Application: plasmashell (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-18-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
I was connecting my laptop to its docking station (two monitors connected), and as the display was resizing/adjusting from the laptop screen to the monitors, I got the crash message.

Machine info:

Using kubuntu, fglrx driver

$ cat /etc/issue
Ubuntu 15.04 \n \l

$ apt list|grep kde-baseapps
kde-baseapps/vivid 4:14.12.3-0ubuntu3 all
kde-baseapps-bin/vivid,now 4:14.12.3-0ubuntu3 amd64 [installed]
kde-baseapps-data/vivid,now 4:14.12.3-0ubuntu3 all [installed,automatic]
kde-baseapps-dbg/vivid 4:14.12.3-0ubuntu3 amd64

$ apt list|grep fglrx
fglrx/vivid,now 2:15.200-0ubuntu4 amd64 [installed]
fglrx-amdcccle/vivid,now 2:15.200-0ubuntu4 amd64 [installed,automatic]
fglrx-amdcccle-updates/vivid 2:15.200-0ubuntu4 amd64
fglrx-core/vivid,now 2:15.200-0ubuntu4 amd64 [installed]
fglrx-dev/vivid 2:15.200-0ubuntu4 amd64
fglrx-pxpress/vivid 1:0.4.5 amd64
fglrx-updates/vivid 2:15.200-0ubuntu4 amd64
fglrx-updates-core/vivid 2:15.200-0ubuntu4 amd64
fglrx-updates-dev/vivid 2:15.200-0ubuntu4 amd64

$ uname -a
Linux XXXXX 3.19.0-18-generic #18-Ubuntu SMP Tue May 19 18:31:35 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

-- Backtrace:
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 0x7fd64c39e7c0 (LWP 1538))]

