Application: plasmashell (5.10.3)

Qt Version: 5.9.1
Frameworks Version: 5.36.0
Operating System: Linux 4.8.0-58-generic x86_64
Distribution: KDE neon User Edition 5.10

-- Information about the crash:
- What I was doing when the application crashed:
kde-neon; copy files by drag and drop(cdrom to hard disk (home directory)

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7f68227c48c0 (LWP 1498))]

Thread 18 (Thread 0x7f671ffff700 (LWP 4715)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f681d4f48eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x3efe1c0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x560e028, mutex=mutex@entry=0x560e020, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f68205de10d in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x560e018) at scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x560dfa0) at scenegraph/qsgthreadedrenderloop.cpp:701
#5  0x00007f68205dea05 in QSGRenderThread::run (this=0x560dfa0) at scenegraph/qsgthreadedrenderloop.cpp:730
#6  0x00007f681d4f3989 in QThreadPrivate::start (arg=0x560dfa0) at thread/qthread_unix.cpp:368
#7  0x00007f681c6d76ba in start_thread (arg=0x7f671ffff700) at pthread_create.c:333
#8  0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f67373fd700 (LWP 2100)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f681d4f48eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x3d066c0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x2ea5e88, mutex=mutex@entry=0x2ea5e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f68205de10d in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x2ea5e78) at scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x2ea5e00) at scenegraph/qsgthreadedrenderloop.cpp:701
#5  0x00007f68205dea05 in QSGRenderThread::run (this=0x2ea5e00) at scenegraph/qsgthreadedrenderloop.cpp:730
#6  0x00007f681d4f3989 in QThreadPrivate::start (arg=0x2ea5e00) at thread/qthread_unix.cpp:368
#7  0x00007f681c6d76ba in start_thread (arg=0x7f67373fd700) at pthread_create.c:333
#8  0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f6736bfc700 (LWP 1923)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f681d4f48eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x421abd0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x4e238c8, mutex=mutex@entry=0x4e238c0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f68205de10d in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x4e238b8) at scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x4e23840) at scenegraph/qsgthreadedrenderloop.cpp:701
#5  0x00007f68205dea05 in QSGRenderThread::run (this=0x4e23840) at scenegraph/qsgthreadedrenderloop.cpp:730
#6  0x00007f681d4f3989 in QThreadPrivate::start (arg=0x4e23840) at thread/qthread_unix.cpp:368
#7  0x00007f681c6d76ba in start_thread (arg=0x7f6736bfc700) at pthread_create.c:333
#8  0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f6737ffe700 (LWP 1841)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f681d4f48eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x41c3790) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x4a8e008, mutex=mutex@entry=0x4a8e000, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f68205de10d in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x4a8dff8) at scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x4a8df80) at scenegraph/qsgthreadedrenderloop.cpp:701
#5  0x00007f68205dea05 in QSGRenderThread::run (this=0x4a8df80) at scenegraph/qsgthreadedrenderloop.cpp:730
#6  0x00007f681d4f3989 in QThreadPrivate::start (arg=0x4a8df80) at thread/qthread_unix.cpp:368
#7  0x00007f681c6d76ba in start_thread (arg=0x7f6737ffe700) at pthread_create.c:333
#8  0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f67414f6700 (LWP 1840)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f681d4f48eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x3eefaf0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x34694d8, mutex=mutex@entry=0x34694d0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f68205de10d in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x34694c8) at scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x3469450) at scenegraph/qsgthreadedrenderloop.cpp:701
#5  0x00007f68205dea05 in QSGRenderThread::run (this=0x3469450) at scenegraph/qsgthreadedrenderloop.cpp:730
#6  0x00007f681d4f3989 in QThreadPrivate::start (arg=0x3469450) at thread/qthread_unix.cpp:368
#7  0x00007f681c6d76ba in start_thread (arg=0x7f67414f6700) at pthread_create.c:333
#8  0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f6742068700 (LWP 1836)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f681d4f48eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x3c04410) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x3c04718, mutex=mutex@entry=0x3c04710, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f68205de10d in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x3c04708) at scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x3c04690) at scenegraph/qsgthreadedrenderloop.cpp:701
