Application: kwin_x11 (5.9.4) Qt Version: 5.7.1 Frameworks Version: 5.31.0 Operating System: Linux 4.10.0-20-generic x86_64 Distribution: Ubuntu 17.04 -- Information about the crash: - What I was doing when the application crashed: I was logging in and nothing was there on screen but crash report appeared. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 [Current thread is 1 (Thread 0x7ff141956580 (LWP 1807))] Thread 5 (Thread 0x7ff1260cf700 (LWP 2261)): #0 0x00007ff13aa8a510 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007ff13ddb52c4 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #2 0x00007ff13ddb5309 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #3 0x00007ff13aa846da in start_thread (arg=0x7ff1260cf700) at pthread_create.c:456 #4 0x00007ff14139017f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 4 (Thread 0x7ff11d14c700 (LWP 2068)): [KCrash Handler] #6 0x00007ff13eb8e1b4 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ff13eb2acb6 in QLockFile::tryLock(int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007ff14070db19 in () at /usr/lib/x86_64-linux-gnu/libKF5ConfigCore.so.5 #9 0x00007ff1406f77c0 in KConfig::sync() () at /usr/lib/x86_64-linux-gnu/libKF5ConfigCore.so.5 #10 0x00007ff11fddf665 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.platforms/KWinX11Platform.so #11 0x00007ff13ec2781e in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #12 0x00007ff13ec33e38 in QTimer::timerEvent(QTimerEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00007ff13ec28313 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #14 0x00007ff13f8d335c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #15 0x00007ff13f8dab11 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #16 0x00007ff13ebfb8a0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007ff13ec4eeae in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #18 0x00007ff13ec4cdba in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #19 0x00007ff13ebf988a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #20 0x00007ff13ea26fe3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00007ff13ea2bc98 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #22 0x00007ff13aa846da in start_thread (arg=0x7ff11d14c700) at pthread_create.c:456 #23 0x00007ff14139017f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 3 (Thread 0x7ff11e14d700 (LWP 1994)): #0 0x00007ff141384251 in __GI_ppoll (fds=0x7ff10c000ac8, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39 #1 0x00007ff13ec4b251 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007ff13ec4cb4a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007ff13ebf988a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ff13ea26fe3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ff1397f1df5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #6 0x00007ff13ea2bc98 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ff13aa846da in start_thread (arg=0x7ff11e14d700) at pthread_create.c:456 #8 0x00007ff14139017f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 2 (Thread 0x7ff127d24700 (LWP 1894)): #0 0x00007ff14138418d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007ff136088576 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ff13608868c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007ff13ec4ff2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ff13ebf988a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ff13ea26fe3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ff1389ca5c5 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #7 0x00007ff13ea2bc98 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007ff13aa846da in start_thread (arg=0x7ff127d24700) at pthread_create.c:456 #9 0x00007ff14139017f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 1 (Thread 0x7ff141956580 (LWP 1807)): #0 0x00007ff13aa8a510 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007ff13ea2cb4b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007ff13ea25a23 in QSemaphore::acquire(int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007ff13ec2771e in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ff13ec27e6f in QObject::destroyed(QObject*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ff13ec2eb05 in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ff1390c2813 in () at /usr/lib/x86_64-linux-gnu/libKF5GlobalAccel.so.5 #7 0x00007ff13ec25cd1 in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007ff13ec2f05f in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007ff1390b3d99 in () at /usr/lib/x86_64-linux-gnu/libKF5GlobalAccel.so.5 #10 0x00007ff1412c2270 in __run_exit_handlers (status=1, listp=0x7ff1416495d8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at exit.c:83 #11 0x00007ff1412c22ca in __GI_exit (status=<optimized out>) at exit.c:105 #12 0x00007ff126d7f683 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #13 0x00007ff13ec28359 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #14 0x00007ff13f8d335c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #15 0x00007ff13f8dab11 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #16 0x00007ff13ebfb8a0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007ff13ebfe02d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #18 0x00007ff13ec4c977 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #19 0x00007ff126df69fd in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #20 0x00007ff13ebf988a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00007ff13ec01ffc in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #22 0x00007ff141658112 in kdemain () at /usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so #23 0x00007ff1412a83f1 in __libc_start_main (main=0x56020badc7e0, argc=3, argv=0x7ffed60aa108, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffed60aa0f8) at ../csu/libc-start.c:291 #24 0x000056020badc81a in _start () Reported using DrKonqi
*** This bug has been marked as a duplicate of bug 372114 ***