.
Thread 6 (Thread 0x7fa0967fc700 (LWP 8316)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fa0de4c3f2a in g_cond_wait_until (cond=cond@entry=0x55f7d53d2368, mutex=mutex@entry=0x55f7d53d2360, end_time=end_time@entry=23405559223) at ../../../../glib/gthread-posix.c:1449
        now = {tv_sec = 23390, tv_nsec = 559224693}
        span = {tv_sec = 14, tv_nsec = 999998307}
        sampled = 22
        res = <optimized out>
#2  0x00007fa0de4514f1 in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x55f7d53d2360, wait=wait@entry=1, end_time=end_time@entry=23405559223) at ../../../../glib/gasyncqueue.c:422
        retval = <optimized out>
        __func__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007fa0de451aac in g_async_queue_timeout_pop (queue=0x55f7d53d2360, timeout=timeout@entry=15000000) at ../../../../glib/gasyncqueue.c:543
        end_time = 23405559223
        retval = <optimized out>
#4  0x00007fa0de4a68ae in g_thread_pool_wait_for_new_pool () at ../../../../glib/gthreadpool.c:167
        pool = <optimized out>
        local_max_idle_time = <optimized out>
        local_wakeup_thread_serial = <optimized out>
        local_max_unused_threads = <optimized out>
        last_wakeup_thread_serial = <optimized out>
        have_relayed_thread_marker = <optimized out>
        pool = <optimized out>
        local_wakeup_thread_serial = <optimized out>
        local_max_unused_threads = <optimized out>
        local_max_idle_time = <optimized out>
        last_wakeup_thread_serial = <optimized out>
        have_relayed_thread_marker = <optimized out>
#5  g_thread_pool_thread_proxy (data=<optimized out>) at ../../../../glib/gthreadpool.c:364
        free_pool = <optimized out>
        task = <optimized out>
        pool = <optimized out>
#6  0x00007fa0de4a5e05 in g_thread_proxy (data=0x55f7d5ec56d0) at ../../../../glib/gthread.c:784
        thread = 0x55f7d5ec56d0
        _g_boolean_var_ = <optimized out>
#7  0x00007fa0d700f6db in start_thread (arg=0x7fa0967fc700) at pthread_create.c:463
        pd = 0x7fa0967fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140327696451328, 1440402291099330077, 140327696448576, 0, 94522934318800, 140728728967760, -1388099620191443427, -1387961625404348899}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#8  0x00007fa0d6d3888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 5 (Thread 0x7fa0aac59700 (LWP 8187)):
#0  0x00007fa0d6d2bbf9 in __GI___poll (fds=0x55f7d5a7c280, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fa0de47e439 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x55f7d5a7c280, timeout=<optimized out>, context=0x55f7d5810710) at ../../../../glib/gmain.c:4204
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7fa0de48dc80 <g_poll>
        poll_func = <optimized out>
        ret = <optimized out>
        errsv = <optimized out>
#2  g_main_context_iterate (context=context@entry=0x55f7d5810710, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3898
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x55f7d5a7c280
#3  0x00007fa0de47e54c in g_main_context_iteration (context=context@entry=0x55f7d5810710, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3964
        retval = <optimized out>
#4  0x00007fa0aac6146d in dconf_gdbus_worker_thread (user_data=0x55f7d5810710) at dconf-gdbus-thread.c:82
        context = 0x55f7d5810710
#5  0x00007fa0de4a5e05 in g_thread_proxy (data=0x55f7d5a8de80) at ../../../../glib/gthread.c:784
        thread = 0x55f7d5a8de80
        _g_boolean_var_ = <optimized out>
#6  0x00007fa0d700f6db in start_thread (arg=0x7fa0aac59700) at pthread_create.c:463
        pd = 0x7fa0aac59700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140328036570880, 1440402291099330077, 140328036568128, 0, 94522929897088, 140728728964208, -1388230412146153955, -1387961625404348899}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#7  0x00007fa0d6d3888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 4 (Thread 0x7fa0b2412700 (LWP 8186)):
#0  0x00007fa0d6d2bbf9 in __GI___poll (fds=0x7fa0a4011600, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fa0de47e439 in g_main_context_poll (priority=<optimized out>, n_fds=3, fds=0x7fa0a4011600, timeout=<optimized out>, context=0x55f7d53efbc0) at ../../../../glib/gmain.c:4204
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7fa0de48dc80 <g_poll>
