Remote debugging using | /usr/lib64/valgrind/../../bin/vgdb --pid=20574
relaying data between gdb and process 20574
warning: remote target does not support file transfer, attempting to access files from local filesystem.
Reading symbols from /usr/bin/gnome-calendar...Reading symbols from /usr/lib/debug/usr/bin/gnome-calendar.debug...done.
done.
Reading symbols from /lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib/debug/usr/lib64/ld-2.24.so.debug...done.
done.
0x0000000004000cd0 in _start () from /lib64/ld-linux-x86-64.so.2
Continuing.
[New Thread 20788]
[New Thread 20783]
[New Thread 20784]
[New Thread 20785]
[New Thread 20786]
[New Thread 20798]
[New Thread 21457]

Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
0x000000000639f8c0 in gtk_widget_get_scale_factor (widget=<optimized out>) at gtkwidget.c:10878
10878	  if (_gtk_widget_get_realized (widget))
Missing separate debuginfos, use: dnf debuginfo-install GConf2-3.2.6-16.fc24.x86_64 gvfs-client-1.30.3-1.fc25.x86_64 librsvg2-2.40.16-2.fc25.x86_64
#0  0x000000000639f8c0 in gtk_widget_get_scale_factor (widget=<optimized out>) at gtkwidget.c:10878
#1  0x00000000061ba649 in gtk_css_widget_node_get_style_provider (node=0x21ebb360 [GtkCssWidgetNode])
    at gtkcsswidgetnode.c:250
#2  0x00000000061a02bc in gtk_css_node_get_style_provider_or_null (cssnode=0x21ebb360 [GtkCssWidgetNode]) at gtkcssnode.c:121
#3  0x00000000061a02bc in gtk_css_node_invalidate_style_provider (cssnode=<optimized out>)
    at gtkcssnode.c:1316
#7  0x0000000008afe43f in <emit signal ??? on instance 0x24c35ca0 [GtkStyleCascade]> (instance=<optimized out>, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3447
    #4  0x0000000008ae33e5 in g_closure_invoke (closure=0x21eb9e48, return_value=return_value@entry=0x0, n_param_values=1, param_values=param_values@entry=0xffefff980, invocation_hint=invocation_hint@entry=0xffefff900) at gclosure.c:804
    #5  0x0000000008af5432 in signal_emit_unlocked_R (node=node@entry=0x1f295d60, detail=detail@entry=0, instance=instance@entry=0x24c35ca0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0xffefff980) at gsignal.c:3635
    #6  0x0000000008afe05f in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0xffefffb40) at gsignal.c:3391
#8  0x000000000630186f in _gtk_style_provider_private_changed (provider=<optimized out>)
    at gtkstyleproviderprivate.c:113
#9  0x00000000062fb3cc in _gtk_style_cascade_remove_provider (cascade=<optimized out>, provider=provider@entry=0x1f296f60) at gtkstylecascade.c:400
#10 0x00000000062fc2ae in gtk_style_context_remove_provider_for_screen (screen=<optimized out>, provider=provider@entry=0x1f296f60) at gtkstylecontext.c:741
#11 0x0000000000126ccd in gcal_application_finalize (object=0x1f2662f0 [GcalApplication])
    at gcal-application.c:212
#12 0x0000000008ae8117 in g_object_unref (_object=0x1f2662f0) at gobject.c:3185
#13 0x000000000011f15a in main (argc=<optimized out>, argv=0xffefffd78) at main.c:44

