = 0, flags = 0}
                cc = 0x558c20845eb0
                enum_tmpval = <optimized out>
                tmpval_used = 0
    #36 0x00007f0f527fbf9d in g_closure_invoke (closure=0x558c20845eb0, return_value=0x0, n_param_values=1, param_values=0x7fffa9a469d0, invocation_hint=0x7fffa9a46950) at ../../../../gobject/gclosure.c:804
                marshal = 0x7f0f527fc590 <g_cclosure_marshal_generic>
                marshal_data = 0x0
                in_marshal = 0
                real_closure = 0x558c20845e90
                __func__ = "g_closure_invoke"
    #37 0x00007f0f5280ed2e in signal_emit_unlocked_R (node=node@entry=0x558c20640090, detail=detail@entry=0, instance=instance@entry=0x558c207e86c0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffa9a469d0) at ../../../../gobject/gsignal.c:3635
                tmp = <optimized out>
                handler = 0x558c208296c0
                accumulator = 0x0
                emission = {next = 0x0, instance = 0x558c207e86c0, ihint = {signal_id = 230, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
                handler_list = 0x558c208296c0
                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 = 230
                max_sequential_handler_number = 3232
                return_value_altered = 0
    #38 0x00007f0f52817505 in g_signal_emit_valist (instance=0x558c207e86c0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffa9a46b90) at ../../../../gobject/gsignal.c:3391
                instance_and_params = 0x7fffa9a469d0
                signal_return_type = 4
                param_values = 0x7fffa9a469e8
                i = <optimized out>
                n_params = 0
                __func__ = "g_signal_emit_valist"
#40 0x00007f0f525c2d7e in on_changed_timeout (user_data=0x558c207e86c0, user_data@entry=<error reading variable: value has been optimized out>) at udisksclient.c:1458
        client = <optimized out>
#41 0x00007f0f52e25853 in g_timeout_dispatch (source=source@entry=0x558c206ed9f0, callback=<optimized out>, user_data=<optimized out>) at ../../../../glib/gmain.c:4633
        timeout_source = 0x558c206ed9f0
        again = <optimized out>
#42 0x00007f0f52e24dd5 in g_main_dispatch (context=0x558c2053b820) at ../../../../glib/gmain.c:3148
        dispatch = 0x7f0f52e25840 <g_timeout_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x558c207e86c0
        callback = 0x7f0f525c2d50 <on_changed_timeout>
        cb_funcs = 0x7f0f530ec280 <g_source_callback_funcs>
        cb_data = 0x558c207c9250
        need_destroy = <optimized out>
        source = 0x558c206ed9f0
        current = 0x558c2054b740
        i = 0
#43 0x00007f0f52e24dd5 in g_main_context_dispatch (context=context@entry=0x558c2053b820) at ../../../../glib/gmain.c:3813
#44 0x00007f0f52e251a0 in g_main_context_iterate (context=context@entry=0x558c2053b820, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3886
        max_priority = 2147483647
        timeout = 34
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 3
        fds = 0x558c2052c4b0
#45 0x00007f0f52e2522c in g_main_context_iteration (context=context@entry=0x558c2053b820, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3947
        retval = <optimized out>
#46 0x00007f0f52ae0b8d in g_application_run (application=0x558c2053a190 [GduApplication], argc=<optimized out>, argv=<optimized out>) at ../../../../gio/gapplication.c:2401
        arguments = 0x558c2052c4b0
        status = 0
        context = 0x558c2053b820
        acquired_context = <optimized out>
        __func__ = "g_application_run"
#47 0x0000558c1f3b4f30 in main (argc=2, argv=0x7fffa9a46f08) at ../src/disks/main.c:27
        app = 0x558c2053a190 [GduApplication]
        status = <optimized out>