Application: plasmashell (5.5.3)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-3-default x86_64
Distribution: "openSUSE Tumbleweed (20160209) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed: I have OpenSUSE Tumbleweed with KDE Plasma 5 installed on a two monitor setup (positioned: smaller primary down, larger secondary up) and I was using the Fn+F7 function for quick switching between monitor positions. There were two separate crashes in total but I dismissed the first one's report by accident. After the dual-monitor screwup I've mentioned below happened, I deleted the panel and created a new one on the primary screen, which I've placed on the side - at this time the first crash occured. Decided to cycle through monitor positions via Fn+F7 once, the panel strangely remained on the primary screen. Did it again, and it hopped to the secondary again. Opening Application menu on the second screen afterwards resulted in a crash.


- Unusual behavior I noticed: The panel behaviour at the very least in the OpenSUSE release of KDE Plasma 5 is all kinds of screwed up and I could probably file its quirks into a couple separate bug reports, but for the time being I guess I'll just mention them here. After pressing the aforementioned shortcut a few times (until the secondary monitor is the only one active), the panel mysteriously moves into the second monitor and stays there, all while I'm unable to move it back into the primary. The "screen edge dragging" feature can't move it inbetween the two screens, it only hides itself and is impossible to unhide until I repeat the whole procedure (after which it appears on the second monitor again). Placing the two screens in a way in which they share the panel edge only makes it hide itself permanently. Notably, while I haven't tried replicating the aforementioned crash, this issue is trivial to replicate.

Another bizarre aspect of this behaviour happened when I've tried to restart the whole OS while the panel remained hidden this way - not only it stayed "hidden", but the Alt+F1 shortcut couldn't bring up the Application menu anymore, and I didn't connect to my wifi because KWallet didn't initialize to validate my wifi password. This glitch only subsided after cycling through screens again until the elusive panel (and KWallet with it) appeared again.

One more panel quirk I've noticed is that on the specific width I've set for it, icon sizes sometimes don't remain constant between system startups, a few times they happened to shrink down and the bezels around them appeared thicker in size. This is harder to replicate however and so far was always preceded by me updating the system.

An interesting thing of note is that I haven't seen this behaviour so far in the newest versions of distros Chakra or Linux Mint KDE (which had KDE4 however), which suggests that it could be actually somehow OpenSUSE specific?
Nevertheless, a potentially effective workaround for this could be to be able to specify the panel's position via a menu or the konsole, instead of having to drag it.


- Custom settings of the application: Vertically placed panel on the left edge of the screen, width was slightly reduced, two screens (positioned: smaller primary down, larger secondary up), Application menu instead of Application launcher, Icons-only task manager, Kwallet containing wifi password autolaunching at startup, Ksuperkey installed, on OpenSUSE Tumbleweed

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f56c15ef8c0 (LWP 2468))]

