Bug 352507

Application: plasmashell (5.4.0)

Qt Version: 5.5.0
Operating System: Linux 4.2.0-300.fc23.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:

Plasma crashing accidently after monitor coming back from sleep mode or switching back from virtual consoles.

-- Backtrace:
Application: Плазма (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f537ec37940 (LWP 16619))]

Thread 11 (Thread 0x7f535da15700 (LWP 16627)):
#0  0x00007f53766b811d in poll () at /lib64/libc.so.6
#1  0x00007f537caee182 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f537caefc77 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f53607a6999 in QXcbEventReader::run() (this=0x555a8c2f3fc0) at qxcbconnection.cpp:1198
#4  0x00007f53772bf54e in QThreadPrivate::start(void*) (arg=0x555a8c2f3fc0) at thread/qthread_unix.cpp:331
#5  0x00007f53752cc60a in start_thread () at /lib64/libpthread.so.0
#6  0x00007f53766c3bbd in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f5356dbb700 (LWP 16693)):
#0  0x00007f53766b811d in poll () at /lib64/libc.so.6
#1  0x00007f537175b27c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f537175b38c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f53774f6dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f53500008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f537749ddaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f5356dbac60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f53772ba5a4 in QThread::exec() (this=this@entry=0x555a8c3e8690) at thread/qthread.cpp:503
#6  0x00007f537b585245 in QQmlThreadPrivate::run() (this=0x555a8c3e8690) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007f53772bf54e in QThreadPrivate::start(void*) (arg=0x555a8c3e8690) at thread/qthread_unix.cpp:331
#8  0x00007f53752cc60a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f53766c3bbd in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f534ede0700 (LWP 16715)):
#0  0x00007f53766b3cfd in read () at /lib64/libc.so.6
#1  0x00007f536e7b0073 in  () at /lib64/libnvidia-tls.so.355.11
#2  0x00007f537179e970 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#3  0x00007f537175ad74 in g_main_context_check () at /lib64/libglib-2.0.so.0
#4  0x00007f537175b220 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#5  0x00007f537175b38c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#6  0x00007f53774f6dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f53480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x00007f537749ddaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f534eddfc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f53772ba5a4 in QThread::exec() (this=this@entry=0x555a8c8bfb60) at thread/qthread.cpp:503
#9  0x00007f537b585245 in QQmlThreadPrivate::run() (this=0x555a8c8bfb60) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#10 0x00007f53772bf54e in QThreadPrivate::start(void*) (arg=0x555a8c8bfb60) at thread/qthread_unix.cpp:331
#11 0x00007f53752cc60a in start_thread () at /lib64/libpthread.so.0
#12 0x00007f53766c3bbd in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f534d196700 (LWP 16721)):
#0  0x00007f537179fd10 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007f537175ac4a in g_main_context_check () at /lib64/libglib-2.0.so.0
#2  0x00007f537175b220 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f537175b38c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f53774f6dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f53400008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f537749ddaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f534d195c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f53772ba5a4 in QThread::exec() (this=this@entry=0x555a8c699200) at thread/qthread.cpp:503
#7  0x00007f537b585245 in QQmlThreadPrivate::run() (this=0x555a8c699200) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f53772bf54e in QThreadPrivate::start(void*) (arg=0x555a8c699200) at thread/qthread_unix.cpp:331
#9  0x00007f53752cc60a in start_thread () at /lib64/libpthread.so.0
#10 0x00007f53766c3bbd in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f53477b8700 (LWP 16730)):
#0  0x00007f53752d1b10 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f537e3be494 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007f537e3be4d9 in  () at /lib64/libQt5Script.so.5
#3  0x00007f53752cc60a in start_thread () at /lib64/libpthread.so.0
#4  0x00007f53766c3bbd in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f52bec9e700 (LWP 16792)):
#0  0x00007f53766b811d in poll () at /lib64/libc.so.6
#1  0x00007f537175b27c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f537175b38c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f53774f6dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f52b80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f537749ddaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f52bec9dc10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f53772ba5a4 in QThread::exec() (this=this@entry=0x555a8d0602e0) at thread/qthread.cpp:503
#6  0x00007f537c127616 in QQuickPixmapReader::run() (this=0x555a8d0602e0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/util/qquickpixmapcache.cpp:754
#7  0x00007f53772bf54e in QThreadPrivate::start(void*) (arg=0x555a8d0602e0) at thread/qthread_unix.cpp:331
#8  0x00007f53752cc60a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f53766c3bbd in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f52a8e0c700 (LWP 16849)):
#0  0x00007f53766b811d in poll () at /lib64/libc.so.6
#1  0x00007f537175b27c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f537175b38c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f53774f6dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f52980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f537749ddaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f52a8e0bc40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f53772ba5a4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f52aaa423c7 in KCupsConnection::run() () at /lib64/libkcupslib.so
#7  0x00007f53772bf54e in QThreadPrivate::start(void*) (arg=0x555a8d82b290) at thread/qthread_unix.cpp:331
