https://bugs.kde.org/show_bug.cgi?id=346740

Martin Bednar <seraf...@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |seraf...@gmail.com

--- Comment #44 from Martin Bednar <seraf...@gmail.com> ---
I just hit this  (at least dr Konqui says so)  , also by fast clicking in the
system tray.
First happened by fast switch between klipper and telepathy contact list.
I reproduced it by fast switching between telepathy contact list and klipper
(that worked). Crash occured when I hit the bluetooth icon.

What I think is important is that in the first crash klipper had never been
shown before in this session (and system boot), the same goes for the bluetooth
widget (hadn't been shown before).

Trace :

[Current thread is 1 (Thread 0x7ff586714840 (LWP 14889))]

Thread 20 (Thread 0x7ff5730e6700 (LWP 14895)):
#0  0x00007ff581013aed in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff584edba92 in poll (__timeout=-1, __nfds=1, __fds=0x7ff5730e5c80)
at /usr/include/bits/poll2.h:46
#2  _xcb_conn_wait (c=c@entry=0xbeeb80, cond=cond@entry=0xbeebc0,
vector=vector@entry=0x0, count=count@entry=0x0) at
/var/tmp/portage/x11-libs/libxcb-1.11.1/work/libxcb-1.11.1/src/xcb_conn.c:459
#3  0x00007ff584edd67f in xcb_wait_for_event (c=0xbeeb80) at
/var/tmp/portage/x11-libs/libxcb-1.11.1/work/libxcb-1.11.1/src/xcb_in.c:693
#4  0x00007ff57503a719 in QXcbEventReader::run (this=0xc01bd0) at
qxcbconnection.cpp:1229
#5  0x00007ff58167bb63 in QThreadPrivate::start (arg=0xc01bd0) at
thread/qthread_unix.cpp:331
#6  0x00007ff58081e314 in start_thread (arg=0x7ff5730e6700) at
pthread_create.c:333
#7  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7ff56757c700 (LWP 14897)):
#0  pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff570c8df63 in cnd_wait (mtx=0xc54dd0, cond=<optimized out>) at
/var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/include/c11/threads_posix.h:159
#2  pipe_semaphore_wait (sema=0xc54dd0) at
/var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/src/gallium/auxiliary/os/os_thread.h:259
#3  radeon_drm_cs_emit_ioctl (param=param@entry=0xc549a0) at
/var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c:680
#4  0x00007ff570c8d787 in impl_thrd_routine (p=<optimized out>) at
/var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/include/c11/threads_posix.h:87
#5  0x00007ff58081e314 in start_thread (arg=0x7ff56757c700) at
pthread_create.c:333
#6  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7ff564f75700 (LWP 14903)):
#0  postEventSourcePrepare (s=0x7ff5600012d0,
timeout=timeout@entry=0x7ff564f74bc4) at kernel/qeventdispatcher_glib.cpp:255
#1  0x00007ff57cf4455d in g_main_context_prepare
(context=context@entry=0x7ff560000990, priority=priority@entry=0x7ff564f74c48)
at /var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3442
#2  0x00007ff57cf44e30 in g_main_context_iterate
(context=context@entry=0x7ff560000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3820
#3  0x00007ff57cf4502c in g_main_context_iteration (context=0x7ff560000990,
may_block=1) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3901
#4  0x00007ff58186237b in QEventDispatcherGlib::processEvents
(this=0x7ff5600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007ff58181775b in QEventLoop::exec (this=this@entry=0x7ff564f74d70,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007ff58167751a in QThread::exec (this=this@entry=0xd39ae0) at
thread/qthread.cpp:503
#7  0x00007ff583d9c548 in QQmlThreadPrivate::run (this=0xd39ae0) at
qml/ftw/qqmlthread.cpp:141
#8  0x00007ff58167bb63 in QThreadPrivate::start (arg=0xd39ae0) at
thread/qthread_unix.cpp:331
#9  0x00007ff58081e314 in start_thread (arg=0x7ff564f75700) at
pthread_create.c:333
#10 0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7ff55c0a2700 (LWP 14912)):
#0  0x00007ff581013aed in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff57cf44f14 in g_main_context_poll (priority=2147483647, n_fds=1,
fds=0x7ff554002e70, timeout=-1, context=0x7ff554000990) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:4135
#2  g_main_context_iterate (context=context@entry=0x7ff554000990,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3835
#3  0x00007ff57cf4502c in g_main_context_iteration (context=0x7ff554000990,
may_block=1) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3901
#4  0x00007ff58186237b in QEventDispatcherGlib::processEvents
(this=0x7ff5540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007ff58181775b in QEventLoop::exec (this=this@entry=0x7ff55c0a1d70,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007ff58167751a in QThread::exec (this=this@entry=0xf5db20) at
thread/qthread.cpp:503
#7  0x00007ff583d9c548 in QQmlThreadPrivate::run (this=0xf5db20) at
qml/ftw/qqmlthread.cpp:141
#8  0x00007ff58167bb63 in QThreadPrivate::start (arg=0xf5db20) at
thread/qthread_unix.cpp:331
#9  0x00007ff58081e314 in start_thread (arg=0x7ff55c0a2700) at
pthread_create.c:333
