Application: konsole (15.04.0)

Qt Version: 5.4.1
Operating System: Linux 4.0.1-1-default i686
Distribution: "openSUSE 20150515 (Tumbleweed) (i586)"

-- Information about the crash:
- What I was doing when the application crashed:
I was in the process of adding the Application Launcher widget to Plasma.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb4061800 (LWP 1741))]

Thread 3 (Thread 0xb289eb40 (LWP 1744)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in  () at /usr/lib/libxcb.so.1
#3  0xffffffff in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#4  0xffffffff in  () at /usr/lib/qt5/plugins/platforms/libqxcb.so
#5  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in start_thread () at /lib/libpthread.so.0
#7  0xffffffff in clone () at /lib/libc.so.6

Thread 2 (Thread 0xaf7d9b40 (LWP 1766)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xffffffff in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libc.so.6
#3  0xffffffff in  () at /usr/lib/dri/radeonsi_dri.so
#4  0xffffffff in  () at /usr/lib/dri/radeonsi_dri.so
#5  0xffffffff in start_thread () at /lib/libpthread.so.0
#6  0xffffffff in clone () at /lib/libc.so.6

Thread 1 (Thread 0xb4061800 (LWP 1741)):
[KCrash Handler]
#6  0xffffffff in Konsole::ViewManager::saveSessions(KConfigGroup&) () at /usr/lib/libkonsoleprivate.so.15
#7  0xffffffff in  () at /usr/lib/libkdeinit5_konsole.so
#8  0xffffffff in KMainWindow::savePropertiesInternal(KConfig*, int) () at /usr/lib/libKF5XmlGui.so.5
#9  0xffffffff in  () at /usr/lib/libKF5XmlGui.so.5
#10 0xffffffff in  () at /usr/lib/libKF5XmlGui.so.5
#11 0xffffffff in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/sse2/libQt5Core.so.5
#12 0xffffffff in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib/sse2/libQt5Core.so.5
#13 0xffffffff in QGuiApplication::saveStateRequest(QSessionManager&) () at /usr/lib/sse2/libQt5Gui.so.5
#14 0xffffffff in QGuiApplicationPrivate::saveState() () at /usr/lib/sse2/libQt5Gui.so.5
#15 0xffffffff in QPlatformSessionManager::appSaveState() () at /usr/lib/sse2/libQt5Gui.so.5
#16 0xffffffff in  () at /usr/lib/qt5/plugins/platforms/libqxcb.so
#17 0xffffffff in  () at /usr/lib/qt5/plugins/platforms/libqxcb.so
#18 0xffffffff in _SmcProcessMessage () at /usr/lib/libSM.so.6
#19 0xffffffff in IceProcessMessages () at /usr/lib/libICE.so.6
#20 0xffffffff in  () at /usr/lib/qt5/plugins/platforms/libqxcb.so
#21 0xffffffff in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/sse2/libQt5Core.so.5
#22 0xffffffff in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib/sse2/libQt5Core.so.5
#23 0xffffffff in QSocketNotifier::activated(int, QSocketNotifier::QPrivateSignal) () at /usr/lib/sse2/libQt5Core.so.5
#24 0xffffffff in QSocketNotifier::event(QEvent*) () at /usr/lib/sse2/libQt5Core.so.5
#25 0xffffffff in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#26 0xffffffff in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#27 0xffffffff in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib/sse2/libQt5Core.so.5
#28 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#29 0xffffffff in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#30 0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#31 0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#32 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#33 0xffffffff in  () at /usr/lib/qt5/plugins/platforms/libqxcb.so
#34 0xffffffff in QCoreApplication::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#35 0xffffffff in KWindowConfig::restoreWindowSize(QWindow*, KConfigGroup const&) () at /usr/lib/libKF5ConfigGui.so.5
#36 0xffffffff in KMainWindow::applyMainWindowSettings(KConfigGroup const&) () at /usr/lib/libKF5XmlGui.so.5
#37 0xffffffff in KXmlGuiWindow::applyMainWindowSettings(KConfigGroup const&) () at /usr/lib/libKF5XmlGui.so.5
#38 0xffffffff in KMainWindow::setAutoSaveSettings(KConfigGroup const&, bool) () at /usr/lib/libKF5XmlGui.so.5
#39 0xffffffff in KMainWindow::setAutoSaveSettings(QString const&, bool) () at /usr/lib/libKF5XmlGui.so.5
#40 0xffffffff in  () at /usr/lib/libkdeinit5_konsole.so
#41 0xffffffff in  () at /usr/lib/libkdeinit5_konsole.so
#42 0xffffffff in  () at /usr/lib/libkdeinit5_konsole.so
#43 0xffffffff in  () at /usr/lib/libkdeinit5_konsole.so
#44 0xffffffff in kdemain () at /usr/lib/libkdeinit5_konsole.so
#45 0x08048637 in main ()

Reported using DrKonqi