https://bugs.kde.org/show_bug.cgi?id=499667
Bug ID: 499667
Summary: Kamsos crashes on launch
Classification: Applications
Product: kamoso
Version: 23.08.5
Platform: Ubuntu
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: aleix...@kde.org
Reporter: justinnoah+kde...@gmail.com
Target Milestone: ---
Application: kamoso (23.08.5)
Qt Version: 6.6.2
Frameworks Version: 6.6.0
Operating System: Linux 6.11.0-14-generic x86_64
Windowing System: Wayland
Distribution: Ubuntu 24.10
DrKonqi: 6.1.5 [KCrashBackend]
-- Information about the crash:
Launching from the terminal or Discover results in a window to open briefly
then crash. From the terminal I noticed some output about not being able to
allocate enough memory. The machine I am using for this has 32G RAM and at the
time of launch only about 5.5G was in use.
Terminal Output:
~ ยป kamoso
Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations.
Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations.
error debugMessage: Failed to allocate required memory.
error: "../sys/v4l2/gstv4l2src.c(956): gst_v4l2src_decide_allocation ():
/GstCameraBin:camerabin/GstWrapperCameraBinSrc:/GstV4l2Src:ipu6:\nBuffer pool
activation failed"
Stop
(kamoso:12486): GLib-GObject-CRITICAL **: 15:55:57.402: g_object_notify:
assertion 'G_IS_OBJECT (object)' failed
error debugMessage: Failed to allocate required memory.
error: "../sys/v4l2/gstv4l2src.c(956): gst_v4l2src_decide_allocation ():
/GstCameraBin:camerabin/GstWrapperCameraBinSrc:/GstV4l2Src:ipu6:\nBuffer pool
activation failed"
Stop
(kamoso:12486): GLib-GObject-CRITICAL **: 15:55:57.629: g_object_notify:
assertion 'G_IS_OBJECT (object)' failed
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = kamoso path = /usr/bin pid = 12486
KCrash: Arguments: /usr/bin/kamoso
KCrash: Attempting to start /usr/lib/x86_64-linux-gnu/libexec/drkonqi
qt.dbus.integration: Could not connect "org.freedesktop.NetworkManager" to
"stateChanged" : Type not registered with QtDBus in parameter list:
QNetworkManagerInterface::NMState
qt.dbus.integration: Could not connect "org.freedesktop.NetworkManager" to
"connectivityChanged" : Type not registered with QtDBus in parameter list:
QNetworkManagerInterface::NMConnectivityState
qt.dbus.integration: Could not connect "org.freedesktop.NetworkManager" to
"deviceTypeChanged" : Type not registered with QtDBus in parameter list:
QNetworkManagerInterface::NMDeviceType
qt.dbus.integration: Could not connect "org.freedesktop.NetworkManager" to
"meteredChanged" : Type not registered with QtDBus in parameter list:
QNetworkManagerInterface::NMMetered
qt.qml.typeresolution.cycle: Cyclic dependency detected between
"qrc:/qt/qml/org/kde/desktop/private/TextFieldContextMenu.qml" and
"qrc:/qt/qml/org/kde/desktop/MenuItem.qml"
qrc:/ui/MainPage.qml:64:13: QML MainPageButton: Binding loop detected for
property "icon.height"
qrc:/ui/MainPage.qml:48:13: QML MainPageButton: Binding loop detected for
property "icon.height"
warning: 29 ../sysdeps/unix/sysv/linux/poll.c: No such file or directory
/usr/share/drkonqi/gdb/python/gdb_preamble/preamble.py:516: DeprecationWarning:
datetime.datetime.utcfromtimestamp() is deprecated and scheduled for removal in
a future version. Use timezone-aware objects to represent datetimes in UTC:
datetime.datetime.fromtimestamp(timestamp, datetime.UTC).
boot_time =
datetime.utcfromtimestamp(psutil.boot_time()).strftime('%Y-%m-%dT%H:%M:%S')
Killing running debugger instance
Quit
QSocketNotifier: Invalid socket 7 and type 'Read', disabling...
Unable to start Dr. Konqi
Re-raising signal for core dump handling.
[1] 12486 segmentation fault (core dumped) kamoso
The crash can be reproduced every time.
-- Backtrace:
Application: Kamoso (kamoso), signal: Segmentation fault
[KCrash Handler]
#4 0x00007aad249207d1 in g_type_check_instance_is_fundamentally_a () at
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#5 0x00007aad2490ac6c in g_object_notify () at
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#6 0x00007aad248f845a in g_closure_invoke () at
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#7 0x00007aad249283a3 in ??? () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#8 0x00007aad24918f0d in ??? () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#9 0x00007aad24919181 in g_signal_emit_valist () at
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#10 0x00007aad24919243 in g_signal_emit () at
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#11 0x00007aad24904594 in ??? () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#12 0x00007aad22aeda89 in ??? () at /lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#13 0x00007aad248f8c4e in ??? () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#14 0x00007aad2490ca48 in g_object_set_valist () at
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#15 0x00007aad2490ce9b in g_object_set () at
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#16 0x00007aad0c086c41 in ??? () at
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcamerabin.so
#17 0x00007aad22b1e426 in gst_element_change_state () at
/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#18 0x00007aad22b1eceb in ??? () at /lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#19 0x000061637c0131a7 in WebcamControl::playDevice (this=0x7ffce6b6eea0,
device=0x6163aa74fbf0) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:138
#20 0x000061637c0144fe in WebcamControl::onBusMessage (message=<optimized out>,
this=<optimized out>) at
/usr/src/kamoso-23.08.5-0ubuntu4/src/video/webcamcontrol.cpp:308
#21 webcamWatch (message=<optimized out>, user_data=0x7ffce6b6eea0) at
/usr/src/kamoso-23.08.5-0ubuntu4/src/video/webcamcontrol.cpp:244
#22 0x00007aad22b04ca7 in ??? () at /lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#23 0x00007aad229bb397 in ??? () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007aad22a1bdc7 in ??? () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007aad229ba8b3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007aad22f47afd in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007aad22ee75ab in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007aad22ef0286 in QCoreApplication::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x000061637c00eb18 in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/kamoso-23.08.5-0ubuntu4/src/main.cpp:47
[Inferior 1 (process 7141) detached]
Reported using DrKonqi
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