This is not a native Kubuntu install, but Ubuntu with Kde 4 installed afterwards, then upgraded to Plasma5 via Ubuntu's update manager.

Here is another bugtrack of a crash that occured some minutes later:

Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb4d9c90780 (LWP 17104))]

Thread 6 (Thread 0x7fb4be4fb700 (LWP 17134)):
#0  0x00007fb4d64068dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fb4d311bebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb4d311c242 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb4c2ba6ae6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fb4d3142955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb4d363a6aa in start_thread (arg=0x7fb4be4fb700) at pthread_create.c:333
#6  0x00007fb4d6411eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fb4bdcfa700 (LWP 17135)):
#0  0x00007fb4d64068dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fb4d311bebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb4d311bfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb4d311c009 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb4d3142955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb4d363a6aa in start_thread (arg=0x7fb4bdcfa700) at pthread_create.c:333
#6  0x00007fb4d6411eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fb4a7fff700 (LWP 17138)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb4af0044fb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fb4af003c87 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007fb4d363a6aa in start_thread (arg=0x7fb4a7fff700) at pthread_create.c:333
#4  0x00007fb4d6411eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fb4857fa700 (LWP 20871)):
#0  0x00007fb4d31607a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb4d311b8b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb4d311be60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb4d311bfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb4d6d1ec6c in QEventDispatcherGlib::processEvents (this=0x7fb468002ba0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fb4d6cc33e2 in QEventLoop::exec (this=this@entry=0x7fb4857f9e20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fb4d6a82b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fb4d5a4df65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fb4d6a87b0e in QThreadPrivate::start (arg=0x2dc9c70) at thread/qthread_unix.cpp:337
#9  0x00007fb4d363a6aa in start_thread (arg=0x7fb4857fa700) at pthread_create.c:333
#10 0x00007fb4d6411eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fb4877fe700 (LWP 20872)):
#0  0x00007fb4d6d1e0bc in size (this=0x7fb4800011f0) at ../../include/QtCore/../../src/corelib/tools/qlist.h:92
#1  count (this=0x7fb4800011f0) at ../../include/QtCore/../../src/corelib/tools/qlist.h:290
#2  socketNotifierSourceCheck (source=0x7fb480001190) at kernel/qeventdispatcher_glib.cpp:74
#3  0x00007fb4d311b8c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb4d311be60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb4d311bfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fb4d6d1ec6c in QEventDispatcherGlib::processEvents (this=0x7fb480018150, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007fb4d6cc33e2 in QEventLoop::exec (this=this@entry=0x7fb4877fde20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007fb4d6a82b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007fb4d5a4df65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fb4d6a87b0e in QThreadPrivate::start (arg=0x3ad4100) at thread/qthread_unix.cpp:337
#11 0x00007fb4d363a6aa in start_thread (arg=0x7fb4877fe700) at pthread_create.c:333
#12 0x00007fb4d6411eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fb4d9c90780 (LWP 17104)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007fb4d54d2628 in QSGOpaqueTextureMaterial::setTexture(QSGTexture*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fb4d54d1d3c in QSGSimpleTextureNode::setTexture(QSGTexture*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007fb49c46cc9a in Plasma::FrameSvgItem::updatePaintNode (this=0x4510a70, oldNode=0x3eaa340) at ../../../../src/declarativeimports/core/framesvgitem.cpp:495
#10 0x00007fb4d55254bf in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007fb4d55264cb in QQuickWindowPrivate::updateDirtyNodes() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007fb4d5526d80 in QQuickWindowPrivate::syncSceneGraph() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007fb4d54f5f05 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007fb4d54f6979 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007fb4d7ab1b2c in QApplicationPrivate::notify_helper (this=0x17c5b10, receiver=0x1bc34d0, e=0x7ffee883f740) at kernel/qapplication.cpp:3720
#16 0x00007fb4d7ab7000 in QApplication::notify (this=0x7ffee883fab0, receiver=0x1bc34d0, e=0x7ffee883f740) at kernel/qapplication.cpp:3503
#17 0x00007fb4d6cc5c2b in QCoreApplication::notifyInternal (this=0x7ffee883fab0, receiver=0x1bc34d0, event=event@entry=0x7ffee883f740) at kernel/qcoreapplication.cpp:935
#18 0x00007fb4d6d1dae5 in sendEvent (event=0x7ffee883f740, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#19 QTimerInfoList::activateTimers (this=0x17c1dd0) at kernel/qtimerinfo_unix.cpp:635
