https://bugs.kde.org/show_bug.cgi?id=385865

            Bug ID: 385865
           Summary: Plasma crashed after switching activities using
                    shortcut
           Product: plasmashell
           Version: 5.11.0
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: martr...@gmail.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.11.0)

Qt Version: 5.9.2
Frameworks Version: 5.39.0
Operating System: Linux 4.13.7-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
Fresh reboot. Tried to change activity using shortcut (meta + 2; meta + 3; for
example). Plasma suddenly crashed and bug report option showed up. Plasma then
starts working again.

- Unusual behavior I noticed:
Redshift makes weird colors, after the second crash, plasmashell won't load
again on its own. I need to open console and load it.

- Custom settings of the application:
Lots of changes on shortcuts and widgets. I don't know what kind of info could
be useful here. Any help would be appreciated.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9891fbb800 (LWP 2863))]

Thread 8 (Thread 0x7f97ba58f700 (LWP 3280)):
#0  0x00007f9885e85664 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f9885e5dd6e in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f9885e5dfae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f988be9ccf4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f988be4048b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f988bc5927e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f97bcf2d1aa in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007f988bc5dfcb in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f988ae1708a in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f988b56a24f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f97cd08e700 (LWP 3180)):
#0  0x00007f9885e5c53a in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007f9885e5c701 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007f9885e5de76 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f9885e5dfae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007f988be9ccf4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007f988be4048b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007f988bc5927e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f988f97929b in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007f988bc5dfcb in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f988ae1708a in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f988b56a24f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f97cf2e7700 (LWP 3058)):
#0  0x00007f988b55fd4b in poll () at /usr/lib/libc.so.6
#1  0x00007f9885e5ded3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f9885e5dfae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f988be9ccf4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f988be4048b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f988bc5927e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f988bc5dfcb in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f988ae1708a in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f988b56a24f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f9866fd5700 (LWP 2990)):
#0  0x00007f988ae1d38d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f9891697ef7 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f9891697f39 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f988ae1708a in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f988b56a24f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f987133a700 (LWP 2954)):
#0  0x00007f9885e855f9 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f9885e5d77d in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#2  0x00007f9885e5ddf6 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f9885e5dfae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007f988be9ccf4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007f988be4048b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007f988bc5927e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f988edccbc9 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f988bc5dfcb in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f988ae1708a in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f988b56a24f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f98739cf700 (LWP 2918)):
#0  0x00007f988b55fd4b in poll () at /usr/lib/libc.so.6
#1  0x00007f9885e5ded3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f9885e5dfae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f988be9ccf4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f988be4048b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f988bc5927e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f988edccbc9 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f988bc5dfcb in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f988ae1708a in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f988b56a24f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f9879606700 (LWP 2891)):
#0  0x00007f988b55fd4b in poll () at /usr/lib/libc.so.6
#1  0x00007f9885e5ded3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f9885e5dfae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f988be9ccf4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f988be4048b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f988bc5927e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f988c2b8376 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f988bc5dfcb in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f988ae1708a in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f988b56a24f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f9891fbb800 (LWP 2863)):
[KCrash Handler]
#5  0x00007f97c64b7b0f in  () at
/usr/lib/qt/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#6  0x00007f988be71d3f in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#7  0x00007f9890ff50e3 in KActivities::Consumer::currentActivityChanged(QString
const&) () at /usr/lib/libKF5Activities.so.5
#8  0x00007f9890ff6832 in  () at /usr/lib/libKF5Activities.so.5
#9  0x00007f988be71c16 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#10 0x00007f9890ff4f96 in  () at /usr/lib/libKF5Activities.so.5
#11 0x00007f988be71d3f in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#12 0x00007f9890fee919 in  () at /usr/lib/libKF5Activities.so.5
#13 0x00007f9890ff0a26 in  () at /usr/lib/libKF5Activities.so.5
#14 0x00007f988c2c3abd in  () at /usr/lib/libQt5DBus.so.5
#15 0x00007f988be72662 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#16 0x00007f988cde9f2c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#17 0x00007f988cdf1a06 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#18 0x00007f988be42060 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#19 0x00007f988be448b6 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#20 0x00007f988be9d6e4 in  () at /usr/lib/libQt5Core.so.5
#21 0x00007f9885e5c270 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#22 0x00007f9885e5df69 in  () at /usr/lib/libglib-2.0.so.0
#23 0x00007f9885e5dfae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#24 0x00007f988be9ccd1 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#25 0x00007f988be4048b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#26 0x00007f988be494d8 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#27 0x000056529571d8a3 in  ()
#28 0x00007f988b494f6a in __libc_start_main () at /usr/lib/libc.so.6
#29 0x000056529571dc5a in _start ()

Reported using DrKonqi

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