Bug 388187

Application: systemsettings5 (5.11.4)

Qt Version: 5.9.3
Frameworks Version: 5.41.0
Operating System: Linux 4.10.0-42-generic x86_64
Distribution: KDE neon User Edition 5.11

-- Information about the crash:
Ao pesquisar as categorias do aplicativo, o crash aconteceu.
Neste momento, estava aberto aplicativo Konsole (konsole) e duas janelas do Dolphin (dolphin).

The crash can be reproduced sometimes.

-- Backtrace:
Application: Configurações do Sistema (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1bb171b8c0 (LWP 8555))]

Thread 5 (Thread 0x7f1b7f3af700 (LWP 8560)):
#0  0x00007f1bad41570d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1ba73b138c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1ba73b149c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1badd3c6cb in QEventDispatcherGlib::processEvents (this=0x7f1b780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f1badce4e2a in QEventLoop::exec (this=this@entry=0x7f1b7f3aece0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f1badb0d8f4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f1babbc2d25 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1badb12709 in QThreadPrivate::start (arg=0x24e51c0) at thread/qthread_unix.cpp:368
#8  0x00007f1ba92396ba in start_thread (arg=0x7f1b7f3af700) at pthread_create.c:333
#9  0x00007f1bad4213dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f1b88e88700 (LWP 8559)):
#0  0x00007f1ba73b1381 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1ba73b149c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1badd3c6cb in QEventDispatcherGlib::processEvents (this=0x7f1b840008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#3  0x00007f1badce4e2a in QEventLoop::exec (this=this@entry=0x7f1b88e87ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#4  0x00007f1badb0d8f4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#5  0x00007f1babbc2d25 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f1badb12709 in QThreadPrivate::start (arg=0x217d790) at thread/qthread_unix.cpp:368
#7  0x00007f1ba92396ba in start_thread (arg=0x7f1b88e88700) at pthread_create.c:333
#8  0x00007f1bad4213dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f1b9530f700 (LWP 8557)):
#0  0x00007f1ba73f5a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1ba73b0910 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1ba73b12bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1ba73b149c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1badd3c6cb in QEventDispatcherGlib::processEvents (this=0x7f1b900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f1badce4e2a in QEventLoop::exec (this=this@entry=0x7f1b9530ecd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f1badb0d8f4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#7  0x00007f1bae1bb315 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f1badb12709 in QThreadPrivate::start (arg=0x7f1bae42fd40) at thread/qthread_unix.cpp:368
#9  0x00007f1ba92396ba in start_thread (arg=0x7f1b9530f700) at pthread_create.c:333
#10 0x00007f1bad4213dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f1b9e210700 (LWP 8556)):
#0  0x00007f1bad41570d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1ba9aafc62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f1ba9ab18d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f1ba07671f9 in QXcbEventReader::run (this=0x1dc41f0) at qxcbconnection.cpp:1330
#4  0x00007f1badb12709 in QThreadPrivate::start (arg=0x1dc41f0) at thread/qthread_unix.cpp:368
#5  0x00007f1ba92396ba in start_thread (arg=0x7f1b9e210700) at pthread_create.c:333
#6  0x00007f1bad4213dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f1bb171b8c0 (LWP 8555)):
[KCrash Handler]
#6  0x00007f1badcf03a0 in QMetaObject::inherits (this=0x2452db8, metaObject=metaObject@entry=0x7f1baffa1540 <QWidgetWindow::staticMetaObject>) at kernel/qmetaobject.cpp:339
#7  0x00007f1badcf03e4 in QMetaObject::cast (this=0x7f1baffa1540 <QWidgetWindow::staticMetaObject>, obj=obj@entry=0x51b51e0) at kernel/qmetaobject.cpp:366
#8  0x00007f1badcf0415 in QMetaObject::cast (this=<optimized out>, obj=obj@entry=0x51b51e0) at kernel/qmetaobject.cpp:355
#9  0x00007f1baf91be13 in qobject_cast<QWidgetWindow*> (object=0x51b51e0) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:514
#10 QGestureManager::filterEvent (this=0x20f3ce0, receiver=0x51b51e0, event=0x7fffc768fcd0) at kernel/qgesturemanager.cpp:588
#11 0x00007f1baf8d5213 in QApplication::notify (this=0x7fffc7690100, receiver=0x51b51e0, e=0x7fffc768fcd0) at kernel/qapplication.cpp:3046
#12 0x00007f1badce6df8 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x51b51e0, event=event@entry=0x7fffc768fcd0) at kernel/qcoreapplication.cpp:1018
#13 0x00007f1bac0c0ce9 in QCoreApplication::sendEvent (event=0x7fffc768fcd0, receiver=0x51b51e0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qcoreapplication.h:233
