Bug 321371 - KDED crashed
Summary: KDED crashed
Status: RESOLVED DUPLICATE of bug 321690
Alias: None
Product: solid
Classification: Frameworks and Libraries
Component: powermanagement-daemon (show other bugs)
Version: 4.10.80
Platform: openSUSE Linux
: NOR crash
Target Milestone: ---
Assignee: Dario Freddi
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2013-06-19 12:06 UTC by Claudiu Nicolaie CISMARU
Modified: 2013-07-29 18:27 UTC (History)
2 users (show)

See Also:
Latest Commit:
Version Fixed In:

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Description Claudiu Nicolaie CISMARU 2013-06-19 12:06:29 UTC 
Application: kded4 (4.10.80)
KDE Platform Version: 4.10.80
Qt Version: 4.8.4
Operating System: Linux 3.7.10-1.11-desktop x86_64
Distribution: "openSUSE 12.3 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
Nothing. I was away from computer.
The version is the lastest on openSUSE KDE factory (needed for KDevelop 4.5.1).

-- Backtrace:
Application: KDE Daemon (kded4), signal: Floating point exception
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6a258d1780 (LWP 908))]

Thread 5 (Thread 0x7f69fe907700 (LWP 953)):
#0  0x00007f6a22f0a87d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f6a1fe55aa4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f6a1fe55f02 in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f69febe2ba6 in ?? () from /usr/lib64/libgio-2.0.so.0
#4  0x00007f6a1fe79345 in ?? () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f6a2419de0f in start_thread (arg=0x7f69fe907700) at pthread_create.c:308
#6  0x00007f6a22f137dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f69fdefa700 (LWP 954)):
#0  0x00007f6a2419fe25 in __GI___pthread_mutex_lock (mutex=0x7f69e4000a80) at pthread_mutex_lock.c:95
#1  0x00007f6a1fe92a71 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f6a1fe555b7 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f6a1fe55a42 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f6a1fe55bc4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f6a2455e2e6 in QEventDispatcherGlib::processEvents (this=0x7f69e40008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f6a2452eadf in QEventLoop::processEvents (this=this@entry=0x7f69fdef9dc0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f6a2452ed68 in QEventLoop::exec (this=0x7f69fdef9dc0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f6a244310f0 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f6a08faf635 in KCupsConnection::run() () from /usr/lib64/libkcupslib.so
#10 0x00007f6a244340cc in QThreadPrivate::start (arg=0x2836d50) at thread/qthread_unix.cpp:338
#11 0x00007f6a2419de0f in start_thread (arg=0x7f69fdefa700) at pthread_create.c:308
#12 0x00007f6a22f137dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f69fd6f9700 (LWP 955)):
#0  0x00007f6a1fe552cf in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f6a1fe559cb in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f6a1fe55bc4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f6a2455e2e6 in QEventDispatcherGlib::processEvents (this=0x7f69d80008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f6a2452eadf in QEventLoop::processEvents (this=this@entry=0x7f69fd6f8e00, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6a2452ed68 in QEventLoop::exec (this=0x7f69fd6f8e00, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f6a244310f0 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x00007f6a244340cc in QThreadPrivate::start (arg=0x2794ce0) at thread/qthread_unix.cpp:338
#8  0x00007f6a2419de0f in start_thread (arg=0x7f69fd6f9700) at pthread_create.c:308
#9  0x00007f6a22f137dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f69fcef8700 (LWP 956)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007f6a2419ff47 in _L_lock_1027 () from /lib64/libpthread.so.0
#2  0x00007f6a2419fdd9 in __GI___pthread_mutex_lock (mutex=0x7f6a14eec5a0) at pthread_mutex_lock.c:85
#3  0x00007f6a14c7ceac in ?? () from /usr/X11R6/lib64/libGL.so.1
