Bug 303814

Application: kded4 ($Id$)
KDE Platform Version: 4.8.4 (4.8.4)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-26-generic-pae i686
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
something crashed but everything still working

The crash can be reproduced every time.

-- Backtrace:
Application: KDE Daemon (kdeinit4), signal: Aborted
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb5609740 (LWP 1504))]

Thread 4 (Thread 0xaed5bb40 (LWP 1581)):
#0  0xb76e1424 in __kernel_vsyscall ()
#1  0xb5f23380 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb5909a7b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb58fc0ae in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb58fc56b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xaee4a1ba in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0xb591f6b3 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb59c2d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0xb5f31ace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xae3ffb40 (LWP 1683)):
#0  0xb59c4dc8 in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb5f3f5f4 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb593b3d0 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb58fc060 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb58fc201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb6d538e7 in QEventDispatcherGlib::processEvents (this=0xada00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb6d1f50d in QEventLoop::processEvents (this=0xae3ff240, flags=...) at kernel/qeventloop.cpp:149
#7  0xb6d1f7a9 in QEventLoop::exec (this=0xae3ff240, flags=...) at kernel/qeventloop.cpp:204
#8  0xb6c0894c in QThread::exec (this=0x9609718) at thread/qthread.cpp:501
#9  0xb6cfcb5d in QInotifyFileSystemWatcherEngine::run (this=0x9609718) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb6c0bde0 in QThreadPrivate::start (arg=0x9609718) at thread/qthread_unix.cpp:298
#11 0xb59c2d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb5f31ace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa8d87b40 (LWP 12564)):
#0  0xb76e1424 in __kernel_vsyscall ()
#1  0xb5f2117b in read () from /lib/i386-linux-gnu/libc.so.6
#2  0xb593a6ae in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb58fbbd2 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb58fc042 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb58fc201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb6d538e7 in QEventDispatcherGlib::processEvents (this=0x99f6db8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb6d1f50d in QEventLoop::processEvents (this=0xa8d87250, flags=...) at kernel/qeventloop.cpp:149
#8  0xb6d1f7a9 in QEventLoop::exec (this=0xa8d87250, flags=...) at kernel/qeventloop.cpp:204
#9  0xb6c0894c in QThread::exec (this=0x96fe9f8) at thread/qthread.cpp:501
#10 0xaf261757 in ?? () from /usr/lib/kde4/kded_bluedevil.so
#11 0xb6c0bde0 in QThreadPrivate::start (arg=0x96fe9f8) at thread/qthread_unix.cpp:298
#12 0xb59c2d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0xb5f31ace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb5609740 (LWP 1504)):
[KCrash Handler]
#7  0xb76e1424 in __kernel_vsyscall ()
#8  0xb5e751ef in raise () from /lib/i386-linux-gnu/libc.so.6
#9  0xb5e78835 in abort () from /lib/i386-linux-gnu/libc.so.6
#10 0xb5eb02fa in ?? () from /lib/i386-linux-gnu/libc.so.6
#11 0xb5f46dd5 in __fortify_fail () from /lib/i386-linux-gnu/libc.so.6
#12 0xb5f45baa in __chk_fail () from /lib/i386-linux-gnu/libc.so.6
#13 0xb5f46d6a in __fdelt_warn () from /lib/i386-linux-gnu/libc.so.6
#14 0xb6cf8443 in QProcessPrivate::waitForStarted (this=0x9c41d78, msecs=-1) at io/qprocess_unix.cpp:1038
#15 0xb6cace94 in QProcess::waitForStarted (this=0x9670028, msecs=-1) at io/qprocess.cpp:1687
#16 0xb6cacfc4 in QProcess::waitForFinished (this=0x9670028, msecs=-1) at io/qprocess.cpp:1752
#17 0xb6f7b292 in KProcess::execute (this=0x9670028, msecs=-1) at ../../kdecore/io/kprocess.cpp:350
#18 0xa98251bc in ApportEvent::reportsAvailable (this=0x96d2890) at /build/buildd/kubuntu-notification-helper-11.10ubuntu1/src/daemon/apportevent/apportevent.cpp:42
