Application: kded4 (4.13.0)
KDE Platform Version: 4.13.0
Qt Version: 4.8.6
Operating System: Linux 3.13.0-24-generic x86_64
Distribution: Ubuntu 14.04 LTS

-- Information about the crash:
I woke up my laptop computer from suspend-to-RAM, unlocked the screen, and the bug reporting assistant reported that the KDE deamn has crashed although everything seems to work as it should

-- Backtrace:
Application: KDE Daemon (kded4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f83b55467c0 (LWP 4373))]

Thread 7 (Thread 0x7f8397682700 (LWP 4375)):
#0  0x00007f83afeb4488 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f83afeb662b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f83afeb6f03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f83afeb70ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f83b41f27be in QEventDispatcherGlib::processEvents (this=0x7f83900008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#5  0x00007f83b41c40af in QEventLoop::processEvents (this=this@entry=0x7f8397681e20, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f83b41c43a5 in QEventLoop::exec (this=this@entry=0x7f8397681e20, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f83b40c0c5f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:537
#8  0x00007f83b40c332f in QThreadPrivate::start (arg=0xa7d9d0) at thread/qthread_unix.cpp:349
#9  0x00007f83b0599182 in start_thread (arg=0x7f8397682700) at pthread_create.c:312
#10 0x00007f83b2dc630d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7f838e75e700 (LWP 4382)):
#0  0x00007f83b2db76bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f83a1444e41 in ?? () from /usr/lib/nvidia-331/tls/libnvidia-tls.so.331.38
#2  0x00007f83afef7c20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f83afeb6b14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f83afeb6f7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f83afeb70ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f83b41f27be in QEventDispatcherGlib::processEvents (this=0x7f83880008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#7  0x00007f83b41c40af in QEventLoop::processEvents (this=this@entry=0x7f838e75dde0, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f83b41c43a5 in QEventLoop::exec (this=this@entry=0x7f838e75dde0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f83b40c0c5f in QThread::exec (this=this@entry=0xad8bc0) at thread/qthread.cpp:537
#10 0x00007f83b41a5823 in QInotifyFileSystemWatcherEngine::run (this=0xad8bc0) at io/qfilesystemwatcher_inotify.cpp:265
#11 0x00007f83b40c332f in QThreadPrivate::start (arg=0xad8bc0) at thread/qthread_unix.cpp:349
#12 0x00007f83b0599182 in start_thread (arg=0x7f838e75e700) at pthread_create.c:312
#13 0x00007f83b2dc630d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f8376bff700 (LWP 4401)):
#0  0x00007f83b2db76bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f83a1444e41 in ?? () from /usr/lib/nvidia-331/tls/libnvidia-tls.so.331.38
#2  0x00007f83afef7c20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f83afeb6b14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f83afeb6f7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f83afeb730a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f8377107e16 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007f83afedbf15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f83b0599182 in start_thread (arg=0x7f8376bff700) at pthread_create.c:312
#9  0x00007f83b2dc630d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f83761f2700 (LWP 4402)):
#0  0x00007f83b2db76bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f83a1444e41 in ?? () from /usr/lib/nvidia-331/tls/libnvidia-tls.so.331.38
#2  0x00007f83afef7c20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f83afeb6b14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f83afeb6f7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f83afeb70ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f83b41f27be in QEventDispatcherGlib::processEvents (this=0x7f83500008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#7  0x00007f83b41c40af in QEventLoop::processEvents (this=this@entry=0x7f83761f1de0, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f83b41c43a5 in QEventLoop::exec (this=this@entry=0x7f83761f1de0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f83b40c0c5f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:537
#10 0x00007f8394c89027 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#11 0x00007f83b40c332f in QThreadPrivate::start (arg=0xa93da0) at thread/qthread_unix.cpp:349
#12 0x00007f83b0599182 in start_thread (arg=0x7f83761f2700) at pthread_create.c:312
#13 0x00007f83b2dc630d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f83759f1700 (LWP 4403)):
#0  0x00007f83b2db8fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f83afeb6fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f83afeb70ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f83b41f27be in QEventDispatcherGlib::processEvents (this=0x7f83540008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007f83b41c40af in QEventLoop::processEvents (this=this@entry=0x7f83759f0e20, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f83b41c43a5 in QEventLoop::exec (this=this@entry=0x7f83759f0e20, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f83b40c0c5f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:537