#4  0x00007f6a14c83e4e in ?? () from /usr/X11R6/lib64/libGL.so.1
#5  0x00007f6a14c841fb in ?? () from /usr/X11R6/lib64/libGL.so.1
#6  0x00007f6a13abae80 in ?? () from /usr/lib64/tls/libnvidia-tls.so.319.17
#7  0x00007f6a1fe91e0f in ?? () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f6a1fe55634 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#9  0x00007f6a1fe55a42 in ?? () from /usr/lib64/libglib-2.0.so.0
#10 0x00007f6a1fe55bc4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#11 0x00007f6a2455e2e6 in QEventDispatcherGlib::processEvents (this=0x7f69dc0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0x00007f6a2452eadf in QEventLoop::processEvents (this=this@entry=0x7f69fcef7dd0, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007f6a2452ed68 in QEventLoop::exec (this=0x7f69fcef7dd0, flags=...) at kernel/qeventloop.cpp:204
#14 0x00007f6a244310f0 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#15 0x00007f6a2450f29f in QInotifyFileSystemWatcherEngine::run (this=0x27a9690) at io/qfilesystemwatcher_inotify.cpp:256
#16 0x00007f6a244340cc in QThreadPrivate::start (arg=0x27a9690) at thread/qthread_unix.cpp:338
#17 0x00007f6a2419de0f in start_thread (arg=0x7f69fcef8700) at pthread_create.c:308
#18 0x00007f6a22f137dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f6a258d1780 (LWP 908)):
[KCrash Handler]
#6  0x00007f6a0a54693e in PowerDevilUPowerBackend::onDeviceChanged(UdevQt::Device const&) () from /usr/lib64/kde4/kded_powerdevil.so
#7  0x00007f6a2454529f in QMetaObject::activate (sender=0x28556f0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff55c6dc20) at kernel/qobject.cpp:3548
#8  0x00007f6a0a54d285 in ?? () from /usr/lib64/kde4/kded_powerdevil.so
#9  0x00007f6a0a54d3e6 in ?? () from /usr/lib64/kde4/kded_powerdevil.so
#10 0x00007f6a2454529f in QMetaObject::activate (sender=0x27a29a0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff55c6ddb0) at kernel/qobject.cpp:3548
#11 0x00007f6a2459052e in QSocketNotifier::activated (this=<optimized out>, _t1=25) at .moc/release-shared/moc_qsocketnotifier.cpp:103
#12 0x00007f6a2454ccfb in QSocketNotifier::event (this=0x27a29a0, e=0x7fff55c6e3d0) at kernel/qsocketnotifier.cpp:317
#13 0x00007f6a236bd86c in QApplicationPrivate::notify_helper (this=this@entry=0x24fedb0, receiver=receiver@entry=0x27a29a0, e=e@entry=0x7fff55c6e3d0) at kernel/qapplication.cpp:4562
#14 0x00007f6a236c1ceb in QApplication::notify (this=0x7fff55c6e890, receiver=0x27a29a0, e=0x7fff55c6e3d0) at kernel/qapplication.cpp:4423
#15 0x00007f6a252d07c6 in KApplication::notify (this=0x7fff55c6e890, receiver=0x27a29a0, event=0x7fff55c6e3d0) at /usr/src/debug/kdelibs-4.10.80/kdeui/kernel/kapplication.cpp:311
#16 0x00007f6a2452fd8e in QCoreApplication::notifyInternal (this=0x7fff55c6e890, receiver=0x27a29a0, event=0x7fff55c6e3d0) at kernel/qcoreapplication.cpp:946
#17 0x00007f6a2455dac8 in sendEvent (event=0x7fff55c6e3d0, receiver=<optimized out>) at kernel/qcoreapplication.h:231
#18 socketNotifierSourceDispatch (source=0x24fe450) at kernel/qeventdispatcher_glib.cpp:110
#19 0x00007f6a1fe557d5 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#20 0x00007f6a1fe55b08 in ?? () from /usr/lib64/libglib-2.0.so.0
#21 0x00007f6a1fe55bc4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#22 0x00007f6a2455e2c6 in QEventDispatcherGlib::processEvents (this=0x24fef90, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007f6a2375dc1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f6a2452eadf in QEventLoop::processEvents (this=this@entry=0x7fff55c6e610, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f6a2452ed68 in QEventLoop::exec (this=0x7fff55c6e610, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f6a24533a08 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#27 0x00007f6a0f917a50 in kdemain () from /usr/lib64/libkdeinit4_kded4.so
#28 0x000000000040889a in _start ()

Reported using DrKonqi
Comment 1 Rodolfo 2013-07-19 17:22:04 UTC 
Similar for me, but always at start.
Kubutu 13.04
KDE 4.10.90 ppa:kubuntu-ppa/beta
Qt Version: 4.8.4

