Application: kmail (1.99.0)
KDE Platform Version: 4.4.90 (KDE 4.4.90 (KDE 4.5 RC1)) (Compiled from sources)
Qt Version: 4.6.3
Operating System: Linux 2.6.34-gentoo x86_64
Distribution: "Gentoo Base System release 2.0.1"

-- Information about the crash:
kmail crash in various situations, mostly while selecting a different folder.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f574582a780 (LWP 6750))]

Thread 2 (Thread 0x7f572b332710 (LWP 6754)):
#0  0x00007f573fe8628c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f5738a08716 in ?? () from /usr/lib64/qt4/libQtWebKit.so.4
#2  0x00007f5738a08759 in ?? () from /usr/lib64/qt4/libQtWebKit.so.4
#3  0x00007f573fe818e4 in start_thread () from /lib/libpthread.so.0
#4  0x00007f573ef5127d in clone () from /lib/libc.so.6

Thread 1 (Thread 0x7f574582a780 (LWP 6750)):
[KCrash Handler]
#6  KMKernel::folderIsSentMailFolder (this=<value optimized out>, col=...) at /var/tmp/portage/kde-base/kmail-4.4.90/work/kmail-4.4.90/kmail/kmkernel.cpp:1388
#7  0x00007f57442c9c70 in KMReaderWin::slotTouchMessage (this=0xd32310) at /var/tmp/portage/kde-base/kmail-4.4.90/work/kmail-4.4.90/kmail/kmreaderwin.cpp:419
#8  0x00007f57442c9fe7 in KMReaderWin::setMessage (this=0xd32310, item=..., updateMode=<value optimized out>) at /var/tmp/portage/kde-base/kmail-4.4.90/work/kmail-4.4.90/kmail/kmreaderwin.cpp:647
#9  0x00007f574435b2b6 in KMMainWidget::itemsReceived (this=0xcd4710, list=...) at /var/tmp/portage/kde-base/kmail-4.4.90/work/kmail-4.4.90/kmail/kmmainwidget.cpp:4182
#10 0x00007f5744378983 in KMMainWidget::qt_metacall (this=0xcd4710, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff14056840)
    at /var/tmp/portage/kde-base/kmail-4.4.90/work/kmail-4.4.90_build/kmail/kmmainwidget.moc:467
#11 0x00007f5740212c56 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib64/qt4/libQtCore.so.4
#12 0x00007f5742192122 in Akonadi::ItemFetchJob::itemsReceived (this=0x7fff14056370, _t1=<value optimized out>)
    at /var/tmp/portage/kde-base/kdepimlibs-4.4.90/work/kdepimlibs-4.4.90_build/akonadi/itemfetchjob.moc:92
#13 0x00007f574219367c in Akonadi::ItemFetchJobPrivate::timeout (this=<value optimized out>, _c=<value optimized out>, _id=2, _a=0x7fff14056990)
    at /var/tmp/portage/kde-base/kdepimlibs-4.4.90/work/kdepimlibs-4.4.90/akonadi/itemfetchjob.cpp:65
#14 Akonadi::ItemFetchJob::qt_metacall (this=<value optimized out>, _c=<value optimized out>, _id=2, _a=0x7fff14056990)
    at /var/tmp/portage/kde-base/kdepimlibs-4.4.90/work/kdepimlibs-4.4.90_build/akonadi/itemfetchjob.moc:80
#15 0x00007f5740212c56 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib64/qt4/libQtCore.so.4
#16 0x00007f5744c78b72 in KJob::result (this=0x7fff14056370, _t1=0x5f11c20) at /var/tmp/portage/kde-base/kdelibs-4.4.90/work/kdelibs-4.4.90_build/kdecore/kjob.moc:194
#17 0x00007f5744c78e10 in KJob::emitResult (this=0x5f11c20) at /var/tmp/portage/kde-base/kdelibs-4.4.90/work/kdelibs-4.4.90/kdecore/jobs/kjob.cpp:312
#18 0x00007f57421a37c9 in Akonadi::JobPrivate::delayedEmitResult (this=0x5f11c20, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff14056ac0)
    at /var/tmp/portage/kde-base/kdepimlibs-4.4.90/work/kdepimlibs-4.4.90/akonadi/job.cpp:143
#19 Akonadi::Job::qt_metacall (this=0x5f11c20, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff14056ac0)
    at /var/tmp/portage/kde-base/kdepimlibs-4.4.90/work/kdepimlibs-4.4.90_build/akonadi/job.moc:91
#20 0x00007f5742193585 in Akonadi::ItemFetchJob::qt_metacall (this=0x7fff14056370, _c=8892720, _id=-1735699336, _a=0x73007463)
    at /var/tmp/portage/kde-base/kdepimlibs-4.4.90/work/kdepimlibs-4.4.90_build/akonadi/itemfetchjob.moc:73
#21 0x00007f5740212c56 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib64/qt4/libQtCore.so.4
#22 0x00007f574021a0bf in ?? () from /usr/lib64/qt4/libQtCore.so.4
#23 0x00007f574020f4e3 in QObject::event(QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#24 0x00007f5740ec064c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#25 0x00007f5740ec6c3b in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#26 0x00007f574525c136 in KApplication::notify (this=0x7fff14057610, receiver=0x5f390f0, event=0x7fff14057220)
    at /var/tmp/portage/kde-base/kdelibs-4.4.90/work/kdelibs-4.4.90/kdeui/kernel/kapplication.cpp:309
#27 0x00007f57401ffa6c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#28 0x00007f574022c7b2 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#29 0x00007f5740229318 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#30 0x00007f573582f482 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#31 0x00007f57358332f8 in ?? () from /usr/lib/libglib-2.0.so.0
#32 0x00007f57358334ac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#33 0x00007f5740228fe3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#34 0x00007f5740f6e9ae in ?? () from /usr/lib64/qt4/libQtGui.so.4
#35 0x00007f57401fe392 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#36 0x00007f57401fe76c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#37 0x00007f57402033fb in QCoreApplication::exec() () from /usr/lib64/qt4/libQtCore.so.4
#38 0x0000000000403486 in main (argc=<value optimized out>, argv=<value optimized out>) at /var/tmp/portage/kde-base/kmail-4.4.90/work/kmail-4.4.90/kmail/main.cpp:147

Reported using DrKonqi