Bug 366515

Application: systemsettings5 (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-31-generic x86_64
Distribution: Ubuntu 16.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed: 
I was seeing section 'Energy' in System Settings, it wasn't running any other application

-- Backtrace:
Application: Preferencias del sistema (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc90da0c8c0 (LWP 9894))]

Thread 2 (Thread 0x7fc8fcd99700 (LWP 9895)):
#0  0x00007fc90a0e4e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fc907d93c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fc907d958d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fc8ff75b629 in QXcbEventReader::run (this=0xfdf650) at qxcbconnection.cpp:1253
#4  0x00007fc90a7e784e in QThreadPrivate::start (arg=0xfdf650) at thread/qthread_unix.cpp:331
#5  0x00007fc9075096fa in start_thread (arg=0x7fc8fcd99700) at pthread_create.c:333
#6  0x00007fc90a0f0b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fc90da0c8c0 (LWP 9894)):
[KCrash Handler]
#6  0x0000000000000030 in ?? ()
#7  0x00007fc90a9fb1e9 in QObject::disconnect (sender=0x1110050, signal=0x141b6d9 "destroyed()", receiver=0x1427d10, method=0x141b689 "slotManagedTopLevelWidgetDestroyed()") at kernel/qobject.cpp:2932
#8  0x00007fc8ed34c1b3 in KParts::PartManager::~PartManager() () from /usr/lib/x86_64-linux-gnu/libKF5Parts.so.5
#9  0x00007fc8ed34c369 in KParts::PartManager::~PartManager() () from /usr/lib/x86_64-linux-gnu/libKF5Parts.so.5
#10 0x00007fc90a9f552b in QObjectPrivate::deleteChildren (this=this@entry=0x139e650) at kernel/qobject.cpp:1946
#11 0x00007fc90a9feda0 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1024
#12 0x00007fc8eda9231b in KHTMLPart::~KHTMLPart() () from /usr/lib/x86_64-linux-gnu/libKF5KHtml.so.5
#13 0x00007fc8eda92439 in KHTMLPart::~KHTMLPart() () from /usr/lib/x86_64-linux-gnu/libKF5KHtml.so.5
#14 0x00007fc90a9f7ec0 in QObject::event (this=0x139e7d0, e=<optimized out>) at kernel/qobject.cpp:1230
#15 0x00007fc90bead05c in QApplicationPrivate::notify_helper (this=this@entry=0xfc2c00, receiver=receiver@entry=0x139e7d0, e=e@entry=0x13da1e0) at kernel/qapplication.cpp:3716
#16 0x00007fc90beb2516 in QApplication::notify (this=0x7ffc4a87b9a0, receiver=0x139e7d0, e=0x13da1e0) at kernel/qapplication.cpp:3499
#17 0x00007fc90a9c862b in QCoreApplication::notifyInternal (this=0x7ffc4a87b9a0, receiver=0x139e7d0, event=event@entry=0x13da1e0) at kernel/qcoreapplication.cpp:965
#18 0x00007fc90a9caa26 in QCoreApplication::sendEvent (event=0x13da1e0, 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=0xfc2280) at kernel/qcoreapplication.cpp:1593
#20 0x00007fc90a9caf08 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#21 0x00007fc90aa1e673 in postEventSourceDispatch (s=0x100d430) at kernel/qeventdispatcher_glib.cpp:271
#22 0x00007fc906fdc1a7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fc906fdc400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fc906fdc4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fc90aa1ea7f in QEventDispatcherGlib::processEvents (this=0x100ae40, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#26 0x00007fc90a9c5dea in QEventLoop::exec (this=this@entry=0x7ffc4a87b880, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#27 0x00007fc90a9cde8c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#28 0x00007fc90b8f3c3c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1542
#29 0x00007fc90bea9495 in QApplication::exec () at kernel/qapplication.cpp:2976
#30 0x000000000040f7a1 in main (argc=1, argv=<optimized out>) at /build/systemsettings-3AmRXd/systemsettings-5.5.5/app/main.cpp:55

Possible duplicates by query: bug 366489, bug 364754, bug 364048, bug 363646, bug 363325.

Reported using DrKonqi