Application: kded4 (4.13.1)
KDE Platform Version: 4.13.1
Qt Version: 4.8.6
Operating System: Linux 3.14-1-amd64 x86_64
Distribution: Debian GNU/Linux testing (jessie)

-- Information about the crash:
- What I was doing when the application crashed:
Lock the screen, turned monitors power off
Next day turned monitors power on

Currently used nvidia packages
ii  glx-alternative-nvidia                0.4.1                              amd64        allows the selection of NVIDIA as GLX provider
ii  libgl1-nvidia-glx:amd64               331.67-2                           amd64        NVIDIA binary OpenGL libraries
ii  libnvidia-ml1:amd64                   331.67-2                           amd64        NVIDIA Management Library (NVML) runtime library
ii  nvidia-alternative                    331.67-2                           amd64        allows the selection of NVIDIA as GLX provider
ii  nvidia-detect                         331.67-2                           amd64        NVIDIA GPU detection utility
ii  nvidia-driver                         331.67-2                           amd64        NVIDIA metapackage
ii  nvidia-glx                            331.67-2                           amd64        transition to nvidia-driver
ii  nvidia-installer-cleanup              20131102+1                         amd64        cleanup after driver installation with the nvidia-installer
ii  nvidia-kernel-common                  20131102+1                         amd64        NVIDIA binary kernel module support files
ii  nvidia-kernel-dkms                    331.67-2                           amd64        NVIDIA binary kernel module DKMS source
ii  nvidia-kernel-source                  331.67-2                           amd64        NVIDIA binary kernel module source
ii  nvidia-modprobe                       334.16-1                           amd64        utility to load NVIDIA kernel modules and create device nodes
ii  nvidia-support                        20131102+1                         amd64        NVIDIA binary graphics driver support files
ii  nvidia-vdpau-driver:amd64             331.67-2                           amd64        NVIDIA vdpau driver
ii  nvidia-xconfig                        331.67-1                           amd64        X configuration tool for non-free NVIDIA drivers
ii  xserver-xorg-video-nvidia             331.67-2                           amd64        NVIDIA binary Xorg driver

-- 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 0x7f7c07cf0780 (LWP 4040))]