Thread 10 (Thread 0x7f56aad91700 (LWP 2476)):
#0  0x00007f56bab6124d in poll () from /lib64/libc.so.6
#1  0x00007f56bfa36432 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f56bfa38007 in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f56acee0e29 in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f56bb25194f in QThreadPrivate::start (arg=0x8e8a20) at thread/qthread_unix.cpp:331
#5  0x00007f56ba3684a4 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f56bab69bdd in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f56a3fff700 (LWP 2483)):
#0  0x00007f56bab6124d in poll () from /lib64/libc.so.6
#1  0x00007f56b7256294 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f56b725639c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f56bb47652b in QEventDispatcherGlib::processEvents (this=0x7f569c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f56bb42063a in QEventLoop::exec (this=this@entry=0x7f56a3ffecf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f56bb24cb1c in QThread::exec (this=this@entry=0x9d7980) at thread/qthread.cpp:503
#6  0x00007f56be51c9a5 in QQmlThreadPrivate::run (this=0x9d7980) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007f56bb25194f in QThreadPrivate::start (arg=0x9d7980) at thread/qthread_unix.cpp:331
#8  0x00007f56ba3684a4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f56bab69bdd in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f56912ae700 (LWP 2484)):
#0  0x00007f56bab761c2 in __libc_disable_asynccancel () from /lib64/libc.so.6
#1  0x00007f56bab61259 in poll () from /lib64/libc.so.6
#2  0x00007f56b7256294 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f56b725639c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f56bb47652b in QEventDispatcherGlib::processEvents (this=0x7f568c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f56bb42063a in QEventLoop::exec (this=this@entry=0x7f56912adcf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f56bb24cb1c in QThread::exec (this=this@entry=0xc26390) at thread/qthread.cpp:503
#7  0x00007f56be51c9a5 in QQmlThreadPrivate::run (this=0xc26390) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f56bb25194f in QThreadPrivate::start (arg=0xc26390) at thread/qthread_unix.cpp:331
#9  0x00007f56ba3684a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f56bab69bdd in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f568ba82700 (LWP 2485)):
#0  0x00007f56b7299554 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f56b7255940 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f56b72561c3 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f56b725639c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f56bb47652b in QEventDispatcherGlib::processEvents (this=0x7f56840008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f56bb42063a in QEventLoop::exec (this=this@entry=0x7f568ba81cf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f56bb24cb1c in QThread::exec (this=this@entry=0xd2a360) at thread/qthread.cpp:503
#7  0x00007f56be51c9a5 in QQmlThreadPrivate::run (this=0xd2a360) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f56bb25194f in QThreadPrivate::start (arg=0xd2a360) at thread/qthread_unix.cpp:331
#9  0x00007f56ba3684a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f56bab69bdd in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f5689cca700 (LWP 2486)):
#0  0x00007f56ba36e07f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f56c0cc4a84 in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007f56c0cc4ac9 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007f56ba3684a4 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f56bab69bdd in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f56023ae700 (LWP 2487)):
#0  0x00007f56c143b450 in update_get_addr () from /lib64/ld-linux-x86-64.so.2
#1  0x00007f56bb250912 in get_thread_data () at thread/qthread_unix.cpp:181
#2  QThreadData::current (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:212
#3  0x00007f56bb475aca in postEventSourcePrepare (s=0x7f55fc0012d0, timeout=0x7f56023adb14) at kernel/qeventdispatcher_glib.cpp:247
#4  0x00007f56b72558bd in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f56b72561c3 in ?? () from /usr/lib64/libglib-2.0.so.0
#6  0x00007f56b725639c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#7  0x00007f56bb47652b in QEventDispatcherGlib::processEvents (this=0x7f55fc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#8  0x00007f56bb42063a in QEventLoop::exec (this=this@entry=0x7f56023adcb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007f56bb24cb1c in QThread::exec (this=this@entry=0x11f2560) at thread/qthread.cpp:503
#10 0x00007f56bf0a1e42 in QQuickPixmapReader::run (this=0x11f2560) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/util/qquickpixmapcache.cpp:760
