Bug 363325

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: Closing system settings after making a change.  Always occurs now.  Bug report will not allow actually selecting a duplicate or rather the way to do this is hopelessly obscure. So done with this distro.

-- 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 0x7f47914f98c0 (LWP 1792))]

Thread 2 (Thread 0x7f477fd60700 (LWP 1793)):
#0  0x00007f478dc11e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f478b8f9c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f478b8fb8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f47820b2629 in QXcbEventReader::run (this=0xf00510) at qxcbconnection.cpp:1253
#4  0x00007f478e30784e in QThreadPrivate::start (arg=0xf00510) at thread/qthread_unix.cpp:331
#5  0x00007f478b0836fa in start_thread (arg=0x7f477fd60700) at pthread_create.c:333
#6  0x00007f478dc1db5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f47914f98c0 (LWP 1792)):
[KCrash Handler]
#6  0x00007f478e51b1e7 in QObject::disconnect (sender=0x129c6f0, signal=0x1385179 "destroyed()", receiver=0x1392130, method=0x1396a19 "slotManagedTopLevelWidgetDestroyed()") at kernel/qobject.cpp:2932
#7  0x00007f4771b881b3 in KParts::PartManager::~PartManager() () from /usr/lib/x86_64-linux-gnu/libKF5Parts.so.5
#8  0x00007f4771b88369 in KParts::PartManager::~PartManager() () from /usr/lib/x86_64-linux-gnu/libKF5Parts.so.5
#9  0x00007f478e51552b in QObjectPrivate::deleteChildren (this=this@entry=0x1314580) at kernel/qobject.cpp:1946
#10 0x00007f478e51eda0 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#11 0x00007f47722cb31b in KHTMLPart::~KHTMLPart() () from /usr/lib/x86_64-linux-gnu/libKF5KHtml.so.5
#12 0x00007f47722cb439 in KHTMLPart::~KHTMLPart() () from /usr/lib/x86_64-linux-gnu/libKF5KHtml.so.5
#13 0x00007f478e517ec0 in QObject::event (this=0x13144f0, e=<optimized out>) at kernel/qobject.cpp:1230
#14 0x00007f478f9bb05c in QApplicationPrivate::notify_helper (this=this@entry=0xee85f0, receiver=receiver@entry=0x13144f0, e=e@entry=0x134d430) at kernel/qapplication.cpp:3716
#15 0x00007f478f9c0516 in QApplication::notify (this=0x7fffeae429f0, receiver=0x13144f0, e=0x134d430) at kernel/qapplication.cpp:3499
#16 0x00007f478e4e862b in QCoreApplication::notifyInternal (this=0x7fffeae429f0, receiver=0x13144f0, event=event@entry=0x134d430) at kernel/qcoreapplication.cpp:965
#17 0x00007f478e4eaa26 in QCoreApplication::sendEvent (event=0x134d430, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xee7c70) at kernel/qcoreapplication.cpp:1593
#19 0x00007f478e4eaf08 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#20 0x00007f478e53e673 in postEventSourceDispatch (s=0xf2b360) at kernel/qeventdispatcher_glib.cpp:271
#21 0x00007f478ab621a7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f478ab62400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f478ab624ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f478e53ea7f in QEventDispatcherGlib::processEvents (this=0xf2b400, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#25 0x00007f478e4e5dea in QEventLoop::exec (this=this@entry=0x7fffeae428d0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#26 0x00007f478e4ede8c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#27 0x000000000040f7a1 in main ()

Possible duplicates by query: bug 363323, bug 362564, bug 362520, bug 362242, bug 362233.

Reported using DrKonqi