        poll_func = <optimized out>
        ret = <optimized out>
        errsv = <optimized out>
#2  g_main_context_iterate (context=0x55f7d53efbc0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3898
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = 3
        fds = 0x7fa0a4011600
#3  0x00007fa0de47e7d2 in g_main_loop_run (loop=0x55f7d53efd00) at ../../../../glib/gmain.c:4099
        self = <optimized out>
        __func__ = "g_main_loop_run"
#4  0x00007fa0dea6ae16 in gdbus_shared_thread_func (user_data=0x55f7d53efb90) at ../../../../gio/gdbusprivate.c:275
        data = 0x55f7d53efb90
#5  0x00007fa0de4a5e05 in g_thread_proxy (data=0x55f7d53a0800) at ../../../../glib/gthread.c:784
        thread = 0x55f7d53a0800
        _g_boolean_var_ = <optimized out>
#6  0x00007fa0d700f6db in start_thread (arg=0x7fa0b2412700) at pthread_create.c:463
        pd = 0x7fa0b2412700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140328162109184, 1440402291099330077, 140328162106432, 0, 94522922633216, 140728728964144, -1388178773217483235, -1387961625404348899}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#7  0x00007fa0d6d3888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 3 (Thread 0x7fa0b2c13700 (LWP 8185)):
#0  0x00007fa0d6d2bbf9 in __GI___poll (fds=0x55f7d53e2850, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fa0de47e439 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x55f7d53e2850, timeout=<optimized out>, context=0x55f7d53e2540) at ../../../../glib/gmain.c:4204
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7fa0de48dc80 <g_poll>
        poll_func = <optimized out>
        ret = <optimized out>
        errsv = <optimized out>
#2  g_main_context_iterate (context=context@entry=0x55f7d53e2540, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3898
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x55f7d53e2850
#3  0x00007fa0de47e54c in g_main_context_iteration (context=0x55f7d53e2540, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3964
        retval = <optimized out>
#4  0x00007fa0de47e591 in glib_worker_main (data=<optimized out>) at ../../../../glib/gmain.c:5773
No locals.
#5  0x00007fa0de4a5e05 in g_thread_proxy (data=0x55f7d537ff20) at ../../../../glib/gthread.c:784
        thread = 0x55f7d537ff20
        _g_boolean_var_ = <optimized out>
#6  0x00007fa0d700f6db in start_thread (arg=0x7fa0b2c13700) at pthread_create.c:463
        pd = 0x7fa0b2c13700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140328170501888, 1440402291099330077, 140328170499136, 0, 94522922499872, 140728728963760, -1388177673168984547, -1387961625404348899}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#7  0x00007fa0d6d3888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 2 (Thread 0x7fa0b3e18700 (LWP 8184)):
#0  0x00007fa0d70159f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fa0cd4c21e4 <bmalloc::SafePerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+68>) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
        __ret = -512
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f7d534f5f0, cond=0x7fa0cd4c21b8 <bmalloc::SafePerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+24>) at pthread_cond_wait.c:502
        spin = 0
        buffer = {__routine = 0x7fa0d7015690 <__condvar_cleanup_waiting>, __arg = 0x7fa0b3e17a50, __canceltype = -850668856, __prev = 0x0}
        cbuffer = {wseq = 5, cond = 0x7fa0cd4c21b8 <bmalloc::SafePerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+24>, mutex = 0x55f7d534f5f0, private = 0}
        rt = <optimized out>
        err = <optimized out>
        g = 1
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = <optimized out>
        seq = 2
        private = <optimized out>
        maxspin = <optimized out>
        err = <optimized out>
        result = <optimized out>
        wseq = <optimized out>
        g = <optimized out>
        seq = <optimized out>
        flags = <optimized out>
        private = <optimized out>
        signals = <optimized out>
        g1_start = <optimized out>
        spin = <optimized out>
        buffer = <optimized out>
        cbuffer = <optimized out>
        rt = <optimized out>
        s = <optimized out>
#2  __pthread_cond_wait (cond=0x7fa0cd4c21b8 <bmalloc::SafePerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+24>, mutex=0x55f7d534f5f0) at pthread_cond_wait.c:655
No locals.
