Bug 363493

Application: plasmashell (5.5.5)

Qt Version: 5.6.0
Operating System: Linux 4.4.6-gentoo x86_64
Distribution: "Gentoo Base System release 2.2"

-- Information about the crash:
- What I was doing when the application crashed -
moved the mouse, recompield qt, trloaded the back trace of the previous crash

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f064e437780 (LWP 4568))]

Thread 12 (Thread 0x7f064b743700 (LWP 4569)):
#0  0x00007f065790593d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f065bb23c6a in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f065bb260df in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f064e0edc19 in QXcbEventReader::run (this=0x55c90ea27be0) at qxcbconnection.cpp:1313
#4  0x00007f0657fa6562 in QThreadPrivate::start (arg=0x55c90ea27be0) at thread/qthread_unix.cpp:340
#5  0x00007f065710960c in start_thread (arg=0x7f064b743700) at pthread_create.c:334
#6  0x00007f065790f89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f064891d700 (LWP 4570)):
#0  0x00007f0657f71450 in __tls_get_addr@plt () from /usr/lib64/libQt5Core.so.5
#1  0x00007f0657fa526a in get_thread_data () at thread/qthread_unix.cpp:182
#2  QThreadData::current (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:213
#3  0x00007f06581e038d in postEventSourcePrepare (s=0x7f063c0012d0, timeout=0x0) at kernel/qeventdispatcher_glib.cpp:246
#4  0x00007f065391e157 in g_main_context_check (context=context@entry=0x7f063c000990, max_priority=2147483647, fds=fds@entry=0x7f063c003020, n_fds=n_fds@entry=1) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3681
#5  0x00007f065391e703 in g_main_context_iterate (context=context@entry=0x7f063c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3837
#6  0x00007f065391e8d1 in g_main_context_iteration (context=0x7f063c000990, may_block=1) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3901
#7  0x00007f06581e07f4 in QEventDispatcherGlib::processEvents (this=0x7f063c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#8  0x00007f065818412a in QEventLoop::exec (this=this@entry=0x7f064891cde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007f0657fa0c7d in QThread::exec (this=this@entry=0x7f065d5391c0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:503
#10 0x00007f065d4c2335 in QDBusConnectionManager::run (this=0x7f065d5391c0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:181
#11 0x00007f0657fa6562 in QThreadPrivate::start (arg=0x7f065d5391c0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:340
#12 0x00007f065710960c in start_thread (arg=0x7f064891d700) at pthread_create.c:334
#13 0x00007f065790f89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f0642fc0700 (LWP 4571)):
#0  g_mutex_unlock (mutex=0x7f0638000990) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gthread-posix.c:1350
#1  0x00007f065391dcd0 in g_main_context_prepare (context=context@entry=0x7f0638000990, priority=priority@entry=0x7f0642fbfc80) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3507
#2  0x00007f065391e686 in g_main_context_iterate (context=context@entry=0x7f0638000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3820
#3  0x00007f065391e8d1 in g_main_context_iteration (context=0x7f0638000990, may_block=1) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3901
#4  0x00007f06581e07f4 in QEventDispatcherGlib::processEvents (this=0x7f06380008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#5  0x00007f065818412a in QEventLoop::exec (this=this@entry=0x7f0642fbfdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f0657fa0c7d in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f065a92ef48 in QQmlThreadPrivate::lock (this=0x55c90ec13fa0) at qml/ftw/qqmlthread.cpp:54
#8  QQmlThreadPrivate::run (this=0x55c90ec13fa0) at qml/ftw/qqmlthread.cpp:134
#9  0x00007f0657fa6562 in QThreadPrivate::start (arg=0x55c90ec13fa0) at thread/qthread_unix.cpp:340
#10 0x00007f065710960c in start_thread (arg=0x7f0642fc0700) at pthread_create.c:334
#11 0x00007f065790f89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f0637fff700 (LWP 4572)):
#0  0x00007f065790593d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f065391e765 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f0630003070, timeout=-1, context=0x7f0630000990) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:4135
#2  g_main_context_iterate (context=context@entry=0x7f0630000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3835
#3  0x00007f065391e8d1 in g_main_context_iteration (context=0x7f0630000990, may_block=1) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3901