Thread 43 (Thread 0x7fd639207700 (LWP 1540)):
#0  0x00007fd64714b8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd6496b8b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fd6496ba64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fd63bd96099 in QXcbEventReader::run (this=0x152c660) at qxcbconnection.cpp:1105
#4  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x152c660) at thread/qthread_unix.cpp:337
#5  0x00007fd6469d26aa in start_thread (arg=0x7fd639207700) at pthread_create.c:333
#6  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 42 (Thread 0x7fd632655700 (LWP 1553)):
#0  0x00007fd6438575b0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643857de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd6240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd632654de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x15f19f0) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd632655700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 41 (Thread 0x7fd621c6f700 (LWP 1593)):
#0  0x00007fd64714d0b7 in ioctl () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd6294d0919 in uki_firegl_MicroSleep () from /usr/lib/libatiuki.so.1
#2  0x00007fd62b405920 in ?? () from /usr/lib/dri/fglrx_dri.so
#3  0x00007fd62ab96d72 in ?? () from /usr/lib/dri/fglrx_dri.so
#4  0x00007fd62ab96dc5 in ?? () from /usr/lib/dri/fglrx_dri.so
#5  0x00007fd6469d26aa in start_thread (arg=0x7fd621c6f700) at pthread_create.c:333
#6  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 40 (Thread 0x7fd61bfff700 (LWP 1601)):
#0  0x00007fd6438574e8 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643857de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd6140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd61bffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x1adff20) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd61bfff700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 39 (Thread 0x7fd61a57c700 (LWP 1609)):
#0  0x00007fd647a630ad in socketNotifierSourceCheck (source=0x7fd60c002e00) at kernel/qeventdispatcher_glib.cpp:70
#1  0x00007fd6438578c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd60c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd61a57bde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x1acfdd0) at thread/qthread_unix.cpp:337
#9  0x00007fd6469d26aa in start_thread (arg=0x7fd61a57c700) at pthread_create.c:333
#10 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 38 (Thread 0x7fd6194ab700 (LWP 1611)):
#0  0x00007fd64389c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643857409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd6100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd6194aade0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x1f56740) at thread/qthread_unix.cpp:337
#9  0x00007fd6469d26aa in start_thread (arg=0x7fd6194ab700) at pthread_create.c:333
#10 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 37 (Thread 0x7fd60bfff700 (LWP 1612)):
#0  0x00007fd643857814 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643857e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd6040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd60bffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x1fbd030) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd60bfff700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 36 (Thread 0x7fd60affe700 (LWP 1614)):
#0  0x00007fd64389c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643857a16 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5fc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd60affdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x1fb84f0) at thread/qthread_unix.cpp:337
#9  0x00007fd6469d26aa in start_thread (arg=0x7fd60affe700) at pthread_create.c:333
#10 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 35 (Thread 0x7fd609ffd700 (LWP 1615)):
#0  0x00007fd64714b8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd643857ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd6000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd609ffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x1c7b150) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd609ffd700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 34 (Thread 0x7fd608ffc700 (LWP 1617)):
#0  0x00007fd64389c7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd6438578b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd608ffbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x1d54c40) at thread/qthread_unix.cpp:337
#9  0x00007fd6469d26aa in start_thread (arg=0x7fd608ffc700) at pthread_create.c:333
#10 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 33 (Thread 0x7fd5fb7ff700 (LWP 1618)):
#0  0x00007fd6477c4e0f in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x215ed98: 0x0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetRelease<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x215ed98: 0x0) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:175
#2  testAndSetRelease (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, this=this@entry=0x215ed98) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:272
#3  fastTryUnlock (current=<synthetic pointer>, this=this@entry=0x215ed98) at thread/qmutex.h:85
#4  QMutex::unlock (this=this@entry=0x215ed98) at thread/qmutex.cpp:264
#5  0x00007fd647a635b5 in unlock (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:138
#6  ~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:132
#7  canWaitLocked (this=<optimized out>) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:244
#8  postEventSourcePrepare (timeout=<synthetic pointer>, s=0x7fd5f00012d0) at kernel/qeventdispatcher_glib.cpp:254
#9  postEventSourceCheck (source=0x7fd5f00012d0) at kernel/qeventdispatcher_glib.cpp:264
#10 0x00007fd6438578c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fd643857e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5f00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#14 0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd5fb7fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#15 0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#16 0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x2152f00) at thread/qthread_unix.cpp:337
#18 0x00007fd6469d26aa in start_thread (arg=0x7fd5fb7ff700) at pthread_create.c:333
#19 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 32 (Thread 0x7fd5fa5f6700 (LWP 1619)):
#0  0x00007fd64389c7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643857ddb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5e80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd5fa5f5de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x2288730) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd5fa5f6700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 31 (Thread 0x7fd5f9545700 (LWP 1620)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd64b4d6644 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fd64b4d6689 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fd6469d26aa in start_thread (arg=0x7fd5f9545700) at pthread_create.c:333