#3  0x00007fa0c20b9230 in __gthread_cond_wait (__mutex=<optimized out>, __cond=0x7fa0cd4c21b8 <bmalloc::SafePerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+24>) at /build/gcc-8-8s_5_Q/gcc-8-8-20180321/build/x86_64-linux-gnu/libstdc++-v3/include/x86_64-linux-gnu/bits/gthr-default.h:864
No locals.
#4  std::condition_variable::wait (this=this@entry=0x7fa0cd4c21b8 <bmalloc::SafePerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+24>, __lock=...) at ../../../../../src/libstdc++-v3/src/c++11/condition_variable.cc:53
        __e = <optimized out>
#5  0x00007fa0cd261bd7 in std::_V2::condition_variable_any::wait<std::unique_lock<bmalloc::Mutex> > (__lock=<synthetic pointer>..., this=<optimized out>) at /usr/include/c++/7/condition_variable:251
        __mutex = {<std::__shared_ptr<std::mutex, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<std::mutex, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = <optimized out>, _M_refcount = {_M_pi = 0x55f7d534f620}}, <No data fields>}
        __my_lock = {_M_device = 0x0, _M_owns = false}
        __unlock = <optimized out>
        __my_lock2 = {_M_device = 0x55f7d534f5f0, _M_owns = true}
        __mutex = <optimized out>
        __my_lock = <optimized out>
        __unlock = <optimized out>
        __my_lock2 = <optimized out>
#6  std::_V2::condition_variable_any::wait<std::unique_lock<bmalloc::Mutex>, bmalloc::Scavenger::threadRunLoop()::<lambda()> > (__p=..., __lock=..., this=<optimized out>) at /usr/include/c++/7/condition_variable:260
No locals.
#7  bmalloc::Scavenger::threadRunLoop (this=0x7fa0cd4c21a0 <bmalloc::SafePerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory>) at ./Source/bmalloc/bmalloc/Scavenger.cpp:161
        lock = {_M_device = 0x7fa0cd4c21b1 <bmalloc::SafePerProcessStorageTraits<bmalloc::Scavenger>::Storage::s_memory+17>, _M_owns = false}
        truth = <optimized out>
#8  0x00007fa0c20bf363 in execute_native_thread_routine () at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:80
        __t = {_M_t = {_M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x55f7d5319340}, <No data fields>}, <No data fields>}}}
#9  0x00007fa0d700f6db in start_thread (arg=0x7fa0b3e18700) at pthread_create.c:463
        pd = 0x7fa0b3e18700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140328189396736, 1440402291099330077, 140328189393984, 0, 94522922079040, 140728728968496, -1388180148680759779, -1387961625404348899}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#10 0x00007fa0d6d3888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 1 (Thread 0x7fa0deeb3f80 (LWP 8181)):
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
        set = {__val = {0, 4294967296, 4294967296, 4294967296, 4294967296, 0, 4294967296, 4294967296, 4294967296, 4294967296, 4294967296, 4294967296, 0, 0, 4294967296, 4294967296}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007fa0d6c57801 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x40, sa_sigaction = 0x40}, sa_mask = {__val = {4530058761320700928, 0, 94522931596560, 0, 94522933851264, 94522933851264, 94522922721680, 94522934113936, 140328892457675, 23391448982, 94522933851264, 94522922686560, 94522922721680, 140327922965536, 140728728966432, 140728728966720}}, sa_flags = -169454304, sa_restorer = 0x1000}
        sigs = {__val = {32, 0 <repeats 15 times>}}
        __cnt = <optimized out>
        __set = <optimized out>
        __cnt = <optimized out>
        __set = <optimized out>
#2  0x00007fa0d6ca0897 in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7fa0d6dcdb9a "%s\n") at ../sysdeps/posix/libc_fatal.c:181
        ap = {{gp_offset = 24, fp_offset = 32765, overflow_arg_area = 0x7ffdf5e65650, reg_save_area = 0x7ffdf5e655e0}}
        fd = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
        on_2 = <optimized out>
        next = <optimized out>
        str = <optimized out>
        len = <optimized out>
        newp = <optimized out>
        iov = <optimized out>
        total = <optimized out>
        cnt = <optimized out>
        buf = <optimized out>
        wp = <optimized out>
        old = <optimized out>
        cnt = <optimized out>
        result = <optimized out>
#3  0x00007fa0d6ca790a in malloc_printerr (str=str@entry=0x7fa0d6dcbc9d "corrupted size vs. prev_size") at malloc.c:5350
No locals.