#4  0x00007f06581e07f4 in QEventDispatcherGlib::processEvents (this=0x7f06300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#5  0x00007f065818412a in QEventLoop::exec (this=this@entry=0x7f0637ffedf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f0657fa0c7d in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f065a92ef48 in QQmlThreadPrivate::lock (this=0x55c90ee5c630) at qml/ftw/qqmlthread.cpp:54
#8  QQmlThreadPrivate::run (this=0x55c90ee5c630) at qml/ftw/qqmlthread.cpp:134
#9  0x00007f0657fa6562 in QThreadPrivate::start (arg=0x55c90ee5c630) at thread/qthread_unix.cpp:340
#10 0x00007f065710960c in start_thread (arg=0x7f0637fff700) at pthread_create.c:334
#11 0x00007f065790f89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f0636034700 (LWP 4573)):
#0  0x00007f065391a848 in g_source_iter_next (iter=iter@entry=0x7f0636033c00, source=source@entry=0x7f0636033bf8) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:923
#1  0x00007f065391e082 in g_main_context_check (context=context@entry=0x7f0628000990, max_priority=2147483647, fds=fds@entry=0x7f0628003070, n_fds=n_fds@entry=1) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3661
#2  0x00007f065391e703 in g_main_context_iterate (context=context@entry=0x7f0628000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3837
#3  0x00007f065391e8d1 in g_main_context_iteration (context=0x7f0628000990, may_block=1) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3901
#4  0x00007f06581e07f4 in QEventDispatcherGlib::processEvents (this=0x7f06280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#5  0x00007f065818412a in QEventLoop::exec (this=this@entry=0x7f0636033df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f0657fa0c7d in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f065a92ef48 in QQmlThreadPrivate::lock (this=0x55c90ef4c890) at qml/ftw/qqmlthread.cpp:54
#8  QQmlThreadPrivate::run (this=0x55c90ef4c890) at qml/ftw/qqmlthread.cpp:134
#9  0x00007f0657fa6562 in QThreadPrivate::start (arg=0x55c90ef4c890) at thread/qthread_unix.cpp:340
#10 0x00007f065710960c in start_thread (arg=0x7f0636034700) at pthread_create.c:334
#11 0x00007f065790f89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f062ffff700 (LWP 4574)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f065cdf8cad in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f065ced1180 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f065cdf8d0b in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f065710960c in start_thread (arg=0x7f062ffff700) at pthread_create.c:334
#4  0x00007f065790f89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f062da74700 (LWP 4575)):
#0  0x00007f0653972cac in g_mutex_lock (mutex=mutex@entry=0x7f0624000990) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gthread-posix.c:1338
#1  0x00007f065391dc4b in g_main_context_prepare (context=context@entry=0x7f0624000990, priority=priority@entry=0x7f062da73c30) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3444
#2  0x00007f065391e686 in g_main_context_iterate (context=context@entry=0x7f0624000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3820
#3  0x00007f065391e8d1 in g_main_context_iteration (context=0x7f0624000990, may_block=1) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3901
#4  0x00007f06581e07f4 in QEventDispatcherGlib::processEvents (this=0x7f06240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#5  0x00007f065818412a in QEventLoop::exec (this=this@entry=0x7f062da73da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f0657fa0c7d in QThread::exec (this=this@entry=0x55c90f1aecb0) at thread/qthread.cpp:503
#7  0x00007f065b2d345a in QQuickPixmapReader::run (this=0x55c90f1aecb0) at util/qquickpixmapcache.cpp:818
#8  0x00007f0657fa6562 in QThreadPrivate::start (arg=0x55c90f1aecb0) at thread/qthread_unix.cpp:340
#9  0x00007f065710960c in start_thread (arg=0x7f062da74700) at pthread_create.c:334
#10 0x00007f065790f89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f062cd29700 (LWP 4576)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0657fa6d33 in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x55c90f0d1970) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x55c90f1d1118, mutex=mutex@entry=0x55c90f1d1110, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f065b35759b in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x55c90f1d1108) at scenegraph/qsgthreadedrenderloop.cpp:236