#11 0x00007f56bb25194f in QThreadPrivate::start (arg=0x11f2560) at thread/qthread_unix.cpp:331
#12 0x00007f56ba3684a4 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f56bab69bdd in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f55f095a700 (LWP 2492)):
#0  0x00007f56b7255cf0 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f56b7256238 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f56b725639c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f56bb47652b in QEventDispatcherGlib::processEvents (this=0x7f55ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f56bb42063a in QEventLoop::exec (this=this@entry=0x7f55f0959cd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f56bb24cb1c in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f55f308be47 in KCupsConnection::run() () from /usr/lib64/libkcupslib.so
#7  0x00007f56bb25194f in QThreadPrivate::start (arg=0x1ca4510) at thread/qthread_unix.cpp:331
#8  0x00007f56ba3684a4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f56bab69bdd in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f55e64e8700 (LWP 2541)):
#0  0x00007f56bab6124d in poll () from /lib64/libc.so.6
#1  0x00007f56b7256294 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f56b725639c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f56bb47652b in QEventDispatcherGlib::processEvents (this=0x7f55e00013d0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f56bb42063a in QEventLoop::exec (this=this@entry=0x7f55e64e7cf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f56bb24cb1c in QThread::exec (this=this@entry=0x32cffd0) at thread/qthread.cpp:503
#6  0x00007f56be51c9a5 in QQmlThreadPrivate::run (this=0x32cffd0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007f56bb25194f in QThreadPrivate::start (arg=0x32cffd0) at thread/qthread_unix.cpp:331
#8  0x00007f56ba3684a4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f56bab69bdd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f55e4de7700 (LWP 2542)):
#0  0x00007f56b7299539 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f56b7255300 in g_main_context_acquire () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f56b7256165 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f56b725639c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f56bb47652b in QEventDispatcherGlib::processEvents (this=0x7f55d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f56bb42063a in QEventLoop::exec (this=this@entry=0x7f55e4de6cf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f56bb24cb1c in QThread::exec (this=this@entry=0x33115d0) at thread/qthread.cpp:503
#7  0x00007f56be51c9a5 in QQmlThreadPrivate::run (this=0x33115d0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f56bb25194f in QThreadPrivate::start (arg=0x33115d0) at thread/qthread_unix.cpp:331
#9  0x00007f56ba3684a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f56bab69bdd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f56c15ef8c0 (LWP 2468)):
[KCrash Handler]
#6  QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >::data (this=<optimized out>) at /usr/include/qt5/QtCore/qscopedpointer.h:135
#7  qGetPtrHelper<QScopedPointer<QObjectData> > (p=...) at /usr/include/qt5/QtCore/qglobal.h:983
#8  QQmlEngine::d_func (this=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlengine.h:149
#9  QQmlEnginePrivate::get (e=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlengine_p.h:380
#10 QQmlBoundSignalExpression::function (this=this@entry=0x2b88810) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlboundsignal.cpp:184
#11 0x00007f56be4ab738 in QQmlBoundSignalExpression::sourceLocation (this=this@entry=0x2b88810) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlboundsignal.cpp:155
#12 0x00007f56be48ccb8 in QQmlData::destroyed (this=0x2970db0, object=0x28b0a20) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlengine.cpp:1709
#13 0x00007f56bb4576c4 in QObject::~QObject (this=0x28b0a20, __in_chrg=<optimized out>) at kernel/qobject.cpp:912
#14 0x00007f56bf130246 in QQuickItem::~QQuickItem (this=0x28b0a20, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2224
#15 0x00007f56bf1494c6 in QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement (this=0x28b0a20, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#16 QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement (this=0x28b0a20, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#17 0x00007f56bb44e5ab in QObjectPrivate::deleteChildren (this=this@entry=0x2b35c40) at kernel/qobject.cpp:1946
#18 0x00007f56bb4578c0 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#19 0x00007f56bf130246 in QQuickItem::~QQuickItem (this=0x29d9dc0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2224
