.
Thread 4 (Thread 0x7f20dd16d700 (LWP 14336)):
#0  0x00007f20dcd68a5a in __lll_timedwait_tid () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:429
No locals.
#1  0x0000000000000034 in ?? ()
No symbol table info available.
#2  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f2087d88700 (LWP 14338)):
#0  0x00007f20dcd65d8e in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:167
No locals.
#1  0x00007f20cd8130cb in ?? ()
No symbol table info available.
#2  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f20c868b700 (LWP 14337)):
#0  0x00007f20dcd65d8e in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:167
No locals.
#1  0x00007f20ccc4a0b2 in ?? ()
No symbol table info available.
#2  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f2084bad700 (LWP 14359)):
#0  0x00007f20dbabd475 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 14359
#1  0x00007f20dbac0bdb in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7f20d7ceead8, sa_sigaction = 0x7f20d7ceead8}, sa_mask = {__val = {139779102470941, 21517728, 0, 139777642510832, 139779101371298, 139779036343000, 206158430232, 139777642510848, 139777642510624, 139775422983470, 206158430256, 139777428962384, 139777428946976, 139779102476088, 0, 140736311795282}}, sa_flags = -608185565, sa_restorer = 0x7f20d7ceed92}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f20dbab610e in __assert_fail_base (fmt=<optimized out>, assertion=0x7f20d7ceead8 "!xcb_xlib_threads_sequence_lost", file=0x7f20d7ceed92 "../../src/xcb_io.c", line=<optimized out>, function=<optimized out>) at assert.c:94
        str = 0x7f2078003c50 ""
        total = 4096
#3  0x00007f20dbab61b2 in __GI___assert_fail (assertion=0x7f20d7ceead8 "!xcb_xlib_threads_sequence_lost", file=0x7f20d7ceed92 "../../src/xcb_io.c", line=273, function=0x7f20d7ceeeb8 "poll_for_event") at assert.c:103
No locals.
#4  0x00007f20d7c7c603 in poll_for_event (dpy=<optimized out>) at ../../src/xcb_io.c:270
        req = <optimized out>
        event = <optimized out>
        event_sequence = <optimized out>
        __PRETTY_FUNCTION__ = "poll_for_event"
#5  0x00007f20d7c7c621 in poll_for_response (dpy=0xc64700) at ../../src/xcb_io.c:288
        response = 0x0
        error = 0xc72000
        req = <optimized out>
        __PRETTY_FUNCTION__ = "poll_for_response"
#6  0x00007f20d7c7cd4d in _XEventsQueued (dpy=0xc64700, mode=<optimized out>) at ../../src/xcb_io.c:362
        response = <optimized out>
#7  0x00007f20d7c6e41d in XPending (dpy=0xc64700) at ../../src/Pending.c:55
        ret_val = <optimized out>
#8  0x00007f20d81cd99b in _gdk_x11_display_queue_events (display=0xc72000) at /build/buildd/gtk+3.0-3.3.14/./gdk/x11/gdkeventsource.c:320
        event = 0x0
        xevent = {type = 28, xany = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889}, xkey = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889, root = 285, subwindow = 23863820, time = 8391166408939012096, x = 1735423277, y = 1701077362, x_root = 875638567, y_root = 0, state = 0, keycode = 0, same_screen = 0}, xbutton = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889, root = 285, subwindow = 23863820, time = 8391166408939012096, x = 1735423277, y = 1701077362, x_root = 875638567, y_root = 0, state = 0, button = 0, same_screen = 0}, xmotion = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889, root = 285, subwindow = 23863820, time = 8391166408939012096, x = 1735423277, y = 1701077362, x_root = 875638567, y_root = 0, state = 0, is_hint = 0 '\000', same_screen = 0}, xcrossing = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889, root = 285, subwindow = 23863820, time = 8391166408939012096, x = 1735423277, y = 1701077362, x_root = 875638567, y_root = 0, mode = 0, detail = 0, same_screen = 0, focus = 0, state = 0}, xfocus = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889, mode = 285, detail = 0}, xexpose = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889, x = 285, y = 0, width = 23863820, height = 0, count = 0}, xgraphicsexpose = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, drawable = 88080889, x = 285, y = 0, width = 23863820, height = 0, count = 0, major_code = 1953720676, minor_code = 1735423277}, xnoexpose = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, drawable = 88080889, major_code = 285, minor_code = 0}, xvisibility = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889, state = 285}, xcreatewindow = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, parent = 88080889, window = 285, x = 23863820, y = 0, width = 0, height = 1953720676, border_width = 1735423277, override_redirect = 1701077362}, xdestroywindow = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, event = 88080889, window = 285}, xunmap = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, event = 88080889, window = 285, from_configure = 23863820}, xmap = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, event = 88080889, window = 285, override_redirect = 23863820}, xmaprequest = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, parent = 88080889, window = 285}, xreparent = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, event = 88080889, window = 285, parent = 23863820, x = 0, y = 1953720676, override_redirect = 1735423277}, xconfigure = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, event = 88080889, window = 285, x = 23863820, y = 0, width = 0, height = 1953720676, border_width = 1735423277, above = 875638567, override_redirect = 0}, xgravity = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, event = 88080889, window = 285, x = 23863820, y = 0}, xresizerequest = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889, width = 285, height = 0}, xconfigurerequest = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, parent = 88080889, window = 285, x = 23863820, y = 0, width = 0, height = 1953720676, border_width = 1735423277, above = 875638567, detail = 0, value_mask = 0}, xcirculate = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, event = 88080889, window = 285, place = 23863820}, xcirculaterequest = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, parent = 88080889, window = 285, place = 23863820}, xproperty = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889, atom = 285, time = 23863820, state = 0}, xselectionclear = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889, selection = 285, time = 23863820}, xselectionrequest = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, owner = 88080889, requestor = 285, selection = 23863820, target = 8391166408939012096, property = 7306071639491376429, time = 875638567}, xselection = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, requestor = 88080889, selection = 285, target = 23863820, property = 8391166408939012096, time = 7306071639491376429}, xcolormap = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889, colormap = 285, new = 23863820, state = 0}, xclient = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889, message_type = 285, format = 23863820, data = {b = "\000\000\000\000dist-upgrade'/14", s = {0, 0, 26980, 29811, 29997, 26480, 24946, 25956, 12071, 13361}, l = {8391166408939012096, 7306071639491376429, 875638567, 0, 0}}}, xmapping = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889, request = 285, first_keycode = 0, count = 23863820}, xerror = {type = 28, display = 0x982, resourceid = 0, serial = 12994304, error_code = 249 '\371', request_code = 1 '\001', minor_code = 64 '@'}, xkeymap = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, window = 88080889, key_vector = "\035\001\000\000\000\000\000\000\f\"l\001\000\000\000\000\000\000\000\000dist-upgrade"}, xgeneric = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, extension = 88080889, evtype = 0}, xcookie = {type = 28, serial = 2434, send_event = 0, display = 0xc64700, extension = 88080889, evtype = 0, cookie = 285, data = 0x16c220c}, pad = {28, 2434, 0, 12994304, 88080889, 285, 23863820, 8391166408939012096, 7306071639491376429, 875638567, 0 <repeats 14 times>}}
        xdisplay = 0xc64700
        event_source = 0xc85610
        display_x11 = <optimized out>
#9  0x00007f20d81a0561 in gdk_display_get_event (display=0xc72000) at /build/buildd/gtk+3.0-3.3.14/./gdk/gdkdisplay.c:309
        __PRETTY_FUNCTION__ = "gdk_display_get_event"
#10 0x00007f20d81cd762 in gdk_event_source_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+3.0-3.3.14/./gdk/x11/gdkeventsource.c:356
        display = 0xc72000
        event = <optimized out>
#11 0x00007f20dabfab2a in g_main_dispatch (context=0xc838c0) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:2510
        dispatch = 0x7f20d81cd750 <gdk_event_source_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0xc85610, next = 0x0}
        need_destroy = <optimized out>
        source = 0xc85610
        current = 0x1530a90
        i = <optimized out>
#12 g_main_context_dispatch (context=0xc838c0) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3047
No locals.
#13 0x00007f20dabfaef0 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0xc838c0, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3118
        timeout = 0
        some_ready = 1
        fds = <optimized out>
        max_priority = 0
        nfds = 3
        allocated_nfds = <optimized out>
#14 g_main_context_iterate (context=0xc838c0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3055
        some_ready = 1
#15 0x00007f20dabfafb4 in g_main_context_iteration (context=0xc838c0, may_block=1) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3179
        retval = <optimized out>
#16 0x00007f20d85922f5 in gtk_main_iteration () at /build/buildd/gtk+3.0-3.3.14/./gtk/gtkmain.c:1267
No locals.
#17 0x00007f20da24ca14 in ffi_call_unix64 () at ../src/x86/unix64.S:75
No locals.
