Application: kded5 ()

Qt Version: 5.4.1
Operating System: Linux 3.19.0-28-generic x86_64
Distribution: Ubuntu 15.04

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

When I try to connect a monitor to my laptop using an adapter from DVI to HDMI tht crash error appears. It happens always and all the time while I have the monitor connected.

The crash can be reproduced every time.

-- Backtrace:
Application: kded5 (kded5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6ef6682780 (LWP 1838))]

Thread 4 (Thread 0x7f6eea34e700 (LWP 1839)):
#0  0x00007f6ef603e8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f6ef0d98b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f6ef0d9a64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f6ef65f2099 in QXcbEventReader::run (this=0x24371b0) at qxcbconnection.cpp:1105
#4  0x00007f6ef4348b0e in QThreadPrivate::start (arg=0x24371b0) at thread/qthread_unix.cpp:337
#5  0x00007f6ef3d7f6aa in start_thread (arg=0x7f6eea34e700) at pthread_create.c:333
#6  0x00007f6ef6049eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f6ec1663700 (LWP 1849)):
#0  0x00007f6ef603e8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f6ef3860ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6ef3860fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6ef45dfc6c in QEventDispatcherGlib::processEvents (this=0x7f6eb80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f6ef45843e2 in QEventLoop::exec (this=this@entry=0x7f6ec1662e00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f6ef4343b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f6ed05d5cf7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f6ef4348b0e in QThreadPrivate::start (arg=0x256be80) at thread/qthread_unix.cpp:337
#8  0x00007f6ef3d7f6aa in start_thread (arg=0x7f6ec1663700) at pthread_create.c:333
#9  0x00007f6ef6049eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f6ec0e62700 (LWP 1854)):
#0  0x00007f6ef605838b in __GI___clock_gettime (clock_id=1, tp=0x7f6ec0e61ba0) at ../sysdeps/unix/clock_gettime.c:115
#1  0x00007f6ef43fecb6 in qt_clock_gettime (ts=0x7f6ec0e61ba0, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#2  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:170
#4  0x00007f6ef45dd639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f6eb0002cd0) at kernel/qtimerinfo_unix.cpp:84
#5  0x00007f6ef45ddba5 in QTimerInfoList::timerWait (this=0x7f6eb0002cd0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#6  0x00007f6ef45df03e in timerSourcePrepareHelper (timeout=0x7f6ec0e61c74, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#7  timerSourcePrepare (source=<optimized out>, timeout=0x7f6ec0e61c74) at kernel/qeventdispatcher_glib.cpp:160
#8  0x00007f6ef38603fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f6ef3860de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f6ef3860fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f6ef45dfc6c in QEventDispatcherGlib::processEvents (this=0x7f6eb00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#12 0x00007f6ef45843e2 in QEventLoop::exec (this=this@entry=0x7f6ec0e61e40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007f6ef4343b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#14 0x00007f6ef4348b0e in QThreadPrivate::start (arg=0x26627a0) at thread/qthread_unix.cpp:337
#15 0x00007f6ef3d7f6aa in start_thread (arg=0x7f6ec0e62700) at pthread_create.c:333
#16 0x00007f6ef6049eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f6ef6682780 (LWP 1838)):
[KCrash Handler]
#6  KScreen::Output::id (this=0x0) at ../../src/output.cpp:146
#7  0x00007f6ed8d1c4eb in Generator::laptop (this=0x269ec80, connectedOutputs=...) at ../../kded/generator.cpp:436
#8  0x00007f6ed8d1d55b in Generator::idealConfig (this=0x269ec80, currentConfig=...) at ../../kded/generator.cpp:106
#9  0x00007f6ed8d0e0b8 in KScreenDaemon::applyIdealConfig (this=0x2522670) at ../../kded/daemon.cpp:166
#10 0x00007f6ed8d0e48f in KScreenDaemon::applyConfig (this=0x2522670) at ../../kded/daemon.cpp:147
#11 0x00007f6ef45b735a in call (a=0x7ffc52388ed0, r=0x2522670, this=0x2708dd0) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#12 QMetaObject::activate (sender=sender@entry=0x2520340, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3702
#13 0x00007f6ef45b8057 in QMetaObject::activate (sender=sender@entry=0x2520340, m=m@entry=0x7f6ef47e1580 <QTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3582
#14 0x00007f6ef4637610 in QTimer::timeout (this=this@entry=0x2520340) at .moc/moc_qtimer.cpp:192
#15 0x00007f6ef45c5918 in QTimer::timerEvent (this=0x2520340, e=<optimized out>) at kernel/qtimer.cpp:247
#16 0x00007f6ef45b86f3 in QObject::event (this=0x2520340, e=<optimized out>) at kernel/qobject.cpp:1267
#17 0x00007f6ef59f7b2c in QApplicationPrivate::notify_helper (this=0x241fdc0, receiver=0x2520340, e=0x7ffc52389240) at kernel/qapplication.cpp:3720
#18 0x00007f6ef59fd000 in QApplication::notify (this=0x7ffc52389570, receiver=0x2520340, e=0x7ffc52389240) at kernel/qapplication.cpp:3503
#19 0x00007f6ef4586c2b in QCoreApplication::notifyInternal (this=0x7ffc52389570, receiver=0x2520340, event=event@entry=0x7ffc52389240) at kernel/qcoreapplication.cpp:935
#20 0x00007f6ef45deae5 in sendEvent (event=0x7ffc52389240, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#21 QTimerInfoList::activateTimers (this=0x246ac20) at kernel/qtimerinfo_unix.cpp:635
#22 0x00007f6ef45def61 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#23 0x00007f6ef3860c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f6ef3860f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f6ef3860fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f6ef45dfc57 in QEventDispatcherGlib::processEvents (this=0x246ac80, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#27 0x00007f6ef45843e2 in QEventLoop::exec (this=this@entry=0x7ffc52389490, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#28 0x00007f6ef458c02c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#29 0x00007f6ef4b2831c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#30 0x00007f6ef59f37a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#31 0x00007f6ef631a321 in kdemain (argc=1, argv=<optimized out>) at ../../src/kded.cpp:846
#32 0x00007f6ef5f63a40 in __libc_start_main (main=0x400720 <main(int, char**)>, argc=1, argv=0x7ffc523896d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc523896c8) at libc-start.c:289
#33 0x0000000000400759 in _start ()

Reported using DrKonqi