#20 0x00007fb4d6d1df61 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#21 0x00007fb4d311bc3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fb4d311bf20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fb4d311bfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fb4d6d1ec57 in QEventDispatcherGlib::processEvents (this=0x17c1ca0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#25 0x00007fb4d6cc33e2 in QEventLoop::exec (this=this@entry=0x7ffee883f990, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#26 0x00007fb4d6ccb02c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#27 0x00007fb4d74ec31c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#28 0x00007fb4d7aad7a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#29 0x000000000040eebc in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:54

and another:

Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0122e487c0 (LWP 15862))]

Thread 45 (Thread 0x7f010ea5e700 (LWP 15864)):
#0  0x00007f011dc058dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f0120172b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f012017464f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f0110da5099 in QXcbEventReader::run (this=0x18f07c0) at qxcbconnection.cpp:1105
#4  0x00007f011e286b0e in QThreadPrivate::start (arg=0x18f07c0) at thread/qthread_unix.cpp:337
#5  0x00007f011d48c6aa in start_thread (arg=0x7f010ea5e700) at pthread_create.c:333
#6  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 44 (Thread 0x7f01042f6700 (LWP 15867)):
#0  0x00007f011dc0149d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f011a3552f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a31196c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011a312242 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f010c70fae6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007f011a338955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f011d48c6aa in start_thread (arg=0x7f01042f6700) at pthread_create.c:333
#8  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 43 (Thread 0x7f0103af5700 (LWP 15868)):
#0  0x00007f011a3114f5 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a311de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a312009 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011a338955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f011d48c6aa in start_thread (arg=0x7f0103af5700) at pthread_create.c:333
#6  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 42 (Thread 0x7f0101f51700 (LWP 15903)):
#0  0x00007f011a3567a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a3118b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f0101f50de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f011e286b0e in QThreadPrivate::start (arg=0x1b46fb0) at thread/qthread_unix.cpp:337
#9  0x00007f011d48c6aa in start_thread (arg=0x7f0101f51700) at pthread_create.c:333
#10 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 41 (Thread 0x7f01032f4700 (LWP 15905)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f00f29d84fb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f00f29d7c87 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f011d48c6aa in start_thread (arg=0x7f01032f4700) at pthread_create.c:333
#4  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 40 (Thread 0x7f00e3923700 (LWP 15906)):
#0  0x00007f011dc0149d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f011a3552f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a31196c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00e40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00e3922de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f011e286b0e in QThreadPrivate::start (arg=0x1e02300) at thread/qthread_unix.cpp:337
#10 0x00007f011d48c6aa in start_thread (arg=0x7f00e3923700) at pthread_create.c:333
#11 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 39 (Thread 0x7f00e12b0700 (LWP 15936)):
#0  0x00007f011a30eeb0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a31139b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00d40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00e12afde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f011e286b0e in QThreadPrivate::start (arg=0x1f00440) at thread/qthread_unix.cpp:337
#9  0x00007f011d48c6aa in start_thread (arg=0x7f00e12b0700) at pthread_create.c:333
#10 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 38 (Thread 0x7f00dbfff700 (LWP 15937)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:65
#1  0x00007f011dc058d2 in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f011a311ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00d00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00dbffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f011e286b0e in QThreadPrivate::start (arg=0x2017d40) at thread/qthread_unix.cpp:337
#9  0x00007f011d48c6aa in start_thread (arg=0x7f00dbfff700) at pthread_create.c:333
#10 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 37 (Thread 0x7f00daffe700 (LWP 15938)):
#0  0x00007f011a356789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a311409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00c80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00daffdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f011e286b0e in QThreadPrivate::start (arg=0x211b330) at thread/qthread_unix.cpp:337