Application: Demone KDE (kded4), signal: Floating point exception
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6c7a8a07c0 (LWP 3083))]

Thread 6 (Thread 0x7f6c60643700 (LWP 3107)):
#0  0x00007f6c78123b0d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f6c752ab6cf in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6c7526cd3c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6c7526d175 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6c7526d304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6c79557036 in QEventDispatcherGlib::processEvents (this=0x7f6c580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f6c7952738f in QEventLoop::processEvents (this=this@entry=0x7f6c60642dc0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f6c79527618 in QEventLoop::exec (this=this@entry=0x7f6c60642dc0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f6c79429410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f6c7942bbec in QThreadPrivate::start (arg=0x158e110) at thread/qthread_unix.cpp:338
#10 0x00007f6c75941f8e in start_thread (arg=0x7f6c60643700) at pthread_create.c:311
#11 0x00007f6c78131e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7f6c4d655700 (LWP 3421)):
#0  __libc_enable_asynccancel () at ../nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S:65
#1  0x00007f6c781253c2 in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f6c7526d1dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6c7526d6ba in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6c4d9454f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f6c75290eb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6c75941f8e in start_thread (arg=0x7f6c4d655700) at pthread_create.c:311
#7  0x00007f6c78131e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f6c4cc48700 (LWP 3425)):
#0  0x00007f6c781253cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f6c7526d1dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6c7526d304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6c79557036 in QEventDispatcherGlib::processEvents (this=0x7f6c1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f6c7952738f in QEventLoop::processEvents (this=this@entry=0x7f6c4cc47d80, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6c79527618 in QEventLoop::exec (this=this@entry=0x7f6c4cc47d80, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f6c79429410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x00007f6c5d22e215 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#8  0x00007f6c7942bbec in QThreadPrivate::start (arg=0x170aab0) at thread/qthread_unix.cpp:338
#9  0x00007f6c75941f8e in start_thread (arg=0x7f6c4cc48700) at pthread_create.c:311
#10 0x00007f6c78131e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f6c47fff700 (LWP 3426)):
#0  __pthread_mutex_unlock_usercnt (mutex=0x7f6c28000a60, decr=1) at pthread_mutex_unlock.c:52
#1  0x00007f6c752ac5f1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6c7526d0ac in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6c7526d304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6c79557036 in QEventDispatcherGlib::processEvents (this=0x7f6c280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f6c7952738f in QEventLoop::processEvents (this=this@entry=0x7f6c47ffedc0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f6c79527618 in QEventLoop::exec (this=this@entry=0x7f6c47ffedc0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f6c79429410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x00007f6c7942bbec in QThreadPrivate::start (arg=0x17d98e0) at thread/qthread_unix.cpp:338
#9  0x00007f6c75941f8e in start_thread (arg=0x7f6c47fff700) at pthread_create.c:311
#10 0x00007f6c78131e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f6c477fe700 (LWP 3427)):
#0  0x00007f6c752ac359 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6c752ac5e9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6c7526d0ac in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6c7526d304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6c79557036 in QEventDispatcherGlib::processEvents (this=0x7f6c200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f6c7952738f in QEventLoop::processEvents (this=this@entry=0x7f6c477fdd90, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f6c79527618 in QEventLoop::exec (this=this@entry=0x7f6c477fdd90, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f6c79429410 in QThread::exec (this=this@entry=0x16fd280) at thread/qthread.cpp:542
#8  0x00007f6c79508edf in QInotifyFileSystemWatcherEngine::run (this=0x16fd280) at io/qfilesystemwatcher_inotify.cpp:256
#9  0x00007f6c7942bbec in QThreadPrivate::start (arg=0x16fd280) at thread/qthread_unix.cpp:338
#10 0x00007f6c75941f8e in start_thread (arg=0x7f6c477fe700) at pthread_create.c:311
#11 0x00007f6c78131e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f6c7a8a07c0 (LWP 3083)):
[KCrash Handler]
#6  0x00007f6c5fc22c8e in PowerDevilUPowerBackend::onDeviceChanged (this=0x17a38a0, device=...) at ../../../powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp:263
#7  0x00007f6c7953d0ef in QMetaObject::activate (sender=0x17c86b0, m=m@entry=0x7f6c5fe417e0 <UdevQt::Client::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fffb14f8810) at kernel/qobject.cpp:3539
#8  0x00007f6c5fc2a705 in UdevQt::Client::deviceChanged (this=<optimized out>, _t1=...) at ./udevqt.moc:160
#9  0x00007f6c5fc2a866 in UdevQt::ClientPrivate::_uq_monitorReadyRead (this=0x1802f70, fd=<optimized out>) at ../../../powerdevil/daemon/backends/upower/udevqtclient.cpp:109
#10 0x00007f6c7953d0ef in QMetaObject::activate (sender=sender@entry=0x1802f40, m=m@entry=0x7f6c79883980 <QSocketNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffb14f89a0) at kernel/qobject.cpp:3539
#11 0x00007f6c79588d2e in QSocketNotifier::activated (this=this@entry=0x1802f40, _t1=26) at .moc/release-shared/moc_qsocketnotifier.cpp:103
#12 0x00007f6c79545b0b in QSocketNotifier::event (this=0x1802f40, e=0x7fffb14f8fc0) at kernel/qsocketnotifier.cpp:317
#13 0x00007f6c788ce8ec in QApplicationPrivate::notify_helper (this=this@entry=0x1474730, receiver=receiver@entry=0x1802f40, e=e@entry=0x7fffb14f8fc0) at kernel/qapplication.cpp:4567
#14 0x00007f6c788d125b in QApplication::notify (this=this@entry=0x7fffb14f9480, receiver=receiver@entry=0x1802f40, e=e@entry=0x7fffb14f8fc0) at kernel/qapplication.cpp:4428
#15 0x00007f6c7a2a8916 in KApplication::notify (this=0x7fffb14f9480, receiver=0x1802f40, event=0x7fffb14f8fc0) at ../../kdeui/kernel/kapplication.cpp:311
#16 0x00007f6c7952863e in QCoreApplication::notifyInternal (this=0x7fffb14f9480, receiver=0x1802f40, event=event@entry=0x7fffb14f8fc0) at kernel/qcoreapplication.cpp:946
#17 0x00007f6c795575c8 in sendEvent (event=0x7fffb14f8fc0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 socketNotifierSourceDispatch (source=0x1472e40) at kernel/qeventdispatcher_glib.cpp:110
#19 0x00007f6c7526cf05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f6c7526d248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f6c7526d304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f6c79557016 in QEventDispatcherGlib::processEvents (this=0x13d3670, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007f6c7897413e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f6c7952738f in QEventLoop::processEvents (this=this@entry=0x7fffb14f9200, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f6c79527618 in QEventLoop::exec (this=this@entry=0x7fffb14f9200, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f6c7952ccf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#27 0x00007f6c788ccffc in QApplication::exec () at kernel/qapplication.cpp:3828
#28 0x00007f6c65ff3e30 in kdemain (argc=1, argv=0x1451600) at ../../kded/kded.cpp:925
#29 0x00000000004084ea in launch (argc=argc@entry=1, _name=_name@entry=0x40b166 "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=0x40b04e "0") at ../../kinit/kinit.cpp:738
#30 0x0000000000405b69 in main (argc=4, argv=<optimized out>, envp=0x7fffb14f9e80) at ../../kinit/kinit.cpp:1853

