Here is another call stack with a crash:
Thread 1 "kamoso" received signal SIGSEGV, Segmentation fault.
g_type_check_instance_is_fundamentally_a (type_instance=0x5555563169b0,
fundamental_type=0x50 [None]) at ../../../gobject/gtype.c:4167
Downloading source file
/usr/src/glib2.0-2.76.3-1ubuntu1/debian/build/deb/../../../gobject/gtype.c
4167 return node && (NODE_FUNDAMENTAL_TYPE(node) == fundamental_type);
(gdb) up
#1 0x00007ffff6eecfac in g_object_notify (object=0x5555563169b0,
property_name=0x7fffd80c6901 "zoom") at ../../../gobject/gobject.c:1584
1584 g_return_if_fail (G_IS_OBJECT (object));
(gdb) up
#2 0x00007ffff6edc010 in g_closure_invoke (closure=0x55555645bad0,
return_value=0x0, n_param_values=2, param_values=0x7fffffffcb80,
invocation_hint=0x7fffffffcb00)
at ../../../gobject/gclosure.c:832
Downloading source file
/usr/src/glib2.0-2.76.3-1ubuntu1/debian/build/deb/../../../gobject/gclosure.c
u832 marshal (closure,
(gdb) up
#3 0x00007ffff6f093d6 in signal_emit_unlocked_R.isra.0
(node=node@entry=0x5555559a0cc0, detail=detail@entry=2335,
instance=instance@entry=0x555556250c90,
emission_return=emission_return@entry=0x0,
instance_and_params=instance_and_params@entry=0x7fffffffcb80) at
../../../gobject/gsignal.c:3812
Downloading source file
/usr/src/glib2.0-2.76.3-1ubuntu1/debian/build/deb/../../../gobject/gsignal.c
3812 g_closure_invoke (handler->closure,
(gdb) up
#4 0x00007ffff6ef969a in g_signal_emit_valist (instance=<optimized out>,
signal_id=<optimized out>, detail=<optimized out>,
var_args=var_args@entry=0x7fffffffcd40)
at ../../../gobject/gsignal.c:3565
3565 signal_emit_unlocked_R (node, detail, instance, NULL,
instance_and_params);
(gdb) up
#5 0x00007ffff6ef9923 in g_signal_emit (instance=<optimized out>,
signal_id=<optimized out>, detail=<optimized out>) at
../../../gobject/gsignal.c:3622
3622 g_signal_emit_valist (instance, signal_id, detail, var_args);
(gdb) up
#6 0x00007ffff6ee6dc4 in g_object_dispatch_properties_changed
(object=0x555556250c90, n_pspecs=<optimized out>, pspecs=<optimized out>) at
../../../gobject/gobject.c:1428
1428 g_signal_emit (object, gobject_signals[NOTIFY],
g_param_spec_get_name_quark (pspecs[i]), pspecs[i]);
(gdb)
#7 0x00007ffff58ed458 in gst_object_dispatch_properties_changed
(object=0x555556250c90, n_pspecs=1, pspecs=0x7fffffffceb0) at
../gst/gstobject.c:455
455 ((GObjectClass *)
(gdb)
#8 0x00007ffff6edc5bc in g_object_notify_queue_thaw (object=0x555556250c90,
nqueue=<optimized out>) at ../../../gobject/gobject.c:359
359 G_OBJECT_GET_CLASS (object)->dispatch_properties_changed (object,
n_pspecs, pspecs);
(gdb)
#9 0x00007ffff6eeea2c in g_object_set_valist (object=0x555556250c90,
first_property_name=<optimized out>, var_args=0x7fffffffd040) at
../../../gobject/gobject.c:2793
2793 g_object_notify_queue_thaw (object, nqueue);
(gdb)
#10 0x00007ffff6eeeed4 in g_object_set (_object=0x555556250c90,
first_property_name=first_property_name@entry=0x7fffd80c6901 "zoom") at
../../../gobject/gobject.c:2957
2957 g_object_set_valist (object, first_property_name, var_args);
(gdb)
#11 0x00007fffd80c2882 in gst_camera_bin_create_elements
(camera=0x555556ca33f0) at ../gst/camerabin2/gstcamerabin2.c:1742
Downloading source file
/usr/src/gst-plugins-good1.0-1.22.3-1ubuntu1/obj-x86_64-linux-gnu/../gst/camerabin2/gstcamerabin2.c
[###
]
warning: Source file is more recent than executable.
