Application: systemsettings5 (5.2.0) Qt Version: 5.3.2 Operating System: Linux 3.18.0-13-generic x86_64 Distribution: Ubuntu Vivid Vervet (development branch) -- Information about the crash: - What I was doing when the application crashed: Exited monitors and screens configuration module - Unusual behavior I noticed: Probably not related, but currently my system fails to start a login screen manager (sddm); so starting the desktop through a tty with startx. -- 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 0x7f94854ad7c0 (LWP 6014))] Thread 2 (Thread 0x7f9472a8f700 (LWP 6015)): #0 0x00007f948125e0fd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f947fb5ab72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007f947fb5c64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007f947581ee39 in QXcbEventReader::run (this=0xb80740) at qxcbconnection.cpp:1046 #4 0x00007f94818ded2e in QThreadPrivate::start (arg=0xb80740) at thread/qthread_unix.cpp:345 #5 0x00007f947e3c80a5 in start_thread (arg=0x7f9472a8f700) at pthread_create.c:309 #6 0x00007f94812685ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 1 (Thread 0x7f94854ad7c0 (LWP 6014)): [KCrash Handler] #6 0x00007f9460ec6a04 in QQuickWindow::maybeUpdate() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f9460eb35c8 in QQuickItemPrivate::dirty(QQuickItemPrivate::DirtyType) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x00007f9460ebc5e5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #9 0x00007f9481b4c0aa in QObject::event (this=0x1330a00, e=<optimized out>) at kernel/qobject.cpp:1241 #10 0x00007f9460ebb67b in QQuickItem::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #11 0x00007f9482f5d1ec in QApplicationPrivate::notify_helper (this=0xb52f90, receiver=0x1330a00, e=0x7f94544c4450) at kernel/qapplication.cpp:3499 #12 0x00007f9482f626c0 in QApplication::notify (this=0x7fff0b5b3430, receiver=0x1330a00, e=0x7f94544c4450) at kernel/qapplication.cpp:3282 #13 0x00007f9481b1bf9b in QCoreApplication::notifyInternal (this=0x7fff0b5b3430, receiver=0x1330a00, event=event@entry=0x7f94544c4450) at kernel/qcoreapplication.cpp:935 #14 0x00007f9481b1df93 in sendEvent (event=0x7f94544c4450, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:237 #15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xb526f0) at kernel/qcoreapplication.cpp:1539 #16 0x00007f9481b1e598 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1397 #17 0x00007f9481b73f73 in postEventSourceDispatch (s=0xbca220) at kernel/qeventdispatcher_glib.cpp:279 #18 0x00007f947dea8ecd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #19 0x00007f947dea91b0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #20 0x00007f947dea925c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #21 0x00007f9481b74387 in QEventDispatcherGlib::processEvents (this=0xbc5a60, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #22 0x00007f9481b196e2 in QEventLoop::exec (this=this@entry=0x7fff0b5b3310, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212 #23 0x00007f9481b2132c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188 #24 0x00007f94827c474c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1486 #25 0x00007f9482f5b7f5 in QApplication::exec () at kernel/qapplication.cpp:2744 #26 0x000000000040e96c in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:54 Reported using DrKonqi
*** This bug has been marked as a duplicate of bug 343543 ***