#4  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7fd5f8c2c700 (LWP 1621)):
#0  0x00007fd64389c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643857a16 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd5f8c2bde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x234dc00) at thread/qthread_unix.cpp:337
#9  0x00007fd6469d26aa in start_thread (arg=0x7fd5f8c2c700) at pthread_create.c:333
#10 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7fd5670cb700 (LWP 1670)):
#0  0x00007fd643857409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643857de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd5670cade0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x24f86a0) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd5670cb700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7fd565815700 (LWP 1680)):
#0  0x00007fd64714b8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd643857ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd565814d90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd64c03fb56 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x2672100) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd565815700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7fd564c2b700 (LWP 1698)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd6477cdc6b in wait (time=18446744073709551615, this=0x26821e0) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x24a3f10, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007fd64c0b1fab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fd64c0b23a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x24a3e90) at thread/qthread_unix.cpp:337
#6  0x00007fd6469d26aa in start_thread (arg=0x7fd564c2b700) at pthread_create.c:333
#7  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7fd556fff700 (LWP 1745)):
#0  0x00007fd64714749d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd64389b2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd64385796c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5500008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd556ffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x2b52330) at thread/qthread_unix.cpp:337
#10 0x00007fd6469d26aa in start_thread (arg=0x7fd556fff700) at pthread_create.c:333
#11 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7fd54fbcd700 (LWP 1800)):
#0  QMutex::lock (this=this@entry=0x2f9f468) at thread/qmutex.cpp:210
#1  0x00007fd647a631db in QMutexLocker (m=0x2f9f468, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:128
#2  canWaitLocked (this=0x2f9f440) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:243
#3  postEventSourcePrepare (s=0x7fd5480012d0, timeout=0x7fd54fbccc14) at kernel/qeventdispatcher_glib.cpp:254
#4  0x00007fd6438573fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd643857de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#8  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd54fbccde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#10 0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x2fa0670) at thread/qthread_unix.cpp:337
#12 0x00007fd6469d26aa in start_thread (arg=0x7fd54fbcd700) at pthread_create.c:333
#13 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7fd54eadb700 (LWP 1801)):
#0  0x00007fd64389c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643856f38 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857e76 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5400008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd54eadade0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x30cce00) at thread/qthread_unix.cpp:337
#9  0x00007fd6469d26aa in start_thread (arg=0x7fd54eadb700) at pthread_create.c:333
#10 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7fd54d9d8700 (LWP 1804)):
#0  0x00007fd64389c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd6438572d7 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5440008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd54d9d7de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x31ae1c0) at thread/qthread_unix.cpp:337
#9  0x00007fd6469d26aa in start_thread (arg=0x7fd54d9d8700) at pthread_create.c:333
#10 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7fd54c8d5700 (LWP 1805)):
#0  0x00007fd64389c780 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643857641 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857e37 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5380008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd54c8d4de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x32a9550) at thread/qthread_unix.cpp:337
#9  0x00007fd6469d26aa in start_thread (arg=0x7fd54c8d5700) at pthread_create.c:333
#10 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7fd53f7cf700 (LWP 1806)):
#0  0x00007fd64714b8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd643857ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5340008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd53f7cede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x339cf00) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd53f7cf700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7fd53e6ce700 (LWP 1807)):
#0  0x00007fd64389c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643857e7e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd52c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd53e6cdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x348d550) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd53e6ce700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7fd53d5cc700 (LWP 1808)):
#0  0x00007fd64389c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643857409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd53d5cbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x3572980) at thread/qthread_unix.cpp:337
#9  0x00007fd6469d26aa in start_thread (arg=0x7fd53d5cc700) at pthread_create.c:333
#10 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7fd52bfff700 (LWP 1809)):
#0  0x00007fd64389c230 in g_private_get () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd64387ee00 in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fbd in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd52bffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x366aa60) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd52bfff700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7fd52affe700 (LWP 1810)):
#0  0x00007fd64389c7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643857852 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd51c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd52affdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x3764c10) at thread/qthread_unix.cpp:337