#18 0x00007f20da24c435 in ffi_call (cif=0x7f2084babef0, fn=0x7f20d85922e0 <gtk_main_iteration>, rvalue=<optimized out>, avalue=<optimized out>) at ../src/x86/ffi64.c:486
        classes = {23795408, X86_64_NO_CLASS, 23428416, X86_64_NO_CLASS}
        stack = 0x7f2084babcc0 "\001"
        argp = 0x7f2084babd70 "\t"
        arg_types = <optimized out>
        gprcount = 0
        ssecount = <optimized out>
        ngpr = -2068136096
        nsse = 32544
        i = <optimized out>
        avn = <optimized out>
        ret_in_memory = <optimized out>
        reg_args = 0x7f2084babcc0
#19 0x00007f20db0fc860 in _g_callable_info_invoke (info=<optimized out>, function=0x7f20d85922e0, in_args=0x0, n_in_args=0, out_args=0x0, n_out_args=0, return_value=0x7f2084bac090, is_method=0, throws=0, error=0x7f2084bac0a8) at girepository/gicallableinfo.c:518
        cif = {abi = FFI_UNIX64, nargs = 0, arg_types = 0x7f2084babe70, rtype = 0x7f20da24cda0, bytes = 0, flags = 9}
        rtype = 0x7f20da24cda0
        atypes = 0x7f2084babe70
        tinfo = <optimized out>
        ainfo = <optimized out>
        n_args = 0
        n_invoke_args = 0
        in_pos = 0
        out_pos = <optimized out>
        i = <optimized out>
        args = 0x7f2084babe60
        local_error = 0x0
        error_address = 0x7f2084babf18
        __PRETTY_FUNCTION__ = "_g_callable_info_invoke"
#20 0x00007f20db0fdbce in g_function_info_invoke (info=0x1657d40, in_args=0x0, n_in_args=0, out_args=0x0, n_out_args=0, return_value=0x7f2084bac090, error=0x7f2084bac0a8) at girepository/gifunctioninfo.c:273
        symbol = <optimized out>
        func = 0x7f20d85922e0
        is_method = 0
        throws = <optimized out>
#21 0x00007f20db336ae8 in _invoke_callable (callable_info=<optimized out>, cache=0x1506120, state=0x7f2084bac050) at /build/buildd/pygobject-3.1.0/gi/pygi-invoke.c:52
        _save = 0x1970d10
        error = 0x0
        retval = <optimized out>
#22 _wrap_g_callable_info_invoke (self=0x14c2cb0, py_args=<optimized out>, kwargs=<optimized out>) at /build/buildd/pygobject-3.1.0/gi/pygi-invoke.c:633
        state = {py_in_args = (), n_py_in_args = 0, current_arg = 0, implementor_gtype = 0, args = 0x0, in_args = 0x0, out_args = 0x0, out_values = 0x0, return_arg = {v_boolean = 0, v_int8 = 0 '\000', v_uint8 = 0 '\000', v_int16 = 0, v_uint16 = 0, v_int32 = 0, v_uint32 = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_short = 0, v_ushort = 0, v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_ssize = 0, v_size = 0, v_string = 0x0, v_pointer = 0x0}, error = 0x0, failed = 0}
        ret = 0x0
#23 0x00000000004ba531 in PyEval_EvalFrameEx ()
No locals.
#24 0x00000000004bd345 in PyEval_EvalCodeEx ()
No locals.
#25 0x00000000004b6a9a in PyEval_EvalFrameEx ()
No locals.
#26 0x00000000004b6db7 in PyEval_EvalFrameEx ()
No locals.
#27 0x00000000004bcd4d in PyEval_EvalCodeEx ()
No locals.
#28 0x0000000000449248 in function_call ()
No locals.
#29 0x000000000041ae3a in PyObject_Call ()
No locals.
#30 0x00000000004b8500 in PyEval_EvalFrameEx ()
No locals.
#31 0x00000000004b6db7 in PyEval_EvalFrameEx ()
No locals.
#32 0x00000000004b6db7 in PyEval_EvalFrameEx ()
No locals.
#33 0x00000000004bcd4d in PyEval_EvalCodeEx ()
No locals.
#34 0x000000000044908f in function_call ()
No locals.
#35 0x000000000041ae3a in PyObject_Call ()
No locals.
#36 0x00000000004308ae in instancemethod_call ()
No locals.
#37 0x000000000041ae3a in PyObject_Call ()
No locals.
#38 0x00000000004b5dd6 in PyEval_CallObjectWithKeywords ()
No locals.
#39 0x00000000004f0790 in t_bootstrap ()
No locals.
#40 0x00007f20dcd61e9a in start_thread (arg=0x7f2084bad700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f2084bad700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -2098239903566002126, 140736311786976, 139777642518976, 0, 3, 2062794422730754098, 2062706081144375346}, 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"
#41 0x00007f20dbb7777d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#42 0x0000000000000000 in ?? ()
No symbol table info available.