#9  0x00007f011d48c6aa in start_thread (arg=0x7f00daffe700) at pthread_create.c:333
#10 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 36 (Thread 0x7f00d9ffd700 (LWP 15939)):
#0  0x00007f011a356789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a311ea2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00cc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00d9ffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f011e286b0e in QThreadPrivate::start (arg=0x21f6c70) at thread/qthread_unix.cpp:337
#8  0x00007f011d48c6aa in start_thread (arg=0x7f00d9ffd700) at pthread_create.c:333
#9  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 35 (Thread 0x7f00d8f5c700 (LWP 15940)):
#0  0x00007ffc521a2c58 in clock_gettime ()
#1  0x00007f011dc1f38d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f011e33ccb6 in qt_clock_gettime (ts=0x7f00d8f5bb40, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:170
#5  0x00007f011e51b639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f00c0002cd0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f011e51bba5 in QTimerInfoList::timerWait (this=0x7f00c0002cd0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007f011e51d03e in timerSourcePrepareHelper (timeout=0x7f00d8f5bc14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7f00d8f5bc14) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f011a3113fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f011a311de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00c00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00d8f5bde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f011e286b0e in QThreadPrivate::start (arg=0x2304710) at thread/qthread_unix.cpp:337
#17 0x00007f011d48c6aa in start_thread (arg=0x7f00d8f5c700) at pthread_create.c:333
#18 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 34 (Thread 0x7f00c77ff700 (LWP 15941)):
#0  0x00007f011a356789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a311409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00bc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00c77fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f011e286b0e in QThreadPrivate::start (arg=0x23f5f50) at thread/qthread_unix.cpp:337
#9  0x00007f011d48c6aa in start_thread (arg=0x7f00c77ff700) at pthread_create.c:333
#10 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 33 (Thread 0x7f00c67fe700 (LWP 15942)):
#0  0x00007f011a311eb1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00b40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#3  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00c67fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#5  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f011e286b0e in QThreadPrivate::start (arg=0x24e94a0) at thread/qthread_unix.cpp:337
#7  0x00007f011d48c6aa in start_thread (arg=0x7f00c67fe700) at pthread_create.c:333
#8  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 32 (Thread 0x7f00c57fd700 (LWP 15943)):
#0  0x00007f011a310e5e in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a311d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00b80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00c57fcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f011e286b0e in QThreadPrivate::start (arg=0x25bcf20) at thread/qthread_unix.cpp:337
#8  0x00007f011d48c6aa in start_thread (arg=0x7f00c57fd700) at pthread_create.c:333
#9  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 31 (Thread 0x7f00b3fff700 (LWP 15944)):
#0  0x00007f011a356780 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a311fb8 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x26a5070, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#3  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00b3ffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#5  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f011e286b0e in QThreadPrivate::start (arg=0x26975f0) at thread/qthread_unix.cpp:337
#7  0x00007f011d48c6aa in start_thread (arg=0x7f00b3fff700) at pthread_create.c:333
#8  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7f00b2ffe700 (LWP 15945)):
#0  0x00007f011dc058dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f011a311ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00b8003120, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00b2ffdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f011e286b0e in QThreadPrivate::start (arg=0x25da480) at thread/qthread_unix.cpp:337
#8  0x00007f011d48c6aa in start_thread (arg=0x7f00b2ffe700) at pthread_create.c:333
#9  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7f00b1ffd700 (LWP 15946)):
#0  qt_gettime () at tools/qelapsedtimer_unix.cpp:177
#1  0x00007f011e51b639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f00b40051a0) at kernel/qtimerinfo_unix.cpp:84
#2  0x00007f011e51bba5 in QTimerInfoList::timerWait (this=0x7f00b40051a0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#3  0x00007f011e51d03e in timerSourcePrepareHelper (timeout=0x7f00b1ffcc14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#4  timerSourcePrepare (source=<optimized out>, timeout=0x7f00b1ffcc14) at kernel/qeventdispatcher_glib.cpp:160
