Application: systemsettings5 (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.5.2-040502-generic x86_64
Distribution: Ubuntu 16.04 LTS

-- Information about the crash:
- What I was doing when the application crashed: Set the desktop background, crash report after closing systems settings

-- Backtrace:
Application: System Settings (systemsettings5), signal: Illegal instruction
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9110ba58c0 (LWP 1348))]

Thread 2 (Thread 0x7f90ff40c700 (LWP 1349)):
#0  0x00007f910d2bde8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f910afa5c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f910afa78d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f910175e629 in QXcbEventReader::run (this=0x72e510) at qxcbconnection.cpp:1253
#4  0x00007f910d9b384e in QThreadPrivate::start (arg=0x72e510) at thread/qthread_unix.cpp:331
#5  0x00007f910a72f6fa in start_thread (arg=0x7f90ff40c700) at pthread_create.c:333
#6  0x00007f910d2c9b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f9110ba58c0 (LWP 1348)):
[KCrash Handler]
#6  0x00007f910dc68880 in QListData::shared_null () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f910dbc71e9 in QObject::disconnect (sender=0xae67b0, signal=0xbcf0b9 "destroyed()", receiver=0xbe7100, method=0xbe0959 "slotManagedTopLevelWidgetDestroyed()") at kernel/qobject.cpp:2932
#8  0x00007f90f12731b3 in KParts::PartManager::~PartManager() () from /usr/lib/x86_64-linux-gnu/libKF5Parts.so.5
#9  0x00007f90f1273369 in KParts::PartManager::~PartManager() () from /usr/lib/x86_64-linux-gnu/libKF5Parts.so.5
#10 0x00007f910dbc152b in QObjectPrivate::deleteChildren (this=this@entry=0xb5e640) at kernel/qobject.cpp:1946
#11 0x00007f910dbcada0 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#12 0x00007f90f19b631b in KHTMLPart::~KHTMLPart() () from /usr/lib/x86_64-linux-gnu/libKF5KHtml.so.5
#13 0x00007f90f19b6439 in KHTMLPart::~KHTMLPart() () from /usr/lib/x86_64-linux-gnu/libKF5KHtml.so.5
#14 0x00007f910dbc3ec0 in QObject::event (this=0xb5e5b0, e=<optimized out>) at kernel/qobject.cpp:1230
#15 0x00007f910f06705c in QApplicationPrivate::notify_helper (this=this@entry=0x7165f0, receiver=receiver@entry=0xb5e5b0, e=e@entry=0xb98e40) at kernel/qapplication.cpp:3716
#16 0x00007f910f06c516 in QApplication::notify (this=0x7fff0e8901d0, receiver=0xb5e5b0, e=0xb98e40) at kernel/qapplication.cpp:3499
#17 0x00007f910db9462b in QCoreApplication::notifyInternal (this=0x7fff0e8901d0, receiver=0xb5e5b0, event=event@entry=0xb98e40) at kernel/qcoreapplication.cpp:965
#18 0x00007f910db96a26 in QCoreApplication::sendEvent (event=0xb98e40, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x715c70) at kernel/qcoreapplication.cpp:1593
#20 0x00007f910db96f08 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#21 0x00007f910dbea673 in postEventSourceDispatch (s=0x75d070) at kernel/qeventdispatcher_glib.cpp:271
#22 0x00007f910a20e1a7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f910a20e400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f910a20e4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f910dbeaa7f in QEventDispatcherGlib::processEvents (this=0x76e180, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#26 0x00007f910db91dea in QEventLoop::exec (this=this@entry=0x7fff0e8900b0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#27 0x00007f910db99e8c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#28 0x000000000040f7a1 in main ()

Possible duplicates by query: bug 362564, bug 362520, bug 362242, bug 362233, bug 362194.

Reported using DrKonqi