#0  0x00007f17580d0f39 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 2602
        selftid = 2602
#1  0x00007f17580d4348 in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x4fe6e1, sa_sigaction = 0x4fe6e1}, sa_mask = {__val = {4294967186, 139738252714912, 139738308260919, 140733193388037, 0, 72057594037927936, 139738238029096, 33041808, 139738252714912, 104, 139738308289525, 0, 0, 139738241935248, 4294967295, 139738241935200}}, sa_flags = 6, sa_restorer = 0x6}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f1758c0deb5 in g_assertion_message (domain=domain@entry=0x0, file=file@entry=0x4fe6e1 "nautilus-window.c", line=line@entry=2110, func=func@entry=0x4fee00 <__FUNCTION__.57585> "nautilus_window_get_slots", message=message@entry=0x1f82fa0 "assertion failed: (NAUTILUS_IS_WINDOW (window))") at /build/buildd/glib2.0-2.39.3/./glib/gtestutils.c:2352
        lstr = "2110\000\177\000\000\300\ba\376\377\177\000\000\020\000\000\000\000\000\000\000\212\323O\000\000\000\000"
        s = 0x1f82d90 ""
#3  0x00007f1758c0df4a in g_assertion_message_expr (domain=domain@entry=0x0, file=file@entry=0x4fe6e1 "nautilus-window.c", line=line@entry=2110, func=func@entry=0x4fee00 <__FUNCTION__.57585> "nautilus_window_get_slots", expr=expr@entry=0x4fd38a "NAUTILUS_IS_WINDOW (window)") at /build/buildd/glib2.0-2.39.3/./glib/gtestutils.c:2367
        s = 0x1f82fa0 "assertion failed: (NAUTILUS_IS_WINDOW (window))"
#4  0x000000000047afc6 in nautilus_window_get_slots (window=window@entry=0x1f60280) at nautilus-window.c:2110
        __FUNCTION__ = "nautilus_window_get_slots"
#5  0x000000000042b928 in get_window_slot_for_location (application=application@entry=0x1db7120, location=0x1eb8740) at nautilus-application.c:575
        win = 0x1f60280
        slot = 0x0
        l = 0x1eb8f00
        sl = <optimized out>
#6  0x000000000042e024 in open_windows (geometry=0x0, screen=0x1e0c0e0, n_files=1, files=<optimized out>, force_new=0, application=0x1db7120) at nautilus-application.c:645
        slot = 0x0
        i = 0
#7  nautilus_application_open (app=<optimized out>, files=<optimized out>, n_files=1, hint=<optimized out>) at nautilus-application.c:710
        self = 0x1db7120
        __FUNCTION__ = "nautilus_application_open"
        force_new = 0
#8  0x00007f1753512adc in ffi_call_unix64 () at ../src/x86/unix64.S:76
No locals.
#9  0x00007f175351240c in ffi_call (cif=cif@entry=0x7ffffe610c70, fn=0x42df50 <nautilus_application_open>, rvalue=0x7ffffe610ba0, avalue=avalue@entry=0x7ffffe610b20) at ../src/x86/ffi64.c:522
        classes = {X86_64_INTEGER_CLASS, X86_64_NO_CLASS, 1547314165, 32535}
        stack = 0x7ffffe610930 " q\333\001"
        argp = 0x7ffffe6109e0 ""
        arg_types = <optimized out>
        gprcount = 5
        ssecount = <optimized out>
        ngpr = 1
        nsse = 0
        i = <optimized out>
        avn = <optimized out>
        ret_in_memory = <optimized out>
        reg_args = 0x7ffffe610930
#10 0x00007f1758eb3f15 in g_cclosure_marshal_generic_va (closure=0x1db2e30, return_value=0x0, instance=0x1db7120, args_list=<optimized out>, marshal_data=0x42df50 <nautilus_application_open>, n_params=3, param_types=0x1db2e80) at /build/buildd/glib2.0-2.39.3/./gobject/gclosure.c:1550
        rtype = 0x7f1753512ed0 <ffi_type_void>
        rvalue = 0x7ffffe610ba0
        n_args = 5
        atypes = 0x7ffffe610b60
        args = 0x7ffffe610b20
        storage = 0x7ffffe610af0
        i = <optimized out>
        cif = {abi = FFI_UNIX64, nargs = 5, arg_types = 0x7ffffe610b60, rtype = 0x7f1753512ed0 <ffi_type_void>, bytes = 0, flags = 0}
        cc = 0x1db2e30
        enum_tmpval = <optimized out>
        tmpval_used = 0
        args_copy = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7ffffe610f90, reg_save_area = 0x7ffffe610ed0}}
#11 0x00007f1758eb34a7 in _g_closure_invoke_va (closure=0x1db2e30, return_value=0x0, instance=0x1db7120, args=0x7ffffe610eb8, n_params=3, param_types=0x1db2e80) at /build/buildd/glib2.0-2.39.3/./gobject/gclosure.c:840
        marshal = 0x7f1758eb19f0 <g_type_class_meta_marshalv>
        marshal_data = 0x98
        in_marshal = 0
        real_closure = 0x1db2e10
        __FUNCTION__ = "_g_closure_invoke_va"
#12 0x00007f1758ecbf78 in g_signal_emit_valist (instance=0x1db7120, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7ffffe610eb8) at /build/buildd/glib2.0-2.39.3/./gobject/gsignal.c:3220