Application: Demone KDE (kded4), signal: Floating point exception
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6c7a8a07c0 (LWP 3083))]

Thread 6 (Thread 0x7f6c60643700 (LWP 3107)):
#0  0x00007f6c78123b0d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f6c752ab6cf in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6c7526cd3c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6c7526d175 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6c7526d304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6c79557036 in QEventDispatcherGlib::processEvents (this=0x7f6c580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f6c7952738f in QEventLoop::processEvents (this=this@entry=0x7f6c60642dc0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f6c79527618 in QEventLoop::exec (this=this@entry=0x7f6c60642dc0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f6c79429410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f6c7942bbec in QThreadPrivate::start (arg=0x158e110) at thread/qthread_unix.cpp:338
#10 0x00007f6c75941f8e in start_thread (arg=0x7f6c60643700) at pthread_create.c:311
#11 0x00007f6c78131e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7f6c4d655700 (LWP 3421)):
#0  __libc_enable_asynccancel () at ../nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S:65
#1  0x00007f6c781253c2 in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f6c7526d1dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6c7526d6ba in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6c4d9454f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f6c75290eb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6c75941f8e in start_thread (arg=0x7f6c4d655700) at pthread_create.c:311
#7  0x00007f6c78131e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f6c4cc48700 (LWP 3425)):
#0  0x00007f6c781253cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f6c7526d1dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6c7526d304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6c79557036 in QEventDispatcherGlib::processEvents (this=0x7f6c1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f6c7952738f in QEventLoop::processEvents (this=this@entry=0x7f6c4cc47d80, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6c79527618 in QEventLoop::exec (this=this@entry=0x7f6c4cc47d80, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f6c79429410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x00007f6c5d22e215 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#8  0x00007f6c7942bbec in QThreadPrivate::start (arg=0x170aab0) at thread/qthread_unix.cpp:338
#9  0x00007f6c75941f8e in start_thread (arg=0x7f6c4cc48700) at pthread_create.c:311
#10 0x00007f6c78131e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f6c47fff700 (LWP 3426)):
#0  __pthread_mutex_unlock_usercnt (mutex=0x7f6c28000a60, decr=1) at pthread_mutex_unlock.c:52
#1  0x00007f6c752ac5f1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6c7526d0ac in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6c7526d304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6c79557036 in QEventDispatcherGlib::processEvents (this=0x7f6c280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f6c7952738f in QEventLoop::processEvents (this=this@entry=0x7f6c47ffedc0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f6c79527618 in QEventLoop::exec (this=this@entry=0x7f6c47ffedc0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f6c79429410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x00007f6c7942bbec in QThreadPrivate::start (arg=0x17d98e0) at thread/qthread_unix.cpp:338
#9  0x00007f6c75941f8e in start_thread (arg=0x7f6c47fff700) at pthread_create.c:311
#10 0x00007f6c78131e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f6c477fe700 (LWP 3427)):
