Bug 329943

Application: kded4 (4.12.0)
KDE Platform Version: 4.12.0
Qt Version: 4.8.5
Operating System: Linux 3.11.6-4-desktop x86_64
Distribution: "openSUSE 13.1 (Bottle) (x86_64)"

-- Information about the crash:
Searching for an application, occurring with both lancelot and homerunner launchers

The crash can be reproduced sometimes.

-- Backtrace:
Application: KDE Dæmon (kded4), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3497df5780 (LWP 2748))]

Thread 7 (Thread 0x7f347b3bd700 (LWP 2756)):
#0  0x00007f349236fffa in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f3492370289 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f349232f750 in g_main_context_acquire () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f34923304c5 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f349233070c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f3496a82d76 in QEventDispatcherGlib::processEvents (this=0x7f34740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#6  0x00007f3496a54d0f in QEventLoop::processEvents (this=this@entry=0x7f347b3bce60, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f3496a55005 in QEventLoop::exec (this=this@entry=0x7f347b3bce60, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f3496953fef in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#9  0x00007f349695668f in QThreadPrivate::start (arg=0x159e910) at thread/qthread_unix.cpp:338
#10 0x00007f34966bf0db in start_thread () from /lib64/libpthread.so.0
#11 0x00007f349542890d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f347a2e9700 (LWP 2757)):
#0  0x00007f3496a83060 in testAndSetOrdered (newValue=0, expectedValue=1, this=0x170ac10) at ../../src/corelib/arch/qatomic_x86_64.h:145
#1  testAndSetRelease (newValue=0, expectedValue=1, this=0x170ac10) at ../../src/corelib/arch/qatomic_x86_64.h:272
#2  unlockInline (this=0x1726f98) at ../../src/corelib/thread/qmutex.h:171
#3  unlock (this=<synthetic pointer>) at ../../src/corelib/thread/qmutex.h:121
#4  ~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../src/corelib/thread/qmutex.h:115
#5  canWaitLocked (this=0x1726f50) at ../../src/corelib/thread/qthread_p.h:228
#6  postEventSourcePrepare (s=0x7f346c0012d0, timeout=0x7f347a2e8ca4) at kernel/qeventdispatcher_glib.cpp:263
#7  0x00007f349232fcad in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f3492330523 in ?? () from /usr/lib64/libglib-2.0.so.0
#9  0x00007f349233070c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#10 0x00007f3496a82d76 in QEventDispatcherGlib::processEvents (this=0x7f346c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#11 0x00007f3496a54d0f in QEventLoop::processEvents (this=this@entry=0x7f347a2e8e60, flags=...) at kernel/qeventloop.cpp:149
#12 0x00007f3496a55005 in QEventLoop::exec (this=this@entry=0x7f347a2e8e60, flags=...) at kernel/qeventloop.cpp:204
#13 0x00007f3496953fef in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#14 0x00007f349695668f in QThreadPrivate::start (arg=0x17273b0) at thread/qthread_unix.cpp:338
#15 0x00007f34966bf0db in start_thread () from /lib64/libpthread.so.0
#16 0x00007f349542890d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f345a01e700 (LWP 2777)):
#0  0x00007f3492370006 in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f34923702b9 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f34923305f9 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f349233070c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f3496a82d76 in QEventDispatcherGlib::processEvents (this=0x7f34400008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#5  0x00007f3496a54d0f in QEventLoop::processEvents (this=this@entry=0x7f345a01de20, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f3496a55005 in QEventLoop::exec (this=this@entry=0x7f345a01de20, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f3496953fef in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#8  0x00007f347cedb297 in KCupsConnection::run() () from /usr/lib64/libkcupslib.so