Thread 8 (Thread 21457):
#0  0x00000000099f4be9 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x0000000008db5a7a in g_cond_wait_until (cond=cond@entry=0x1f2f52b8, mutex=mutex@entry=0x1f2f52b0, end_time=end_time@entry=4619329024) at gthread-posix.c:1442
        now = {tv_sec = 4618, tv_nsec = 829039719}
        span = {tv_sec = 0, tv_nsec = 499984281}
        sampled = 15
        res = <optimized out>
#2  0x0000000008d448c9 in g_async_queue_pop_intern_unlocked (queue=0x1f2f52b0, wait=wait@entry=1, end_time=4619329024) at gasyncqueue.c:422
        retval = <optimized out>
        __func__ = "g_async_queue_pop_intern_unlocked"
#3  0x0000000008d44f28 in g_async_queue_timeout_pop_unlocked (queue=<optimized out>, timeout=timeout@entry=500000) at gasyncqueue.c:570
        end_time = <optimized out>
#4  0x0000000008d984d6 in g_thread_pool_wait_for_new_task (pool=<optimized out>) at gthreadpool.c:262
        task = <optimized out>
        pool = 0x1f2f5210
#5  0x0000000008d984d6 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:296
        pool = 0x1f2f5210
#6  0x0000000008d97b03 in g_thread_proxy (data=0x1f4c0ce0) at gthread.c:784
        thread = 0x1f4c0ce0
        __func__ = "g_thread_proxy"
#7  0x000000000946b6ca in start_thread (arg=0x368bb700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x368bb700
        now = <optimized out>
        unwind_buf = 
              {cancel_jmp_buf = {{jmp_buf = {915126016, -2308336876673098297, 0, 566290319, 915126720, 915126016, -2308289695639462457, -2308322019928891961}, 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"
#8  0x00000000099faf6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 7 (Thread 20798):
#0  0x00000000099ef00d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x0000000008d70156 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x23e753e0, timeout=<optimized out>, context=0x23e64e50) at gmain.c:4228
        poll_func = 0x8d80000 <g_poll>
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x23e753e0
#2  0x0000000008d70156 in g_main_context_iterate (context=0x23e64e50, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3924
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x23e753e0
#3  0x0000000008d704e2 in g_main_loop_run (loop=0x23e75390) at gmain.c:4125
        __func__ = "g_main_loop_run"
#4  0x0000000005bc7983 in cal_client_dbus_thread (user_data=0x23e64e50) at e-cal-client.c:317
        main_context = 0x23e64e50
        main_loop = 0x23e75390
#5  0x0000000008d97b03 in g_thread_proxy (data=0x23e65220) at gthread.c:784
        thread = 0x23e65220
        __func__ = "g_thread_proxy"
#6  0x000000000946b6ca in start_thread (arg=0x294ef700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x294ef700
        now = <optimized out>
        unwind_buf = 
              {cancel_jmp_buf = {{jmp_buf = {693040896, -2308336876673098297, 0, 68702695583, 693041600, 693040896, -2308251717391147577, -2308322019928891961}, 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  0x00000000099faf6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 6 (Thread 20786):
#0  0x00000000099ef00d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x0000000008d70156 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x1f305050, timeout=<optimized out>, context=0x1f2f6b70) at gmain.c:4228
        poll_func = 0x8d80000 <g_poll>
        max_priority = 0
        timeout = 0
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 2
        fds = 0x1f305050
#2  0x0000000008d70156 in g_main_context_iterate (context=0x1f2f6b70, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3924
        max_priority = 0
        timeout = 0
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 2
        fds = 0x1f305050
#3  0x0000000008d704e2 in g_main_loop_run (loop=0x1f2f6f40) at gmain.c:4125
        __func__ = "g_main_loop_run"
#4  0x000000000880a946 in gdbus_shared_thread_func (user_data=0x1f2f6b10) at gdbusprivate.c:247
        data = 0x1f2f6b10
#5  0x0000000008d97b03 in g_thread_proxy (data=0x1f2f6f90) at gthread.c:784
        thread = 0x1f2f6f90
        __func__ = "g_thread_proxy"
#6  0x000000000946b6ca in start_thread (arg=0x21c0f700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x21c0f700
        now = <optimized out>
        unwind_buf = 
              {cancel_jmp_buf = {{jmp_buf = {566294272, -2308336876673098297, 0, 549504991, 566294976, 566294272, -2308270357549212217, -2308322019928891961}, 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  0x00000000099faf6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 5 (Thread 20785):
#0  0x00000000099ef00d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x0000000008d70156 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x1f302820, timeout=<optimized out>, context=0x1f2f5560) at gmain.c:4228
        poll_func = 0x8d80000 <g_poll>
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x1f302820
#2  0x0000000008d70156 in g_main_context_iterate (context=context@entry=0x1f2f5560, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3924
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x1f302820
#3  0x0000000008d7026c in g_main_context_iteration (context=0x1f2f5560, may_block=may_block@entry=1)
    at gmain.c:3990
        retval = <optimized out>
#4  0x0000000008d702b1 in glib_worker_main (data=<optimized out>) at gmain.c:5783
#5  0x0000000008d97b03 in g_thread_proxy (data=0x1f2f5930) at gthread.c:784
        thread = 0x1f2f5930
        __func__ = "g_thread_proxy"
