https://bugs.kde.org/show_bug.cgi?id=393308

            Bug ID: 393308
           Summary: Plasma crash after removing an icon from the system
                    tray
           Product: plasmashell
           Version: 5.12.4
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: taviana...@gmail.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.12.4)

Qt Version: 5.10.1
Frameworks Version: 5.45.0
Operating System: Linux 4.16.2-2-ARCH x86_64
Distribution: "Arch Linux"

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

I had just removed an icon from the system tray (System Tray Settings -> Extra
Items).

- Unusual behavior I noticed:

I had also recently disconnected my external monitor.  The panel on that
monitor did not move to the built-in display, so I created a new panel.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f67d245f800 (LWP 2523))]

Thread 7 (Thread 0x7f670819e700 (LWP 3020)):
#0  0x00007f67c62bc2f4 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f67c6275440 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f67c627563e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f67cc2f9264 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f67cc29b32b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f67cc0aa72e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f670ab4d1ba in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007f67cc0afacd in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f67cb26908c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f67cb9b7e7f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f671c295700 (LWP 2643)):
#0  0x00007f67c6274997 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#1  0x00007f67c627544e in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f67c627563e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f67cc2f9264 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f67cc29b32b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f67cc0aa72e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f67cfe2350b in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f67cc0afacd in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f67cb26908c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f67cb9b7e7f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f67a7be3700 (LWP 2596)):
#0  0x00007f67cb26f3bd in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67d1b46f77 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f67d1b46fb9 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f67cb26908c in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67cb9b7e7f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f67b1b2d700 (LWP 2560)):
#0  0x00007ffd2f347ac8 in clock_gettime ()
#1  0x00007f67cb9c5746 in clock_gettime () at /usr/lib/libc.so.6
#2  0x00007f67cc2f8b52 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007f67cc2f72ea in QTimerInfoList::updateCurrentTime() () at
/usr/lib/libQt5Core.so.5
#4  0x00007f67cc2f78c6 in QTimerInfoList::timerWait(timespec&) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f67cc2f8faf in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f67c6274a49 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#7  0x00007f67c627544e in  () at /usr/lib/libglib-2.0.so.0
#8  0x00007f67c627563e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#9  0x00007f67cc2f9264 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#10 0x00007f67cc29b32b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#11 0x00007f67cc0aa72e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#12 0x00007f67cf27d379 in  () at /usr/lib/libQt5Qml.so.5
#13 0x00007f67cc0afacd in  () at /usr/lib/libQt5Core.so.5
#14 0x00007f67cb26908c in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007f67cb9b7e7f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f67b39d4700 (LWP 2559)):
#0  0x00007f67c6272362 in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007f67c6274e2a in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007f67c62754c6 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f67c627563e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007f67cc2f9264 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007f67cc29b32b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007f67cc0aa72e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f67cf27d379 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f67cc0afacd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f67cb26908c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f67cb9b7e7f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f67b95b1700 (LWP 2551)):
#0  0x00007f67cb9ad97b in poll () at /usr/lib/libc.so.6
#1  0x00007f67c6275523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f67c627563e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f67cc2f9264 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f67cc29b32b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f67cc0aa72e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f67cc71c416 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f67cc0afacd in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f67cb26908c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f67cb9b7e7f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f67d245f800 (LWP 2523)):
[KCrash Handler]
#6  0x00007f67d05d5b10 in  () at /usr/lib/libKF5Plasma.so.5
#7  0x00007f67d05d4c24 in  () at /usr/lib/libKF5Plasma.so.5
#8  0x00007f67d05d4e41 in Plasma::DataEngine::setData(QString const&, QString
const&, QVariant const&) () at /usr/lib/libKF5Plasma.so.5
#9  0x00007f670bfab36f in  () at
/usr/lib/qt/plugins/plasma/dataengine/plasma_engine_netctl.so
#10 0x00007f67d05d324e in  () at /usr/lib/libKF5Plasma.so.5
#11 0x00007f67cc2cd616 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#12 0x00007f67d05cdcc3 in
Plasma::DataContainer::updateRequested(Plasma::DataContainer*) () at
/usr/lib/libKF5Plasma.so.5
#13 0x00007f67d05e5f89 in  () at /usr/lib/libKF5Plasma.so.5
#14 0x00007f67cc2ce01b in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#15 0x00007f67cd2a4fec in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#16 0x00007f67cd2ac9c6 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#17 0x00007f67cc29ccf0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#18 0x00007f67cc2f8688 in QTimerInfoList::activateTimers() () at
/usr/lib/libQt5Core.so.5
#19 0x00007f67cc2f8eba in  () at /usr/lib/libQt5Core.so.5
#20 0x00007f67c6275368 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#21 0x00007f67c62755b1 in  () at /usr/lib/libglib-2.0.so.0
#22 0x00007f67c627563e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#23 0x00007f67cc2f9241 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#24 0x00007f67be182482 in  () at /usr/lib/libQt5XcbQpa.so.5
#25 0x00007f67cc29b32b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#26 0x00007f67cc2a4728 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#27 0x000056493a23a863 in  ()
#28 0x00007f67cb8e2f4a in __libc_start_main () at /usr/lib/libc.so.6
#29 0x000056493a23ac1a in _start ()

Reported using DrKonqi

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