#9  0x00007f349695668f in QThreadPrivate::start (arg=0x15e5eb0) at thread/qthread_unix.cpp:338
#10 0x00007f34966bf0db in start_thread () from /lib64/libpthread.so.0
#11 0x00007f349542890d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f345981d700 (LWP 2778)):
#0  0x00007f349541fb3d in poll () from /lib64/libc.so.6
#1  0x00007f3492330604 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f349233070c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f3496a82d76 in QEventDispatcherGlib::processEvents (this=0x7f34440008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#4  0x00007f3496a54d0f in QEventLoop::processEvents (this=this@entry=0x7f345981ce60, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f3496a55005 in QEventLoop::exec (this=this@entry=0x7f345981ce60, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f3496953fef in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#7  0x00007f349695668f in QThreadPrivate::start (arg=0x17a7860) at thread/qthread_unix.cpp:338
#8  0x00007f34966bf0db in start_thread () from /lib64/libpthread.so.0
#9  0x00007f349542890d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f345901c700 (LWP 2780)):
#0  0x00007f349236fffa in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f3492370289 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f349232fcb9 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f3492330523 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f349233070c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f3496a82d76 in QEventDispatcherGlib::processEvents (this=0x7f34380008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#6  0x00007f3496a54d0f in QEventLoop::processEvents (this=this@entry=0x7f345901be20, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f3496a55005 in QEventLoop::exec (this=this@entry=0x7f345901be20, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f3496953fef in QThread::exec (this=this@entry=0x165ba50) at thread/qthread.cpp:536
#9  0x00007f3496a36513 in QInotifyFileSystemWatcherEngine::run (this=0x165ba50) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007f349695668f in QThreadPrivate::start (arg=0x165ba50) at thread/qthread_unix.cpp:338
#11 0x00007f34966bf0db in start_thread () from /lib64/libpthread.so.0
#12 0x00007f349542890d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f3430c86700 (LWP 3498)):
#0  0x00007f34966c13e9 in pthread_mutex_lock () from /lib64/libpthread.so.0
#1  0x00007f3492370291 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f34923305ea in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f349233070c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f3496a82d76 in QEventDispatcherGlib::processEvents (this=0x7f342c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#5  0x00007f3496a54d0f in QEventLoop::processEvents (this=this@entry=0x7f3430c85e20, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f3496a55005 in QEventLoop::exec (this=this@entry=0x7f3430c85e20, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f3496953fef in QThread::exec (this=this@entry=0x1a59480) at thread/qthread.cpp:536
#8  0x00007f3496a36513 in QInotifyFileSystemWatcherEngine::run (this=0x1a59480) at io/qfilesystemwatcher_inotify.cpp:256
#9  0x00007f349695668f in QThreadPrivate::start (arg=0x1a59480) at thread/qthread_unix.cpp:338
#10 0x00007f34966bf0db in start_thread () from /lib64/libpthread.so.0
#11 0x00007f349542890d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f3497df5780 (LWP 2748)):
[KCrash Handler]
#6  0x00007f3495376849 in raise () from /lib64/libc.so.6
#7  0x00007f3495377cd8 in abort () from /lib64/libc.so.6
#8  0x00007f34904e3735 in ?? () from /lib64/libdbus-1.so.3
#9  0x00007f34904da3c1 in ?? () from /lib64/libdbus-1.so.3