#5  0x00007f011a3113fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f011a311de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00b4002de0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#9  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00b1ffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#10 0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#11 0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f011e286b0e in QThreadPrivate::start (arg=0x289a840) at thread/qthread_unix.cpp:337
#13 0x00007f011d48c6aa in start_thread (arg=0x7f00b1ffd700) at pthread_create.c:333
#14 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7f00b0ffc700 (LWP 15947)):
#0  0x00007f011a356789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a311641 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311e37 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00bc003320, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00b0ffbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f011e286b0e in QThreadPrivate::start (arg=0x29a7d30) at thread/qthread_unix.cpp:337
#9  0x00007f011d48c6aa in start_thread (arg=0x7f00b0ffc700) at pthread_create.c:333
#10 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7f00aff0b700 (LWP 15948)):
#0  0x00007f011a311852 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a311e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00c0002f20, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00aff0ade0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f011e286b0e in QThreadPrivate::start (arg=0x2a7bf70) at thread/qthread_unix.cpp:337
#8  0x00007f011d48c6aa in start_thread (arg=0x7f00aff0b700) at pthread_create.c:333
#9  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7f00aee0a700 (LWP 15949)):
#0  0x00007f011a338e09 in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a310ddc in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00cc002f20, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00aee09de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f011e286b0e in QThreadPrivate::start (arg=0x2b73e90) at thread/qthread_unix.cpp:337
#9  0x00007f011d48c6aa in start_thread (arg=0x7f00aee0a700) at pthread_create.c:333
#10 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7f00add09700 (LWP 15950)):
#0  0x00007f011e51d479 in timerSourceCheck (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#1  0x00007f011a3118c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00c8003320, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00add08de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f011e286b0e in QThreadPrivate::start (arg=0x2c7e750) at thread/qthread_unix.cpp:337
#9  0x00007f011d48c6aa in start_thread (arg=0x7f00add09700) at pthread_create.c:333
#10 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7f00acc08700 (LWP 15951)):
#0  0x00007f011dc058dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f011a311ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00d0002920, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00acc07de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f011e286b0e in QThreadPrivate::start (arg=0x2d7f7d0) at thread/qthread_unix.cpp:337
#8  0x00007f011d48c6aa in start_thread (arg=0x7f00acc08700) at pthread_create.c:333
#9  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7f00abb07700 (LWP 15952)):
#0  0x00007f011a311dbd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00d4002720, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#3  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00abb06de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#5  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f011e286b0e in QThreadPrivate::start (arg=0x2e7e980) at thread/qthread_unix.cpp:337
#7  0x00007f011d48c6aa in start_thread (arg=0x7f00abb07700) at pthread_create.c:333
#8  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7f00aaa04700 (LWP 15953)):
#0  0x00007f011dc058dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f011a311ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00dc0013a0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f00aaa03de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f011e286b0e in QThreadPrivate::start (arg=0x2f456e0) at thread/qthread_unix.cpp:337
#8  0x00007f011d48c6aa in start_thread (arg=0x7f00aaa04700) at pthread_create.c:333
#9  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7f00a98f1700 (LWP 15954)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0121f90644 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f0121f90689 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f011d48c6aa in start_thread (arg=0x7f00a98f1700) at pthread_create.c:333
#4  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7f0028fd0700 (LWP 15955)):
#0  0x00007f011dc058dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f011a311ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00e40013e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f0028fcfde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f011e286b0e in QThreadPrivate::start (arg=0x18cadc0) at thread/qthread_unix.cpp:337
