Application: plasma-desktop (4.11.14)
KDE Platform Version: 4.14.13
Qt Version: 4.8.6
Operating System: Linux 3.19.0-32-generic x86_64
Distribution: Linux Mint 17.3 Rosa

-- Information about the crash:
- What I was doing when the application crashed:

I just booted up the system. I can not tell if it was before or after the login, since I've autologin activated. It usually ends up in a black screen with usually no application window open, besides anything that starts automatically like the welcome screen. I force a reboot by hitting the reset button this time, during the load-screen of linux mint/KDE.
I happens sometimes, roghly estimated on every 20th startup.

- Unusual behavior I noticed:

I can recognize this faulty startup when the loading screen (the one with the 5 symbols, including a globe and a HDD) takes unusually long after displaying the globe symbol. That is before the resolution of the screen is adjusted to the target resolution.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb17758b7c0 (LWP 2331))]

Thread 6 (Thread 0x7fb15be93700 (LWP 2335)):
#0  __GI___pthread_mutex_lock (mutex=0xb8e5e0) at ../nptl/pthread_mutex_lock.c:161
#1  0x00007fb16a6f3981 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb16a6b187b in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb16a6b1f52 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb16a6b230a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb15e33e336 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007fb16a6d6f05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fb16adc3184 in start_thread (arg=0x7fb15be93700) at pthread_create.c:312
#8  0x00007fb176e8637d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7fb15b692700 (LWP 2336)):
#0  0x00007fb16a6f361d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb16a6f3979 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb16a6b10b0 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb16a6b1ea5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb16a6b20ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb16a6b2129 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fb16a6d6f05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fb16adc3184 in start_thread (arg=0x7fb15b692700) at pthread_create.c:312
#8  0x00007fb176e8637d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7fb13fa71700 (LWP 2341)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb17024affb in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fb17024b039 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fb16adc3184 in start_thread (arg=0x7fb13fa71700) at pthread_create.c:312
#4  0x00007fb176e8637d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fb0bac46700 (LWP 2406)):
#0  0x00007fb16adc5558 in __GI___pthread_mutex_lock (mutex=0x7fb0b4000a60) at ../nptl/pthread_mutex_lock.c:125
#1  0x00007fb16a6f3981 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb16a6b1557 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb16a6b1f03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb16a6b20ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb173a607be in QEventDispatcherGlib::processEvents (this=0x7fb0b40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007fb173a320af in QEventLoop::processEvents (this=this@entry=0x7fb0bac45de0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fb173a323a5 in QEventLoop::exec (this=this@entry=0x7fb0bac45de0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fb17392ec5f in QThread::exec (this=this@entry=0x17f2220) at thread/qthread.cpp:537
#9  0x00007fb173a13823 in QInotifyFileSystemWatcherEngine::run (this=0x17f2220) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007fb17393132f in QThreadPrivate::start (arg=0x17f2220) at thread/qthread_unix.cpp:349
#11 0x00007fb16adc3184 in start_thread (arg=0x7fb0bac46700) at pthread_create.c:312
#12 0x00007fb176e8637d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fb0b3fff700 (LWP 2409)):