#0  0x00007f6c752ac359 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6c752ac5e9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6c7526d0ac in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6c7526d304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6c79557036 in QEventDispatcherGlib::processEvents (this=0x7f6c200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f6c7952738f in QEventLoop::processEvents (this=this@entry=0x7f6c477fdd90, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f6c79527618 in QEventLoop::exec (this=this@entry=0x7f6c477fdd90, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f6c79429410 in QThread::exec (this=this@entry=0x16fd280) at thread/qthread.cpp:542
#8  0x00007f6c79508edf in QInotifyFileSystemWatcherEngine::run (this=0x16fd280) at io/qfilesystemwatcher_inotify.cpp:256
#9  0x00007f6c7942bbec in QThreadPrivate::start (arg=0x16fd280) at thread/qthread_unix.cpp:338
#10 0x00007f6c75941f8e in start_thread (arg=0x7f6c477fe700) at pthread_create.c:311
#11 0x00007f6c78131e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f6c7a8a07c0 (LWP 3083)):
[KCrash Handler]
#6  0x00007f6c5fc22c8e in PowerDevilUPowerBackend::onDeviceChanged (this=0x17a38a0, device=...) at ../../../powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp:263
#7  0x00007f6c7953d0ef in QMetaObject::activate (sender=0x17c86b0, m=m@entry=0x7f6c5fe417e0 <UdevQt::Client::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fffb14f8810) at kernel/qobject.cpp:3539
#8  0x00007f6c5fc2a705 in UdevQt::Client::deviceChanged (this=<optimized out>, _t1=...) at ./udevqt.moc:160
#9  0x00007f6c5fc2a866 in UdevQt::ClientPrivate::_uq_monitorReadyRead (this=0x1802f70, fd=<optimized out>) at ../../../powerdevil/daemon/backends/upower/udevqtclient.cpp:109
#10 0x00007f6c7953d0ef in QMetaObject::activate (sender=sender@entry=0x1802f40, m=m@entry=0x7f6c79883980 <QSocketNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffb14f89a0) at kernel/qobject.cpp:3539
#11 0x00007f6c79588d2e in QSocketNotifier::activated (this=this@entry=0x1802f40, _t1=26) at .moc/release-shared/moc_qsocketnotifier.cpp:103
#12 0x00007f6c79545b0b in QSocketNotifier::event (this=0x1802f40, e=0x7fffb14f8fc0) at kernel/qsocketnotifier.cpp:317
#13 0x00007f6c788ce8ec in QApplicationPrivate::notify_helper (this=this@entry=0x1474730, receiver=receiver@entry=0x1802f40, e=e@entry=0x7fffb14f8fc0) at kernel/qapplication.cpp:4567
#14 0x00007f6c788d125b in QApplication::notify (this=this@entry=0x7fffb14f9480, receiver=receiver@entry=0x1802f40, e=e@entry=0x7fffb14f8fc0) at kernel/qapplication.cpp:4428
#15 0x00007f6c7a2a8916 in KApplication::notify (this=0x7fffb14f9480, receiver=0x1802f40, event=0x7fffb14f8fc0) at ../../kdeui/kernel/kapplication.cpp:311
#16 0x00007f6c7952863e in QCoreApplication::notifyInternal (this=0x7fffb14f9480, receiver=0x1802f40, event=event@entry=0x7fffb14f8fc0) at kernel/qcoreapplication.cpp:946
#17 0x00007f6c795575c8 in sendEvent (event=0x7fffb14f8fc0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 socketNotifierSourceDispatch (source=0x1472e40) at kernel/qeventdispatcher_glib.cpp:110
#19 0x00007f6c7526cf05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f6c7526d248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f6c7526d304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f6c79557016 in QEventDispatcherGlib::processEvents (this=0x13d3670, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007f6c7897413e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f6c7952738f in QEventLoop::processEvents (this=this@entry=0x7fffb14f9200, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f6c79527618 in QEventLoop::exec (this=this@entry=0x7fffb14f9200, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f6c7952ccf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#27 0x00007f6c788ccffc in QApplication::exec () at kernel/qapplication.cpp:3828
#28 0x00007f6c65ff3e30 in kdemain (argc=1, argv=0x1451600) at ../../kded/kded.cpp:925
#29 0x00000000004084ea in launch (argc=argc@entry=1, _name=_name@entry=0x40b166 "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=0x40b04e "0") at ../../kinit/kinit.cpp:738
#30 0x0000000000405b69 in main (argc=4, argv=<optimized out>, envp=0x7fffb14f9e80) at ../../kinit/kinit.cpp:1853