#8  0x00007f011d48c6aa in start_thread (arg=0x7f0028fd0700) at pthread_create.c:333
#9  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7f0023b40700 (LWP 16063)):
#0  0x00007f011a3552c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a31196c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00ec0782e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f0023b3fde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f011e286b0e in QThreadPrivate::start (arg=0x3e2baa0) at thread/qthread_unix.cpp:337
#9  0x00007f011d48c6aa in start_thread (arg=0x7f0023b40700) at pthread_create.c:333
#10 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f0022159700 (LWP 16064)):
#0  0x00007f011dc058dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f011a311ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00f80008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f0022158d90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f0122af9b56 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f011e286b0e in QThreadPrivate::start (arg=0x3fc1410) at thread/qthread_unix.cpp:337
#8  0x00007f011d48c6aa in start_thread (arg=0x7f0022159700) at pthread_create.c:333
#9  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f0020662700 (LWP 16119)):
#0  0x00007f011dc1f3aa in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:134
#1  0x00007f011e33ccb6 in qt_clock_gettime (ts=0x7f0020661b40, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#2  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:170
#4  0x00007f011e51b639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f00f4003940) at kernel/qtimerinfo_unix.cpp:84
#5  0x00007f011e51bba5 in QTimerInfoList::timerWait (this=0x7f00f4003940, tm=...) at kernel/qtimerinfo_unix.cpp:379
#6  0x00007f011e51d03e in timerSourcePrepareHelper (timeout=0x7f0020661c14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#7  timerSourcePrepare (source=<optimized out>, timeout=0x7f0020661c14) at kernel/qeventdispatcher_glib.cpp:160
#8  0x00007f011a3113fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f011a311de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00f40013e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#12 0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f0020661de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#14 0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f011e286b0e in QThreadPrivate::start (arg=0x43c2440) at thread/qthread_unix.cpp:337
#16 0x00007f011d48c6aa in start_thread (arg=0x7f0020662700) at pthread_create.c:333
#17 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f001e2de700 (LWP 16198)):
#0  0x00007f011dc058dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f011a311ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00fc005b80, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f001e2ddde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f011e286b0e in QThreadPrivate::start (arg=0x33d0fc0) at thread/qthread_unix.cpp:337
#8  0x00007f011d48c6aa in start_thread (arg=0x7f001e2de700) at pthread_create.c:333
#9  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f001d1db700 (LWP 16199)):
#0  0x00007f011a3118c4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a311e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f0108004500, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f001d1dade0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f011e286b0e in QThreadPrivate::start (arg=0x3368e70) at thread/qthread_unix.cpp:337
#8  0x00007f011d48c6aa in start_thread (arg=0x7f001d1db700) at pthread_create.c:333
#9  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f001c0d8700 (LWP 16200)):
#0  __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:98
#1  0x00007f011dc014a9 in read () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f011a3552f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a31196c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011a311e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x49714b0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f001c0d7de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f011e286b0e in QThreadPrivate::start (arg=0x4991280) at thread/qthread_unix.cpp:337
#11 0x00007f011d48c6aa in start_thread (arg=0x7f001c0d8700) at pthread_create.c:333
#12 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f001afd5700 (LWP 16201)):
#0  0x00007ffc521a2c58 in clock_gettime ()
#1  0x00007f011dc1f38d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f011e33ccb6 in qt_clock_gettime (ts=0x7f001afd4b40, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:170
#5  0x00007f011e51b639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f00b80ed100) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f011e51bba5 in QTimerInfoList::timerWait (this=0x7f00b80ed100, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007f011e51d03e in timerSourcePrepareHelper (timeout=0x7f001afd4c14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7f001afd4c14) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f011a3113fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f011a311de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00b800acc0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f001afd4de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f011e286b0e in QThreadPrivate::start (arg=0x4a95b30) at thread/qthread_unix.cpp:337