#0  __tls_get_addr (ti=0x7fb173d98a50) at dl-tls.c:770
#1  0x00007fb173930044 in get_thread_data () at thread/qthread_unix.cpp:188
#2  QThreadData::current () at thread/qthread_unix.cpp:219
#3  0x00007fb173a60af5 in postEventSourcePrepare (s=0x7fb0a8001350, timeout=0x0) at kernel/qeventdispatcher_glib.cpp:263
#4  0x00007fb16a6b1a61 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb16a6b1f7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fb16a6b20ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fb173a607be in QEventDispatcherGlib::processEvents (this=0x7fb0a80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#8  0x00007fb173a320af in QEventLoop::processEvents (this=this@entry=0x7fb0b3ffede0, flags=...) at kernel/qeventloop.cpp:149
#9  0x00007fb173a323a5 in QEventLoop::exec (this=this@entry=0x7fb0b3ffede0, flags=...) at kernel/qeventloop.cpp:204
#10 0x00007fb17392ec5f in QThread::exec (this=this@entry=0x1341e50) at thread/qthread.cpp:537
#11 0x00007fb173a13823 in QInotifyFileSystemWatcherEngine::run (this=0x1341e50) at io/qfilesystemwatcher_inotify.cpp:265
#12 0x00007fb17393132f in QThreadPrivate::start (arg=0x1341e50) at thread/qthread_unix.cpp:349
#13 0x00007fb16adc3184 in start_thread (arg=0x7fb0b3fff700) at pthread_create.c:312
#14 0x00007fb176e8637d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7fb17758b7c0 (LWP 2331)):
[KCrash Handler]
#6  QHashData::nextNode (node=0xd82890) at tools/qhash.cpp:294
#7  0x00007fb173dbaa35 in operator++ (this=0x7ffd6a4e83d0) at ../../include/QtCore/../../src/corelib/tools/qhash.h:355
#8  QDBusConnectionPrivate::objectDestroyed (this=0xde4990, obj=0x7ffd6a4e8680) at qdbusintegrator.cpp:1185
#9  0x00007fb173df9cac in QDBusConnectionPrivate::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at .moc/release-shared/moc_qdbusconnection_p.cpp:77
#10 0x00007fb173a4787a in QMetaObject::activate (sender=sender@entry=0x7ffd6a4e8680, m=m@entry=0x7fb173d94c40 <QObject::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd6a4e8540) at kernel/qobject.cpp:3539
#11 0x00007fb173a4827f in QObject::destroyed (this=this@entry=0x7ffd6a4e8680, _t1=_t1@entry=0x7ffd6a4e8680) at .moc/release-shared/moc_qobject.cpp:148
#12 0x00007fb173a4c193 in QObject::~QObject (this=0x7ffd6a4e8680, __in_chrg=<optimized out>) at kernel/qobject.cpp:843
#13 0x00007fb16f02bbdf in Solid::Backends::UPower::UPowerDevice::~UPowerDevice (this=0x7ffd6a4e8670, __in_chrg=<optimized out>) at ../../../solid/solid/backends/upower/upowerdevice.cpp:55
#14 0x00007fb16f028ad3 in Solid::Backends::UPower::UPowerManager::devicesFromQuery (this=0x17f4bc0, parentUdi=..., type=Solid::DeviceInterface::Battery) at ../../../solid/solid/backends/upower/upowermanager.cpp:134
#15 0x00007fb16efd929f in Solid::Device::listFromType (type=@0x7ffd6a4e8900: Solid::DeviceInterface::Battery, parentUdi=...) at ../../../solid/solid/devicemanager.cpp:112
#16 0x00007fb1416b9f4c in systemIcon (this=0x18e62e0) at ../../../../../plasma/desktop/applets/kickoff/ui/launcher.cpp:321
#17 setupSystemView (this=0x18e62e0) at ../../../../../plasma/desktop/applets/kickoff/ui/launcher.cpp:278
#18 initTabs (this=0x18e62e0) at ../../../../../plasma/desktop/applets/kickoff/ui/launcher.cpp:162
#19 Kickoff::Launcher::init (this=this@entry=0x18dbc00) at ../../../../../plasma/desktop/applets/kickoff/ui/launcher.cpp:553
#20 0x00007fb1416bc36f in Kickoff::Launcher::Launcher (this=0x18dbc00, applet=0x1212350) at ../../../../../plasma/desktop/applets/kickoff/ui/launcher.cpp:522
#21 0x00007fb1416c32e2 in LauncherApplet::Private::createLauncher (this=0x1184480) at ../../../../../plasma/desktop/applets/kickoff/applet/applet.cpp:73
#22 0x00007fb1416c335d in createLauncher (this=<optimized out>) at ../../../../../plasma/desktop/applets/kickoff/applet/applet.cpp:241
#23 LauncherApplet::widget (this=0x1212350) at ../../../../../plasma/desktop/applets/kickoff/applet/applet.cpp:239