#10 0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7ff559dfe700 (LWP 14913)):
#0  0x00007ff581013aed in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff57cf44f14 in g_main_context_poll (priority=2147483647, n_fds=1,
fds=0x7ff54c003070, timeout=-1, context=0x7ff54c000990) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:4135
#2  g_main_context_iterate (context=context@entry=0x7ff54c000990,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3835
#3  0x00007ff57cf4502c in g_main_context_iteration (context=0x7ff54c000990,
may_block=1) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3901
#4  0x00007ff58186237b in QEventDispatcherGlib::processEvents
(this=0x7ff54c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007ff58181775b in QEventLoop::exec (this=this@entry=0x7ff559dfdd70,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007ff58167751a in QThread::exec (this=this@entry=0xfec550) at
thread/qthread.cpp:503
#7  0x00007ff583d9c548 in QQmlThreadPrivate::run (this=0xfec550) at
qml/ftw/qqmlthread.cpp:141
#8  0x00007ff58167bb63 in QThreadPrivate::start (arg=0xfec550) at
thread/qthread_unix.cpp:331
#9  0x00007ff58081e314 in start_thread (arg=0x7ff559dfe700) at
pthread_create.c:333
#10 0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7ff553fff700 (LWP 14919)):
#0  pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff58616211b in QTWTF::TCMalloc_PageHeap::scavengerThread
(this=0x7ff586249c60 <QTWTF::pageheap_memory>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007ff586162149 in QTWTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007ff58081e314 in start_thread (arg=0x7ff553fff700) at
pthread_create.c:333
#4  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7ff5516f6700 (LWP 14930)):
#0  g_main_context_check (context=context@entry=0x7ff4c8000990,
max_priority=2147483647, fds=fds@entry=0x7ff4c8003120, n_fds=n_fds@entry=1) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3681
#1  0x00007ff57cf44ea8 in g_main_context_iterate
(context=context@entry=0x7ff4c8000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3837
#2  0x00007ff57cf4502c in g_main_context_iteration (context=0x7ff4c8000990,
may_block=1) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3901
#3  0x00007ff58186237b in QEventDispatcherGlib::processEvents
(this=0x7ff4c80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007ff58181775b in QEventLoop::exec (this=this@entry=0x7ff5516f5d30,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007ff58167751a in QThread::exec (this=this@entry=0x1232750) at
thread/qthread.cpp:503
#6  0x00007ff58472e0d2 in QQuickPixmapReader::run (this=0x1232750) at
util/qquickpixmapcache.cpp:760
#7  0x00007ff58167bb63 in QThreadPrivate::start (arg=0x1232750) at
thread/qthread_unix.cpp:331
#8  0x00007ff58081e314 in start_thread (arg=0x7ff5516f6700) at
pthread_create.c:333
#9  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7ff4c7fff700 (LWP 14940)):
#0  pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff58167c13a in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x119b850) at
thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0xef1f28, mutex=mutex@entry=0xef1f20,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007ff58479fdab in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0xef1f18) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0xef1ea0) at
scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007ff5847a0243 in QSGRenderThread::run (this=0xef1ea0) at
scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007ff58167bb63 in QThreadPrivate::start (arg=0xef1ea0) at
thread/qthread_unix.cpp:331
#7  0x00007ff58081e314 in start_thread (arg=0x7ff4c7fff700) at
pthread_create.c:333
#8  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7ff4c77fe700 (LWP 14944)):
#0  pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff58167c13a in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0xc6ef30) at
thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0xef2c68, mutex=mutex@entry=0xef2c60,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007ff58479fdab in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0xef2c58) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0xef2be0) at
scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007ff5847a0243 in QSGRenderThread::run (this=0xef2be0) at
scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007ff58167bb63 in QThreadPrivate::start (arg=0xef2be0) at
thread/qthread_unix.cpp:331
#7  0x00007ff58081e314 in start_thread (arg=0x7ff4c77fe700) at
pthread_create.c:333
#8  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7ff4b299e700 (LWP 15214)):
#0  0x00007ffe831fbaeb in clock_gettime ()
#1  0x00007ff581028fed in __GI___clock_gettime (clock_id=<optimized out>,
tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007ff581717896 in qt_clock_gettime (ts=0x7ff4b299db00, clock=<optimized
out>) at tools/qelapsedtimer_unix.cpp:105
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at