#17 0x00007f011d48c6aa in start_thread (arg=0x7f001afd5700) at pthread_create.c:333
#18 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f0019ed2700 (LWP 16202)):
#0  0x00007f011a311660 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a311e37 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00b400a840, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f0019ed1de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f011e286b0e in QThreadPrivate::start (arg=0x4b5fe20) at thread/qthread_unix.cpp:337
#8  0x00007f011d48c6aa in start_thread (arg=0x7f0019ed2700) at pthread_create.c:333
#9  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f0018dcf700 (LWP 16203)):
#0  0x00007f011a3118cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a311e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00bc00b0e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f0018dcede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f011e286b0e in QThreadPrivate::start (arg=0x4c82690) at thread/qthread_unix.cpp:337
#8  0x00007f011d48c6aa in start_thread (arg=0x7f0018dcf700) at pthread_create.c:333
#9  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f0017ccc700 (LWP 16204)):
#0  postEventSourcePrepare (timeout=<synthetic pointer>, s=0x7f00c006a790) at kernel/qeventdispatcher_glib.cpp:255
#1  postEventSourceCheck (source=0x7f00c006a790) at kernel/qeventdispatcher_glib.cpp:264
#2  0x00007f011a3118c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00c0363e10, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f0017ccbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f011e286b0e in QThreadPrivate::start (arg=0x4d4d9e0) at thread/qthread_unix.cpp:337
#10 0x00007f011d48c6aa in start_thread (arg=0x7f0017ccc700) at pthread_create.c:333
#11 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f0011d3a700 (LWP 16258)):
#0  __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:90
#1  0x00007f011dc014a9 in read () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f011a3552f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a31196c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011a311e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00cc1b7e60, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f0011d39dc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007f0012d72cf7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#10 0x00007f011e286b0e in QThreadPrivate::start (arg=0x579b910) at thread/qthread_unix.cpp:337
#11 0x00007f011d48c6aa in start_thread (arg=0x7f0011d3a700) at pthread_create.c:333
#12 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f001672f700 (LWP 16285)):
#0  0x00007f011a356789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a311409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00c8354a10, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f001672ede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f011e286b0e in QThreadPrivate::start (arg=0x5b17790) at thread/qthread_unix.cpp:337
#9  0x00007f011d48c6aa in start_thread (arg=0x7f001672f700) at pthread_create.c:333
#10 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f001061b700 (LWP 16286)):
#0  0x00007f011a2e2160 in pthread_getspecific@plt () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a338e00 in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a310ddc in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00d0043390, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f001061ade0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f011e286b0e in QThreadPrivate::start (arg=0x5c0c450) at thread/qthread_unix.cpp:337
#10 0x00007f011d48c6aa in start_thread (arg=0x7f001061b700) at pthread_create.c:333
#11 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f0102af3700 (LWP 16395)):
#0  0x00007f011a3567a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f011a3118b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f011a311e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f011e51dc6c in QEventDispatcherGlib::processEvents (this=0x7f00f4069a20, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7f0102af2de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f011e281b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f012000ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f011e286b0e in QThreadPrivate::start (arg=0x64d0fa0) at thread/qthread_unix.cpp:337
#9  0x00007f011d48c6aa in start_thread (arg=0x7f0102af3700) at pthread_create.c:333
#10 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f0007adb700 (LWP 17022)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f011e287c6b in wait (time=18446744073709551615, this=0x674fef0) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x648cdc0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f002655e36f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f0026562408 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f002655d48f in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f0026562462 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f002655d48f in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f0026560333 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f011e286b0e in QThreadPrivate::start (arg=0x57ea570) at thread/qthread_unix.cpp:337