#5  0x00007f68205dea05 in QSGRenderThread::run (this=0x3c04690) at scenegraph/qsgthreadedrenderloop.cpp:730
#6  0x00007f681d4f3989 in QThreadPrivate::start (arg=0x3c04690) at thread/qthread_unix.cpp:368
#7  0x00007f681c6d76ba in start_thread (arg=0x7f6742068700) at pthread_create.c:333
#8  0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f6742be9700 (LWP 1830)):
[KCrash Handler]
#6  0x00000000058d0e30 in ?? ()
#7  0x00007f681fbd672a in QAbstractAnimationJob::setCurrentTime (this=0x354f750, msecs=10666) at animations/qabstractanimationjob.cpp:453
#8  0x00007f681fbd68bc in QQmlAnimationTimer::updateAnimationsTime (this=0x7f673c219530, delta=17) at animations/qabstractanimationjob.cpp:117
#9  0x00007f681d4c7452 in QUnifiedTimer::updateAnimationTimers (this=0x7f673c003330) at animation/qabstractanimation.cpp:333
#10 0x00007f681d4c803c in QAnimationDriver::advanceAnimation (this=<optimized out>, timeStep=-1) at animation/qabstractanimation.cpp:831
#11 0x00007f68205b9007 in QSGAnimationDriver::advance (this=0x7f673c0013a0) at scenegraph/qsgcontext.cpp:218
#12 0x00007f68205da8fe in QSGRenderThread::syncAndRender (this=this@entry=0x2977580) at scenegraph/qsgthreadedrenderloop.cpp:623
#13 0x00007f68205de8dc in QSGRenderThread::run (this=0x2977580) at scenegraph/qsgthreadedrenderloop.cpp:721
#14 0x00007f681d4f3989 in QThreadPrivate::start (arg=0x2977580) at thread/qthread_unix.cpp:368
#15 0x00007f681c6d76ba in start_thread (arg=0x7f6742be9700) at pthread_create.c:333
#16 0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f674b443700 (LWP 1817)):
#0  0x00007f681cdf024d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f682256ffb2 in ?? () from /opt/lib/libmediaclient.so
#2  0x00007f68225712d8 in read () from /opt/lib/libmediaclient.so
#3  0x00007f68185986f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6818554e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6818555330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f681855549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f681d71c94b in QEventDispatcherGlib::processEvents (this=0x7f67440008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#8  0x00007f681d6c57ca in QEventLoop::exec (this=this@entry=0x7f674b442cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#9  0x00007f681d4eecd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#10 0x00007f674d921587 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#11 0x00007f681d4f3989 in QThreadPrivate::start (arg=0x3575540) at thread/qthread_unix.cpp:368
#12 0x00007f681c6d76ba in start_thread (arg=0x7f674b443700) at pthread_create.c:333
#13 0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f6766429700 (LWP 1795)):
#0  0x00007f68185523c7 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f68185548bb in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f68185552bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f681855549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f681d71c94b in QEventDispatcherGlib::processEvents (this=0x7f675c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f681d6c57ca in QEventLoop::exec (this=this@entry=0x7f6766428ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f681d4eecd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#7  0x00007f6766f7d975 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/XmlListModel/libqmlxmllistmodelplugin.so
#8  0x00007f681d4f3989 in QThreadPrivate::start (arg=0x2572f30) at thread/qthread_unix.cpp:368
#9  0x00007f681c6d76ba in start_thread (arg=0x7f6766429700) at pthread_create.c:333
#10 0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f67677fe700 (LWP 1777)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f681d4f48eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x290ec10) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x29a9148, mutex=mutex@entry=0x29a9140, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f68205de10d in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x29a9138) at scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x29a90c0) at scenegraph/qsgthreadedrenderloop.cpp:701
#5  0x00007f68205dea05 in QSGRenderThread::run (this=0x29a90c0) at scenegraph/qsgthreadedrenderloop.cpp:730
#6  0x00007f681d4f3989 in QThreadPrivate::start (arg=0x29a90c0) at thread/qthread_unix.cpp:368
#7  0x00007f681c6d76ba in start_thread (arg=0x7f67677fe700) at pthread_create.c:333
#8  0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f6767fff700 (LWP 1771)):
#0  0x00007f681cdf024d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f682256ffb2 in ?? () from /opt/lib/libmediaclient.so