        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}}}
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x1db7120, ihint = {signal_id = 9, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 31129264}
        signal_id = 9
        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 = 0x1db2e30
        run_type = <optimized out>
        l = <optimized out>
        fastpath = <optimized out>
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __FUNCTION__ = "g_signal_emit_valist"
#13 0x00007f1758eccbd2 in g_signal_emit (instance=instance@entry=0x1db7120, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.39.3/./gobject/gsignal.c:3368
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7ffffe610f90, reg_save_area = 0x7ffffe610ed0}}
#14 0x00007f17591952ca in g_application_open (application=application@entry=0x1db7120, files=files@entry=0x20a7e40, n_files=n_files@entry=1, hint=<optimized out>) at /build/buildd/glib2.0-2.39.3/./gio/gapplication.c:1491
        __FUNCTION__ = "g_application_open"
#15 0x000000000042cd0a in nautilus_application_local_command_line (application=0x1db7120, arguments=<optimized out>, exit_status=<optimized out>) at nautilus-application.c:1351
        perform_self_check = 0
        version = 0
        browser = 0
        kill_shell = 0
        open_new_window = 0
        no_default_window = 0
        select_uris = 0
        remaining = 0x0
        self = 0x1db7120
        options = {{long_name = 0x4ede8d "check", short_name = 99 'c', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffffe610fd8, description = 0x4ed6a0 "Perform a quick set of self-check tests.", arg_description = 0x0}, {long_name = 0x4ede93 "browser", short_name = 0 '\000', flags = 1, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffffe610fe0, description = 0x0, arg_description = 0x0}, {long_name = 0x4ede9b "version", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffffe610fdc, description = 0x4ed6d0 "Show the version of the program.", arg_description = 0x0}, {long_name = 0x50bddb "geometry", short_name = 103 'g', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0x1db7020, description = 0x4ed6f8 "Create the initial window with the given geometry.", arg_description = 0x4edea3 "GEOMETRY"}, {long_name = 0x4ede82 "new-window", short_name = 119 'w', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffffe610fe8, description = 0x4ed730 "Always open a new window for browsing specified URIs", arg_description = 0x0}, {long_name = 0x4edeac "no-default-window", short_name = 110 'n', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffffe610fec, description = 0x4ed768 "Only create windows for explicitly specified URIs.", arg_description = 0x0}, {long_name = 0x4edebe "no-desktop", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x1db7018, description = 0x4ed7a0 "Never manage the desktop (ignore the GSettings preference).", arg_description = 0x0}, {long_name = 0x4edec9 "force-desktop", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x1db701c, description = 0x4ed7e0 "Always manage the desktop (ignore the GSettings preference).", arg_description = 0x0}, {long_name = 0x4eded7 "quit", short_name = 113 'q', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffffe610fe4, description = 0x4ededc "Quit Nautilus.", arg_description = 0x0}, {long_name = 0x4f7c5a "select", short_name = 115 's', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffffe610ff0, description = 0x4ed820 "Select specified URI in parent folder.", arg_description = 0x0}, {long_name = 0x4fea19 "", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING_ARRAY, arg_data = 0x7ffffe610ff8, description = 0x0, arg_description = 0x4edeeb "[URI...]"}, {long_name = 0x0, short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, arg_description = 0x0}}
        context = 0x1db6b80
        error = 0x0
        argc = 1
        argv = 0x1da33c0
        __FUNCTION__ = "nautilus_application_local_command_line"
        files = 0x20a7e40
        idx = <optimized out>
        len = 1
#16 0x00007f17591956eb in g_application_run (application=0x1db7120, argc=argc@entry=1, argv=argv@entry=0x7ffffe611478) at /build/buildd/glib2.0-2.39.3/./gio/gapplication.c:1635
        arguments = 0x1da33c0
        status = 0
        i = <optimized out>
        __FUNCTION__ = "g_application_run"
#17 0x000000000042b501 in main (argc=1, argv=0x7ffffe611478) at nautilus-main.c:104
        retval = <optimized out>
        application = 0x1db7120