Bug 379204

Application: systemsettings5 (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-64-generic x86_64
Distribution: Ubuntu 16.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Succesfully made changes to cursor size then exited system settings, then an error message is displayed (after exit of system settings) saying system settings has crashed.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fedfce7e900 (LWP 8457))]

Thread 3 (Thread 0x7feda8bd4700 (LWP 8645)):
#0  0x00007fedf955d69d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fedf2160f55 in ?? () from /usr/lib/nvidia-340/tls/libnvidia-tls.so.340.102
#2  0x00007fedf649c6f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fedf6458e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fedf6459330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fedf645949c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fedf9e9b7eb in QEventDispatcherGlib::processEvents (this=0x7fed68001c00, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x00007fedf9e42b4a in QEventLoop::exec (this=this@entry=0x7feda8bd3ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007fedf9c5f834 in QThread::exec (this=this@entry=0x1aa0240) at thread/qthread.cpp:503
#9  0x00007fedf85c03c5 in QQmlThreadPrivate::run (this=0x1aa0240) at qml/ftw/qqmlthread.cpp:141
#10 0x00007fedf9c647be in QThreadPrivate::start (arg=0x1aa0240) at thread/qthread_unix.cpp:331
#11 0x00007fedf69866ba in start_thread (arg=0x7feda8bd4700) at pthread_create.c:333
#12 0x00007fedf956d82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fede9abe700 (LWP 8458)):
#0  0x00007fedf9561b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fedf7210c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fedf72128d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fedec480629 in QXcbEventReader::run (this=0x1186280) at qxcbconnection.cpp:1253
#4  0x00007fedf9c647be in QThreadPrivate::start (arg=0x1186280) at thread/qthread_unix.cpp:331
#5  0x00007fedf69866ba in start_thread (arg=0x7fede9abe700) at pthread_create.c:333
#6  0x00007fedf956d82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fedfce7e900 (LWP 8457)):
[KCrash Handler]
#6  0x00007fedf9e4cfb7 in QMetaObject::cast(QObject*) const () at kernel/qmetaobject.cpp:312
#7  0x00007fedfc737dcf in ?? () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#8  0x00007fedf9e45052 in QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=this@entry=0x1158980, receiver=receiver@entry=0x14a1100, event=event@entry=0x7fff2d4620d0) at kernel/qcoreapplication.cpp:1053
#9  0x00007fedfb329fe8 in QApplicationPrivate::notify_helper (this=this@entry=0x1158980, receiver=receiver@entry=0x14a1100, e=e@entry=0x7fff2d4620d0) at kernel/qapplication.cpp:3691
#10 0x00007fedfb32f516 in QApplication::notify (this=0x7fff2d462430, receiver=0x14a1100, e=0x7fff2d4620d0) at kernel/qapplication.cpp:3499
#11 0x00007fedf9e4538b in QCoreApplication::notifyInternal (this=0x7fff2d462430, receiver=0x14a1100, event=event@entry=0x7fff2d4620d0) at kernel/qcoreapplication.cpp:965
#12 0x00007fedf9e9a5ed in QCoreApplication::sendEvent (event=0x7fff2d4620d0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#13 QTimerInfoList::activateTimers (this=0x11d4c90) at kernel/qtimerinfo_unix.cpp:637
#14 0x00007fedf9e9aaf1 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#15 0x00007fedf6459197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007fedf64593f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007fedf645949c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007fedf9e9b7cf in QEventDispatcherGlib::processEvents (this=0x11b1e90, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#19 0x00007fedf9e42b4a in QEventLoop::exec (this=this@entry=0x7fff2d462310, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#20 0x00007fedf9e4abec in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#21 0x000000000040f7a1 in main ()

Possible duplicates by query: bug 377077, bug 353699, bug 350859, bug 347071.

Reported using DrKonqi