#6  0x000000000946b6ca in start_thread (arg=0x2140e700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x2140e700
        now = <optimized out>
        unwind_buf = 
              {cancel_jmp_buf = {{jmp_buf = {557901568, -2308336876673098297, 0, 549504639, 557902272, 557901568, -2308269259648197177, -2308322019928891961}, 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  0x00000000099faf6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 20784):
#0  0x00000000099ef00d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x0000000008d70156 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x1f29b210, timeout=<optimized out>, context=0x1f294490) at gmain.c:4228
        poll_func = 0x8d80000 <g_poll>
        max_priority = 2147483647
        timeout = 24997
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x1f29b210
#2  0x0000000008d70156 in g_main_context_iterate (context=context@entry=0x1f294490, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3924
        max_priority = 2147483647
        timeout = 24997
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x1f29b210
#3  0x0000000008d7026c in g_main_context_iteration (context=context@entry=0x1f294490, may_block=may_block@entry=1) at gmain.c:3990
        retval = <optimized out>
#4  0x0000000020206fad in dconf_gdbus_worker_thread (user_data=0x1f294490) at dconf-gdbus-thread.c:82
        context = 0x1f294490
#5  0x0000000008d97b03 in g_thread_proxy (data=0x1f294860) at gthread.c:784
        thread = 0x1f294860
        __func__ = "g_thread_proxy"
#6  0x000000000946b6ca in start_thread (arg=0x20c0d700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x20c0d700
        now = <optimized out>
        unwind_buf = 
              {cancel_jmp_buf = {{jmp_buf = {549508864, -2308336876673098297, 0, 68702695791, 549509568, 549508864, -2308268159599698489, -2308322019928891961}, 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  0x00000000099faf6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 20783):
#0  0x0000000009471460 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000000000b9ef2ec in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x0)
    at /usr/src/debug/gcc-6.2.1-20160916/obj-x86_64-redhat-linux/x86_64-redhat-linux/libstdc++-v3/include/x86_64-redhat-linux/bits/gthr-default.h:864
        __e = <optimized out>
#2  0x000000000b9ef2ec in std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=this@entry=0xff31e48 <bmalloc::PerProcess<bmalloc::Heap>::s_memory+3080>, __lock=...)
    at ../../../../../libstdc++-v3/src/c++11/condition_variable.cc:53
        __e = <optimized out>
#3  0x000000000fd483a6 in std::_V2::condition_variable_any::wait<std::unique_lock<bmalloc::Mutex> >(std::unique_lock<bmalloc::Mutex>&) (__lock=<synthetic pointer>..., this=<optimized out>)
    at /usr/include/c++/6.2.1/condition_variable:251
        __mutex = std::shared_ptr (count 2, weak 0) 0x0
        __my_lock = {_M_device = 0x0, _M_owns = false}
        __my_lock2 = {_M_device = 0x1f25ad90, _M_owns = true}
        lock = 
          {_M_device = 0xff31e44 <bmalloc::PerProcess<bmalloc::Heap>::s_memory+3076>, _M_owns = false}
        expectedState = bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::Running
#4  0x000000000fd483a6 in std::_V2::condition_variable_any::wait<std::unique_lock<bmalloc::Mutex>, bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadRunLoop()::{lambda()#1}>(std::unique_lock<bmalloc::Mutex>&, bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadRunLoop()::{lambda()#1}) (__p=..., __lock=..., this=<optimized out>) at /usr/include/c++/6.2.1/condition_variable:260
        lock = 
          {_M_device = 0xff31e44 <bmalloc::PerProcess<bmalloc::Heap>::s_memory+3076>, _M_owns = false}
        expectedState = bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::Running
#5  0x000000000fd483a6 in bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadRunLoop() (this=0xff31e40 <bmalloc::PerProcess<bmalloc::Heap>::s_memory+3072>)
    at /usr/src/debug/webkitgtk-2.14.2/Source/bmalloc/bmalloc/AsyncTask.h:126
        lock = 
          {_M_device = 0xff31e44 <bmalloc::PerProcess<bmalloc::Heap>::s_memory+3076>, _M_owns = false}
        expectedState = bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::Running
#6  0x000000000fd484d9 in bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadEntryPoint(bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>*) (asyncTask=<optimized out>)
    at /usr/src/debug/webkitgtk-2.14.2/Source/bmalloc/bmalloc/AsyncTask.h:106
#7  0x000000000b9f535f in std::execute_native_thread_routine(void*) (__p=0x1f25ae60)
    at ../../../../../libstdc++-v3/src/c++11/thread.cc:83
        __t = std::unique_ptr<std::thread::_State> containing 0x1f25ae60
#8  0x000000000946b6ca in start_thread (arg=0x1fe06700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x1fe06700
        now = <optimized out>
        unwind_buf = 
              {cancel_jmp_buf = {{jmp_buf = {534800128, -2308336876673098297, 0, 68702698207, 534800832, 534800128, -2308345396533453369, -2308322019928891961}, 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"
#9  0x00000000099faf6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 20788):
#0  0x00000000099ef00d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x0000000008d70156 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x23d90fc0, timeout=<optimized out>, context=0x1f5a2450) at gmain.c:4228
