354942 2015-11-06 11:15:21 +0000 plasmashell suddenly crashes while minimizing and maximizing applications 2015-11-10 18:01:01 +0000 1 1 4 Plasma plasmashell general 5.4.2 Ubuntu Linux RESOLVED DUPLICATE 349820 drkonqi NOR crash 1.0 0 gabrimonfa kde bshah notmart plasma-bugs-null 0 oldest_to_newest 1555231 0 gabrimonfa 2015-11-06 11:15:21 +0000 Application: plasmashell (5.4.2) Qt Version: 5.4.2 Operating System: Linux 4.2.0-16-generic x86_64 Distribution: Ubuntu 15.10 -- Information about the crash: - What I was doing when the application crashed: I was fiddling with panel minimizing and maximizing applications Possibly related to 346740 (there's a bug in the crash assistant that prevent me to signal as a possible duplicate) -- Backtrace: Application: Plasma (plasmashell), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 [Current thread is 1 (Thread 0x7f3656bcb800 (LWP 2421))] Thread 17 (Thread 0x7f3640724700 (LWP 2422)): #0 0x00007f36513878dd in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f36553cebd2 in poll (__timeout=-1, __nfds=1, __fds=0x7f3640723cc0) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46 #2 _xcb_conn_wait (c=c@entry=0x221c3d0, cond=cond@entry=0x221c410, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:459 #3 0x00007f36553d074f in xcb_wait_for_event (c=0x221c3d0) at ../../src/xcb_in.c:623 #4 0x00007f36432f2a39 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so #5 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f3650b696aa in start_thread (arg=0x7f3640724700) at pthread_create.c:333 #7 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 16 (Thread 0x7f363def3700 (LWP 2508)): #0 0x00007f3651389743 in select () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f3651cac90f in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f3651cae40e in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007f3651cae93e in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f3651c5775a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f3651a753d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f365429df85 in QQmlThreadPrivate::run (this=0x234d500) at qml/ftw/qqmlthread.cpp:141 #7 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f3650b696aa in start_thread (arg=0x7f363def3700) at pthread_create.c:333 #9 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 15 (Thread 0x7f362efe6700 (LWP 2510)): #0 0x00007f3651389743 in select () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f3651cac90f in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f3651cae40e in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007f3651cae93e in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f3651c5775a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f3651a753d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f365429df85 in QQmlThreadPrivate::run (this=0x2739000) at qml/ftw/qqmlthread.cpp:141 #7 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f3650b696aa in start_thread (arg=0x7f362efe6700) at pthread_create.c:333 #9 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 14 (Thread 0x7f362cb7c700 (LWP 2519)): #0 0x00007f3651389743 in select () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f3651cac90f in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f3651cae40e in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007f3651cae93e in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f3651c5775a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f3651a753d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f365429df85 in QQmlThreadPrivate::run (this=0x28fbd30) at qml/ftw/qqmlthread.cpp:141 #7 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f3650b696aa in start_thread (arg=0x7f362cb7c700) at pthread_create.c:333 #9 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 13 (Thread 0x7f361f1c4700 (LWP 2521)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f3656629114 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #2 0x00007f3656629159 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #3 0x00007f3650b696aa in start_thread (arg=0x7f361f1c4700) at pthread_create.c:333 #4 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 12 (Thread 0x7f359c850700 (LWP 2532)): #0 0x00007f3651389743 in select () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f3651cac90f in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f3651cae40e in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007f3651cae93e in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f3651c5775a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f3651a753d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f3654c19ef6 in QQuickPixmapReader::run (this=0x2c19b30) at util/qquickpixmapcache.cpp:797 #7 