#4  0x00007fa0d6cacacf in _int_realloc (av=av@entry=0x7fa0d7002c40 <main_arena>, oldp=oldp@entry=0x55f7d56c5400, oldsize=oldsize@entry=912, nb=nb@entry=928) at malloc.c:4564
        newp = 0x55f7d56c5400
        newsize = <optimized out>
        newmem = <optimized out>
        next = 0x55f7d56c5790
        remainder = <optimized out>
        remainder_size = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        copysize = <optimized out>
        ncopies = <optimized out>
        s = <optimized out>
        d = <optimized out>
        __PRETTY_FUNCTION__ = "_int_realloc"
        nextsize = <optimized out>
#5  0x00007fa0d6caff9b in __GI___libc_realloc (oldmem=0x55f7d56c5410, bytes=bytes@entry=912) at malloc.c:3230
        ar_ptr = 0x7fa0d7002c40 <main_arena>
        nb = 928
        newp = <optimized out>
        hook = <optimized out>
        oldp = 0x55f7d56c5400
        oldsize = 912
        __x = <optimized out>
        newmem = <optimized out>
        newmem = <optimized out>
        ignore1 = <optimized out>
        ignore2 = <optimized out>
        ignore3 = <optimized out>
        ignore = <optimized out>
#6  0x00007fa0de483910 in g_realloc (mem=<optimized out>, n_bytes=n_bytes@entry=912) at ../../../../glib/gmem.c:164
        newmem = <optimized out>
        _g_boolean_var_ = <optimized out>
#7  0x00007fa0de76101b in g_object_weak_ref (object=0x55f7d5380b10, notify=0x7fa0de4b29a0 <g_nullify_pointer>, data=0x55f7d5409a50) at ../../../../gobject/gobject.c:2823
        wstack = <optimized out>
        i = 55
        __func__ = "g_object_weak_ref"
#8  0x00007fa0de76120d in g_object_add_weak_pointer (object=<optimized out>, weak_pointer_location=<optimized out>) at ../../../../gobject/gobject.c:2903
        __func__ = "g_object_add_weak_pointer"
#9  0x00007fa0dd89f0d1 in gdk_window_queue (new_item=0x55f7d5409a50, window=0x55f7d5380b10) at ../../../../../gdk/x11/gdkgeometry-x11.c:211
        display_x11 = 0x55f7d53700e0
        display_x11 = <optimized out>
        serial = <optimized out>
        tmp_list = <optimized out>
        item = <optimized out>
        next = <optimized out>
        tmp_list = <optimized out>
        item = <optimized out>
        next = <optimized out>
#10 _gdk_x11_window_queue_antiexpose (window=0x55f7d5380b10, area=<optimized out>) at ../../../../../gdk/x11/gdkgeometry-x11.c:224
        item = 0x55f7d5409a50
#11 0x00007fa0dd87ec19 in gdk_window_process_updates_internal (window=0x55f7d5380b10) at ../../../../gdk/gdkwindow.c:3996
        expose_region = 0x55f7d5c39a00
        impl_class = 0x55f7d5381000
        toplevel = <optimized out>
        display = <optimized out>
        __func__ = "gdk_window_process_updates_internal"
#12 0x00007fa0dd87ee20 in gdk_window_process_updates_with_mode (window=<optimized out>, recurse_mode=<optimized out>) at ../../../../gdk/gdkwindow.c:4192
        impl_window = 0x55f7d5380b10
        list = 0x55f7d5537340
        i = <optimized out>
        __func__ = "gdk_window_process_updates_with_mode"
#13 0x00007fa0de757f6d in g_closure_invoke (closure=0x55f7d5daa720, return_value=0x0, n_param_values=1, param_values=0x7ffdf5e65a80, invocation_hint=0x7ffdf5e65a00) at ../../../../gobject/gclosure.c:804
        marshal = 0x7fa0de759e60 <g_cclosure_marshal_VOID__VOID>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x55f7d5daa700
        __func__ = "g_closure_invoke"
#14 0x00007fa0de76ad3e in signal_emit_unlocked_R (node=node@entry=0x55f7d5387d60, detail=detail@entry=0, instance=instance@entry=0x55f7d57fe700, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffdf5e65a80) at ../../../../gobject/gsignal.c:3635
        tmp = <optimized out>
        handler = 0x55f7d5d28f00
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x55f7d57fe700, ihint = {signal_id = 32, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = <optimized out>
        hlist = <optimized out>
        handler_list = 0x55f7d5d28f00
        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 = 32
        max_sequential_handler_number = 67267
        return_value_altered = 0
#15 0x00007fa0de7733f5 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffdf5e65c40) at ../../../../gobject/gsignal.c:3391
        instance_and_params = 0x7ffdf5e65a80
        signal_return_type = <optimized out>
        param_values = 0x7ffdf5e65a98
        node = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#16 0x00007fa0de773e0f in g_signal_emit (instance=instance@entry=0x55f7d57fe700, signal_id=<optimized out>, detail=detail@entry=0) at ../../../../gobject/gsignal.c:3447
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7ffdf5e65d20, reg_save_area = 0x7ffdf5e65c60}}
#17 0x00007fa0dd8765af in _gdk_frame_clock_emit_paint (frame_clock=frame_clock@entry=0x55f7d57fe700) at ../../../../gdk/gdkframeclock.c:640
No locals.