Thread 3 (Thread 0x7f7bde9fe700 (LWP 4065)):
#0  __libc_enable_asynccancel () at ../nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S:65
#1  0x00007f7c05521902 in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f7c02428fe4 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f7bbc0010e0, timeout=-1, context=0x2a1af10) at /tmp/buildd/glib2.0-2.40.0/./glib/gmain.c:4028
#3  g_main_context_iterate (context=0x2a1af10, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.40.0/./glib/gmain.c:3729
#4  0x00007f7c0242930a in g_main_loop_run (loop=0x2a1aea0) at /tmp/buildd/glib2.0-2.40.0/./glib/gmain.c:3928
#5  0x00007f7bdece2e16 in gdbus_shared_thread_func (user_data=0x2a1aee0) at /tmp/buildd/glib2.0-2.40.0/./gio/gdbusprivate.c:273
#6  0x00007f7c0244df15 in g_thread_proxy (data=0x2a14850) at /tmp/buildd/glib2.0-2.40.0/./glib/gthread.c:764
#7  0x00007f7c02d14062 in start_thread (arg=0x7f7bde9fe700) at pthread_create.c:312
#8  0x00007f7c0552cc1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f7bddff1700 (LWP 4112)):
#0  0x00007f7c0552190d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7c02428fe4 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f7bac002ba0, timeout=-1, context=0x7f7bac0009c0) at /tmp/buildd/glib2.0-2.40.0/./glib/gmain.c:4028
#2  g_main_context_iterate (context=context@entry=0x7f7bac0009c0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.40.0/./glib/gmain.c:3729
#3  0x00007f7c024290ec in g_main_context_iteration (context=0x7f7bac0009c0, may_block=1) at /tmp/buildd/glib2.0-2.40.0/./glib/gmain.c:3795
#4  0x00007f7c06951676 in QEventDispatcherGlib::processEvents (this=0x7f7bac0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#5  0x00007f7c06922fef in QEventLoop::processEvents (this=this@entry=0x7f7bddff0e20, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f7c069232e5 in QEventLoop::exec (this=this@entry=0x7f7bddff0e20, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f7c0681fbef in QThread::exec (this=this@entry=0x2a06d60) at thread/qthread.cpp:538
#8  0x00007f7c06904763 in QInotifyFileSystemWatcherEngine::run (this=0x2a06d60) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f7c068222bf in QThreadPrivate::start (arg=0x2a06d60) at thread/qthread_unix.cpp:349
#10 0x00007f7c02d14062 in start_thread (arg=0x7f7bddff1700) at pthread_create.c:312
#11 0x00007f7c0552cc1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f7c07cf0780 (LWP 4040)):
[KCrash Handler]
#6  KScreen::Output::id (this=0x0) at /tmp/buildd/libkscreen-1.0.3/src/output.cpp:151
#7  0x00007f7be91a3cb6 in XRandRConfig::toKScreenConfig (this=0x28c7830) at /tmp/buildd/libkscreen-1.0.3/backends/xrandr/xrandrconfig.cpp:128
#8  0x00007f7be97f1efe in KScreenDaemon::saveCurrentConfig (this=<optimized out>) at /tmp/buildd/kscreen-1.0.2.1/kded/daemon.cpp:131
#9  0x00007f7c069386aa in QMetaObject::activate (sender=0x28d44f0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3567
#10 0x00007f7c0693c861 in QObject::event (this=0x28d44f0, e=<optimized out>) at kernel/qobject.cpp:1184
#11 0x00007f7c05cc46cc in QApplicationPrivate::notify_helper (this=this@entry=0x2794f30, receiver=receiver@entry=0x28d44f0, e=e@entry=0x7fffa2ce4780) at kernel/qapplication.cpp:4570
#12 0x00007f7c05ccacfd in QApplication::notify (this=this@entry=0x7fffa2ce4b20, receiver=receiver@entry=0x28d44f0, e=e@entry=0x7fffa2ce4780) at kernel/qapplication.cpp:4356
#13 0x00007f7c076dc8da in KApplication::notify (this=0x7fffa2ce4b20, receiver=0x28d44f0, event=0x7fffa2ce4780) at ../../kdeui/kernel/kapplication.cpp:311
#14 0x00007f7c0692441d in QCoreApplication::notifyInternal (this=0x7fffa2ce4b20, receiver=0x28d44f0, event=0x7fffa2ce4780) at kernel/qcoreapplication.cpp:953
#15 0x00007f7c06954133 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#16 QTimerInfoList::activateTimers (this=0x27953b0) at kernel/qeventdispatcher_unix.cpp:621
#17 0x00007f7c06951421 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:186
#18 0x00007f7c02428e04 in g_main_dispatch (context=0x2795170) at /tmp/buildd/glib2.0-2.40.0/./glib/gmain.c:3064
#19 g_main_context_dispatch (context=context@entry=0x2795170) at /tmp/buildd/glib2.0-2.40.0/./glib/gmain.c:3663
#20 0x00007f7c02429048 in g_main_context_iterate (context=context@entry=0x2795170, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.40.0/./glib/gmain.c:3734
#21 0x00007f7c024290ec in g_main_context_iteration (context=0x2795170, may_block=1) at /tmp/buildd/glib2.0-2.40.0/./glib/gmain.c:3795
#22 0x00007f7c06951655 in QEventDispatcherGlib::processEvents (this=0x255a6d0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#23 0x00007f7c05d627c6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f7c06922fef in QEventLoop::processEvents (this=this@entry=0x7fffa2ce49f0, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f7c069232e5 in QEventLoop::exec (this=this@entry=0x7fffa2ce49f0, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f7c06928ab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#27 0x00007f7c05cc2e8c in QApplication::exec () at kernel/qapplication.cpp:3828
#28 0x00007f7bf0234d0b in kdemain (argc=1, argv=0x2780f90) at ../../kded/kded.cpp:940
#29 0x00000000004083ee in launch (argc=argc@entry=1, _name=_name@entry=0x40afc7 "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=0x40ae56 "0") at ../../kinit/kinit.cpp:738
#30 0x00000000004059a3 in main (argc=4, argv=<optimized out>, envp=0x7fffa2ce5280) at ../../kinit/kinit.cpp:1853

Reported using DrKonqi