#10 0x00007f34904ccfe6 in dbus_message_iter_append_basic () from /lib64/libdbus-1.so.3
#11 0x00007f34937cc3dd in append (arg=..., this=0x7fff36538040) at qdbusmarshaller.cpp:130
#12 QDBusMarshaller::appendVariantInternal (this=this@entry=0x7fff36538040, arg=...) at qdbusmarshaller.cpp:451
#13 0x00007f34937a7bac in QDBusMessagePrivate::toDBusMessage (message=..., capabilities=..., error=error@entry=0x7fff36538310) at qdbusmessage.cpp:189
#14 0x00007f349379d1ba in QDBusConnectionPrivate::send (this=this@entry=0x1414cc0, message=...) at qdbusintegrator.cpp:1854
#15 0x00007f349379f2cc in QDBusConnectionPrivate::deliverCall (this=this@entry=0x1414cc0, object=object@entry=0x1891e80, msg=..., metaTypes=..., slotIdx=4) at qdbusintegrator.cpp:964
#16 0x00007f34937a0039 in QDBusConnectionPrivate::activateCall (this=this@entry=0x1414cc0, object=0x1891e80, flags=flags@entry=273, msg=...) at qdbusintegrator.cpp:856
#17 0x00007f34937a0b1d in QDBusConnectionPrivate::activateObject (this=0x1414cc0, node=..., msg=..., pathStartPos=<optimized out>) at qdbusintegrator.cpp:1427
#18 0x00007f34937a0beb in QDBusActivateObjectEvent::placeMetaCall (this=0x1e0f910) at qdbusintegrator.cpp:1541
#19 0x00007f3496a6e11e in QObject::event (this=0x1a20dc0, e=<optimized out>) at kernel/qobject.cpp:1203
#20 0x00007f3495bd58ac in QApplicationPrivate::notify_helper (this=this@entry=0x14281b0, receiver=receiver@entry=0x1a20dc0, e=e@entry=0x1e0f910) at kernel/qapplication.cpp:4562
#21 0x00007f3495bdbe70 in QApplication::notify (this=this@entry=0x7fff36538e90, receiver=receiver@entry=0x1a20dc0, e=e@entry=0x1e0f910) at kernel/qapplication.cpp:4348
#22 0x00007f34977fc38a in KApplication::notify (this=0x7fff36538e90, receiver=0x1a20dc0, event=0x1e0f910) at /usr/src/debug/kdelibs-4.12.0/kdeui/kernel/kapplication.cpp:311
#23 0x00007f3496a560ad in QCoreApplication::notifyInternal (this=0x7fff36538e90, receiver=receiver@entry=0x1a20dc0, event=event@entry=0x1e0f910) at kernel/qcoreapplication.cpp:949
#24 0x00007f3496a590ff in sendEvent (event=0x1e0f910, receiver=0x1a20dc0) at kernel/qcoreapplication.h:231
#25 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x139b150) at kernel/qcoreapplication.cpp:1573
#26 0x00007f3496a595a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1466
#27 0x00007f3496a83493 in sendPostedEvents () at kernel/qcoreapplication.h:236
#28 postEventSourceDispatch (s=0x14284d0) at kernel/qeventdispatcher_glib.cpp:280
#29 0x00007f3492330316 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#30 0x00007f3492330668 in ?? () from /usr/lib64/libglib-2.0.so.0
#31 0x00007f349233070c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#32 0x00007f3496a82d55 in QEventDispatcherGlib::processEvents (this=0x13a1630, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#33 0x00007f3495c72936 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#34 0x00007f3496a54d0f in QEventLoop::processEvents (this=this@entry=0x7fff36538d60, flags=...) at kernel/qeventloop.cpp:149
#35 0x00007f3496a55005 in QEventLoop::exec (this=this@entry=0x7fff36538d60, flags=...) at kernel/qeventloop.cpp:204
#36 0x00007f3496a5a13b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1221
#37 0x00007f3495bd406c in QApplication::exec () at kernel/qapplication.cpp:3823
#38 0x00007f34829a0fbb in kdemain (argc=1, argv=0x140c600) at /usr/src/debug/kdelibs-4.12.0/kded/kded.cpp:925
#39 0x000000000040879e in launch (argc=argc@entry=1, _name=_name@entry=0x40b115 "kded4", args=<optimized out>, 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=0x40affd "0") at /usr/src/debug/kdelibs-4.12.0/kinit/kinit.cpp:726
#40 0x0000000000405f23 in main (argc=4, argv=<optimized out>, envp=0x7fff365395f0) at /usr/src/debug/kdelibs-4.12.0/kinit/kinit.cpp:1841

Possible duplicates by query: bug 318247, bug 313789.

Reported using DrKonqi