Application: kinfocenter (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.13.0-32-generic x86_64
Distribution: Ubuntu 16.04.3 LTS

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

I exited KInfoCenter (running under Kubuntu 16.04 LTS) by pressing Alt+F4.

-- Backtrace:
Application: KDE Info Center (kinfocenter), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7faf31af58c0 (LWP 11644))]

Thread 5 (Thread 0x7faf0567b700 (LWP 11937)):
#0  0x00007faf2ed3d0ef in __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:65
#1  0x00007faf2ed23742 in poll () at ../sysdeps/unix/syscall-template.S:84
#2  0x00007faf2b9cd38c in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7faefc003070, timeout=<optimized out>, context=0x7faefc000990) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:4135
#3  0x00007faf2b9cd38c in g_main_context_iterate (context=context@entry=0x7faefc000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3835
#4  0x00007faf2b9cd49c in g_main_context_iteration (context=0x7faefc000990, may_block=may_block@entry=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#5  0x00007faf2f6567eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7faefc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007faf2f5fdb4a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7faf0567ace0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007faf2f41a834 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007faf2e4f63c5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007faf2f41f7be in QThreadPrivate::start(void*) (arg=0x3a11f90) at thread/qthread_unix.cpp:331
#10 0x00007faf2c40e6ba in start_thread (arg=0x7faf0567b700) at pthread_create.c:333
#11 0x00007faf2ed2f41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7faf0667c700 (LWP 11931)):
#0  0x00007faf2b9cce14 in g_main_context_check (context=context@entry=0x7faef8000990, max_priority=2147483647, fds=fds@entry=0x7faef8003070, n_fds=n_fds@entry=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3697
#1  0x00007faf2b9cd330 in g_main_context_iterate (context=context@entry=0x7faef8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3837
#2  0x00007faf2b9cd49c in g_main_context_iteration (context=0x7faef8000990, may_block=may_block@entry=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#3  0x00007faf2f6567eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7faef80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007faf2f5fdb4a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7faf0667bce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007faf2f41a834 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007faf2e4f63c5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007faf2f41f7be in QThreadPrivate::start(void*) (arg=0x39ccab0) at thread/qthread_unix.cpp:331
#8  0x00007faf2c40e6ba in start_thread (arg=0x7faf0667c700) at pthread_create.c:333
#9  0x00007faf2ed2f41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7faf080d8700 (LWP 11927)):
#0  0x00007faf2f41e7ac in QThreadData::current(bool) (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:231
#1  0x00007faf2f656031 in postEventSourceCheck(GSource*) (timeout=0x0, s=0x7faf000012d0) at kernel/qeventdispatcher_glib.cpp:247
#2  0x00007faf2f656031 in postEventSourceCheck(GSource*) (source=0x7faf000012d0) at kernel/qeventdispatcher_glib.cpp:264
#3  0x00007faf2b9ccdc1 in g_main_context_check (context=context@entry=0x7faf00000990, max_priority=2147483647, fds=fds@entry=0x7faf00002e70, n_fds=n_fds@entry=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3681
#4  0x00007faf2b9cd330 in g_main_context_iterate (context=context@entry=0x7faf00000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3837
#5  0x00007faf2b9cd49c in g_main_context_iteration (context=0x7faf00000990, may_block=may_block@entry=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#6  0x00007faf2f6567eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7faf000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x00007faf2f5fdb4a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7faf080d7ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007faf2f41a834 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007faf2e4f63c5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007faf2f41f7be in QThreadPrivate::start(void*) (arg=0x3c174c0) at thread/qthread_unix.cpp:331
#11 0x00007faf2c40e6ba in start_thread (arg=0x7faf080d8700) at pthread_create.c:333
#12 0x00007faf2ed2f41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7faf123a1700 (LWP 11912)):
#0  0x00007faf2ed1f27d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007faf2ba106f0 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7faf123a0ae0, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#2  0x00007faf2ba106f0 in g_wakeup_acknowledge (wakeup=0x7faf180015b0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gwakeup.c:210
#3  0x00007faf2b9cce74 in g_main_context_check (context=context@entry=0x7faf0c000990, max_priority=2147483647, fds=fds@entry=0x7faf0c003070, n_fds=n_fds@entry=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3632
#4  0x00007faf2b9cd330 in g_main_context_iterate (context=context@entry=0x7faf0c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3837
#5  0x00007faf2b9cd49c in g_main_context_iteration (context=0x7faf0c000990, may_block=may_block@entry=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#6  0x00007faf2f6567eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7faf0c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x00007faf2f5fdb4a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7faf123a0ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007faf2f41a834 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007faf2e4f63c5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007faf2f41f7be in QThreadPrivate::start(void*) (arg=0x1dcb780) at thread/qthread_unix.cpp:331
