Application: kmail (4.10.5)
KDE Platform Version: 4.10.5 "release 1"
Qt Version: 4.8.4
Operating System: Linux 3.7.10-1.16-default x86_64
Distribution: "openSUSE 12.3 (x86_64)"

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

I worked with kmail.
Clicking on the the top right button to close the window I get the error report screen.
This happened yesterday and now.

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f43266cf780 (LWP 2630))]

Thread 4 (Thread 0x7f43075c4700 (LWP 2635)):
#0  0x00007f432184c964 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f4316fc27c7 in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib64/libQtWebKit.so.4
#2  0x00007f4316fc27f9 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib64/libQtWebKit.so.4
#3  0x00007f4321848e0f in start_thread () from /lib64/libpthread.so.0
#4  0x00007f4323a1b7dd in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f4306cbb700 (LWP 2636)):
#0  0x00007f4323a1287d in poll () from /lib64/libc.so.6
#1  0x00007f431bc89aa4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f431bc89bc4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f43243a92e6 in QEventDispatcherGlib::processEvents (this=0x7f43000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f4324379adf in QEventLoop::processEvents (this=this@entry=0x7f4306cbae00, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f4324379d68 in QEventLoop::exec (this=0x7f4306cbae00, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f432427c0f0 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x00007f432427f0cc in QThreadPrivate::start (arg=0xd2dbd0) at thread/qthread_unix.cpp:338
#8  0x00007f4321848e0f in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4323a1b7dd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f42bf97a700 (LWP 3333)):
[KCrash Handler]
#5  lockInline (this=0x40) at /usr/include/QtCore/qmutex.h:187
#6  QMutexLocker (m=0x40, this=<synthetic pointer>) at /usr/include/QtCore/qmutex.h:109
#7  Nepomuk2::ResourceData::load (this=this@entry=0x0) at /usr/src/debug/nepomuk-core-4.10.5/libnepomukcore/resource/resourcedata.cpp:345
#8  0x00007f431c271f2e in Nepomuk2::ResourceData::property (this=0x0, uri=...) at /usr/src/debug/nepomuk-core-4.10.5/libnepomukcore/resource/resourcedata.cpp:238
#9  0x00007f431c2829b3 in Nepomuk2::Resource::property (this=0x7f42bf979d90, uri=...) at /usr/src/debug/nepomuk-core-4.10.5/libnepomukcore/resource/resource.cpp:226
#10 0x00007f431fb00eb2 in MessageCore::NepomukResourceRetrieverRunnable::run (this=0x1e3cc60) at /usr/src/debug/kdepim-4.10.5/messagecore/asyncnepomukresourceretriever.cpp:49
#11 0x00007f4324272c9d in QThreadPoolThread::run (this=0x18ddb50) at concurrent/qthreadpool.cpp:107
#12 0x00007f432427f0cc in QThreadPrivate::start (arg=0x18ddb50) at thread/qthread_unix.cpp:338
#13 0x00007f4321848e0f in start_thread () from /lib64/libpthread.so.0
#14 0x00007f4323a1b7dd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f43266cf780 (LWP 2630)):
#0  0x00007f432184c964 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f432427f62b in wait (time=18446744073709551615, this=0x226eeb0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1791b78, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f432427246f in QThreadPoolPrivate::waitForDone (this=0x1791af0, msecs=msecs@entry=-1) at concurrent/qthreadpool.cpp:298
#4  0x00007f4324273f1d in QThreadPool::~QThreadPool (this=0x1791908, __in_chrg=<optimized out>) at concurrent/qthreadpool.cpp:440
#5  0x00007f431faff9f1 in ~AsyncNepomukResourceRetrieverPrivate (this=0x1791900, __in_chrg=<optimized out>) at /usr/src/debug/kdepim-4.10.5/messagecore/asyncnepomukresourceretriever.cpp:60
#6  MessageCore::AsyncNepomukResourceRetriever::~AsyncNepomukResourceRetriever (this=0x182a160, __in_chrg=<optimized out>) at /usr/src/debug/kdepim-4.10.5/messagecore/asyncnepomukresourceretriever.cpp:125
#7  0x00007f431f5176a2 in ~CallbackNepomukResourceRetriever (this=0x182a160, __in_chrg=<optimized out>) at /usr/src/debug/kdepim-4.10.5/messagelist/core/callbacknepomukresourceretriever.h:32
#8  MessageList::CallbackNepomukResourceRetriever::~CallbackNepomukResourceRetriever (this=0x182a160, __in_chrg=<optimized out>) at /usr/src/debug/kdepim-4.10.5/messagelist/core/callbacknepomukresourceretriever.h:32
#9  0x00007f432396af61 in __run_exit_handlers () from /lib64/libc.so.6
#10 0x00007f432396afe5 in exit () from /lib64/libc.so.6
#11 0x00007f43249225b8 in ?? () from /usr/lib64/libQtGui.so.4
#12 0x00007f432321abce in _XIOError () from /usr/lib64/libX11.so.6
#13 0x00007f4323218bac in _XReply () from /usr/lib64/libX11.so.6
#14 0x00007f43231febc1 in XGetSelectionOwner () from /usr/lib64/libX11.so.6
#15 0x00007f432493950c in QClipboard::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#16 0x00007f43248b886c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#17 0x00007f43248bcceb in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#18 0x00007f432437ad8e in QCoreApplication::notifyInternal (this=0x7fff8b28db30, receiver=0x840340, event=0x7fff8b28d790) at kernel/qcoreapplication.cpp:946
#19 0x00007f43248c160f in QApplication::~QApplication() () from /usr/lib64/libQtGui.so.4
#20 0x0000000000402eb6 in ?? ()
#21 0x00007f4323954a15 in __libc_start_main () from /lib64/libc.so.6
#22 0x0000000000403355 in _start ()

Reported using DrKonqi