        poll_func = 0x8d80000 <g_poll>
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x23d90fc0
#2  0x0000000008d70156 in g_main_context_iterate (context=0x1f5a2450, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3924
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x23d90fc0
#3  0x0000000008d704e2 in g_main_loop_run (loop=0x1f5a2820) at gmain.c:4125
        __func__ = "g_main_loop_run"
#4  0x0000000007a53e44 in source_registry_object_manager_thread (data=0x1f5a23d0)
    at e-source-registry.c:1164
        object_manager = 0x1f5bb370
        closure = 0x1f5a23d0
        idle_source = 0x23d90d20
        list = <optimized out>
        link = <optimized out>
        object_added_handler_id = 477
        object_removed_handler_id = 478
        notify_name_owner_handler_id = 479
        __func__ = "source_registry_object_manager_thread"
#5  0x0000000008d97b03 in g_thread_proxy (data=0x1f5a2870) at gthread.c:784
        thread = 0x1f5a2870
        __func__ = "g_thread_proxy"
#6  0x000000000946b6ca in start_thread (arg=0x22c11700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x22c11700
        now = <optimized out>
        unwind_buf = 
              {cancel_jmp_buf = {{jmp_buf = {583079680, -2308336876673098297, 0, 68702695711, 583080384, 583079680, -2308263767995638329, -2308322019928891961}, 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  0x00000000099faf6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 20574):
#0  0x000000000639f8c0 in gtk_widget_get_scale_factor (widget=<optimized out>) at gtkwidget.c:10878
        toplevel = <optimized out>
        display = <optimized out>
        monitor = <optimized out>
        __func__ = "gtk_widget_get_scale_factor"
#1  0x00000000061ba649 in gtk_css_widget_node_get_style_provider (node=0x21ebb360 [GtkCssWidgetNode])
    at gtkcsswidgetnode.c:250
        widget_node = 0x21ebb360 [GtkCssWidgetNode]
        context = <optimized out>
        node = 0x21ebb360 [GtkCssWidgetNode]
        widget_node = 0x21ebb360 [GtkCssWidgetNode]
        context = <optimized out>
#2  0x00000000061a02bc in gtk_css_node_get_style_provider_or_null (cssnode=0x21ebb360 [GtkCssWidgetNode]) at gtkcssnode.c:121
        child = 0x21ebb360 [GtkCssWidgetNode]
#3  0x00000000061a02bc in gtk_css_node_invalidate_style_provider (cssnode=<optimized out>)
    at gtkcssnode.c:1316
        child = 0x21ebb360 [GtkCssWidgetNode]
#7  0x0000000008afe43f in <emit signal ??? on instance 0x24c35ca0 [GtkStyleCascade]> (instance=<optimized out>, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3447
        var_args = 
            {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0xffefffc20, reg_save_area = 0xffefffb60}}
    #4  0x0000000008ae33e5 in g_closure_invoke (closure=0x21eb9e48, return_value=return_value@entry=0x0, n_param_values=1, param_values=param_values@entry=0xffefff980, invocation_hint=invocation_hint@entry=0xffefff900) at gclosure.c:804
                marshal = <optimized out>
                marshal_data = <optimized out>
                in_marshal = 0
                real_closure = 0x21eb9e28
                __func__ = "g_closure_invoke"
    #5  0x0000000008af5432 in signal_emit_unlocked_R (node=node@entry=0x1f295d60, detail=detail@entry=0, instance=instance@entry=0x24c35ca0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0xffefff980) at gsignal.c:3635
                tmp = <optimized out>
                handler = 0x21eb9da0
                accumulator = 0x0
                emission = 
                  {next = 0x0, instance = 0x24c35ca0, ihint = {signal_id = 19, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
                class_closure = 0x1f295c98
                handler_list = 0x21eb8670
                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 = 19
                max_sequential_handler_number = 11559
                return_value_altered = 1
    #6  0x0000000008afe05f in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0xffefffb40) at gsignal.c:3391
                instance_and_params = 0xffefff980
                signal_return_type = <optimized out>
                param_values = 0xffefff998
                node = <optimized out>
                i = <optimized out>
                n_params = <optimized out>
                __func__ = "g_signal_emit_valist"
#8  0x000000000630186f in _gtk_style_provider_private_changed (provider=<optimized out>)
    at gtkstyleproviderprivate.c:113
#9  0x00000000062fb3cc in _gtk_style_cascade_remove_provider (cascade=<optimized out>, provider=provider@entry=0x1f296f60) at gtkstylecascade.c:400
        data = <optimized out>
        i = <optimized out>
#10 0x00000000062fc2ae in gtk_style_context_remove_provider_for_screen (screen=<optimized out>, provider=provider@entry=0x1f296f60) at gtkstylecontext.c:741
        cascade = <optimized out>
        __func__ = "gtk_style_context_remove_provider_for_screen"
#11 0x0000000000126ccd in gcal_application_finalize (object=0x1f2662f0 [GcalApplication])
    at gcal-application.c:212
        self = 0x1f2662f0 [GcalApplication]
#12 0x0000000008ae8117 in g_object_unref (_object=0x1f2662f0) at gobject.c:3185
        weak_locations = <optimized out>
        old_ref = <optimized out>
        object = 0x1f2662f0 [GcalApplication]
        object = 0x1f2662f0 [GcalApplication]
#13 0x000000000011f15a in main (argc=<optimized out>, argv=0xffefffd78) at main.c:44
        app = 0x1f2662f0 [GcalApplication]
        status = 0
Continuing.

Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
gtk_widget_get_scale_factor (widget=<optimized out>) at gtkwidget.c:10881
10881	  toplevel = _gtk_widget_get_toplevel (widget);
Continuing.

Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
0x000000000639f872 in gtk_widget_get_scale_factor (widget=<optimized out>) at gtkwidget.c:10876
10876	  g_return_val_if_fail (GTK_IS_WIDGET (widget), 1);
Continuing.

Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
0x0000000008b07789 in g_type_check_instance_is_a (type_instance=type_instance@entry=0x247b5240, 
    iface_type=522596944) at gtype.c:4007
4007	  if (!type_instance || !type_instance->g_class)
Continuing.

Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
_g_log_abort (breakpoint=breakpoint@entry=1) at gmessages.c:487
487	}
Continuing.

Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
0x0000000006398c83 in _gtk_widget_get_toplevel (widget=widget@entry=0x247b5240)
    at gtkwidgetprivate.h:381
381	  while (widget->priv->parent)
Continuing.

Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
0x0000000006398c87 in _gtk_widget_get_toplevel (widget=widget@entry=0x247b5240)
    at gtkwidgetprivate.h:381
381	  while (widget->priv->parent)
Continuing.

Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
gtk_widget_get_screen_unchecked (widget=widget@entry=0x21ebb280 [GtkImage]) at gtkwidget.c:10768
10768	  if (_gtk_widget_is_toplevel (toplevel))
Continuing.

Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
0x0000000006398ca1 in gtk_widget_get_screen_unchecked (widget=widget@entry=0x21ebb280 [GtkImage])
    at gtkwidget.c:10770
10770	      if (GTK_IS_WINDOW (toplevel))
Continuing.

Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
0x0000000008b07789 in g_type_check_instance_is_a (type_instance=type_instance@entry=0x247b5240, 
    iface_type=522603968) at gtype.c:4007
4007	  if (!type_instance || !type_instance->g_class)
Continuing.

Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
0x0000000008b07789 in g_type_check_instance_is_a (type_instance=type_instance@entry=0x247b5240, 
    iface_type=675971904) at gtype.c:4007
4007	  if (!type_instance || !type_instance->g_class)
Continuing.

Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
_g_log_abort (breakpoint=breakpoint@entry=1) at gmessages.c:487
487	}
Detaching from program: /usr/bin/gnome-calendar, Remote target
Ending remote debugging.