tools/qelapsedtimer_unix.cpp:156
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:165
#5  0x00007ff5818609f9 in QTimerInfoList::updateCurrentTime
(this=this@entry=0x7ff4ac002cd0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007ff581860d85 in QTimerInfoList::timerWait (this=0x7ff4ac002cd0,
tm=...) at kernel/qtimerinfo_unix.cpp:381
#7  0x00007ff5818620ac in timerSourcePrepareHelper (src=<optimized out>,
timeout=0x7ff4b299dba4) at kernel/qeventdispatcher_glib.cpp:127
#8  0x00007ff57cf4455d in g_main_context_prepare
(context=context@entry=0x7ff4ac000990, priority=priority@entry=0x7ff4b299dc28)
at /var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3442
#9  0x00007ff57cf44e30 in g_main_context_iterate
(context=context@entry=0x7ff4ac000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3820
#10 0x00007ff57cf4502c in g_main_context_iteration (context=0x7ff4ac000990,
may_block=1) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3901
#11 0x00007ff58186237b in QEventDispatcherGlib::processEvents
(this=0x7ff4ac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#12 0x00007ff58181775b in QEventLoop::exec (this=this@entry=0x7ff4b299dd50,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007ff58167751a in QThread::exec (this=this@entry=0x2203240) at
thread/qthread.cpp:503
#14 0x00007ff4b3a39767 in KCupsConnection::run (this=0x2203240) at
/var/tmp/portage/kde-apps/print-manager-15.12.2/work/print-manager-15.12.2/libkcups/KCupsConnection.cpp:304
#15 0x00007ff58167bb63 in QThreadPrivate::start (arg=0x2203240) at
thread/qthread_unix.cpp:331
#16 0x00007ff58081e314 in start_thread (arg=0x7ff4b299e700) at
pthread_create.c:333
#17 0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7ff4b219d700 (LWP 15215)):
#0  pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff58167c13a in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x21c82f0) at
thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x1dde558,
mutex=mutex@entry=0x1dde550, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:208
#3  0x00007ff58479fdab in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x1dde548) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x1dde4d0) at
scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007ff5847a0243 in QSGRenderThread::run (this=0x1dde4d0) at
scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007ff58167bb63 in QThreadPrivate::start (arg=0x1dde4d0) at
thread/qthread_unix.cpp:331
#7  0x00007ff58081e314 in start_thread (arg=0x7ff4b219d700) at
pthread_create.c:333
#8  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7ff4b199c700 (LWP 15216)):
#0  pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff58167c13a in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x22f4bf0) at
thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x22cea08,
mutex=mutex@entry=0x22cea00, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:208
#3  0x00007ff58479fdab in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x22ce9f8) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x22ce980) at
scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007ff5847a0243 in QSGRenderThread::run (this=0x22ce980) at
scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007ff58167bb63 in QThreadPrivate::start (arg=0x22ce980) at
thread/qthread_unix.cpp:331
#7  0x00007ff58081e314 in start_thread (arg=0x7ff4b199c700) at
pthread_create.c:333
#8  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7ff497fff700 (LWP 15244)):
#0  pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff58167c13a in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x27f1e40) at
thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x26838a8,
mutex=mutex@entry=0x26838a0, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:208
#3  0x00007ff58479fdab in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x2683898) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x2683820) at
scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007ff5847a0243 in QSGRenderThread::run (this=0x2683820) at
scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007ff58167bb63 in QThreadPrivate::start (arg=0x2683820) at
thread/qthread_unix.cpp:331
#7  0x00007ff58081e314 in start_thread (arg=0x7ff497fff700) at
pthread_create.c:333
#8  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7ff4977fe700 (LWP 15245)):
#0  pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff58167c13a in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x1b40590) at
thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x2df2f08,
mutex=mutex@entry=0x2df2f00, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:208
#3  0x00007ff58479fdab in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x2df2ef8) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x2df2e80) at
scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007ff5847a0243 in QSGRenderThread::run (this=0x2df2e80) at
scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007ff58167bb63 in QThreadPrivate::start (arg=0x2df2e80) at
thread/qthread_unix.cpp:331
#7  0x00007ff58081e314 in start_thread (arg=0x7ff4977fe700) at
pthread_create.c:333
#8  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7ff496ffd700 (LWP 15246)):
#0  pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff58167c13a in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x33ccb20) at
thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x339b2c8,
mutex=mutex@entry=0x339b2c0, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:208
#3  0x00007ff58479fdab in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x339b2b8) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x339b240) at
scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007ff5847a0243 in QSGRenderThread::run (this=0x339b240) at
scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007ff58167bb63 in QThreadPrivate::start (arg=0x339b240) at
thread/qthread_unix.cpp:331
#7  0x00007ff58081e314 in start_thread (arg=0x7ff496ffd700) at
pthread_create.c:333
#8  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7ff4965fc700 (LWP 15398)):
#0  pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff58167c13a in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x365edd0) at
thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x3872f38,
mutex=mutex@entry=0x3872f30, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:208
#3  0x00007ff58479fdab in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x3872f28) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x3872eb0) at
scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007ff5847a0243 in QSGRenderThread::run (this=0x3872eb0) at
scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007ff58167bb63 in QThreadPrivate::start (arg=0x3872eb0) at
thread/qthread_unix.cpp:331
#7  0x00007ff58081e314 in start_thread (arg=0x7ff4965fc700) at
pthread_create.c:333
#8  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7ff4959fb700 (LWP 15456)):
#0  pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff58167c13a in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x22f7ec0) at
thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x2be0318,
mutex=mutex@entry=0x2be0310, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:208
#3  0x00007ff58479fdab in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x2be0308) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x2be0290) at
scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007ff5847a0243 in QSGRenderThread::run (this=0x2be0290) at
scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007ff58167bb63 in QThreadPrivate::start (arg=0x2be0290) at
thread/qthread_unix.cpp:331
#7  0x00007ff58081e314 in start_thread (arg=0x7ff4959fb700) at
pthread_create.c:333
#8  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7ff49cf11700 (LWP 16180)):
#0  pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff58167c13a in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x3851630) at
thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x385a898,
mutex=mutex@entry=0x385a890, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:208
#3  0x00007ff58479fdab in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x385a888) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x385a810) at
scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007ff5847a0243 in QSGRenderThread::run (this=0x385a810) at
scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007ff58167bb63 in QThreadPrivate::start (arg=0x385a810) at
thread/qthread_unix.cpp:331
#7  0x00007ff58081e314 in start_thread (arg=0x7ff49cf11700) at
pthread_create.c:333
#8  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7ff4948af700 (LWP 16813)):
#0  pthread_cond_wait () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff58167c13a in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x2a98f50) at
thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x3152d18,
mutex=mutex@entry=0x3152d10, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:208
#3  0x00007ff58479fdab in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x3152d08) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x3152c90) at
scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007ff5847a0243 in QSGRenderThread::run (this=0x3152c90) at
scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007ff58167bb63 in QThreadPrivate::start (arg=0x3152c90) at
thread/qthread_unix.cpp:331
#7  0x00007ff58081e314 in start_thread (arg=0x7ff4948af700) at
pthread_create.c:333
#8  0x00007ff58101c6dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7ff586714840 (LWP 14889)):
[KCrash Handler]
#6  0x00007ff583d26944 in QQmlContext::isValid (this=0x2e1a100) at
qml/qqmlcontext.cpp:223
#7  0x00007ff583d184d1 in QQmlExpression::QQmlExpression (this=<optimized out>,
script=..., ctxt=0x0, scope=0x0, parent=0x0) at qml/qqmlexpression.cpp:142