#9  0x00007fd6469d26aa in start_thread (arg=0x7fd52affe700) at pthread_create.c:333
#10 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7fd529ffd700 (LWP 1811)):
#0  0x00007ffd42d00c58 in clock_gettime ()
#1  0x00007fd64716538d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fd647882cb6 in qt_clock_gettime (ts=0x7fd529ffcb40, 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  0x00007fd647a61639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7fd520002ed0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007fd647a61ba5 in QTimerInfoList::timerWait (this=0x7fd520002ed0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007fd647a6303e in timerSourcePrepareHelper (timeout=0x7fd529ffcc14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7fd529ffcc14) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007fd6438573fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fd643857de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd529ffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x384f4f0) at thread/qthread_unix.cpp:337
#17 0x00007fd6469d26aa in start_thread (arg=0x7fd529ffd700) at pthread_create.c:333
#18 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7fd528ffc700 (LWP 1812)):
#0  0x00007fd643854f75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd64385739b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd528ffbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x396c330) at thread/qthread_unix.cpp:337
#9  0x00007fd6469d26aa in start_thread (arg=0x7fd528ffc700) at pthread_create.c:333
#10 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7fd51b7ff700 (LWP 1813)):
#0  0x00007fd64385786b in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643857e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd51b7fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x3a2c930) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd51b7ff700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7fd51a7fe700 (LWP 1814)):
#0  0x00007fd64714b8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd643857ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd5080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd51a7fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x3b201d0) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd51a7fe700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7fd5197fd700 (LWP 1815)):
#0  0x00007fd64714b8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd643857ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd50c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd5197fcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x3c0f8c0) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd5197fd700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fd504284700 (LWP 1844)):
#0  0x00007fd643854f04 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd64385739b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd4fc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd504283dc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fd5064eccf7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x41256b0) at thread/qthread_unix.cpp:337
#9  0x00007fd6469d26aa in start_thread (arg=0x7fd504284700) at pthread_create.c:333
#10 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fd5033d9700 (LWP 1861)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd6477cdc6b in wait (time=18446744073709551615, this=0x4286ea0) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x41aec10, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007fd64c0b1fab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fd64c0b23a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x41aeb90) at thread/qthread_unix.cpp:337
#6  0x00007fd6469d26aa in start_thread (arg=0x7fd5033d9700) at pthread_create.c:333
#7  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fd501acd700 (LWP 1862)):
#0  0x00007fd64714b8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd643857ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd4f80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd501accde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x3f626f0) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd501acd700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fd5009ca700 (LWP 1863)):
#0  0x00007fd64389c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd643856f38 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857e76 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd4ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd5009c9de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x49203c0) at thread/qthread_unix.cpp:337
#9  0x00007fd6469d26aa in start_thread (arg=0x7fd5009ca700) at pthread_create.c:333
#10 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fd4f13a1700 (LWP 2093)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd6477cdc6b in wait (time=18446744073709551615, this=0x4c071e0) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x508afa0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007fd64c0b1fab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fd64c0b23a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x508af20) at thread/qthread_unix.cpp:337
#6  0x00007fd6469d26aa in start_thread (arg=0x7fd4f13a1700) at pthread_create.c:333
#7  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fd4e6fff700 (LWP 2126)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd6477cdc6b in wait (time=18446744073709551615, this=0x55a7e90) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x55a15f0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007fd64c0b1fab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fd64c0b23a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x55a1570) at thread/qthread_unix.cpp:337
#6  0x00007fd6469d26aa in start_thread (arg=0x7fd4e6fff700) at pthread_create.c:333
#7  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fd4dffff700 (LWP 2148)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd6477cdc6b in wait (time=18446744073709551615, this=0x5352ba0) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x5326b50, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007fd64c0b1fab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fd64c0b23a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x5326ad0) at thread/qthread_unix.cpp:337
#6  0x00007fd6469d26aa in start_thread (arg=0x7fd4dffff700) at pthread_create.c:333
#7  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fd4dddee700 (LWP 2344)):
#0  0x00007fd6477c4e0f in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x653f2b8: 0x0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetRelease<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x653f2b8: 0x0) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:175
