https://bugs.kde.org/show_bug.cgi?id=390446
Bug ID: 390446 Summary: All Qt-based applications crash when connecting an external display Product: krunner Version: unspecified Platform: Compiled Sources OS: Linux Status: UNCONFIRMED Keywords: drkonqi Severity: crash Priority: NOR Component: general Assignee: k...@privat.broulik.de Reporter: aleix...@gmail.com Target Milestone: --- Application: krunner (5.12.80) (Compiled from sources) Qt Version: 5.10.1 Frameworks Version: 5.43.0 Operating System: Linux 4.15.3-1-ARCH x86_64 Distribution (Platform): Archlinux Packages -- Information about the crash: They crash, and then everything runs smoothly, but they shouldn't crash. ^^' It's a Qt wayland integration crash, if I run the applications with the xcb backend, they don't crash. The crash can be reproduced every time. -- Backtrace: Application: krunner (krunner), signal: Segmentation fault Using host libthread_db library "/usr/lib/libthread_db.so.1". [Current thread is 1 (Thread 0x7f646f74adc0 (LWP 607))] Thread 3 (Thread 0x7f6452fc2700 (LWP 657)): #0 0x00007f646ad2197b in poll () from /usr/lib/libc.so.6 #1 0x00007f6462f7cff3 in ?? () from /usr/lib/libglib-2.0.so.0 #2 0x00007f6462f7d10e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #3 0x00007f646bbc9fdb in QEventDispatcherGlib::processEvents (this=0x7f644c000b20, flags=...) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:425 #4 0x00007f646bb6da7a in QEventLoop::exec (this=this@entry=0x7f6452fc1d40, flags=..., flags@entry=...) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:212 #5 0x00007f646b98367a in QThread::exec (this=this@entry=0x55ef7dc69090) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/thread/qthread.cpp:522 #6 0x00007f646e234ef5 in QQmlThreadPrivate::run (this=0x55ef7dc69090) at /home/apol/devel/frameworks/qt5/qtdeclarative/src/qml/qml/ftw/qqmlthread.cpp:147 #7 0x00007f646b98884f in QThreadPrivate::start (arg=0x55ef7dc69090) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:376 #8 0x00007f64674d408c in start_thread () from /usr/lib/libpthread.so.0 #9 0x00007f646ad2be7f in clone () from /usr/lib/libc.so.6 Thread 2 (Thread 0x7f645b532700 (LWP 640)): #0 0x00007f646ad2197b in poll () from /usr/lib/libc.so.6 #1 0x00007f6462f7cff3 in ?? () from /usr/lib/libglib-2.0.so.0 #2 0x00007f6462f7d10e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #3 0x00007f646bbc9fdb in QEventDispatcherGlib::processEvents (this=0x7f6454000b20, flags=...) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:425 #4 0x00007f646bb6da7a in QEventLoop::exec (this=this@entry=0x7f645b531d30, flags=..., flags@entry=...) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:212 #5 0x00007f646b98367a in QThread::exec (this=this@entry=0x7f646f91fda0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/thread/qthread.cpp:522 #6 0x00007f646f8ab6d5 in QDBusConnectionManager::run (this=0x7f646f91fda0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at /home/apol/devel/frameworks/qt5/qtbase/src/dbus/qdbusconnection.cpp:178 #7 0x00007f646b98884f in QThreadPrivate::start (arg=0x7f646f91fda0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:376 #8 0x00007f64674d408c in start_thread () from /usr/lib/libpthread.so.0 #9 0x00007f646ad2be7f in clone () from /usr/lib/libc.so.6 Thread 1 (Thread 0x7f646f74adc0 (LWP 607)): [KCrash Handler] #6 QScreen::geometry (this=0x0) at /home/apol/devel/frameworks/qt5/qtbase/src/gui/kernel/qscreen.cpp:378 #7 0x00007f646bf0e21c in QScreen::virtualGeometry (this=this@entry=0x55ef7d9913b0) at /home/apol/devel/frameworks/qt5/qtbase/src/gui/kernel/qscreen.cpp:446 #8 0x00007f646bee35af in QGuiApplicationPrivate::reportGeometryChange (e=<optimized out>) at /home/apol/devel/frameworks/qt5/qtbase/src/gui/kernel/qguiapplication.cpp:2829 #9 0x00007f646bee443d in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x55ef7dd52280) at /home/apol/devel/frameworks/qt5/qtbase/src/gui/kernel/qguiapplication.cpp:1790 #10 0x00007f646bebc2db in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at /home/apol/devel/frameworks/qt5/qtbase/src/gui/kernel/qwindowsysteminterface.cpp:984 #11 0x00007f645d73ed0b in