Application: kmail (2.1.0)
KDE Platform Version: 4.6.5 (4.6.5) (Compiled from sources)
Qt Version: 4.7.2
Operating System: Linux 2.6.39-gentoo-r3 x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
- What I was doing when the application crashed:
Downloaded the post from server, and after that kmail crashed.
After this crash, kmail crashes instantly after each start.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fe091dad760 (LWP 3784))]

Thread 2 (Thread 0x7fe075b87700 (LWP 3793)):
#0  0x00007fe08cf262ac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fe083b2c3fe in ?? () from /usr/lib64/qt4/libQtWebKit.so.4
#2  0x00007fe083b2c519 in ?? () from /usr/lib64/qt4/libQtWebKit.so.4
#3  0x00007fe08cf21914 in start_thread () from /lib/libpthread.so.0
#4  0x00007fe08f0a87dd in clone () from /lib/libc.so.6

Thread 1 (Thread 0x7fe091dad760 (LWP 3784)):
[KCrash Handler]
#6  0x00007fe088f2f518 in KPIM::ProgressItem::setComplete() () from /usr/lib/libkdepim.so.4
#7  0x00007fe08a75b411 in MailCommon::FilterManager::Private::itemsFetchJobForFilterDone(KJob*) () from /usr/lib/libmailcommon.so.4
#8  0x00007fe08a75c1b5 in MailCommon::FilterManager::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libmailcommon.so.4
#9  0x00007fe08f9e2287 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib64/qt4/libQtCore.so.4
#10 0x00007fe0911a3b72 in KJob::result(KJob*) () from /usr/lib/libkdecore.so.5
#11 0x00007fe0911a3e10 in KJob::emitResult() () from /usr/lib/libkdecore.so.5
#12 0x00007fe08b57ce09 in Akonadi::Job::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libakonadi-kde.so.4
#13 0x00007fe08b569f25 in Akonadi::ItemFetchJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libakonadi-kde.so.4
#14 0x00007fe08f9dc35e in QObject::event(QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#15 0x00007fe08fec4bfc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#16 0x00007fe08feca03d in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#17 0x00007fe0917cf8c6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#18 0x00007fe08f9ca50c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#19 0x00007fe08f9cd4a3 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/qt4/libQtCore.so.4
#20 0x00007fe08f9f6b33 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#21 0x00007fe087620e82 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#22 0x00007fe087625548 in ?? () from /usr/lib/libglib-2.0.so.0
#23 0x00007fe0876256fc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#24 0x00007fe08f9f6673 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#25 0x00007fe08ff76c9e in ?? () from /usr/lib64/qt4/libQtGui.so.4
#26 0x00007fe08f9c9232 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#27 0x00007fe08f9c961c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#28 0x00007fe08f9cd6db in QCoreApplication::exec() () from /usr/lib64/qt4/libQtCore.so.4
#29 0x000000000040329c in _start ()

Reported using DrKonqi