#18 0x00007fa0dd876d09 in gdk_frame_clock_paint_idle (data=0x55f7d57fe700) at ../../../../gdk/gdkframeclockidle.c:459
        clock = 0x55f7d57fe700
        clock_idle = 0x55f7d57fe700
        priv = 0x55f7d57fe620
        skip_to_resume_events = 0
        timings = 0x55f7d5c56a40
        __func__ = "gdk_frame_clock_paint_idle"
#19 0x00007fa0dd8622c0 in gdk_threads_dispatch (data=0x55f7d55436e0, data@entry=<error reading variable: value has been optimized out>) at ../../../../gdk/gdk.c:743
        dispatch = 0x55f7d55436e0
        ret = 0
#20 0x00007fa0de47eb73 in g_timeout_dispatch (source=source@entry=0x55f7d5e84ad0, callback=<optimized out>, user_data=<optimized out>) at ../../../../glib/gmain.c:4650
        timeout_source = 0x55f7d5e84ad0
        again = <optimized out>
#21 0x00007fa0de47e0f5 in g_main_dispatch (context=0x55f7d538fc70) at ../../../../glib/gmain.c:3177
        dispatch = 0x7fa0de47eb60 <g_timeout_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x55f7d55436e0
        callback = 0x7fa0dd8622a0 <gdk_threads_dispatch>
        cb_funcs = 0x7fa0de746280 <g_source_callback_funcs>
        cb_data = 0x55f7d5fce770
        need_destroy = <optimized out>
        source = 0x55f7d5e84ad0
        current = 0x55f7d53c76a0
        i = 0
        current = <optimized out>
        i = <optimized out>
        source = <optimized out>
        _g_boolean_var_ = <optimized out>
        was_in_call = <optimized out>
        user_data = <optimized out>
        callback = <optimized out>
        cb_funcs = <optimized out>
        cb_data = <optimized out>
        need_destroy = <optimized out>
        dispatch = <optimized out>
        prev_source = <optimized out>
        _g_boolean_var_ = <optimized out>
#22 g_main_context_dispatch (context=context@entry=0x55f7d538fc70) at ../../../../glib/gmain.c:3830
No locals.
#23 0x00007fa0de47e4c0 in g_main_context_iterate (context=context@entry=0x55f7d538fc70, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3903
        max_priority = 120
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 3
        fds = 0x55f7d5aa6b90
#24 0x00007fa0de47e54c in g_main_context_iteration (context=context@entry=0x55f7d538fc70, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3964
        retval = <optimized out>
#25 0x00007fa0dea3ed0d in g_application_run (application=0x55f7d57fe3d0, argc=<optimized out>, argv=<optimized out>) at ../../../../gio/gapplication.c:2470
        arguments = 0x55f7d59bb330
        status = 0
        context = 0x55f7d538fc70
        acquired_context = <optimized out>
        __func__ = "g_application_run"
#26 0x000055f7d3596b91 in main (argc=<optimized out>, argv=<optimized out>) at ../shell/main.c:57
        application = 0x55f7d57fe3d0