#7  0x00007f83b40c332f in QThreadPrivate::start (arg=0xd59b90) at thread/qthread_unix.cpp:349
#8  0x00007f83b0599182 in start_thread (arg=0x7f83759f1700) at pthread_create.c:312
#9  0x00007f83b2dc630d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f8374972700 (LWP 4427)):
#0  0x00007f83b2db76bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f83a1444e41 in ?? () from /usr/lib/nvidia-331/tls/libnvidia-tls.so.331.38
#2  0x00007f83afef7c20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f83afeb6b14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f83afeb6f7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f83afeb70ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f83b41f27be in QEventDispatcherGlib::processEvents (this=0x7f83400008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#7  0x00007f83b41c40af in QEventLoop::processEvents (this=this@entry=0x7f8374971de0, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f83b41c43a5 in QEventLoop::exec (this=this@entry=0x7f8374971de0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f83b40c0c5f in QThread::exec (this=this@entry=0x1038fa0) at thread/qthread.cpp:537
#10 0x00007f83b41a5823 in QInotifyFileSystemWatcherEngine::run (this=0x1038fa0) at io/qfilesystemwatcher_inotify.cpp:265
#11 0x00007f83b40c332f in QThreadPrivate::start (arg=0x1038fa0) at thread/qthread_unix.cpp:349
#12 0x00007f83b0599182 in start_thread (arg=0x7f8374972700) at pthread_create.c:312
#13 0x00007f83b2dc630d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f83b55467c0 (LWP 4373)):
[KCrash Handler]
#6  0x00007f83aa508647 in Solid::Backends::UPower::Battery::slotChanged (this=0x2ffdab0) at ../../../solid/solid/backends/upower/upowerbattery.cpp:149
#7  0x00007f83b41d987a in QMetaObject::activate (sender=0x2f37520, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#8  0x00007f83b41d987a in QMetaObject::activate (sender=sender@entry=0x2f37530, m=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff45aeaa80) at kernel/qobject.cpp:3539
#9  0x00007f83b1559a82 in QDBusInterfacePrivate::metacall (this=0x3914920, c=<optimized out>, id=0, argv=0x7fff45aeaa80) at qdbusinterface.cpp:278
#10 0x00007f83b15471f6 in QDBusConnectionPrivate::deliverCall (this=0x965910, object=0x2f37530, msg=..., metaTypes=..., slotIdx=5) at qdbusintegrator.cpp:951
#11 0x00007f83b41ddc1e in QObject::event (this=0x2f37530, e=<optimized out>) at kernel/qobject.cpp:1194
#12 0x00007f83b355ee2c in QApplicationPrivate::notify_helper (this=this@entry=0x8b27f0, receiver=receiver@entry=0x2f37530, e=e@entry=0x9db890) at kernel/qapplication.cpp:4567
#13 0x00007f83b35654a0 in QApplication::notify (this=this@entry=0x7fff45aeb250, receiver=receiver@entry=0x2f37530, e=e@entry=0x9db890) at kernel/qapplication.cpp:4353
#14 0x00007f83b4f44baa in KApplication::notify (this=0x7fff45aeb250, receiver=0x2f37530, event=0x9db890) at ../../kdeui/kernel/kapplication.cpp:311
#15 0x00007f83b41c54dd in QCoreApplication::notifyInternal (this=0x7fff45aeb250, receiver=receiver@entry=0x2f37530, event=event@entry=0x9db890) at kernel/qcoreapplication.cpp:953
#16 0x00007f83b41c8b3d in sendEvent (event=0x9db890, receiver=0x2f37530) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x670150) at kernel/qcoreapplication.cpp:1577
#18 0x00007f83b41c8fe3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1470
#19 0x00007f83b41f2f83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#20 postEventSourceDispatch (s=0x8b0c90) at kernel/qeventdispatcher_glib.cpp:287
#21 0x00007f83afeb6e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f83afeb7048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f83afeb70ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f83b41f27a1 in QEventDispatcherGlib::processEvents (this=0x6726d0, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#25 0x00007f83b3600bb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#26 0x00007f83b41c40af in QEventLoop::processEvents (this=this@entry=0x7fff45aeb120, flags=...) at kernel/qeventloop.cpp:149
#27 0x00007f83b41c43a5 in QEventLoop::exec (this=this@entry=0x7fff45aeb120, flags=...) at kernel/qeventloop.cpp:204
#28 0x00007f83b41c9b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#29 0x00007f83b355d37c in QApplication::exec () at kernel/qapplication.cpp:3828
#30 0x00007f839cfdad1b in kdemain (argc=1, argv=0x89ab50) at ../../kded/kded.cpp:940
#31 0x00000000004083ee in launch (argc=argc@entry=1, _name=_name@entry=0x40afc5 "kded4", args=args@entry=0x0, cwd=cwd@entry=0x0, envc=envc@entry=0, envs=<optimized out>, envs@entry=0x0, reset_env=reset_env@entry=false, tty=tty@entry=0x0, avoid_loops=avoid_loops@entry=false, startup_id_str=startup_id_str@entry=0x40aead "0") at ../../kinit/kinit.cpp:738
#32 0x00000000004059a3 in main (argc=4, argv=<optimized out>, envp=0x7fff45aeb9b0) at ../../kinit/kinit.cpp:1853

The reporter indicates this bug may be a duplicate of or related to bug 288410.

Possible duplicates by query: bug 333679, bug 333490, bug 333202, bug 333052, bug 332299.

Reported using DrKonqi