#19 0xa982524e in ApportEvent::show (this=0x96d2890) at /build/buildd/kubuntu-notification-helper-11.10ubuntu1/src/daemon/apportevent/apportevent.cpp:50
#20 0xa982385f in apportEvent (this=0x96acfc0) at /build/buildd/kubuntu-notification-helper-11.10ubuntu1/src/daemon/notificationhelpermodule.cpp:130
#21 NotificationHelperModule::qt_metacall (this=0x96acfc0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfa0d058) at /build/buildd/kubuntu-notification-helper-11.10ubuntu1/obj-i686-linux-gnu/src/daemon/notificationhelpermodule.moc:79
#22 0xb6d27c9d in metacall (argv=0xbfa0d058, idx=9, cl=QMetaObject::InvokeMetaMethod, object=0x96acfc0) at kernel/qmetaobject.cpp:245
#23 QMetaObject::metacall (object=0x96acfc0, cl=QMetaObject::InvokeMetaMethod, idx=9, argv=0xbfa0d058) at kernel/qmetaobject.cpp:240
#24 0xb6d379bd in QMetaObject::activate (sender=0x96db6d0, m=0xb714aff0, local_signal_index=0, argv=0xbfa0d058) at kernel/qobject.cpp:3566
#25 0xb6f6fdd5 in KDirWatch::dirty (this=0x96db6d0, _t1=...) at ./kdirwatch.moc:113
#26 0xb6f6fe03 in KDirWatch::setDirty (this=0x96db6d0, _file=...) at ../../kdecore/io/kdirwatch.cpp:1890
#27 0xb6f7011f in qt_static_metacall (_a=0x9b12ef0, _id=4, _o=0x96db6d0, _c=<optimized out>) at ./kdirwatch.moc:63
#28 KDirWatch::qt_static_metacall (_o=0x96db6d0, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0x9b12ef0) at ./kdirwatch.moc:53
#29 0xb6d32c01 in QMetaCallEvent::placeMetaCall (this=0x96809d0, object=0x96db6d0) at kernel/qobject.cpp:525
#30 0xb6d3bc7b in QObject::event (this=0x96db6d0, e=0x96809d0) at kernel/qobject.cpp:1195
#31 0xb620bed4 in notify_helper (e=0x96809d0, receiver=0x96db6d0, this=0x94c0b40) at kernel/qapplication.cpp:4559
#32 QApplicationPrivate::notify_helper (this=0x94c0b40, receiver=0x96db6d0, e=0x96809d0) at kernel/qapplication.cpp:4531
#33 0xb621130d in QApplication::notify (this=0x96809d0, receiver=0x96db6d0, e=0x96809d0) at kernel/qapplication.cpp:4288
#34 0xb7475401 in KApplication::notify (this=0xbfa0d890, receiver=0x96db6d0, event=0x96809d0) at ../../kdeui/kernel/kapplication.cpp:311
#35 0xb6d2097e in QCoreApplication::notifyInternal (this=0xbfa0d890, receiver=0x96db6d0, event=0x96809d0) at kernel/qcoreapplication.cpp:876
#36 0xb6d24ad8 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#37 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x944ea40) at kernel/qcoreapplication.cpp:1500
#38 0xb6d24e0c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393
#39 0xb6d53494 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#40 postEventSourceDispatch (s=0x94c2930) at kernel/qeventdispatcher_glib.cpp:279
#41 0xb58fbd86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#42 0xb58fc125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#43 0xb58fc201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#44 0xb6d53887 in QEventDispatcherGlib::processEvents (this=0x944fd98, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#45 0xb62c4aaa in QGuiEventDispatcherGlib::processEvents (this=0x944fd98, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#46 0xb6d1f50d in QEventLoop::processEvents (this=0xbfa0d7f4, flags=...) at kernel/qeventloop.cpp:149
#47 0xb6d1f7a9 in QEventLoop::exec (this=0xbfa0d7f4, flags=...) at kernel/qeventloop.cpp:204
#48 0xb6d24eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#49 0xb6209a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#50 0xb53ff959 in kdemain (argc=1, argv=0x94a1288) at ../../kded/kded.cpp:924
#51 0x0804f8a4 in launch (argc=<optimized out>, _name=0x8052607 "kded4", args=<optimized out>, cwd=0x0, envc=0, envs=<optimized out>, reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x805248e "0") at ../../kinit/kinit.cpp:746
#52 0x0804c9df in main (argc=<error reading variable: Cannot access memory at address 0x5e0>, argv=<error reading variable: Cannot access memory at address 0x5e4>, envp=<error reading variable: Cannot access memory at address 0x5e8>) at ../../kinit/kinit.cpp:1861

Possible duplicates by query: bug 287932.

Reported using DrKonqi