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f3650b696aa in start_thread (arg=0x7f359c850700) at pthread_create.c:333 #9 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 11 (Thread 0x7f35942e4700 (LWP 2588)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f3651a7b55b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f3654c8cb3e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x3520d98) at scenegraph/qsgthreadedrenderloop.cpp:232 #3 QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x3520d20) at scenegraph/qsgthreadedrenderloop.cpp:643 #4 0x00007f3654c8d3c3 in QSGRenderThread::run (this=0x3520d20) at scenegraph/qsgthreadedrenderloop.cpp:672 #5 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f3650b696aa in start_thread (arg=0x7f35942e4700) at pthread_create.c:333 #7 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 10 (Thread 0x7f3591efb700 (LWP 2601)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f3651a7b55b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f3654c8cb3e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x364e308) at scenegraph/qsgthreadedrenderloop.cpp:232 #3 QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x364e290) at scenegraph/qsgthreadedrenderloop.cpp:643 #4 0x00007f3654c8d3c3 in QSGRenderThread::run (this=0x364e290) at scenegraph/qsgthreadedrenderloop.cpp:672 #5 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f3650b696aa in start_thread (arg=0x7f3591efb700) at pthread_create.c:333 #7 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 9 (Thread 0x7f3589cae700 (LWP 2737)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f3651a7b55b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f3654c8cb3e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x3fc3fc8) at scenegraph/qsgthreadedrenderloop.cpp:232 #3 QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x3fc3f50) at scenegraph/qsgthreadedrenderloop.cpp:643 #4 0x00007f3654c8d3c3 in QSGRenderThread::run (this=0x3fc3f50) at scenegraph/qsgthreadedrenderloop.cpp:672 #5 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f3650b696aa in start_thread (arg=0x7f3589cae700) at pthread_create.c:333 #7 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 8 (Thread 0x7f35889ec700 (LWP 2738)): [KCrash Handler] #6 windowFor<QSGThreadedRenderLoop::Window> (window=0x3179d20, list=...) at scenegraph/qsgthreadedrenderloop.cpp:162 #7 QSGThreadedRenderLoop::update (this=0x2537920, window=0x3179d20) at scenegraph/qsgthreadedrenderloop.cpp:1006 #8 0x00007f3654c3deef in QQuickAnimatorController::animationFinished (this=0x317a1f0, job=0x44bc200) at util/qquickanimatorcontroller.cpp:257 #9 0x00007f36542d6ef5 in QAbstractAnimationJob::finished (this=this@entry=0x44bc200) at animations/qabstractanimationjob.cpp:588 #10 0x00007f36542d7a88 in QAbstractAnimationJob::setState (this=0x44bc200, newState=newState@entry=QAbstractAnimationJob::Stopped) at animations/qabstractanimationjob.cpp:393 #11 0x00007f36542d7ad7 in QAbstractAnimationJob::stop (this=this@entry=0x44bc200) at animations/qabstractanimationjob.cpp:530 #12 0x00007f36542d7c41 in QAbstractAnimationJob::setCurrentTime (this=0x44bc200, msecs=<optimized out>) at animations/qabstractanimationjob.cpp:502 #13 0x00007f36542d7e2c in QQmlAnimationTimer::updateAnimationsTime (this=0x7f3578123060, delta=20) at animations/qabstractanimationjob.cpp:111 #14 0x00007f3651a547a2 in QUnifiedTimer::updateAnimationTimers(long long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #15 0x00007f3651a5537c in QAnimationDriver::advanceAnimation(long long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #16 0x00007f3654c6d4bf in QSGAnimationDriver::advance (this=0x7f3578001280) at scenegraph/qsgcontext.cpp:256 #17 0x00007f3654c8843b in QSGRenderThread::syncAndRender (this=this@entry=0x3f768f0) at scenegraph/qsgthreadedrenderloop.cpp:574 #18 0x00007f3654c8d29c in QSGRenderThread::run (this=0x3f768f0) at scenegraph/qsgthreadedrenderloop.cpp:663 #19 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #20 0x00007f3650b696aa in start_thread (arg=0x7f35889ec700) at pthread_create.c:333 #21 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 7 (Thread 0x7f3577fff700 (LWP 2740)): #0 0x00007f3651389743 in select () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f3651cac90f in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f3651cae40e in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007f3651cae93e in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f3651c5775a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f3651a753d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f357ea398f7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so #7 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f3650b696aa in start_thread (arg=0x7f3577fff700) at pthread_create.c:333 #9 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 6 (Thread 0x7f35675ef700 (LWP 2862)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f3651a7b55b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f3654c8cb3e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x4811088) at scenegraph/qsgthreadedrenderloop.cpp:232 #3 QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x4811010) at scenegraph/qsgthreadedrenderloop.cpp:643 #4 0x00007f3654c8d3c3 in QSGRenderThread::run (this=0x4811010) at scenegraph/qsgthreadedrenderloop.cpp:672 #5 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f3650b696aa in start_thread (arg=0x7f35675ef700) at pthread_create.c:333 #7 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 5 (Thread 0x7f356ebdf700 (LWP 2915)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f3651a7b55b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f3654c8cb3e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x47bb798) at scenegraph/qsgthreadedrenderloop.cpp:232 #3 QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x47bb720) at scenegraph/qsgthreadedrenderloop.cpp:643 #4 0x00007f3654c8d3c3 in QSGRenderThread::run (this=0x47bb720) at scenegraph/qsgthreadedrenderloop.cpp:672 #5 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f3650b696aa in start_thread (arg=0x7f356ebdf700) at pthread_create.c:333 #7 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7f35665ee700 (LWP 2926)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f3651a7b55b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f3654c8cb3e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x4699118) at scenegraph/qsgthreadedrenderloop.cpp:232 #3 QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x46990a0) at scenegraph/qsgthreadedrenderloop.cpp:643 #4 0x00007f3654c8d3c3 in QSGRenderThread::run (this=0x46990a0) at scenegraph/qsgthreadedrenderloop.cpp:672 #5 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f3650b696aa in start_thread (arg=0x7f35665ee700) at pthread_create.c:333 #7 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7f3565a7b700 (LWP 3629)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f3651a7b55b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f3654c8cb3e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x4ee0dc8) at scenegraph/qsgthreadedrenderloop.cpp:232 #3 QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x4ee0d50) at scenegraph/qsgthreadedrenderloop.cpp:643 #4 0x00007f3654c8d3c3 in QSGRenderThread::run (this=0x4ee0d50) at scenegraph/qsgthreadedrenderloop.cpp:672 #5 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f3650b696aa in start_thread (arg=0x7f3565a7b700) at pthread_create.c:333 #7 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7f356507a700 (LWP 3768)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f3651a7b55b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f3654c8cb3e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x465c9c8) at scenegraph/qsgthreadedrenderloop.cpp:232 #3 QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x465c950) at scenegraph/qsgthreadedrenderloop.cpp:643 #4 0x00007f3654c8d3c3 in QSGRenderThread::run (this=0x465c950) at scenegraph/qsgthreadedrenderloop.cpp:672 #5 0x00007f3651a7a2be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f3650b696aa in start_thread (arg=0x7f356507a700) at pthread_create.c:333 #7 0x00007f3651392eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7f3656bcb800 (LWP 2421)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f3651a72468 in QBasicMutex::lockInternal() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f3654c3e035 in QQuickAnimatorController::lock (this=0x317a1f0) at util/qquickanimatorcontroller_p.h:70 #3 QQuickAnimatorController::stopProxyJobs (this=0x317a1f0) at util/qquickanimatorcontroller.cpp:238 #4 0x00007f3651c8b651 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f3652737b8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #6 0x00007f365273d230 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #7 0x00007f3651c59f1b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f3651c5c057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f3651cae802 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007f364334905d in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so #11 0x00007f3651c5775a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #12 0x00007f3651c5f2cc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00000000004322c3 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:176 Possible duplicates by query: bug 349820. Reported using DrKonqi 1556079 1 notmart 2015-11-10 18:01:01 +0000 *** This bug has been marked as a duplicate of bug 349820 ***