#2  0x00007f68225712d8 in read () from /opt/lib/libmediaclient.so
#3  0x00007f68185986f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6818554e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6818555330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f681855549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f681d71c94b in QEventDispatcherGlib::processEvents (this=0x7f67600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#8  0x00007f681d6c57ca in QEventLoop::exec (this=this@entry=0x7f6767ffec90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#9  0x00007f681d4eecd4 in QThread::exec (this=this@entry=0x2889900) at thread/qthread.cpp:515
#10 0x00007f682055e256 in QQuickPixmapReader::run (this=0x2889900) at util/qquickpixmapcache.cpp:868
#11 0x00007f681d4f3989 in QThreadPrivate::start (arg=0x2889900) at thread/qthread_unix.cpp:368
#12 0x00007f681c6d76ba in start_thread (arg=0x7f6767fff700) at pthread_create.c:333
#13 0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f676ed33700 (LWP 1769)):
#0  QMutex::unlock (this=this@entry=0x2567d60) at thread/qmutex.cpp:335
#1  0x00007f681d71c871 in QMutexLocker::unlock (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:213
#2  QMutexLocker::~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:207
#3  QThreadData::canWaitLocked (this=0x2567d30) at ../../include/QtCore/5.9.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:253
#4  postEventSourcePrepare (s=0x7f67680012d0, timeout=0x7f676ed32b34) at kernel/qeventdispatcher_glib.cpp:259
#5  0x00007f681855491d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f68185552bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f681855549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f681d71c94b in QEventDispatcherGlib::processEvents (this=0x7f67680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#9  0x00007f681d6c57ca in QEventLoop::exec (this=this@entry=0x7f676ed32d00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#10 0x00007f681d4eecd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#11 0x00007f681d4f3989 in QThreadPrivate::start (arg=0x2567ee0) at thread/qthread_unix.cpp:368
#12 0x00007f681c6d76ba in start_thread (arg=0x7f676ed33700) at pthread_create.c:333
#13 0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f67fb5a8700 (LWP 1765)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6822003784 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f68220037c9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f681c6d76ba in start_thread (arg=0x7f67fb5a8700) at pthread_create.c:333
#4  0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f680575a700 (LWP 1763)):
#0  QMutex::lock (this=this@entry=0x1f11c00) at thread/qmutex.cpp:222
#1  0x00007f681d71c85f in QMutexLocker::QMutexLocker (m=0x1f11c00, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:200
#2  QThreadData::canWaitLocked (this=0x1f11bd0) at ../../include/QtCore/5.9.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:253
#3  postEventSourcePrepare (s=0x7f67f40012d0, timeout=0x7f6805759b14) at kernel/qeventdispatcher_glib.cpp:259
#4  0x00007f681855491d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f68185552bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f681855549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f681d71c94b in QEventDispatcherGlib::processEvents (this=0x7f67f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#8  0x00007f681d6c57ca in QEventLoop::exec (this=this@entry=0x7f6805759ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#9  0x00007f681d4eecd4 in QThread::exec (this=this@entry=0x1effee0) at thread/qthread.cpp:515
#10 0x00007f681fbbcfa5 in QQmlThreadPrivate::run (this=0x1effee0) at qml/ftw/qqmlthread.cpp:147
#11 0x00007f681d4f3989 in QThreadPrivate::start (arg=0x1effee0) at thread/qthread_unix.cpp:368
#12 0x00007f681c6d76ba in start_thread (arg=0x7f680575a700) at pthread_create.c:333
#13 0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f68077cb700 (LWP 1621)):
#0  0x00007f681cdf470d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f682256ffc0 in ?? () from /opt/lib/libmediaclient.so
#2  0x00007f6822570d02 in poll () from /opt/lib/libmediaclient.so
#3  0x00007f681855538c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f681855549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f681d71c94b in QEventDispatcherGlib::processEvents (this=0x7f67fc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f681d6c57ca in QEventLoop::exec (this=this@entry=0x7f68077cace0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007f681d4eecd4 in QThread::exec (this=this@entry=0x1ef06e0) at thread/qthread.cpp:515
#8  0x00007f681fbbcfa5 in QQmlThreadPrivate::run (this=0x1ef06e0) at qml/ftw/qqmlthread.cpp:147