#24 0x00007fb1769ce5fe in Plasma::PopupAppletPrivate::popupConstraintsEvent (this=0x1184570, constraints=...) at ../../plasma/popupapplet.cpp:230
#25 0x00007fb176975f47 in Plasma::Applet::flushPendingConstraintsEvents (this=0x1212350) at ../../plasma/applet.cpp:1361
#26 0x00007fb176992978 in Plasma::ContainmentPrivate::initApplets (this=0x1092880) at ../../plasma/containment.cpp:467
#27 0x00007fb17699f7cc in Plasma::CoronaPrivate::importLayout (this=0xdcd380, conf=..., mergeConfig=mergeConfig@entry=false) at ../../plasma/corona.cpp:1070
#28 0x00007fb1769a01ca in Plasma::Corona::loadLayout (this=this@entry=0xdc4be0, configName=...) at ../../plasma/corona.cpp:281
#29 0x00007fb1769a0284 in Plasma::Corona::initializeLayout (this=this@entry=0xdc4be0, configName=...) at ../../plasma/corona.cpp:182
#30 0x00007fb1771a22b5 in PlasmaApp::corona (this=this@entry=0xace070, createIfMissing=createIfMissing@entry=true) at ../../../../plasma/desktop/shell/plasmaapp.cpp:856
#31 0x00007fb1771a28c5 in PlasmaApp::setupDesktop (this=0xace070) at ../../../../plasma/desktop/shell/plasmaapp.cpp:314
#32 0x00007fb1771a6c05 in PlasmaApp::qt_static_metacall (_o=0xace070, _id=808464437, _a=0x1, _c=<optimized out>) at ./plasmaapp.moc:128
#33 0x00007fb173a4bc1e in QObject::event (this=this@entry=0xace070, e=e@entry=0xd6b6b0) at kernel/qobject.cpp:1194
#34 0x00007fb173a37cfc in QCoreApplication::event (this=this@entry=0xace070, e=e@entry=0xd6b6b0) at kernel/qcoreapplication.cpp:1765
#35 0x00007fb172dd1ed3 in QApplication::event (this=0xace070, e=0xd6b6b0) at kernel/qapplication.cpp:2549
#36 0x00007fb172dcce2c in QApplicationPrivate::notify_helper (this=this@entry=0xad84b0, receiver=receiver@entry=0xace070, e=e@entry=0xd6b6b0) at kernel/qapplication.cpp:4567
#37 0x00007fb172dd34a0 in QApplication::notify (this=this@entry=0xace070, receiver=receiver@entry=0xace070, e=e@entry=0xd6b6b0) at kernel/qapplication.cpp:4353
#38 0x00007fb1746f380a in KApplication::notify (this=0xace070, receiver=0xace070, event=0xd6b6b0) at ../../kdeui/kernel/kapplication.cpp:311
#39 0x00007fb173a334dd in QCoreApplication::notifyInternal (this=0xace070, receiver=receiver@entry=0xace070, event=event@entry=0xd6b6b0) at kernel/qcoreapplication.cpp:953
#40 0x00007fb173a36b3d in sendEvent (event=0xd6b6b0, receiver=0xace070) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#41 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xa4d090) at kernel/qcoreapplication.cpp:1577
#42 0x00007fb173a36fe3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1470
#43 0x00007fb173a60f83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#44 postEventSourceDispatch (s=0xae7520) at kernel/qeventdispatcher_glib.cpp:287
#45 0x00007fb16a6b1e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007fb16a6b2048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007fb16a6b20ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007fb173a607a1 in QEventDispatcherGlib::processEvents (this=0xad7b40, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#49 0x00007fb172e6ebe6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007fb173a320af in QEventLoop::processEvents (this=this@entry=0x7ffd6a4e97e0, flags=...) at kernel/qeventloop.cpp:149
#51 0x00007fb173a323a5 in QEventLoop::exec (this=this@entry=0x7ffd6a4e97e0, flags=...) at kernel/qeventloop.cpp:204
#52 0x00007fb173a37b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#53 0x00007fb172dcb37c in QApplication::exec () at kernel/qapplication.cpp:3828
#54 0x00007fb17718d624 in kdemain (argc=1, argv=0x7ffd6a4e9a38) at ../../../../plasma/desktop/shell/main.cpp:126
#55 0x00007fb176dadf45 in __libc_start_main (main=0x4006f0 <main(int, char**)>, argc=1, argv=0x7ffd6a4e9a38, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd6a4e9a28) at libc-start.c:287
#56 0x000000000040071e in _start ()

Possible duplicates by query: bug 336905.

Reported using DrKonqi