https://bugs.kde.org/show_bug.cgi?id=359878

            Bug ID: 359878
           Summary: Plasma crashing on Audio Volume Settings
           Product: plasmashell
           Version: 5.4.3
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: dan.ca...@gmail.com
                CC: bhus...@gmail.com, plasma-b...@kde.org

Application: plasmashell (5.4.3)

Qt Version: 5.5.1
Operating System: Linux 4.1.15-8-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:

Every time when I try to open Audio Volume Settings (from volume icon in the
systray), plasma 5 is crashing.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1c7f185800 (LWP 2902))]

Thread 18 (Thread 0x7f1c67343700 (LWP 2904)):
#0  0x00007f1c786d0c1d in poll () at /lib64/libc.so.6
#1  0x00007f1c7d5fc422 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f1c7d5fe00f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f1c69ac63c9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f1c5ffff700 (LWP 3030)):
#0  0x00007f1c74df4d14 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f1c74db28e9 in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#2  0x00007f1c74db2df8 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f1c74db2f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007f1c78ffad8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#5  0x00007f1c78fa1d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007f1c78dc361a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f1c7c0aedf8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f1c53d03700 (LWP 3063)):
#0  0x00007f1c78dc0ccf in QMutex::unlock() () at /usr/lib64/libQt5Core.so.5
#1  0x00007f1c78ffacc5 in  () at /usr/lib64/libQt5Core.so.5
#2  0x00007f1c74db24ad in g_main_context_prepare () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f1c74db2d80 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f1c74db2f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#5  0x00007f1c78ffad8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#6  0x00007f1c78fa1d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#7  0x00007f1c78dc361a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f1c7c0aedf8 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f1c52334700 (LWP 3070)):
#0  0x00007f1c786ccced in read () at /lib64/libc.so.6
#1  0x00007f1c7088af75 in  () at /usr/lib64/tls/libnvidia-tls.so.352.79
#2  0x00007f1c74df3b60 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f1c74db2999 in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007f1c74db2df8 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f1c74db2f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#6  0x00007f1c78ffad8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#7  0x00007f1c78fa1d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#8  0x00007f1c78dc361a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#9  0x00007f1c7c0aedf8 in  () at /usr/lib64/libQt5Qml.so.5
#10 0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#11 0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f1c50a6c700 (LWP 3094)):
#0  0x00007f1c77ede05f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f1c7e86386b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f1c7e863899 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f1c493b7700 (LWP 3139)):
#0  0x00007f1c786e561f in __libc_enable_asynccancel () at /lib64/libc.so.6
#1  0x00007f1c786d0c12 in poll () at /lib64/libc.so.6
#2  0x00007f1c74db2e64 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f1c74db2f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007f1c78ffad8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#5  0x00007f1c78fa1d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007f1c78dc361a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f1c7cc43282 in  () at /usr/lib64/libQt5Quick.so.5
#8  0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f1bbffff700 (LWP 3144)):
#0  0x00007f1c77ede05f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f1c78dc934b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f1c7ccb625b in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f1c7ccb66f3 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f1baceae700 (LWP 3239)):
#0  0x00007f1c786d0c1d in poll () at /lib64/libc.so.6
#1  0x00007f1c74db2e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f1c74db2f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f1c78ffad8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f1c78fa1d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f1c78dc361a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f1bae4fbcf7 in KCupsConnection::run() () at
/usr/lib64/libkcupslib.so
#7  0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f1ba7fff700 (LWP 3245)):
#0  0x00007f1c77ede05f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f1c78dc934b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f1c7ccb625b in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f1c7ccb66f3 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f1ba75fe700 (LWP 3246)):
#0  0x00007f1c77ede05f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f1c78dc934b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f1c7ccb625b in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f1c7ccb66f3 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f1ba49dc700 (LWP 3330)):
#0  0x00007f1c77ede05f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f1c78dc934b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f1c7ccb625b in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f1c7ccb66f3 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f1b91d35700 (LWP 3416)):