#20 0x00007f56bf149c06 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x29d9dc0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#21 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x29d9dc0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#22 0x00007f56bb44e5ab in QObjectPrivate::deleteChildren (this=this@entry=0x2ae8120) at kernel/qobject.cpp:1946
#23 0x00007f56bb4578c0 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#24 0x00007f56bf130246 in QQuickItem::~QQuickItem (this=0x2a60a40, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2224
#25 0x00007f56bf149c06 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x2a60a40, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#26 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x2a60a40, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#27 0x00007f56bb44e5ab in QObjectPrivate::deleteChildren (this=this@entry=0x2bc1b50) at kernel/qobject.cpp:1946
#28 0x00007f56bb4578c0 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#29 0x00007f56bf130246 in QQuickItem::~QQuickItem (this=0x2b9abe0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2224
#30 0x00007f56bf149c06 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x2b9abe0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#31 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x2b9abe0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#32 0x00007f56be55a15b in QQmlDelegateModel::~QQmlDelegateModel (this=0x3040e10, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/types/qqmldelegatemodel.cpp:256
#33 0x00007f56be55a299 in QQmlDelegateModel::~QQmlDelegateModel (this=0x3040e10, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/types/qqmldelegatemodel.cpp:270
#34 0x00007f56bf1bb756 in QQuickRepeaterPrivate::~QQuickRepeaterPrivate (this=0x289e8d0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickrepeater.cpp:58
#35 0x00007f56bf1bb769 in QQuickRepeaterPrivate::~QQuickRepeaterPrivate (this=0x289e8d0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickrepeater.cpp:59
#36 0x00007f56bb457908 in QScopedPointerDeleter<QObjectData>::cleanup (pointer=<optimized out>) at ../../src/corelib/tools/qscopedpointer.h:54
#37 QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >::~QScopedPointer (this=0x3029a98, __in_chrg=<optimized out>) at ../../src/corelib/tools/qscopedpointer.h:101
#38 QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:883
#39 0x00007f56bf130246 in QQuickItem::~QQuickItem (this=0x3029a90, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2224
#40 0x00007f56bf14a766 in QQmlPrivate::QQmlElement<QQuickRepeater>::~QQmlElement (this=0x3029a90, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#41 QQmlPrivate::QQmlElement<QQuickRepeater>::~QQmlElement (this=0x3029a90, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#42 0x00007f56bb44e5ab in QObjectPrivate::deleteChildren (this=this@entry=0x2d7aa20) at kernel/qobject.cpp:1946
#43 0x00007f56bb4578c0 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#44 0x00007f56bf130246 in QQuickItem::~QQuickItem (this=0x26ed6b0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2224
#45 0x00007f56bf14906e in QQuickColumn::~QQuickColumn (this=0x26ed6b0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickpositioners_p.h:169
#46 QQmlPrivate::QQmlElement<QQuickColumn>::~QQmlElement (this=0x26ed6b0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#47 QQmlPrivate::QQmlElement<QQuickColumn>::~QQmlElement (this=0x26ed6b0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#48 0x00007f56bb44e5ab in QObjectPrivate::deleteChildren (this=this@entry=0x28aec80) at kernel/qobject.cpp:1946
#49 0x00007f56bb4578c0 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#50 0x00007f56bf130246 in QQuickItem::~QQuickItem (this=0x2dc0de0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2224
#51 0x00007f56bf149336 in QQmlPrivate::QQmlElement<QQuickFlickable>::~QQmlElement (this=0x2dc0de0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#52 QQmlPrivate::QQmlElement<QQuickFlickable>::~QQmlElement (this=0x2dc0de0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#53 0x00007f56bb44e5ab in QObjectPrivate::deleteChildren (this=this@entry=0x8fb1a0) at kernel/qobject.cpp:1946
#54 0x00007f56bb4578c0 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#55 0x00007f56bf130246 in QQuickItem::~QQuickItem (this=0x20e5f60, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2224
#56 0x00007f56bf1494c6 in QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement (this=0x20e5f60, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#57 QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement (this=0x20e5f60, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#58 0x00007f56bb44e5ab in QObjectPrivate::deleteChildren (this=this@entry=0x2a8d4f0) at kernel/qobject.cpp:1946