#11 0x00007faf2c40e6ba in start_thread (arg=0x7faf123a1700) at pthread_create.c:333
#12 0x00007faf2ed2f41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7faf31af58c0 (LWP 11644)):
[KCrash Handler]
#6  0x00007faf11304690 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#7  0x00007faf113007bd in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#8  0x00007faf113134dd in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#9  0x00007faf2f62ed2a in QMetaObject::activate(QObject*, int, int, void**) (sender=0x3b6a260, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3713
#10 0x00007faf2e7cadb6 in QQuickItem::setHeight(double) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007faf2e884598 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007faf2e88473a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007faf2e7cb544 in QQuickItem::setSize(QSizeF const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007faf2e7c13f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007faf2e7c3212 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007faf2e7c67ba in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007faf2e7cadb6 in QQuickItem::setHeight(double) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007faf2e7c27ba in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007faf2e7c67ba in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007faf2e7ca73b in QQuickItem::setY(double) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007faf2e7c26bc in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007faf2e7c67ba in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007faf2e7cb544 in QQuickItem::setSize(QSizeF const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#24 0x00007faf2e7c13f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#25 0x00007faf2e7c3212 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#26 0x00007faf2e7c67ba in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#27 0x00007faf2e7cb544 in QQuickItem::setSize(QSizeF const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#28 0x00007faf2e7c13f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#29 0x00007faf2e7c3212 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#30 0x00007faf2e7c67ba in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#31 0x00007faf2e7cb544 in QQuickItem::setSize(QSizeF const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#32 0x00007faf2e7c13f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#33 0x00007faf2e7c3212 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#34 0x00007faf2e7c67ba in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#35 0x00007faf2e7cadb6 in QQuickItem::setHeight(double) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#36 0x00007faf2e7d7a1c in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#37 0x00007faf2e7d81bb in QQuickItem::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#38 0x00007faf2e90d555 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#39 0x00007faf2e45a3a4 in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#40 0x00007faf2e47463d in QQmlPropertyPrivate::writeBinding(QObject*, QQmlPropertyData const&, QQmlContextData*, QQmlJavaScriptExpression*, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#41 0x00007faf2e4e28cf in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#42 0x00007faf2e4e2cfe in QQmlBinding::expressionChanged(QQmlJavaScriptExpression*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#43 0x00007faf2e4bebae in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#44 0x00007faf2e46186c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#45 0x00007faf2f62e600 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x392cd10, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3599
#46 0x00007faf2e460978 in QQmlData::destroyed(QObject*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#47 0x00007faf2f636904 in QObject::~QObject() (this=0x22e9790, __in_chrg=<optimized out>) at kernel/qobject.cpp:912
#48 0x00007faf1ebe4579 in Solid::Battery::~Battery() () at /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#49 0x00007faf1ebdd04f in  () at /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#50 0x00007faf1ebdd2d9 in  () at /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#51 0x00007faf1ebdd469 in  () at /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#52 0x00007faf1ebdea3b in  () at /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#53 0x00007faf1ebdeb89 in  () at /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#54 0x00007faf2f41da25 in QThreadStorageData::finish(void**) (p=0x1ca38d8) at thread/qthreadstorage.cpp:195
#55 0x00007faf2f5ff6a2 in QCoreApplicationPrivate::cleanupThreadData() (this=this@entry=0x1ca4620) at kernel/qcoreapplication.cpp:487
#56 0x00007faf2f938c32 in QGuiApplicationPrivate::~QGuiApplicationPrivate() (this=0x1ca4620, __in_chrg=<optimized out>) at kernel/qguiapplication.cpp:1384
#57 0x00007faf2feee089 in QApplicationPrivate::~QApplicationPrivate() (this=0x1ca4620, __in_chrg=<optimized out>) at kernel/qapplication.cpp:192
#58 0x00007faf2f636b48 in QObject::~QObject() (pointer=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:54
#59 0x00007faf2f636b48 in QObject::~QObject() (this=0x7ffc115b2e78, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:101
#60 0x00007faf2f636b48 in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:883
#61 0x00007faf2feefe79 in QApplication::~QApplication() (this=0x7ffc115b2e70, __in_chrg=<optimized out>) at kernel/qapplication.cpp:816
#62 0x0000000000412afe in main ()

Reported using DrKonqi