1742 g_object_set (camera->src, "zoom", camera->zoom, NULL);
(gdb)
#12 gst_camera_bin_change_state (element=0x555556ca33f0,
trans=GST_STATE_CHANGE_NULL_TO_READY) at ../gst/camerabin2/gstcamerabin2.c:1891
1891 if (!gst_camera_bin_create_elements (camera)) {
(gdb)
#13 0x00007ffff591b801 in gst_element_change_state
(element=element@entry=0x555556ca33f0,
transition=transition@entry=GST_STATE_CHANGE_NULL_TO_READY) at
../gst/gstelement.c:3093
3093 ret = (oclass->change_state) (element, transition);
(gdb)
#14 0x00007ffff591be37 in gst_element_set_state_func (element=0x555556ca33f0,
state=GST_STATE_READY) at ../gst/gstelement.c:3047
3047 ret = gst_element_change_state (element, transition);
(gdb)
#15 0x000055555556baf0 in WebcamControl::playDevice (this=0x7fffffffd730,
device=0x555555df1a70) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:138
138 T *data() const noexcept
(gdb)
#16 0x000055555556cd88 in WebcamControl::onBusMessage (message=<optimized out>,
this=<optimized out>) at
/usr/src/kamoso-23.04.2-0ubuntu1/src/video/webcamcontrol.cpp:308
308 play();
(gdb)
#17 webcamWatch (message=<optimized out>, user_data=0x7fffffffd730) at
/usr/src/kamoso-23.04.2-0ubuntu1/src/video/webcamcontrol.cpp:244
244 wc->onBusMessage(message);
(gdb)
#18 0x00007ffff590584f in gst_bus_source_dispatch (source=0x555556334b90,
callback=0x55555556cc20 <webcamWatch(GstBus*, GstMessage*, gpointer)>,
user_data=0x7fffffffd730)
at ../gst/gstbus.c:821
821 keep = handler (bus, message, user_data);
(gdb)
#19 0x00007ffff57c032f in g_main_dispatch (context=0x7fffec000ee0) at
../../../glib/gmain.c:3460
3460 need_destroy = !(* dispatch) (source, callback, user_data);
(gdb)
#20 g_main_context_dispatch (context=0x7fffec000ee0) at
../../../glib/gmain.c:4200
4200 g_main_dispatch (context);
(gdb)
#21 0x00007ffff581b148 in g_main_context_iterate.constprop.0
(context=0x7fffec000ee0, block=<optimized out>, dispatch=1, self=<optimized
out>) at ../../../glib/gmain.c:4276
4276 g_main_context_dispatch (context);
(gdb)
#22 0x00007ffff57bf170 in g_main_context_iteration (context=0x7fffec000ee0,
may_block=1) at ../../../glib/gmain.c:4343
4343 retval = g_main_context_iterate (context, may_block, TRUE,
G_THREAD_SELF);
(gdb)
#23 0x00007ffff5d150ea in QEventDispatcherGlib::processEvents
(this=0x555555669db0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
423 bool result = g_main_context_iteration(d->mainContext, canWait);
(gdb)
#24 0x00007ffff5cb99db in QEventLoop::exec (this=this@entry=0x7fffffffd540,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
Downloading source file
/usr/src/qtbase-opensource-src-5.15.9+dfsg-3/src/corelib/../../include/QtCore/../../src/corelib/global/qflags.h
[###
]
69 Q_DECL_CONSTEXPR inline operator uint() const noexcept { return
uint(i); }
(gdb)
#25 0x00007ffff5cc1e2a in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
121 Q_DECL_CONSTEXPR inline QFlags(Enum flags) noexcept : i(Int(flags))
{}
(gdb)
#26 0x00007ffff6135df0 in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1863
Downloading source file
/usr/src/qtbase-opensource-src-5.15.9+dfsg-3/src/gui/kernel/qguiapplication.cpp
[ ###
]
warning: Source file is more recent than executable.
1863 return QCoreApplication::exec();
(gdb)
#27 0x00007ffff696bf09 in QApplication::exec () at kernel/qapplication.cpp:2832
Downloading source file
/usr/src/qtbase-opensource-src-5.15.9+dfsg-3/src/widgets/kernel/qapplication.cpp
2832 return QGuiApplication::exec();
(gdb)
#28 0x0000555555567585 in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/kamoso-23.04.2-0ubuntu1/src/main.cpp:47
Downloading source file /usr/src/kamoso-23.04.2-0ubuntu1/src/main.cpp
47 return app.exec();
(gdb)
Initial frame selected; you cannot go up.
(gdb)
--
You received this bug notification because you are a member of Kubuntu
Bugs, which is subscribed to kamoso in Ubuntu.
https://bugs.launchpad.net/bugs/2025060
Title:
kamoso crashes when switching camera
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/kamoso/+bug/2025060/+subscriptions
--
kubuntu-bugs mailing list
kubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
