Application: konsole (15.04.0) Qt Version: 5.5.0 Operating System: Linux 4.1.6-200.fc22.x86_64 x86_64 Distribution: "Fedora release 22 (Twenty Two)" -- Information about the crash: - What I was doing when the application crashed: Switching focus back to konsole (alt-tab) -- On Fedora 22, gnome-shell, with latest updates from the plasma-5-beta copr -- Backtrace: Application: Konsole (konsole), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7ff536188900 (LWP 5004))] Thread 2 (Thread 0x7ff516eb1700 (LWP 5005)): #0 0x00007ff52e2f22fd in poll () from /lib64/libc.so.6 #1 0x00007ff52b34f182 in _xcb_conn_wait () from /lib64/libxcb.so.1 #2 0x00007ff52b350c77 in xcb_wait_for_event () from /lib64/libxcb.so.1 #3 0x00007ff51903f999 in QXcbEventReader::run() () from /lib64/libQt5XcbQpa.so.5 #4 0x00007ff52eefe54e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5 #5 0x00007ff52c24c555 in start_thread () from /lib64/libpthread.so.0 #6 0x00007ff52e2fdb9d in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x7ff536188900 (LWP 5004)): [KCrash Handler] #5 0x00007ff51905858f in QXcbWindow::handleClientMessageEvent(xcb_client_message_event_t const*) () from /lib64/libQt5XcbQpa.so.5 #6 0x00007ff51904384b in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () from /lib64/libQt5XcbQpa.so.5 #7 0x00007ff519043d73 in QXcbConnection::processXcbEvents() () from /lib64/libQt5XcbQpa.so.5 #8 0x00007ff52f10f021 in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5 #9 0x00007ff52fdc84ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5 #10 0x00007ff52fdcd976 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5 #11 0x00007ff52f0df61b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQt5Core.so.5 #12 0x00007ff52f0e1a16 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5 #13 0x00007ff52f135983 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5 #14 0x00007ff529d32a8a in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #15 0x00007ff529d32e20 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #16 0x00007ff529d32ecc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #17 0x00007ff52f135d8f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #18 0x00007ff52f0dcdaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #19 0x00007ff52f0e4e6c in QCoreApplication::exec() () from /lib64/libQt5Core.so.5 #20 0x00007ff535dfeb89 in kdemain () from /lib64/libkdeinit5_konsole.so #21 0x00007ff52e21b700 in __libc_start_main () from /lib64/libc.so.6 #22 0x0000000000400a99 in _start () Possible duplicates by query: bug 351797. Reported using DrKonqi
All these QXcbConnection::handleXcbEvent crashes may be related to Qt5 https://bugs.archlinux.org/task/43986 supposedly fixed in qt5 5.5.0-2
Yes, its either that or: https://bugreports.qt.io/browse/QTBUG-42985 This is a generic Qt issue, and no, there is no fixed version.