Application: plasmashell (5.20.5) Qt Version: 5.15.2 Frameworks Version: 5.78.0 Operating System: Linux 5.10.0-5-amd64 x86_64 Windowing system: X11 Distribution: Debian GNU/Linux bullseye/sid -- Information about the crash: - What I was doing when the application crashed: Opened Win7 mixer, right clicked one of the audio interfaces to choose the default audio output then crashes. Or when I try to select a default audio output, plasma crash and don't let me choose the desired audio interface. - Custom settings of the application: Win7 mixer The crash can be reproduced sometimes. -- Backtrace: Application: Plasma (plasmashell), signal: Segmentation fault [KCrash Handler] #4 0x00007f5323635213 in QtPrivate::indexOf<QWidget*, QWidget*> (from=0, u=@0x7ffead065a00: 0x55a993e6c2f0, list=...) at ../../include/QtCore/../../src/corelib/tools/qlist.h:1042 #5 QList<QWidget*>::indexOf (from=0, t=@0x7ffead065a00: 0x55a993e6c2f0, this=0x55a99092f110) at ../../include/QtCore/../../src/corelib/tools/qlist.h:1026 #6 QList<QWidget*>::removeAll (this=0x55a99092f110, _t=@0x7ffead065a00: 0x55a993e6c2f0) at ../../include/QtCore/../../src/corelib/tools/qlist.h:936 #7 0x00007f5323645676 in QWidget::removeAction (this=0x55a993e6c2f0, action=<optimized out>) at kernel/qwidget.cpp:3166 #8 0x00007f530b6696f5 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/components/libplasmacomponentsplugin.so #9 0x00007f532360f15f in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55a993c40550, e=0x7ffead065b60) at kernel/qapplication.cpp:3632 #10 0x00007f5322973f6a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #11 0x00007f53229a8276 in QObjectPrivate::setParent_helper(QObject*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #12 0x00007f53229a8788 in QObject::~QObject() () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00007f530b664cd7 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/components/libplasmacomponentsplugin.so #14 0x00007f532299fd4f in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #15 0x00007f532360f15f in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55a992ba57d0, e=0x55a9917f1ea0) at kernel/qapplication.cpp:3632 #16 0x00007f5322973f6a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007f53229769a1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #18 0x00007f53229cbe33 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #19 0x00007f53209dbe6b in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #20 0x00007f53209dc118 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #21 0x00007f53209dc1cf in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #22 0x00007f53229cb4bf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #23 0x00007f532297292b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #24 0x00007f532297aba0 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #25 0x000055a98eac66b8 in main (argc=<optimized out>, argv=0x7ffead066190) at ./shell/main.cpp:252 [Inferior 1 (process 5769) detached] Possible duplicates by query: bug 435000, bug 434868, bug 434843, bug 434823, bug 434809. Reported using DrKonqi
#8 0x00007f530b6696f5 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/components/libplasmacomponentsplugin.so It's hard to tell what's going on without full debug symbols for that library. Can you install debug symbols for plasma-framework, reproduce the crash, and attach a new backtrace? See also https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports#Debian Also, does the crash still happen if you uninstall Win7Mixer and use the standard Audio Volume applet? Thanks!
Hello! This problem only occurs with Win7Mixer. The real problem is that I can't set any sinks as default output, even with the default controller. This problem doesn't generates a crash report using the default, only Win7Mixer. After you recommended uninstalling Win7Mixer I notice that a new version was available, then I removed the current installed and re-installed the latest one. So far it seems to be working fine, the option for default sink doesn't require the left-click > default path, as now there's a radio button that can change the defaults with little hassle, and now seems to be working fine. I don't know if the old version was the problem because this issue occurs sporadically.
I would recommend that you report this bug to the developer of that applet, then. :)