Manual start
kubuntu:~$ kded4
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
QDBusObjectPath: invalid path ""
QDBusObjectPath: invalid path "/modules/muon-notifier"
kded(4082): The kded module name ' "muon-notifier" ' is invalid! 
QDBusConnection for control created "/Mixers/PulseAudio__Playback_Devices_1/alsa_output_pci_0000_01_00_1_hdmi_stereo" 
QDBusConnection for control created "/Mixers/PulseAudio__Playback_Devices_1/alsa_output_pci_0000_00_14_2_analog_stereo" 
QObject::connect: Cannot connect (null)::deviceFound(Device*) to BlueDevilDaemon::deviceFound(Device*)
QObject::connect: Cannot connect QTimer::timeout() to (null)::stopDiscovery()
aaa@kubuntu:~$ No outputs have backlight property
kded4
kded(4082) ProfileUtils::createIccProfile: EDID ICC Profile already exists "/home/aaa/.local/share/icc/edid-39d79948b5ddf5058599e0d7162d83c7.icc" 
QDBusConnection for control created "/Mixers/PulseAudio__Playback_Streams_1/restore_sink_input_by_media_role_event" 
Power button detected 
Power button detected 
Power button detected 
Power button detected 
KCrash: Attempting to start /usr/bin/kded4 from kdeinit
sock_file=/home/aaa/.kde/socket-kubuntu/kdeinit4__0
KCrash: Application 'kded4' crashing...
KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi from kdeinit                                                                                                                                                                                                                       
sock_file=/home/aaa/.kde/socket-kubuntu/kdeinit4__0                                                                                                                                                                                                                                          
QSocketNotifier: Invalid socket 17 and type 'Read', disabling...
Comment 2 Alex Fiestas 2013-07-29 18:27:08 UTC 
This was fixed in:
cd78fa99

*** This bug has been marked as a duplicate of bug 321690 ***