#8  0x00007ff58470a16f in QQuickScriptActionPrivate::execute (this=<optimized
out>) at util/qquickanimation.cpp:990
#9  0x00007ff583dd087f in QAbstractAnimationJob::setState (this=0x30c8180,
newState=QAbstractAnimationJob::Running) at
animations/qabstractanimationjob.cpp:360
#10 0x00007ff583dd2027 in
QSequentialAnimationGroupJob::activateCurrentAnimation (this=0x2669590,
intermediate=<optimized out>) at
animations/qsequentialanimationgroupjob.cpp:310
#11 0x00007ff583dd210c in
QSequentialAnimationGroupJob::uncontrolledAnimationFinished (this=0x2669590,
animation=0x30f07d0) at animations/qsequentialanimationgroupjob.cpp:326
#12 0x00007ff583dcfdfd in QAbstractAnimationJob::finished
(this=this@entry=0x30f07d0) at animations/qabstractanimationjob.cpp:594
#13 0x00007ff583dd0a85 in QAbstractAnimationJob::setState (this=0x30f07d0,
newState=newState@entry=QAbstractAnimationJob::Stopped) at
animations/qabstractanimationjob.cpp:393
#14 0x00007ff583dd0b17 in QAbstractAnimationJob::stop
(this=this@entry=0x30f07d0) at animations/qabstractanimationjob.cpp:530
#15 0x00007ff58474dbf9 in QQuickAnimatorProxyJob::setWindow (this=0x30f07c0,
window=0x0) at util/qquickanimatorjob.cpp:158
#16 0x00007ff58183ebe1 in QMetaObject::activate (sender=0x3dfa920,
signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=11,
argv=argv@entry=0x7ffe83152ca0) at kernel/qobject.cpp:3713
#17 0x00007ff58183f237 in QMetaObject::activate (sender=<optimized out>,
m=m@entry=0x7ff5849eb260 <QQuickItem::staticMetaObject>,
local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7ffe83152ca0)
at kernel/qobject.cpp:3578
#18 0x00007ff5847b1ba2 in QQuickItem::windowChanged (this=<optimized out>,
_t1=0x0) at .moc/moc_qquickitem.cpp:1044
#19 0x00007ff5847bdeff in QQuickItemPrivate::derefWindow
(this=this@entry=0x30ee4e0) at items/qquickitem.cpp:2852
#20 0x00007ff5847bf164 in QQuickItem::setParentItem (this=this@entry=0x3dfa920,
parentItem=parentItem@entry=0x0) at items/qquickitem.cpp:2527
#21 0x00007ff5847bf606 in QQuickItem::~QQuickItem (this=0x3dfa920,
__in_chrg=<optimized out>) at items/qquickitem.cpp:2239
#22 0x00007ff5847da516 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement
(this=0x3dfa920, __in_chrg=<optimized out>) at
../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#23 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x3dfa920,
__in_chrg=<optimized out>) at
../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#24 0x00007ff58183fd38 in QObject::event (this=this@entry=0x3dfa920,
e=e@entry=0x4705ae0) at kernel/qobject.cpp:1230
#25 0x00007ff5847bc7eb in QQuickItem::event (this=0x3dfa920, ev=0x4705ae0) at
items/qquickitem.cpp:7317
#26 0x00007ff581ff98fc in QApplicationPrivate::notify_helper
(this=this@entry=0xbe2fa0, receiver=receiver@entry=0x3dfa920,
e=e@entry=0x4705ae0) at kernel/qapplication.cpp:3716
#27 0x00007ff581ffe748 in QApplication::notify (this=0x7ffe83153570,
receiver=0x3dfa920, e=0x4705ae0) at kernel/qapplication.cpp:3499
#28 0x00007ff581818b0d in QCoreApplication::notifyInternal
(this=0x7ffe83153570, receiver=0x3dfa920, event=event@entry=0x4705ae0) at
kernel/qcoreapplication.cpp:965
#29 0x00007ff58181b0e7 in QCoreApplication::sendEvent (event=0x4705ae0,
receiver=<optimized out>) at kernel/qcoreapplication.h:224
#30 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
event_type=event_type@entry=0, data=0xbd9150) at
kernel/qcoreapplication.cpp:1593
#31 0x00007ff58181b698 in QCoreApplication::sendPostedEvents
(receiver=receiver@entry=0x0, event_type=event_type@entry=0) at
kernel/qcoreapplication.cpp:1451
#32 0x00007ff5818626b3 in postEventSourceDispatch (s=0xc87ac0) at
kernel/qeventdispatcher_glib.cpp:271
#33 0x00007ff57cf44d34 in g_main_dispatch (context=0x7ff56c0016f0) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3154
#34 g_main_context_dispatch (context=context@entry=0x7ff56c0016f0) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3769
#35 0x00007ff57cf44f88 in g_main_context_iterate
(context=context@entry=0x7ff56c0016f0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3840
#36 0x00007ff57cf4502c in g_main_context_iteration (context=0x7ff56c0016f0,
may_block=1) at
/var/tmp/portage/dev-libs/glib-2.46.2-r2/work/glib-2.46.2/glib/gmain.c:3901
#37 0x00007ff58186235c in QEventDispatcherGlib::processEvents (this=0xc879c0,
flags=...) at kernel/qeventdispatcher_glib.cpp:418
#38 0x00007ff58181775b in QEventLoop::exec (this=this@entry=0x7ffe83153410,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#39 0x00007ff58181e586 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1229
#40 0x00007ff581b30eac in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1527
#41 0x00007ff581ff6075 in QApplication::exec () at kernel/qapplication.cpp:2976
#42 0x000000000041b69b in main (argc=2, argv=<optimized out>) at
/var/tmp/portage/kde-plasma/plasma-workspace-5.6.0/work/plasma-workspace-5.6.0/shell/main.cpp:139

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