Bug 391102

Application: org_kde_powerdevil ()

Qt Version: 5.9.4
Frameworks Version: 5.42.0
Operating System: Linux 4.15.4-300.fc27.x86_64 x86_64
Distribution: "Fedora release 27 (Twenty Seven)"

-- Information about the crash:
- What I was doing when the application crashed:  suspend a laptop (Lenovo w540, fedora27) with one external screen on crashes kde

The crash can be reproduced every time.

-- Backtrace:
Application: org_kde_powerdevil (org_kde_powerdevil), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1c1da0ef00 (LWP 2110))]

Thread 5 (Thread 0x7f1beffff700 (LWP 2159)):
#0  0x00007f1c172cc3db in poll () from /lib64/libc.so.6
#1  0x00007f1c100dee99 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f1c100df232 in g_main_loop_run () from /lib64/libglib-2.0.so.0
#3  0x00007f1bfd4ebb56 in gdbus_shared_thread_func () from /lib64/libgio-2.0.so.0
#4  0x00007f1c10106486 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5  0x00007f1c1680c61b in start_thread () from /lib64/libpthread.so.0
#6  0x00007f1c172d898f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f1bfcd77700 (LWP 2158)):
#0  0x00007f1c172cc3db in poll () from /lib64/libc.so.6
#1  0x00007f1c100dee99 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f1c100defac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f1c100deff1 in glib_worker_main () from /lib64/libglib-2.0.so.0
#4  0x00007f1c10106486 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5  0x00007f1c1680c61b in start_thread () from /lib64/libpthread.so.0
#6  0x00007f1c172d898f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f1bfea50700 (LWP 2137)):
#0  0x00007f1c172cc3db in poll () from /lib64/libc.so.6
#1  0x00007f1c100dee99 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f1c100defac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f1c1836090b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f1c1830e62a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f1c1815f8ca in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f1c18b00449 in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#7  0x00007f1c18163de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f1c1680c61b in start_thread () from /lib64/libpthread.so.0
#9  0x00007f1c172d898f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f1bffa93700 (LWP 2135)):
#0  0x00007f1c172cc3db in poll () from /lib64/libc.so.6
#1  0x00007f1c17ea2fe7 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f1c17ea4dda in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f1c01bf5bf9 in QXcbEventReader::run() () from /lib64/libQt5XcbQpa.so.5
#4  0x00007f1c18163de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007f1c1680c61b in start_thread () from /lib64/libpthread.so.0
#6  0x00007f1c172d898f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f1c1da0ef00 (LWP 2110)):
[KCrash Handler]
#6  0x00007f1c1d41e90b in QHash<PowerDevil::Action*, QHashDummyValue>::erase(QHash<PowerDevil::Action*, QHashDummyValue>::const_iterator) () from /lib64/libpowerdevilcore.so.2
#7  0x00007f1c1d416f2d in PowerDevil::Core::onResumingFromIdle() () from /lib64/libpowerdevilcore.so.2
#8  0x00007f1c1d419af8 in PowerDevil::Core::loadProfile(bool) () from /lib64/libpowerdevilcore.so.2
#9  0x00007f1c1d41cd23 in PowerDevil::Core::onAcAdapterStateChanged(PowerDevil::BackendInterface::AcAdapterState) () from /lib64/libpowerdevilcore.so.2
#10 0x00007f1c1d43c31b in PowerDevil::Core::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /lib64/libpowerdevilcore.so.2
#11 0x00007f1c183381d3 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#12 0x00007f1c1d43b0de in PowerDevil::BackendInterface::acAdapterStateChanged(PowerDevil::BackendInterface::AcAdapterState) () from /lib64/libpowerdevilcore.so.2
#13 0x00007f1beedda162 in PowerDevilUPowerBackend::slotPropertyChanged() () from /usr/lib64/qt5/plugins/kf5/powerdevil/powerdevilupowerbackend.so
#14 0x00007f1beedebeb4 in PowerDevilUPowerBackend::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib64/qt5/plugins/kf5/powerdevil/powerdevilupowerbackend.so
#15 0x00007f1beedec455 in PowerDevilUPowerBackend::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/qt5/plugins/kf5/powerdevil/powerdevilupowerbackend.so
#16 0x00007f1c18b0b8b8 in QDBusConnectionPrivate::deliverCall(QObject*, int, QDBusMessage const&, QVector<int> const&, int) () from /lib64/libQt5DBus.so.5
#17 0x00007f1c18338f2a in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5
#18 0x00007f1c1830f7ba in doNotify(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#19 0x00007f1c1830f8a7 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#20 0x00007f1c1831202b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5
#21 0x00007f1c18360b03 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5
#22 0x00007f1c100deb77 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#23 0x00007f1c100def20 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#24 0x00007f1c100defac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#25 0x00007f1c183608ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#26 0x00007f1c1830e62a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#27 0x00007f1c18316d54 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#28 0x00005557df96d6ab in main ()

Reported using DrKonqi