#10 0x00007f011d48c6aa in start_thread (arg=0x7f0007adb700) at pthread_create.c:333
#11 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f00072da700 (LWP 17023)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f011e287c6b in wait (time=18446744073709551615, this=0x674fef0) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x648cdc0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f002655e36f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f0026562408 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f002655d48f in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f0026562462 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f002655d48f in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f0026560333 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f011e286b0e in QThreadPrivate::start (arg=0x6178890) at thread/qthread_unix.cpp:337
#10 0x00007f011d48c6aa in start_thread (arg=0x7f00072da700) at pthread_create.c:333
#11 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f0006ad9700 (LWP 17024)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f011e287c6b in wait (time=18446744073709551615, this=0x674fef0) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x648cdc0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f002655e36f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f0026562408 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f002655d48f in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f0026560333 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f011e286b0e in QThreadPrivate::start (arg=0x6eee780) at thread/qthread_unix.cpp:337
#8  0x00007f011d48c6aa in start_thread (arg=0x7f0006ad9700) at pthread_create.c:333
#9  0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f00062d8700 (LWP 17025)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f011e287c6b in wait (time=18446744073709551615, this=0x674fef0) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x648cdc0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f002655e36f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f0026562408 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f002655d48f in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f0026562462 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f002655d48f in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f0026560333 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f011e286b0e in QThreadPrivate::start (arg=0x7f00dc2d8340) at thread/qthread_unix.cpp:337
#10 0x00007f011d48c6aa in start_thread (arg=0x7f00062d8700) at pthread_create.c:333
#11 0x00007f011dc10eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f0122e487c0 (LWP 15862)):
[KCrash Handler]
#6  0x00007f011fde8cd9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f0120056148 in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f012005bc61 in QQmlDelegateModel::_q_layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f012007dcff in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f012007e40f in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f011e4f5ae2 in QMetaObject::activate (sender=sender@entry=0x37ade30, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffc5216acf0) at kernel/qobject.cpp:3731
#12 0x00007f011e4f6057 in QMetaObject::activate (sender=sender@entry=0x37ade30, m=m@entry=0x7f011e71ea40 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffc5216acf0) at kernel/qobject.cpp:3582
#13 0x00007f011e573226 in QAbstractItemModel::layoutChanged (this=this@entry=0x37ade30, _t1=..., _t2=_t2@entry=QAbstractItemModel::VerticalSortHint) at .moc/moc_qabstractitemmodel.cpp:407
#14 0x00007f011e4957e5 in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=<optimized out>, source_top_left=..., source_bottom_right=...) at itemmodels/qsortfilterproxymodel.cpp:1205
#15 0x00007f011e4f59c9 in QMetaObject::activate (sender=0x37bf350, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc5216afd0) at kernel/qobject.cpp:3716
#16 0x00007f011e4f6057 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f011e71ea40 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc5216afd0) at kernel/qobject.cpp:3582
#17 0x00007f011e57313c in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:393
#18 0x00007f0025a09653 in TaskManager::TasksModelPrivate::itemChanged (this=0x37bf730, changes=...) at ../../libtaskmanager/tasksmodel.cpp:515
#19 0x00007f0025a0a067 in TaskManager::TasksModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7ffc5216b1c0) at ./moc_tasksmodel.cpp:213
#20 0x00007f011e4f59c9 in QMetaObject::activate (sender=0x42a6890, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc5216b1c0) at kernel/qobject.cpp:3716
#21 0x00007f011e4f6057 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f0025c2e9e0 <TaskManager::AbstractGroupableItem::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc5216b1c0) at kernel/qobject.cpp:3582
#22 0x00007f0025a12028 in TaskManager::AbstractGroupableItem::changed (this=<optimized out>, _t1=...) at moc_abstractgroupableitem.cpp:222
#23 0x00007f0025a1345b in TaskManager::AbstractGroupableItem::qt_static_metacall (_o=0x7c979a0, _c=27, _id=114491776, _a=0x1b) at moc_abstractgroupableitem.cpp:134