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x55c90f1d1090) at scenegraph/qsgthreadedrenderloop.cpp:684
#5  0x00007f065b35796a in QSGRenderThread::run (this=0x55c90f1d1090) at scenegraph/qsgthreadedrenderloop.cpp:713
#6  0x00007f0657fa6562 in QThreadPrivate::start (arg=0x55c90f1d1090) at thread/qthread_unix.cpp:340
#7  0x00007f065710960c in start_thread (arg=0x7f062cd29700) at pthread_create.c:334
#8  0x00007f065790f89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f0618f3e700 (LWP 4585)):
#0  0x00007f065790593d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f065391e765 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f06140048a0, timeout=1361160, context=0x7f0614000990) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:4135
#2  g_main_context_iterate (context=context@entry=0x7f0614000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3835
#3  0x00007f065391e8d1 in g_main_context_iteration (context=0x7f0614000990, may_block=1) at /var/tmp/portage/dev-libs/glib-2.46.2-r3/work/glib-2.46.2/glib/gmain.c:3901
#4  0x00007f06581e07f4 in QEventDispatcherGlib::processEvents (this=0x7f06140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#5  0x00007f065818412a in QEventLoop::exec (this=this@entry=0x7f0618f3ddd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f0657fa0c7d in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f0619e1ee8a in KCupsConnection::run() () from /usr/lib64/libkcupslib.so
#8  0x00007f0657fa6562 in QThreadPrivate::start (arg=0x55c90fac7ff0) at thread/qthread_unix.cpp:340
#9  0x00007f065710960c in start_thread (arg=0x7f0618f3e700) at pthread_create.c:334
#10 0x00007f065790f89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f0613fff700 (LWP 4586)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0657fa6d33 in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x55c90fbdf150) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x55c90fbdb638, mutex=mutex@entry=0x55c90fbdb630, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f065b35759b in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x55c90fbdb628) at scenegraph/qsgthreadedrenderloop.cpp:236
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x55c90fbdb5b0) at scenegraph/qsgthreadedrenderloop.cpp:684
#5  0x00007f065b35796a in QSGRenderThread::run (this=0x55c90fbdb5b0) at scenegraph/qsgthreadedrenderloop.cpp:713
#6  0x00007f0657fa6562 in QThreadPrivate::start (arg=0x55c90fbdb5b0) at thread/qthread_unix.cpp:340
#7  0x00007f065710960c in start_thread (arg=0x7f0613fff700) at pthread_create.c:334
#8  0x00007f065790f89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f06117dd700 (LWP 4592)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0657fa6d33 in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x55c90fcb5780) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x55c90fba74c8, mutex=mutex@entry=0x55c90fba74c0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f065b35759b in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x55c90fba74b8) at scenegraph/qsgthreadedrenderloop.cpp:236
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x55c90fba7440) at scenegraph/qsgthreadedrenderloop.cpp:684
#5  0x00007f065b35796a in QSGRenderThread::run (this=0x55c90fba7440) at scenegraph/qsgthreadedrenderloop.cpp:713
#6  0x00007f0657fa6562 in QThreadPrivate::start (arg=0x55c90fba7440) at thread/qthread_unix.cpp:340
#7  0x00007f065710960c in start_thread (arg=0x7f06117dd700) at pthread_create.c:334
#8  0x00007f065790f89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f064e437780 (LWP 4568)):
[KCrash Handler]
#6  0x00007f065a6e1bc8 in VDMModelDelegateDataType::notify (this=<optimized out>, items=..., index=<optimized out>, count=<optimized out>, roles=...) at util/qqmladaptormodel.cpp:169
#7  0x00007f065a955a00 in QQmlAdaptorModel::notify (roles=..., count=5, index=<optimized out>, items=..., this=0x55c90f2d4448) at ../../include/QtQml/5.6.0/QtQml/private/../../../../../src/qml/util/qqmladaptormodel_p.h:129
#8  QQmlDelegateModel::_q_itemsChanged (this=<optimized out>, index=27, count=5, roles=...) at types/qqmldelegatemodel.cpp:1139
#9  0x00007f065a9877fc in QQmlDelegateModel::qt_static_metacall (_o=0x55c90fb9d9b0, _c=27, _id=<optimized out>, _a=0x55c90fd38470) at .moc/moc_qqmldelegatemodel_p.cpp:202
#10 0x00007f065a9884da in QQmlDelegateModel::qt_metacall (this=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qqmldelegatemodel_p.cpp:372
#11 0x0000000000000000 in ?? ()

Possible duplicates by query: bug 363469, bug 363304, bug 363244, bug 363243, bug 363241.

Reported using DrKonqi