https://bugs.kde.org/show_bug.cgi?id=378001

            Bug ID: 378001
           Summary: Plasma crash while exploring digital clock settings
           Product: plasmashell
           Version: 5.9.3
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: bryan.j.don...@gmail.com
                CC: bhus...@gmail.com, plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.9.3)

Qt Version: 5.7.1
Frameworks Version: 5.31.0
Operating System: Linux 4.10.4-1-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:
Looking at the different options to configure digital clock settings.  I first
changed the format to show date and 24-hour clock.  I applied changes, then
looked through the other tabs on the left side.  The application crashed
specifically after looking at calendar.

- Unusual behavior I noticed:
Before the crash, I had no calendars under "PIM Events Plugin" and no options
under "Calendar."  After the crash, I was unable to reproduce the error, but I
noticed that I have access to the default calendars under PIM Events Plugin
(Birthdays & Anniversaries, Personal Calendar) and I have checkboxes available
under Calendar.  I wonder if this bug is related to me not having set up
Kontact or my PIM yet.

- Custom settings of the application:
Kontact/PIM not yet set up.

The crash does not seem to be reproducible.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3732e48580 (LWP 2225))]

Thread 9 (Thread 0x7f36520b4700 (LWP 4168)):
#0  0x00007f372c4fb7bd in poll () from /lib64/libc.so.6
#1  0x00007f372730c896 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f372730c9ac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f372ce1e18b in QEventDispatcherGlib::processEvents
(this=0x7f364c0013d0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f372cdc7aea in QEventLoop::exec (this=this@entry=0x7f36520b3cf0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f372cbf5813 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:507
#6  0x00007f372cbfa4c8 in QThreadPrivate::start (arg=0x555f660) at
thread/qthread_unix.cpp:368
#7  0x00007f372baab537 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f372c50504f in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f36518b3700 (LWP 4164)):
#0  0x00007f3727351f49 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f372730b760 in g_main_context_acquire () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f372730c745 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f372730c9ac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007f372ce1e18b in QEventDispatcherGlib::processEvents
(this=0x7f3644002c00, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f372cdc7aea in QEventLoop::exec (this=this@entry=0x7f36518b2cd0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f372cbf5813 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:507
#7  0x00007f372fce7305 in ?? () from /usr/lib64/libQt5Qml.so.5
#8  0x00007f372cbfa4c8 in QThreadPrivate::start (arg=0x3615500) at
thread/qthread_unix.cpp:368
#9  0x00007f372baab537 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f372c50504f in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f3664bfc700 (LWP 2947)):
#0  0x00007f372730bfd4 in g_main_context_query () from
/usr/lib64/libglib-2.0.so.0
#1  0x00007f372730c808 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f372730c9ac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f372ce1e18b in QEventDispatcherGlib::processEvents
(this=0x7f36600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f372cdc7aea in QEventLoop::exec (this=this@entry=0x7f3664bfbcb0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f372cbf5813 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:507
#6  0x00007f36674b5df7 in KCupsConnection::run() () from
/usr/lib64/libkcupslib.so
#7  0x00007f372cbfa4c8 in QThreadPrivate::start (arg=0x45c8f60) at
thread/qthread_unix.cpp:368
#8  0x00007f372baab537 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f372c50504f in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f3679fa8700 (LWP 2424)):
#0  0x00007f3727351f49 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f372730bd89 in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f372730c7bb in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f372730c9ac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007f372ce1e18b in QEventDispatcherGlib::processEvents
(this=0x7f36740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f372cdc7aea in QEventLoop::exec (this=this@entry=0x7f3679fa7c80,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f372cbf5813 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:507
#7  0x00007f37308782d6 in ?? () from /usr/lib64/libQt5Quick.so.5
#8  0x00007f372cbfa4c8 in QThreadPrivate::start (arg=0x2018ac0) at
thread/qthread_unix.cpp:368
#9  0x00007f372baab537 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f372c50504f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f370cdf0700 (LWP 2410)):
#0  0x00007f372bab19a6 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f373251a974 in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007f373251a9b9 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007f372baab537 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f372c50504f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f370ebbe700 (LWP 2399)):
#0  0x00007f372c4f74bd in read () from /lib64/libc.so.6
#1  0x00007f3727350ba0 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f372730c35e in g_main_context_check () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f372730c834 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f372730c9ac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#5  0x00007f372ce1e18b in QEventDispatcherGlib::processEvents
(this=0x7f37000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f372cdc7aea in QEventLoop::exec (this=this@entry=0x7f370ebbdcd0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007f372cbf5813 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:507