#8  0x00007f53752cc60a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f53766c3bbd in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f528ffff700 (LWP 16894)):
#0  0x00007f53752d1b10 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f53772c07db in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x555a8eb03020) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f53772c07db in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x555a8da9ba88, mutex=mutex@entry=0x555a8da9ba80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f537c19c7de in QSGRenderThread::processEventsAndWaitForMore() (wait=true, this=0x555a8da9ba78) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:224
#4  0x00007f537c19c7de in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x555a8da9ba00) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:654
#5  0x00007f537c19d063 in QSGRenderThread::run() (this=0x555a8da9ba00) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:683
#6  0x00007f53772bf54e in QThreadPrivate::start(void*) (arg=0x555a8da9ba00) at thread/qthread_unix.cpp:331
#7  0x00007f53752cc60a in start_thread () at /lib64/libpthread.so.0
#8  0x00007f53766c3bbd in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f528effd700 (LWP 16918)):
#0  0x00007f53752d1b10 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f53772c07db in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x555a8d912d30) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f53772c07db in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x555a8de23838, mutex=mutex@entry=0x555a8de23830, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f537c19c7de in QSGRenderThread::processEventsAndWaitForMore() (wait=true, this=0x555a8de23828) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:224
#4  0x00007f537c19c7de in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x555a8de237b0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:654
#5  0x00007f537c19d063 in QSGRenderThread::run() (this=0x555a8de237b0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:683
#6  0x00007f53772bf54e in QThreadPrivate::start(void*) (arg=0x555a8de237b0) at thread/qthread_unix.cpp:331
#7  0x00007f53752cc60a in start_thread () at /lib64/libpthread.so.0
#8  0x00007f53766c3bbd in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f528e095700 (LWP 17035)):
#0  0x00007f53752d1b10 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f53772c07db in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x555a8d017f20) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f53772c07db in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x555a8cfc7418, mutex=mutex@entry=0x555a8cfc7410, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f537c19c7de in QSGRenderThread::processEventsAndWaitForMore() (wait=true, this=0x555a8cfc7408) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:224
#4  0x00007f537c19c7de in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x555a8cfc7390) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:654
#5  0x00007f537c19d063 in QSGRenderThread::run() (this=0x555a8cfc7390) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:683
#6  0x00007f53772bf54e in QThreadPrivate::start(void*) (arg=0x555a8cfc7390) at thread/qthread_unix.cpp:331
#7  0x00007f53752cc60a in start_thread () at /lib64/libpthread.so.0
#8  0x00007f53766c3bbd in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f537ec37940 (LWP 16619)):
[KCrash Handler]
#5  0x00007f5377a017d0 in QScreen::refreshRate() const (this=0x0) at kernel/qscreen.cpp:463
#6  0x00007f537c1989a8 in QSGThreadedRenderLoop::startOrStopAnimationTimer() () at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:111
#7  0x00007f537c1989a8 in QSGThreadedRenderLoop::startOrStopAnimationTimer() (this=this@entry=0x555a8c4d5680) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:791
#8  0x00007f537c198ad3 in QSGThreadedRenderLoop::animationStarted() (this=0x555a8c4d5680) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:758
#9  0x00007f53774cf15a in QMetaObject::activate(QObject*, int, int, void**) (sender=0x555a8c4d19a0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3718
#10 0x00007f5377297a25 in QUnifiedTimer::startAnimationDriver() (this=<optimized out>) at animation/qabstractanimation.cpp:279
#11 0x00007f5377299a36 in QUnifiedTimer::startTimers() (this=0x555a8c53c400) at animation/qabstractanimation.cpp:400
#12 0x00007f53774d0021 in QObject::event(QEvent*) (this=0x555a8c53c400, e=<optimized out>) at kernel/qobject.cpp:1246
#13 0x00007f5378a564ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x555a8c2c8170, receiver=receiver@entry=0x555a8c53c400, e=e@entry=0x555a8cc2f3b0) at kernel/qapplication.cpp:3717
#14 0x00007f5378a5b976 in QApplication::notify(QObject*, QEvent*) (this=0x7ffe93dc9d60, receiver=0x555a8c53c400, e=0x555a8cc2f3b0) at kernel/qapplication.cpp:3500
#15 0x00007f53774a061b in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7ffe93dc9d60, receiver=0x555a8c53c400, event=event@entry=0x555a8cc2f3b0) at kernel/qcoreapplication.cpp:965
#16 0x00007f53774a2a16 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (event=0x555a8cc2f3b0, receiver=<optimized out>) at kernel/qcoreapplication.h:224
#17 0x00007f53774a2a16 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x555a8c2be5b0) at kernel/qcoreapplication.cpp:1593
#18 0x00007f53774a2ef8 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#19 0x00007f53774f6983 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x555a8c319a80) at kernel/qeventdispatcher_glib.cpp:271
#20 0x00007f537175af4a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#21 0x00007f537175b2e0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#22 0x00007f537175b38c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#23 0x00007f53774f6d8f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x555a8c3245f0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#24 0x00007f537749ddaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffe93dc9be0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#25 0x00007f53774a5e6c in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1229
#26 0x0000555a8a00e1d3 in main ()

Reported using DrKonqi