#2  testAndSetRelease (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, this=this@entry=0x653f2b8) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:272
#3  fastTryUnlock (current=<synthetic pointer>, this=this@entry=0x653f2b8) at thread/qmutex.h:85
#4  QMutex::unlock (this=this@entry=0x653f2b8) at thread/qmutex.cpp:264
#5  0x00007fd647a631ed in unlock (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:138
#6  ~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:132
#7  canWaitLocked (this=0x653f290) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:244
#8  postEventSourcePrepare (s=0x7fd4d00012d0, timeout=0x7fd4dddedc14) at kernel/qeventdispatcher_glib.cpp:254
#9  0x00007fd6438573fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fd643857de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd4d00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd4dddedde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x63f9970) at thread/qthread_unix.cpp:337
#17 0x00007fd6469d26aa in start_thread (arg=0x7fd4dddee700) at pthread_create.c:333
#18 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fd4cf7ff700 (LWP 2656)):
#0  0x00007fd64714b8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd643857ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd4c80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd4cf7fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fd649555f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x67ed000) at thread/qthread_unix.cpp:337
#8  0x00007fd6469d26aa in start_thread (arg=0x7fd4cf7ff700) at pthread_create.c:333
#9  0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fd4ce7fe700 (LWP 2657)):
#0  0x00007fd64714749d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd64389b2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd64385796c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd643857e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd647a63c6c in QEventDispatcherGlib::processEvents (this=0x7fd4c00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7fd4ce7fdd90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fd6477c7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007fd64c03fb56 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007fd6477ccb0e in QThreadPrivate::start (arg=0x6922520) at thread/qthread_unix.cpp:337
#10 0x00007fd6469d26aa in start_thread (arg=0x7fd4ce7fe700) at pthread_create.c:333
#11 0x00007fd647156eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fd64c39e7c0 (LWP 1538)):
[KCrash Handler]
#6  QScreen::availableGeometry (this=0x0) at kernel/qscreen.cpp:284
#7  0x00007fd647d7ef8c in QScreen::availableVirtualGeometry (this=<optimized out>) at kernel/qscreen.cpp:366
#8  0x00007fd64c1c5b9a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007fd647a3b9c9 in QMetaObject::activate (sender=sender@entry=0x176c500, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd42c1cb30) at kernel/qobject.cpp:3716
#10 0x00007fd647a3c057 in QMetaObject::activate (sender=sender@entry=0x176c500, m=m@entry=0x7fd6481a3b80 <QWindow::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd42c1cb30) at kernel/qobject.cpp:3582
#11 0x00007fd647d5bd4f in QWindow::screenChanged (this=this@entry=0x176c500, _t1=_t1@entry=0x534f6d0) at .moc/moc_qwindow.cpp:626
#12 0x00007fd647d5c5a5 in QWindowPrivate::emitScreenChangedRecursion (this=this@entry=0x16fbee0, newScreen=newScreen@entry=0x534f6d0) at kernel/qwindow.cpp:366
#13 0x00007fd647d5fcc3 in QWindowPrivate::setTopLevelScreen (this=0x16fbee0, newScreen=0x534f6d0, recreate=<optimized out>) at kernel/qwindow.cpp:387
#14 0x00007fd647d5fe65 in QWindow::screenDestroyed (this=0x176c500, object=<optimized out>) at kernel/qwindow.cpp:1713
#15 0x00007fd647a3b35a in call (a=0x7ffd42c1cd80, r=0x176c500, this=0x16fc1b0) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#16 QMetaObject::activate (sender=sender@entry=0x152edf0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd42c1cd80) at kernel/qobject.cpp:3702
#17 0x00007fd647a3c057 in QMetaObject::activate (sender=sender@entry=0x152edf0, m=m@entry=0x7fd647c5d940 <QObject::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd42c1cd80) at kernel/qobject.cpp:3582
#18 0x00007fd647a3c0ff in QObject::destroyed (this=this@entry=0x152edf0, _t1=_t1@entry=0x152edf0) at .moc/moc_qobject.cpp:206
#19 0x00007fd647a44a8b in QObject::~QObject (this=0x152edf0, __in_chrg=<optimized out>) at kernel/qobject.cpp:903
#20 0x00007fd647d7e679 in QScreen::~QScreen (this=0x152edf0, __in_chrg=<optimized out>) at kernel/qscreen.cpp:77
#21 0x00007fd647d44f2a in QPlatformScreen::~QPlatformScreen (this=0x152ee10, __in_chrg=<optimized out>) at kernel/qplatformscreen.cpp:57
#22 0x00007fd63bda1769 in QXcbScreen::~QXcbScreen (this=0x152ee10, __in_chrg=<optimized out>) at qxcbscreen.cpp:222
#23 0x00007fd63bd945ab in QXcbConnection::updateScreens (this=this@entry=0x15205b0) at qxcbconnection.cpp:286
#24 0x00007fd63bd9527d in QXcbConnection::handleXcbEvent (this=this@entry=0x15205b0, event=event@entry=0x7fd634004750) at qxcbconnection.cpp:961
#25 0x00007fd63bd964bb in QXcbConnection::processXcbEvents (this=0x15205b0) at qxcbconnection.cpp:1303
#26 0x00007fd647a3c73a in QObject::event (this=0x15205b0, e=<optimized out>) at kernel/qobject.cpp:1245
#27 0x00007fd648314b2c in QApplicationPrivate::notify_helper (this=0x1514870, receiver=0x15205b0, e=0x7fd63400b440) at kernel/qapplication.cpp:3720
#28 0x00007fd64831a000 in QApplication::notify (this=0x7ffd42c1d8c0, receiver=0x15205b0, e=0x7fd63400b440) at kernel/qapplication.cpp:3503
#29 0x00007fd647a0ac2b in QCoreApplication::notifyInternal (this=0x7ffd42c1d8c0, receiver=0x15205b0, event=event@entry=0x7fd63400b440) at kernel/qcoreapplication.cpp:935
#30 0x00007fd647a0cc9b in sendEvent (event=0x7fd63400b440, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#31 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x150a280) at kernel/qcoreapplication.cpp:1552
#32 0x00007fd647a0d298 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#33 0x00007fd647a63843 in postEventSourceDispatch (s=0x15561e0) at kernel/qeventdispatcher_glib.cpp:271
#34 0x00007fd643857c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fd643857f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fd643857fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007fd647a63c57 in QEventDispatcherGlib::processEvents (this=0x1550ec0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#38 0x00007fd647a083e2 in QEventLoop::exec (this=this@entry=0x7ffd42c1d740, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#39 0x00007fd647a1002c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#40 0x00007fd647d4f31c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#41 0x00007fd6483107a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#42 0x000000000042fd9b in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:158

Reported using DrKonqi