#8  0x00007f372fce7305 in ?? () from /usr/lib64/libQt5Qml.so.5
#9  0x00007f372cbfa4c8 in QThreadPrivate::start (arg=0x1965280) at
thread/qthread_unix.cpp:368
#10 0x00007f372baab537 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f372c50504f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f370ffff700 (LWP 2315)):
#0  0x00007f372c4fb7bd in poll () from /lib64/libc.so.6
#1  0x00007f372730c896 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f372730c9ac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f372ce1e18b in QEventDispatcherGlib::processEvents
(this=0x7f37080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f372cdc7aea in QEventLoop::exec (this=this@entry=0x7f370fffecd0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f372cbf5813 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:507
#6  0x00007f372fce7305 in ?? () from /usr/lib64/libQt5Qml.so.5
#7  0x00007f372cbfa4c8 in QThreadPrivate::start (arg=0x18f1be0) at
thread/qthread_unix.cpp:368
#8  0x00007f372baab537 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f372c50504f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f371fb5e700 (LWP 2242)):
#0  0x00007f372c4fb7bd in poll () from /lib64/libc.so.6
#1  0x00007f372730c896 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f372730c9ac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f372ce1e18b in QEventDispatcherGlib::processEvents
(this=0x7f37180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f372cdc7aea in QEventLoop::exec (this=this@entry=0x7f371fb5dcc0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f372cbf5813 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:507
#6  0x00007f372d230385 in ?? () from /usr/lib64/libQt5DBus.so.5
#7  0x00007f372cbfa4c8 in QThreadPrivate::start (arg=0x7f372d4a1d20) at
thread/qthread_unix.cpp:368
#8  0x00007f372baab537 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f372c50504f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f3732e48580 (LWP 2225)):
[KCrash Handler]
#6  QHash<QString, QHashDummyValue>::size (this=<optimized out>) at
/usr/include/qt5/QtCore/qhash.h:265
#7  QSet<QString>::size (this=<optimized out>) at
/usr/include/qt5/QtCore/qset.h:78
#8  QSet<QString>::toList (this=0x68) at /usr/include/qt5/QtCore/qset.h:370
#9  Akonadi::Monitor::mimeTypesMonitored (this=0x5cf9c50) at
/usr/src/debug/akonadi-16.12.3/src/core/monitor.cpp:306
#10 0x00007f364b11bb1e in Akonadi::EntityTreeModelPrivate::fillModel
(this=this@entry=0x5ad1590) at
/usr/src/debug/akonadi-16.12.3/src/core/models/entitytreemodel_p.cpp:1857
#11 0x00007f364b11c79e in Akonadi::EntityTreeModelPrivate::endResetModel
(this=0x5ad1590) at
/usr/src/debug/akonadi-16.12.3/src/core/models/entitytreemodel_p.cpp:1823
#12 0x00007f372cdf5709 in QMetaObject::activate (sender=0x59ce1f0,
signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0,
argv=argv@entry=0x0) at kernel/qobject.cpp:3740
#13 0x00007f372cdf6027 in QMetaObject::activate (sender=<optimized out>,
m=m@entry=0x7f364b3b5040 <Akonadi::ServerManager::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at
kernel/qobject.cpp:3602
#14 0x00007f364b093dc0 in Akonadi::ServerManager::started (this=<optimized
out>) at
/usr/src/debug/akonadi-16.12.3/build/src/core/moc_servermanager.cpp:178
#15 0x00007f364b095bef in Akonadi::ServerManagerPrivate::setState
(state=Akonadi::ServerManager::Running, this=0x7f364b3bf4a0 <(anonymous
namespace)::Q_QGS_sInstance::innerFunction()::holder>) at
/usr/src/debug/akonadi-16.12.3/src/core/servermanager.cpp:101
#16 Akonadi::ServerManagerPrivate::checkStatusChanged (this=0x7f364b3bf4a0
<(anonymous namespace)::Q_QGS_sInstance::innerFunction()::holder>) at
/usr/src/debug/akonadi-16.12.3/src/core/servermanager.cpp:91
#17 Akonadi::ServerManager::qt_static_metacall (_o=<optimized out>,
_c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at
/usr/src/debug/akonadi-16.12.3/build/src/core/moc_servermanager.cpp:97
#18 0x00007f372cdf65b9 in QObject::event (this=0x59ce1f0, e=<optimized out>) at
kernel/qobject.cpp:1263
#19 0x00007f372dd44eac in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x59ce1f0, e=0x5c9a2f0) at kernel/qapplication.cpp:3799
#20 0x00007f372dd4c661 in QApplication::notify (this=0x7ffdd1107580,
receiver=0x59ce1f0, e=0x5c9a2f0) at kernel/qapplication.cpp:3556
#21 0x00007f372cdc9b00 in QCoreApplication::notifyInternal2
(receiver=0x59ce1f0, event=event@entry=0x5c9a2f0) at
kernel/qcoreapplication.cpp:988
#22 0x00007f372cdcc28d in QCoreApplication::sendEvent (event=0x5c9a2f0,
receiver=<optimized out>) at kernel/qcoreapplication.h:231
#23 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
event_type=event_type@entry=0, data=0x17fc520) at
kernel/qcoreapplication.cpp:1649
#24 0x00007f372cdcc6f8 in QCoreApplication::sendPostedEvents
(receiver=receiver@entry=0x0, event_type=event_type@entry=0) at
kernel/qcoreapplication.cpp:1503
#25 0x00007f372ce1dd63 in postEventSourceDispatch (s=0x1842bc0) at
kernel/qeventdispatcher_glib.cpp:276
#26 0x00007f372730c697 in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#27 0x00007f372730c900 in ?? () from /usr/lib64/libglib-2.0.so.0
#28 0x00007f372730c9ac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#29 0x00007f372ce1e16f in QEventDispatcherGlib::processEvents (this=0x1859de0,
flags=...) at kernel/qeventdispatcher_glib.cpp:423
#30 0x00007f372cdc7aea in QEventLoop::exec (this=this@entry=0x7ffdd1107410,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#31 0x00007f372cdd025c in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1261
#32 0x000000000041eab2 in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/debug/plasma-workspace-5.9.3/shell/main.cpp:166

Possible duplicates by query: bug 377951, bug 377936, bug 377798, bug 376449,
bug 376220.

Reported using DrKonqi

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