Application: kmail (4.8 beta1)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.1.1-1-ARCH x86_64

-- Information about the crash:
selected a bunch of emails which where clearly spam, some of them where not yet read. hit my shortcut to mark them as spam -> boom

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fc6f2662780 (LWP 1566))]

Thread 6 (Thread 0x7fc6ed3a2700 (LWP 1607)):
#0  0x00007fc7011afb54 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fc6fc0675ba in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007fc6fc0676a9 in ?? () from /usr/lib/libQtWebKit.so.4
#3  0x00007fc7011abdf0 in start_thread () from /lib/libpthread.so.0
#4  0x00007fc70074e39d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fc6eca89700 (LWP 1609)):
#0  0x00007fc700746123 in poll () from /lib/libc.so.6
#1  0x00007fc6f89fdd58 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fc6f89fe219 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007fc701547606 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#4  0x00007fc70151ba92 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#5  0x00007fc70151bc97 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0x00007fc70143313f in QThread::exec() () from /usr/lib/libQtCore.so.4
#7  0x00007fc701435bc5 in ?? () from /usr/lib/libQtCore.so.4
#8  0x00007fc7011abdf0 in start_thread () from /lib/libpthread.so.0
#9  0x00007fc70074e39d in clone () from /lib/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fc6e27dc700 (LWP 8992)):
#0  0x00007fc7007481d3 in select () from /lib/libc.so.6
#1  0x00007fc7014fe4a1 in ?? () from /usr/lib/libQtCore.so.4
#2  0x00007fc701435bc5 in ?? () from /usr/lib/libQtCore.so.4
#3  0x00007fc7011abdf0 in start_thread () from /lib/libpthread.so.0
#4  0x00007fc70074e39d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fc6e384c700 (LWP 14252)):
#0  0x00007fc7011afecb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fc701435fde in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007fc70142a97f in ?? () from /usr/lib/libQtCore.so.4
#3  0x00007fc701435bc5 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007fc7011abdf0 in start_thread () from /lib/libpthread.so.0
#5  0x00007fc70074e39d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fc6ead7f700 (LWP 14255)):
#0  0x00007fc7011afecb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fc701435fde in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007fc70142a97f in ?? () from /usr/lib/libQtCore.so.4
#3  0x00007fc701435bc5 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007fc7011abdf0 in start_thread () from /lib/libpthread.so.0
#5  0x00007fc70074e39d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fc6f2662780 (LWP 1566)):
[KCrash Handler]
#6  0x00007fc7014dbac4 in QUrl::operator==(QUrl const&) const () from /usr/lib/libQtCore.so.4
#7  0x00007fc6fe645a31 in QHash<QUrl, QVector<QUrl> >::remove (this=0x71218f0, akey=...) at /usr/include/QtCore/qhash.h:794
#8  0x00007fc6fe6452d3 in MessageCore::AsyncNepomukResourceRetrieverPrivate::removeRequest (this=0x71218d0, url=...) at /home/milian/projects/kde4/kdepim/messagecore/asyncnepomukresourceretriever.cpp:81
#9  0x00007fc6fe64531d in MessageCore::AsyncNepomukResourceRetrieverPrivate::resourceRetrievalDone (this=0x71218d0, url=..., res=...) at /home/milian/projects/kde4/kdepim/messagecore/asyncnepomukresourceretriever.cpp:88
#10 0x00007fc6fe644590 in MessageCore::AsyncNepomukResourceRetriever::qt_metacall (this=0x25332a0, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fc6e431a590) at /home/milian/projects/.build/kde4/kdepim/messagecore/asyncnepomukresourceretriever.moc:78
#11 0x00007fc6fe41e0de in MessageList::CallbackNepomukResourceRetriever::qt_metacall (this=0x25332a0, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7fc6e431a590) at /home/milian/projects/.build/kde4/kdepim/messagelist/callbacknepomukresourceretriever.moc:66
#12 0x00007fc70153318e in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#13 0x00007fc7021f8ae4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#14 0x00007fc7021fd951 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#15 0x00007fc7050b3bb6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#16 0x00007fc70151c89c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#17 0x00007fc70151fc2f in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#18 0x00007fc7015471a3 in ?? () from /usr/lib/libQtCore.so.4
#19 0x00007fc6f89fd84d in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#20 0x00007fc6f89fe048 in ?? () from /usr/lib/libglib-2.0.so.0
#21 0x00007fc6f89fe219 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#22 0x00007fc701547606 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#23 0x00007fc70229beee in ?? () from /usr/lib/libQtGui.so.4
#24 0x00007fc70151ba92 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#25 0x00007fc70151bc97 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#26 0x00007fc70151feab in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#27 0x00000000004036a6 in main (argc=3, argv=0x7fffa77235b8) at /home/milian/projects/kde4/kdepim/kmail/main.cpp:145

Reported using DrKonqi