#14 QQuickKeysAttached::keyReleased (this=0x225aa60, event=0x7fffc768fcd0, post=<optimized out>) at items/qquickitem.cpp:1428
#15 0x00007f1bac0ccdd7 in QQuickItemPrivate::deliverKeyEvent (this=0x2246090, e=0x7fffc768fcd0) at items/qquickitem.cpp:5026
#16 0x00007f1bac0cd185 in QQuickItem::event (this=0x2245fe0, ev=0x7fffc768fcd0) at items/qquickitem.cpp:7738
#17 0x00007f1baf8cbb9c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x2245fe0, e=0x7fffc768fcd0) at kernel/qapplication.cpp:3722
#18 0x00007f1baf8d35a7 in QApplication::notify (this=0x7fffc7690100, receiver=0x2245fe0, e=0x7fffc768fcd0) at kernel/qapplication.cpp:3481
#19 0x00007f1badce6df8 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x2245fe0, event=event@entry=0x7fffc768fcd0) at kernel/qcoreapplication.cpp:1018
#20 0x00007f1bac0dddbd in QCoreApplication::sendEvent (event=0x7fffc768fcd0, receiver=0x2245fe0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qcoreapplication.h:233
#21 QQuickWindow::sendEvent (this=<optimized out>, item=0x2245fe0, e=e@entry=0x7fffc768fcd0) at items/qquickwindow.cpp:2835
#22 0x00007f1bac0ddf1b in QQuickWindowPrivate::deliverKeyEvent (this=this@entry=0x217c7d0, e=e@entry=0x7fffc768fcd0) at items/qquickwindow.cpp:1636
#23 0x00007f1bac0de07f in QQuickWindow::keyReleaseEvent (this=<optimized out>, e=0x7fffc768fcd0) at items/qquickwindow.cpp:1628
#24 0x00007f1baf169f15 in QWindow::event (this=this@entry=0x2161f50, ev=ev@entry=0x7fffc768fcd0) at kernel/qwindow.cpp:2267
#25 0x00007f1bac0e5e85 in QQuickWindow::event (this=0x2161f50, e=0x7fffc768fcd0) at items/qquickwindow.cpp:1610
#26 0x00007f1baf8cbb9c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x2161f50, e=0x7fffc768fcd0) at kernel/qapplication.cpp:3722
#27 0x00007f1baf8d35a7 in QApplication::notify (this=0x7fffc7690100, receiver=0x2161f50, e=0x7fffc768fcd0) at kernel/qapplication.cpp:3481
#28 0x00007f1badce6df8 in QCoreApplication::notifyInternal2 (receiver=0x2161f50, event=event@entry=0x7fffc768fcd0) at kernel/qcoreapplication.cpp:1018
#29 0x00007f1bac751fec in QCoreApplication::sendEvent (event=0x7fffc768fcd0, receiver=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qcoreapplication.h:233
#30 QQuickWidget::keyReleaseEvent (this=<optimized out>, e=0x7fffc768fcd0) at qquickwidget.cpp:1239
#31 0x00007f1baf90ab08 in QWidget::event (this=this@entry=0x217be10, event=event@entry=0x7fffc768fcd0) at kernel/qwidget.cpp:9200
#32 0x00007f1bac75374b in QQuickWidget::event (this=0x217be10, e=0x7fffc768fcd0) at qquickwidget.cpp:1467
#33 0x00007f1baf8cbb9c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x217be10, e=0x7fffc768fcd0) at kernel/qapplication.cpp:3722
#34 0x00007f1baf8d4ed6 in QApplication::notify (this=0x7fffc7690100, receiver=0x217be10, e=0x7fffc768fcd0) at kernel/qapplication.cpp:3116
#35 0x00007f1badce6df8 in QCoreApplication::notifyInternal2 (receiver=0x217be10, event=0x7fffc768fcd0) at kernel/qcoreapplication.cpp:1018
#36 0x00007f1baf92757b in QWidgetWindow::event (this=0x1ec0220, event=0x7fffc768fcd0) at kernel/qwidgetwindow.cpp:236
#37 0x00007f1baf8cbb9c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x1ec0220, e=0x7fffc768fcd0) at kernel/qapplication.cpp:3722
#38 0x00007f1baf8d35a7 in QApplication::notify (this=0x7fffc7690100, receiver=0x1ec0220, e=0x7fffc768fcd0) at kernel/qapplication.cpp:3481
#39 0x00007f1badce6df8 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x1ec0220, event=event@entry=0x7fffc768fcd0) at kernel/qcoreapplication.cpp:1018
#40 0x00007f1baf15a408 in QCoreApplication::sendSpontaneousEvent (event=0x7fffc768fcd0, receiver=0x1ec0220) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#41 QGuiApplicationPrivate::processKeyEvent (e=0x5258570) at kernel/qguiapplication.cpp:2075
#42 0x00007f1baf15f7a5 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x5258570) at kernel/qguiapplication.cpp:1739
#43 0x00007f1baf13981b in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:939
#44 0x00007f1ba07c6440 in userEventSourceDispatch (source=<optimized out>) at qeventdispatcher_glib.cpp:77
#45 0x00007f1ba73b1197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f1ba73b13f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f1ba73b149c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f1badd3c6af in QEventDispatcherGlib::processEvents (this=0x1ded3f0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#49 0x00007f1badce4e2a in QEventLoop::exec (this=this@entry=0x7fffc768ffe0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#50 0x00007f1badcedd64 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1291
#51 0x00007f1baf15520c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1679
#52 0x00007f1baf8cbaf5 in QApplication::exec () at kernel/qapplication.cpp:2910
#53 0x000000000040b689 in main (argc=1, argv=<optimized out>) at /workspace/build/app/main.cpp:65

Reported using DrKonqi