#24 0x00007f011e4f59c9 in QMetaObject::activate (sender=sender@entry=0x3215ee0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc5216b350) at kernel/qobject.cpp:3716
#25 0x00007f011e4f6057 in QMetaObject::activate (sender=sender@entry=0x3215ee0, m=m@entry=0x7f0025c2e6e0 <TaskManager::Task::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc5216b350) at kernel/qobject.cpp:3582
#26 0x00007f0025a12218 in TaskManager::Task::changed (this=this@entry=0x3215ee0, _t1=...) at moc_task.cpp:354
#27 0x00007f00259f44a2 in TaskManager::Task::refresh (this=this@entry=0x3215ee0, dirty=...) at ../../libtaskmanager/task.cpp:161
#28 0x00007f0025a074ca in TaskManager::TaskManager::windowChanged (this=<optimized out>, w=123732041, dirty=0x7ffc5216b6a0) at ../../libtaskmanager/taskmanager.cpp:372
#29 0x00007f0025a079c8 in TaskManager::TaskManager::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_taskmanager.cpp:174
#30 0x00007f011e4f59c9 in QMetaObject::activate (sender=0x7f01229f89f0 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffc5216b630) at kernel/qobject.cpp:3716
#31 0x00007f011e4f6057 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f01229f7b40 <KWindowSystem::staticMetaObject>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffc5216b630) at kernel/qobject.cpp:3582
#32 0x00007f01227e74bb in KWindowSystem::windowChanged (this=<optimized out>, _t1=123732041, _t2=0x7ffc5216b6a0) at moc_kwindowsystem.cpp:347
#33 0x00007f01227cfd1b in NETEventFilter::nativeEventFilter (this=0x31fac60, ev=0x7f010829b910) at ../../src/kwindowsystem_x11.cpp:261
#34 0x00007f011e4c1510 in QAbstractEventDispatcher::filterNativeEvent (this=this@entry=0x18c7c00, eventType=..., message=message@entry=0x7f010829b910, result=result@entry=0x7ffc5216b798) at kernel/qabstracteventdispatcher.cpp:460
#35 0x00007f0110da402d in QXcbConnection::handleXcbEvent (this=this@entry=0x18e0b90, event=event@entry=0x7f010829b910) at qxcbconnection.cpp:863
#36 0x00007f0110da54bb in QXcbConnection::processXcbEvents (this=0x18e0b90) at qxcbconnection.cpp:1303
#37 0x00007f011e4f673a in QObject::event (this=0x18e0b90, e=<optimized out>) at kernel/qobject.cpp:1245
#38 0x00007f011edceb2c in QApplicationPrivate::notify_helper (this=0x18d5510, receiver=0x18e0b90, e=0x7f0108268220) at kernel/qapplication.cpp:3720
#39 0x00007f011edd4000 in QApplication::notify (this=0x7ffc5216c010, receiver=0x18e0b90, e=0x7f0108268220) at kernel/qapplication.cpp:3503
#40 0x00007f011e4c4c2b in QCoreApplication::notifyInternal (this=0x7ffc5216c010, receiver=0x18e0b90, event=event@entry=0x7f0108268220) at kernel/qcoreapplication.cpp:935
#41 0x00007f011e4c6c9b in sendEvent (event=0x7f0108268220, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x18caf00) at kernel/qcoreapplication.cpp:1552
#43 0x00007f011e4c7298 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#44 0x00007f011e51d843 in postEventSourceDispatch (s=0x19664a0) at kernel/qeventdispatcher_glib.cpp:271
#45 0x00007f011a311c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f011a311f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f011a311fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f011e51dc57 in QEventDispatcherGlib::processEvents (this=0x18c7c00, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#49 0x00007f011e4c23e2 in QEventLoop::exec (this=this@entry=0x7ffc5216be90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#50 0x00007f011e4ca02c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#51 0x00007f011e80931c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#52 0x00007f011edca7a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#53 0x000000000042fd9b in main (argc=4, argv=<optimized out>) at ../../shell/main.cpp:158

thanks

*** This bug has been marked as a duplicate of bug 342763 ***

Hy,
I dont think this is duplicate, I dont switch desktops, nor do I use 
activities
sincerely

On 2015-05-03 20:18, David Edmundson - kde@davidedmundson.co.uk wrote:
> https://bugs.kde.org/show_bug.cgi?id=347116
>
> David Edmundson <kde@davidedmundson.co.uk> changed:
>
>             What    |Removed                     |Added
> ----------------------------------------------------------------------------
>           Resolution|---                         |DUPLICATE
>               Status|UNCONFIRMED                 |RESOLVED
>
> --- Comment #4 from David Edmundson <kde@davidedmundson.co.uk> ---
> thanks
>
> *** This bug has been marked as a duplicate of bug 342763 ***
>

Backtrace shows the task manager changing, resutling in QtQuick doing something odd and crashing.

The task manager might be changing due to a different reason in your case, but these traces still line up as being the same bug.

Hy
Thanks a lot for the explanation!


On 2015-05-03 23:48, David Edmundson - kde@davidedmundson.co.uk wrote:
> https://bugs.kde.org/show_bug.cgi?id=347116
>
> --- Comment #6 from David Edmundson <kde@davidedmundson.co.uk> ---
> Backtrace shows the task manager changing, resutling in QtQuick doing something
> odd and crashing.
>
> The task manager might be changing due to a different reason in your case, but
> these traces still line up as being the same bug.
>