Application: kontact (4.9)
KDE Platform Version: 4.9.00
Qt Version: 4.8.1
Operating System: Linux 3.2.0-29-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Every time I close Kontact at the end of the day  it crash. I use the whole day and at the endo of the day when I leave I close contact and in background crash and sometime when I tried to open again there are a zombie process in background and I have to kill all kontact to be able to open again

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f061f5357c0 (LWP 8234))]

Thread 3 (Thread 0x7f0602ab1700 (LWP 8235)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f061bd2cdec in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f061bd2cf19 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f06171dce9a in start_thread (arg=0x7f0602ab1700) at pthread_create.c:308
#4  0x00007f061ca5e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f05b4c52700 (LWP 8240)):
#0  0x00007fffe7f9070a in ?? ()
#1  0x00007fffe7f90959 in ?? ()
#2  0x00007f061554015d in __GI_clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:116
#3  0x00007f061d0fbbb4 in do_gettime (frac=0x7f05b4c51b58, sec=0x7f05b4c51b50) at tools/qelapsedtimer_unix.cpp:123
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#5  0x00007f061d1d3b8d in QTimerInfoList::updateCurrentTime (this=0x7f05b0002660) at kernel/qeventdispatcher_unix.cpp:343
#6  0x00007f061d1d3ec3 in QTimerInfoList::timerWait (this=0x7f05b0002660, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#7  0x00007f061d1d297c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7f05b4c51c2c) at kernel/qeventdispatcher_glib.cpp:136
#8  0x00007f061d1d2a25 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#9  0x00007f0616d0f846 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f0616d0ff5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f0616d10164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f061d1d3426 in QEventDispatcherGlib::processEvents (this=0x7f05b00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#13 0x00007f061d1a2c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#14 0x00007f061d1a2ed7 in QEventLoop::exec (this=0x7f05b4c51d90, flags=...) at kernel/qeventloop.cpp:204
#15 0x00007f061d0a1fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#16 0x00007f061d1829ff in QInotifyFileSystemWatcherEngine::run (this=0x13ca2b0) at io/qfilesystemwatcher_inotify.cpp:248
#17 0x00007f061d0a4fcb in QThreadPrivate::start (arg=0x13ca2b0) at thread/qthread_unix.cpp:298
#18 0x00007f06171dce9a in start_thread (arg=0x7f05b4c52700) at pthread_create.c:308
#19 0x00007f061ca5e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#20 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f061f5357c0 (LWP 8234)):
[KCrash Handler]
#6  0x00007f06152bc082 in lockInline (this=0x136adb8) at /usr/include/qt4/QtCore/qmutex.h:187
#7  QMutexLocker (m=0x136adb8, this=<synthetic pointer>) at /usr/include/qt4/QtCore/qmutex.h:109
#8  Nepomuk::Resource::~Resource (this=0x7f05a0008eb0, __in_chrg=<optimized out>) at ../../nepomuk/core/resource.cpp:142
#9  0x00007f06152bc309 in Nepomuk::Resource::~Resource (this=0x7f05a0008eb0, __in_chrg=<optimized out>) at ../../nepomuk/core/resource.cpp:147
#10 0x00007f061d1b48a9 in QMetaCallEvent::~QMetaCallEvent (this=0x7f05a0009420, __in_chrg=<optimized out>) at kernel/qobject.cpp:509
#11 0x00007f061d1b4909 in QMetaCallEvent::~QMetaCallEvent (this=0x7f05a0009420, __in_chrg=<optimized out>) at kernel/qobject.cpp:518
#12 0x00007f061d1a83ff in QCoreApplication::removePostedEvents (receiver=0x1557090, eventType=0) at kernel/qcoreapplication.cpp:1630
#13 0x00007f061d1ba4cb in QObjectPrivate::~QObjectPrivate (this=0x155e810, __in_chrg=<optimized out>) at kernel/qobject.cpp:171
#14 0x00007f061d1ba549 in QObjectPrivate::~QObjectPrivate (this=0x155e810, __in_chrg=<optimized out>) at kernel/qobject.cpp:186
#15 0x00007f061d1bcbd0 in cleanup (pointer=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:62
#16 ~QScopedPointer (this=0x1557098, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:100
#17 QObject::~QObject (this=0x1557090, __in_chrg=<optimized out>) at kernel/qobject.cpp:817
#18 0x00007f06152c2669 in Nepomuk::ResourceWatcher::~ResourceWatcher (this=0x1557090, __in_chrg=<optimized out>) at ../../nepomuk/core/resourcewatcher.cpp:81
#19 0x00007f061d1b6935 in QObjectPrivate::deleteChildren (this=0x1374350) at kernel/qobject.cpp:1908
#20 0x00007f061d1bcb9c in QObject::~QObject (this=0x11cf7b0, __in_chrg=<optimized out>) at kernel/qobject.cpp:927
#21 0x00007f06152b0d79 in Nepomuk::ResourceManager::~ResourceManager (this=0x11cf7b0, __in_chrg=<optimized out>) at ../../nepomuk/core/resourcemanager.cpp:289
#22 0x00007f061d1b6935 in QObjectPrivate::deleteChildren (this=0xd0fa40) at kernel/qobject.cpp:1908
#23 0x00007f061d1bcb9c in QObject::~QObject (this=0x7fffe7f36010, __in_chrg=<optimized out>) at kernel/qobject.cpp:927
#24 0x00007f061dba744e in QApplication::~QApplication (this=0x7fffe7f36010, __in_chrg=<optimized out>) at kernel/qapplication.cpp:1103
#25 0x000000000040363f in main (argc=1, argv=0x7fffe7f36638) at ../../../kontact/src/main.cpp:222

Reported using DrKonqi