QPAEventDispatcherGlib::processEvents (this=0x55ef7d9d8380, flags=...) at /home/apol/devel/frameworks/qt5/qtbase/src/platformsupport/eventdispatchers/qeventdispatcher_glib.cpp:70 #12 0x00007f645d70838f in QtWaylandClient::QWaylandDisplay::forceRoundTrip (this=this@entry=0x55ef7d973f40) at /home/apol/devel/frameworks/qt5/qtwayland/src/client/qwaylanddisplay.cpp:364 #13 0x00007f645d7090f3 in QtWaylandClient::QWaylandDisplay::registry_global (this=0x55ef7d973f40, id=35, interface=..., version=2) at /home/apol/devel/frameworks/qt5/qtwayland/src/client/qwaylanddisplay.cpp:251 #14 0x00007f645d72da96 in QtWayland::wl_registry::handle_global (data=0x55ef7d973f50, object=<optimized out>, name=35, interface=0x55ef7dd589a0 "wl_output", version=2) at qwayland-wayland.cpp:71 #15 0x00007f64618f91c8 in ffi_call_unix64 () from /usr/lib/libffi.so.6 #16 0x00007f64618f8c2a in ffi_call () from /usr/lib/libffi.so.6 #17 0x00007f6467df3bad in ?? () from /usr/lib/libwayland-client.so.0 #18 0x00007f6467df0679 in ?? () from /usr/lib/libwayland-client.so.0 #19 0x00007f6467df19b4 in wl_display_dispatch_queue_pending () from /usr/lib/libwayland-client.so.0 #20 0x00007f645d708152 in QtWaylandClient::QWaylandDisplay::flushRequests (this=0x55ef7d973f40) at /home/apol/devel/frameworks/qt5/qtwayland/src/client/qwaylanddisplay.cpp:190 #21 0x00007f646bb9ef65 in QMetaObject::activate (sender=sender@entry=0x55ef7d9fbf10, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe022a6750) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qobject.cpp:3767 #22 0x00007f646bb9f637 in QMetaObject::activate (sender=sender@entry=0x55ef7d9fbf10, m=m@entry=0x7f646bdd5d40 <QSocketNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe022a6750) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qobject.cpp:3629 #23 0x00007f646bbab508 in QSocketNotifier::activated (this=this@entry=0x55ef7d9fbf10, _t1=<optimized out>, _t2=...) at .moc/moc_qsocketnotifier.cpp:136 #24 0x00007f646bbab8d2 in QSocketNotifier::event (this=0x55ef7d9fbf10, e=0x7ffe022a69c0) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qsocketnotifier.cpp:266 #25 0x00007f646c7cbd3c in QApplicationPrivate::notify_helper (this=this@entry=0x55ef7d96fa80, receiver=receiver@entry=0x55ef7d9fbf10, e=e@entry=0x7ffe022a69c0) at /home/apol/devel/frameworks/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3732 #26 0x00007f646c7d34c4 in QApplication::notify (this=0x7ffe022a6e80, receiver=0x55ef7d9fbf10, e=0x7ffe022a69c0) at /home/apol/devel/frameworks/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3491 #27 0x00007f646bb6f3a8 in QCoreApplication::notifyInternal2 (receiver=0x55ef7d9fbf10, event=event@entry=0x7ffe022a69c0) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1050 #28 0x00007f646bbcac1d in QCoreApplication::sendEvent (event=0x7ffe022a69c0, receiver=<optimized out>) at ../../include/QtCore/../../../../../devel/frameworks/qt5/qtbase/src/corelib/kernel/qcoreapplication.h:234 #29 socketNotifierSourceDispatch (source=0x55ef7d9c7620) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:106 #30 0x00007f6462f7ce38 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #31 0x00007f6462f7d081 in ?? () from /usr/lib/libglib-2.0.so.0 #32 0x00007f6462f7d10e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #33 0x00007f646bbc9fbf in QEventDispatcherGlib::processEvents (this=0x55ef7d9d8380, flags=...) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:423 #34 0x00007f645d73ed01 in QPAEventDispatcherGlib::processEvents (this=0x55ef7d9d8380, flags=...) at /home/apol/devel/frameworks/qt5/qtbase/src/platformsupport/eventdispatchers/qeventdispatcher_glib.cpp:69 #35 0x00007f646bb6da7a in QEventLoop::exec (this=this@entry=0x7ffe022a6c00, flags=..., flags@entry=...) at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:212 #36 0x00007f646bb76b74 in QCoreApplication::exec () at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1338 #37 0x000055ef7cefe74d in main (argc=1, argv=0x7ffe022a6f98) at /home/apol/devel/frameworks/plasma-workspace/krunner/main.cpp:90 Reported using DrKonqi -- You are receiving this mail because: You are watching all bug changes.