#0  0x00007f1c786ccced in read () at /lib64/libc.so.6
#1  0x00007f1c7088af75 in  () at /usr/lib64/tls/libnvidia-tls.so.352.79
#2  0x00007f1c6d133df1 in pa_read () at
/usr/lib64/pulseaudio/libpulsecommon-7.0.so
#3  0x00007f1c6d7b9b5e in pa_mainloop_prepare () at /usr/lib64/libpulse.so.0
#4  0x00007f1c6d7ba572 in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#5  0x00007f1c6d7ba630 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#6  0x00007f1c6d7c8783 in  () at /usr/lib64/libpulse.so.0
#7  0x00007f1c6d160f98 in  () at /usr/lib64/pulseaudio/libpulsecommon-7.0.so
#8  0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f1b80b37700 (LWP 3425)):
#0  0x00007f1c77ede05f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f1c78dc934b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f1c7ccb625b in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f1c7ccb66f3 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f1b77ffe700 (LWP 3443)):
#0  0x00007f1c77ede05f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f1c78dc934b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f1c7ccb625b in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f1c7ccb66f3 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f1ba51dd700 (LWP 3452)):
#0  0x00007f1c786d0c1d in poll () at /lib64/libc.so.6
#1  0x00007f1c74db2e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f1c74db2f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f1c78ffad8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f1c78fa1d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f1c78dc361a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f1c7c0aedf8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f1b76196700 (LWP 3453)):
#0  0x00007f1c786ccced in read () at /lib64/libc.so.6
#1  0x00007f1c7088af75 in  () at /usr/lib64/tls/libnvidia-tls.so.352.79
#2  0x00007f1c74df3b60 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f1c74db2999 in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007f1c74db2df8 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f1c74db2f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#6  0x00007f1c78ffad8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#7  0x00007f1c78fa1d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#8  0x00007f1c78dc361a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#9  0x00007f1c7c0aedf8 in  () at /usr/lib64/libQt5Qml.so.5
#10 0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#11 0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f1b750ad700 (LWP 3454)):
#0  0x00007f1c77ede05f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f1c78dc934b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f1c7ccb625b in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f1c7ccb66f3 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f1c78dc832f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f1c77eda0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f1c786d904d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f1c7f185800 (LWP 2902)):
[KCrash Handler]
#6  0x00007f1c7a4b2f50 in QTabBar::documentMode() const () at
/usr/lib64/libQt5Widgets.so.5
#7  0x00007f1c65596858 in DSP::Style::subElementRect(QStyle::SubElement,
QStyleOption const*, QWidget const*) const () at
/usr/lib64/qt5/plugins/styles/libstyleproject_qt5.so
#8  0x00007f1c6559a642 in DSP::Style::drawTabLabel(QStyleOption const*,
QPainter*, QWidget const*) const () at
/usr/lib64/qt5/plugins/styles/libstyleproject_qt5.so
#9  0x00007f1c6559876e in DSP::Style::drawTab(QStyleOption const*, QPainter*,
QWidget const*) const () at
/usr/lib64/qt5/plugins/styles/libstyleproject_qt5.so
#10 0x00007f1c65593cb1 in DSP::Style::drawControl(QStyle::ControlElement,
QStyleOption const*, QPainter*, QWidget const*) const () at
/usr/lib64/qt5/plugins/styles/libstyleproject_qt5.so
#11 0x00007f1c5d6b8789 in  () at
/usr/lib64/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#12 0x00007f1c5d6b8d86 in  () at
/usr/lib64/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#13 0x00007f1c7cce2367 in QQuickWindowPrivate::polishItems() () at
/usr/lib64/libQt5Quick.so.5
#14 0x00007f1c7ccb7871 in  () at /usr/lib64/libQt5Quick.so.5
#15 0x00007f1c7ccb9b02 in  () at /usr/lib64/libQt5Quick.so.5
#16 0x00007f1c7ccba16b in  () at /usr/lib64/libQt5Quick.so.5
#17 0x00007f1c794fdad9 in QWindow::event(QEvent*) () at
/usr/lib64/libQt5Gui.so.5
#18 0x00007f1c7cceb161 in QQuickWindow::event(QEvent*) () at
/usr/lib64/libQt5Quick.so.5
#19 0x00007f1c7a31ce7c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#20 0x00007f1c7a321cc8 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#21 0x00007f1c78fa3e95 in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#22 0x00007f1c794f6544 in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() at /usr/lib64/libQt5Gui.so.5
#23 0x00007f1c794f715d in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib64/libQt5Gui.so.5
#24 0x00007f1c794dc1c8 in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib64/libQt5Gui.so.5
#25 0x00007f1c69af1200 in  () at /usr/lib64/libQt5XcbQpa.so.5
#26 0x00007f1c74db2c84 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#27 0x00007f1c74db2ed8 in  () at /usr/lib64/libglib-2.0.so.0
#28 0x00007f1c74db2f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#29 0x00007f1c78ffad6c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#30 0x00007f1c78fa1d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#31 0x00007f1c78fa98f6 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#32 0x000000000043467b in main ()

Reported using DrKonqi

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