https://bugs.kde.org/show_bug.cgi?id=409498

            Bug ID: 409498
           Summary: plasma crash
           Product: plasmashell
           Version: 5.16.2
          Platform: openSUSE RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: kdeb...@blws.org
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.16.2)

Qt Version: 5.13.0
Frameworks Version: 5.59.0
Operating System: Linux 5.1.10-1-default x86_64
Distribution: "openSUSE Tumbleweed"

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

I had just logged in, had only opened a konsole window and typed <ps -ef | grep
brad> because firefox had crashed on that user to a degree that I couldn't
recover from even by killing all the firefox instances. This happens constantly
lately. After that command I was going to go see if the User Management in Yast
had some way to fully logoff a user. I clicked the Application Launcher icon on
the default panel at the bottom of the screen and plasma crashed. While going
through the bug report I clicked it again in order to start my password manager
to login to bugs.kde and it did the same thing as soon as I clicked the
Application Launcher button. While writing this I have clicked on it a couple
more times and it HASN'T crashed plasma those times.

When I first logged in as root the software updates notifier popped up with an
error message.
"Update Error
The PackageKit daemon has crashed"

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f07784a6940 (LWP 17577))]

Thread 14 (Thread 0x7f07395b5700 (LWP 17813)):
#0  0x00007f077a3dac9f in poll () at /lib64/libc.so.6
#1  0x00007f0779015d2e in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0779015e4f in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f077a977ceb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f077a9202eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f077a758f91 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f0739dc4688 in KCupsConnection::run() () at
/usr/lib64/libkcupslib.so
#7  0x00007f077a75a112 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f0779c10faa in start_thread () at /lib64/libpthread.so.0
#9  0x00007f077a3e571f in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f073bfff700 (LWP 17796)):
#0  0x00007f077a3dac9f in poll () at /lib64/libc.so.6
#1  0x00007f0779015d2e in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0779015e4f in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f077a977ceb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f077a9202eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f077a758f91 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f077c530026 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007f077a75a112 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f0779c10faa in start_thread () at /lib64/libpthread.so.0
#9  0x00007f077a3e571f in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f07527fc700 (LWP 17723)):
#0  0x00007f0779c16e05 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f076619cb3b in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007f076619c9b7 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007f0779c10faa in start_thread () at /lib64/libpthread.so.0
#4  0x00007f077a3e571f in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f0752ffd700 (LWP 17722)):
#0  0x00007f0779c16e05 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f076619cb3b in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007f076619c9b7 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007f0779c10faa in start_thread () at /lib64/libpthread.so.0
#4  0x00007f077a3e571f in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f07537fe700 (LWP 17721)):
#0  0x00007f0779c16e05 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f076619cb3b in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007f076619c9b7 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007f0779c10faa in start_thread () at /lib64/libpthread.so.0
#4  0x00007f077a3e571f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f0753fff700 (LWP 17720)):
#0  0x00007f0779c16e05 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f076619cb3b in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007f076619c9b7 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007f0779c10faa in start_thread () at /lib64/libpthread.so.0
#4  0x00007f077a3e571f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f0760860700 (LWP 17719)):
#0  0x00007f0779c16e05 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f076619cb3b in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007f076619c9b7 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007f0779c10faa in start_thread () at /lib64/libpthread.so.0
#4  0x00007f077a3e571f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f0761061700 (LWP 17718)):
#0  0x00007f0779c16e05 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f076619cb3b in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007f076619c9b7 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007f0779c10faa in start_thread () at /lib64/libpthread.so.0
#4  0x00007f077a3e571f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f0761862700 (LWP 17717)):
#0  0x00007f0779c16e05 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f076619cb3b in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007f076619c9b7 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007f0779c10faa in start_thread () at /lib64/libpthread.so.0