#59 0x00007f56bb4578c0 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#60 0x00007f56bf130246 in QQuickItem::~QQuickItem (this=0x30858d0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2224
#61 0x00007f56bf149c06 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x30858d0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#62 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x30858d0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#63 0x00007f56bb44e5ab in QObjectPrivate::deleteChildren (this=this@entry=0x26ca570) at kernel/qobject.cpp:1946
#64 0x00007f56bb4578c0 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#65 0x00007f56bf130246 in QQuickItem::~QQuickItem (this=0x26641f0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2224
#66 0x00007f56bf1494c6 in QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement (this=0x26641f0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#67 QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement (this=0x26641f0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#68 0x00007f56bb450da0 in QObject::event (this=this@entry=0x26641f0, e=e@entry=0x36a1890) at kernel/qobject.cpp:1230
#69 0x00007f56bf12ebbb in QQuickItem::event (this=0x26641f0, ev=0x36a1890) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:7317
#70 0x00007f56bc7998cc in QApplicationPrivate::notify_helper (this=this@entry=0x8c5230, receiver=receiver@entry=0x26641f0, e=e@entry=0x36a1890) at kernel/qapplication.cpp:3716
#71 0x00007f56bc79e9d6 in QApplication::notify (this=0x7ffee46fa7f0, receiver=0x26641f0, e=0x36a1890) at kernel/qapplication.cpp:3499
#72 0x00007f56bb422cf3 in QCoreApplication::notifyInternal (this=0x7ffee46fa7f0, receiver=0x26641f0, event=event@entry=0x36a1890) at kernel/qcoreapplication.cpp:965
#73 0x00007f56bb425016 in QCoreApplication::sendEvent (event=0x36a1890, receiver=<optimized out>) at kernel/qcoreapplication.h:224
#74 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x8ba7b0) at kernel/qcoreapplication.cpp:1593
#75 0x00007f56bb4254f8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#76 0x00007f56bb476103 in postEventSourceDispatch (s=0x9385f0) at kernel/qeventdispatcher_glib.cpp:271
#77 0x00007f56b72560c7 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#78 0x00007f56b72562f8 in ?? () from /usr/lib64/libglib-2.0.so.0
#79 0x00007f56b725639c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#80 0x00007f56bb47650f in QEventDispatcherGlib::processEvents (this=0x93d630, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#81 0x00007f56bb42063a in QEventLoop::exec (this=this@entry=0x7ffee46f27e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#82 0x00007f56bc981805 in QDialog::exec (this=0x3095230) at dialogs/qdialog.cpp:541
#83 0x00007f56016f7f03 in ActivitySettings::qt_static_metacall (_a=0x7ffee46f2950, _id=1, _c=QMetaObject::InvokeMetaMethod, _o=0x327f5a0) at /usr/src/debug/kactivities-5.18.0/build/src/workspace/settings/imports/moc_activitysettings.cpp:115
#84 ActivitySettings::qt_metacall (this=0x327f5a0, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7ffee46f2950) at /usr/src/debug/kactivities-5.18.0/build/src/workspace/settings/imports/moc_activitysettings.cpp:116
#85 0x00007f56be4dd149 in QQmlObjectOrGadget::metacall (this=this@entry=0x7ffee46f2d00, type=type@entry=QMetaObject::InvokeMetaMethod, index=index@entry=6, argv=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlpropertycache.cpp:1689
#86 0x00007f56be45f95c in CallMethod (object=..., index=<optimized out>, returnType=returnType@entry=43, argCount=<optimized out>, argTypes=<optimized out>, engine=engine@entry=0xd32a90, callArgs=0x7f568aa83248) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4qobjectwrapper.cpp:1155
#87 0x00007f56be46117c in CallPrecise (object=..., data=..., engine=engine@entry=0xd32a90, callArgs=callArgs@entry=0x7f568aa83248) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4qobjectwrapper.cpp:1404
#88 0x00007f56be46198d in QV4::QObjectMethod::callInternal (this=<optimized out>, callData=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4qobjectwrapper.cpp:1893
#89 0x00007f56be477e83 in QV4::Object::call (d=0x7f568aa83248, this=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4object_p.h:305
#90 QV4::Runtime::callProperty (engine=0xd32a90, nameIndex=<optimized out>, callData=0x7f568aa83248) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4runtime.cpp:977
#91 0x00007f56016e3968 in ?? ()
#92 0x00007f56c1013556 in ?? () from /usr/lib64/libKF5PlasmaQuick.so.5
#93 0x00007ffee46f3090 in ?? ()
#94 0x0003000000000000 in ?? ()
#95 0x0000000000000000 in ?? ()

Possible duplicates by query: bug 356411.

Reported using DrKonqi