#9  0x00007f681d4f3989 in QThreadPrivate::start (arg=0x1ef06e0) at thread/qthread_unix.cpp:368
#10 0x00007f681c6d76ba in start_thread (arg=0x7f68077cb700) at pthread_create.c:333
#11 0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f680d356700 (LWP 1589)):
#0  0x00007f681cdf470d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f682256ffc0 in ?? () from /opt/lib/libmediaclient.so
#2  0x00007f6822570d02 in poll () from /opt/lib/libmediaclient.so
#3  0x00007f681855538c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f681855549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f681d71c94b in QEventDispatcherGlib::processEvents (this=0x7f68000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f681d6c57ca in QEventLoop::exec (this=this@entry=0x7f680d355cd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007f681d4eecd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#8  0x00007f68228fdb75 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f681d4f3989 in QThreadPrivate::start (arg=0x7f6822973da0) at thread/qthread_unix.cpp:368
#10 0x00007f681c6d76ba in start_thread (arg=0x7f680d356700) at pthread_create.c:333
#11 0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f680eb58700 (LWP 1519)):
#0  0x00007f681cdf470d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f682256ffc0 in ?? () from /opt/lib/libmediaclient.so
#2  0x00007f6822570d02 in poll () from /opt/lib/libmediaclient.so
#3  0x00007f6820f64c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007f6820f668d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#5  0x00007f68112d0329 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#6  0x00007f681d4f3989 in QThreadPrivate::start (arg=0x1e42850) at thread/qthread_unix.cpp:368
#7  0x00007f681c6d76ba in start_thread (arg=0x7f680eb58700) at pthread_create.c:333
#8  0x00007f681ce003dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f68227c48c0 (LWP 1498)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f681d4f48eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x39a7d50) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x29775c0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f68205db355 in QSGThreadedRenderLoop::polishAndSync (this=this@entry=0x20f5160, w=<optimized out>, inExpose=inExpose@entry=false) at scenegraph/qsgthreadedrenderloop.cpp:1202
#4  0x00007f68205dbd6a in QSGThreadedRenderLoop::handleUpdateRequest (this=0x20f5160, window=0x2ba58d0) at scenegraph/qsgthreadedrenderloop.cpp:1027
#5  0x00007f6820634f97 in QQuickWindow::event (this=this@entry=0x2ba58d0, e=e@entry=0x7ffdf9bd8990) at items/qquickwindow.cpp:1588
#6  0x000000000042d85b in PanelView::event (this=0x2ba58d0, e=0x7ffdf9bd8990) at /workspace/build/shell/panelview.cpp:910
#7  0x00007f681e02f3fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007f681e036e07 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f681d6c7798 in QCoreApplication::notifyInternal2 (receiver=0x2ba58d0, event=0x7ffdf9bd8990) at kernel/qcoreapplication.cpp:1018
#10 0x00007f681dac4d8e in QWindowPrivate::deliverUpdateRequest() () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007f681dac52b9 in QWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#12 0x00007f6820634f45 in QQuickWindow::event (this=this@entry=0x2ba58d0, e=e@entry=0x7ffdf9bd8d60) at items/qquickwindow.cpp:1607
#13 0x000000000042d85b in PanelView::event (this=0x2ba58d0, e=0x7ffdf9bd8d60) at /workspace/build/shell/panelview.cpp:910
#14 0x00007f681e02f3fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f681e036e07 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f681d6c7798 in QCoreApplication::notifyInternal2 (receiver=0x2ba58d0, event=event@entry=0x7ffdf9bd8d60) at kernel/qcoreapplication.cpp:1018
#17 0x00007f681d71bcfe in QCoreApplication::sendEvent (event=0x7ffdf9bd8d60, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#18 QTimerInfoList::activateTimers (this=0x1e67f90) at kernel/qtimerinfo_unix.cpp:643
#19 0x00007f681d71c581 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:182
#20 0x00007f6818555197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f68185553f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f681855549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f681d71c92f in QEventDispatcherGlib::processEvents (this=0x1e6c9a0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#24 0x00007f681d6c57ca in QEventLoop::exec (this=this@entry=0x7ffdf9bd8fb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#25 0x00007f681d6ce704 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1291
#26 0x000000000041cd68 in main (argc=1, argv=<optimized out>) at /workspace/build/shell/main.cpp:166

Possible duplicates by query: bug 382214, bug 382036, bug 381959, bug 381871, bug 381741.

Reported using DrKonqi