#4  0x00007f077a3e571f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f0762063700 (LWP 17716)):
#0  0x00007f0779c16e05 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f076619cb3b in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007f076619c9b7 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007f0779c10faa in start_thread () at /lib64/libpthread.so.0
#4  0x00007f077a3e571f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f0774882700 (LWP 17639)):
#0  0x00007f077a3dac9f in poll () at /lib64/libc.so.6
#1  0x00007f0779015d2e in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0779015e4f in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f077a977ceb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f077a9202eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f077a758f91 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f077c241595 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f077a75a112 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f0779c10faa in start_thread () at /lib64/libpthread.so.0
#9  0x00007f077a3e571f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f0775b9a700 (LWP 17610)):
#0  0x00007f077a9778db in  () at /usr/lib64/libQt5Core.so.5
#1  0x00007f077901529f in g_main_context_prepare () at
/usr/lib64/libglib-2.0.so.0
#2  0x00007f0779015c5b in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f0779015e4f in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007f077a977ceb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#5  0x00007f077a9202eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007f077a758f91 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f077b24c4f6 in  () at /usr/lib64/libQt5DBus.so.5
#8  0x00007f077a75a112 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f0779c10faa in start_thread () at /lib64/libpthread.so.0
#10 0x00007f077a3e571f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f0776709700 (LWP 17592)):
#0  0x00007f077a3dac9f in poll () at /lib64/libc.so.6
#1  0x00007f077c9b4cc2 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f077c9b68ba in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f07768ccf48 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f077a75a112 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f0779c10faa in start_thread () at /lib64/libpthread.so.0
#6  0x00007f077a3e571f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f07784a6940 (LWP 17577)):
[KCrash Handler]
#6  0x00007f076216691d in xmlSAXVersion () at /usr/lib64/../lib64/libxml2.so.2
#7  0x00007f076209edf7 in xmlInitParserCtxt () at
/usr/lib64/../lib64/libxml2.so.2
#8  0x00007f076209f36e in xmlNewParserCtxt () at
/usr/lib64/../lib64/libxml2.so.2
#9  0x00007f07620b1f8f in xmlCreateURLParserCtxt () at
/usr/lib64/../lib64/libxml2.so.2
#10 0x00007f07620b46ed in xmlSAXParseFileWithData () at
/usr/lib64/../lib64/libxml2.so.2
#11 0x00007f072caecbf6 in Calculator::loadDefinitions(char const*, bool) () at
/usr/lib64/libqalculate.so.21
#12 0x00007f072cb13ae8 in Calculator::loadGlobalDefinitions() () at
/usr/lib64/libqalculate.so.21
#13 0x00007f07387e351d in  () at
/usr/lib64/qt5/plugins/krunner_calculatorrunner.so
#14 0x00007f07387e435c in  () at
/usr/lib64/qt5/plugins/krunner_calculatorrunner.so
#15 0x00007f07387e5f0a in  () at
/usr/lib64/qt5/plugins/krunner_calculatorrunner.so
#16 0x00007f077bbad442 in KPluginFactory::create(char const*, QWidget*,
QObject*, QList<QVariant> const&, QString const&) () at
/usr/lib64/libKF5CoreAddons.so.5
#17 0x00007f073abb0f85 in  () at /usr/lib64/libKF5Runner.so.5
#18 0x00007f073abb28d6 in  () at /usr/lib64/libKF5Runner.so.5
#19 0x00007f073abaeb00 in Plasma::RunnerManager::launchQuery(QString const&,
QString const&) () at /usr/lib64/libKF5Runner.so.5
#20 0x00007f073abaf187 in Plasma::RunnerManager::launchQuery(QString const&) ()
at /usr/lib64/libKF5Runner.so.5
#21 0x00007f073aecf4d9 in  () at
/usr/lib64/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#22 0x00007f077a94c8a8 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#23 0x00007f077a959617 in QTimer::timeout(QTimer::QPrivateSignal) () at
/usr/lib64/libQt5Core.so.5
#24 0x00007f077a94d255 in QObject::event(QEvent*) () at
/usr/lib64/libQt5Core.so.5
#25 0x00007f077b4d9c42 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#26 0x00007f077b4e2ec0 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#27 0x00007f077a921692 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#28 0x00007f077a9770ab in QTimerInfoList::activateTimers() () at
/usr/lib64/libQt5Core.so.5
#29 0x00007f077a97795c in  () at /usr/lib64/libQt5Core.so.5
#30 0x00007f0779015b33 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#31 0x00007f0779015dc0 in  () at /usr/lib64/libglib-2.0.so.0
#32 0x00007f0779015e4f in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#33 0x00007f077a977cd1 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#34 0x00007f077a9202eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#35 0x00007f077a927e62 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#36 0x00005555a6858280 in  ()
#37 0x00007f077a30ebcb in __libc_start_main () at /lib64/libc.so.6
#38 0x00005555a685870a in _start ()
[Inferior 1 (process 17577) detached]

Reported using DrKonqi

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