Application that crashed: kmail
Version of the application: 1.12.3
KDE Version: 4.3.3 (KDE 4.3.3)
Qt Version: 4.5.3
Operating System: Linux 2.6.31-gentoo-r5 x86_64

What I was doing when the application crashed:
Kmail froze, reason unknown.

I killed it via "killall kmail" which led to this crash.

 -- Backtrace:
Application: KMail (kmail), signal: Aborted
The current source language is "auto; currently asm".
[KCrash Handler]
#26 0x00007f41747fdf0b in connect () at ../sysdeps/unix/syscall-template.S:82
#27 0x00007f416a3628b4 in ?? () from /usr/lib64/libfam.so.0
#28 0x00007f416a362cda in FAMOpen () from /usr/lib64/libfam.so.0
#29 0x00007f416f35f799 in KDirWatchPrivate (this=0x2270500) at /var/tmp/portage/kde-base/kdelibs-4.3.3/work/kdelibs-4.3.3/kio/kio/kdirwatch.cpp:164
#30 0x00007f416f35fc9f in createPrivate () at /var/tmp/portage/kde-base/kdelibs-4.3.3/work/kdelibs-4.3.3/kio/kio/kdirwatch.cpp:78
#31 0x00007f416f35fcd3 in KDirWatch (this=0x22704e0, parent=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.3.3/work/kdelibs-4.3.3/kio/kio/kdirwatch.cpp:1613
#32 0x00007f4170c77551 in KEmoticons (this=0x2215280) at /var/tmp/portage/kde-base/kdelibs-4.3.3/work/kdelibs-4.3.3/kutils/kemoticons/kemoticons.cpp:121
#33 0x00007f416ed84779 in operator-> (plainText=<value optimized out>, flags=<value optimized out>, maxUrlLen=<value optimized out>, maxAddressLen=<value optimized out>)
    at /var/tmp/portage/kde-base/kdepimlibs-4.3.3/work/kdepimlibs-4.3.3/kpimutils/linklocator.cpp:65
#34 KPIMUtils::LinkLocator::convertToHtml (plainText=<value optimized out>, flags=<value optimized out>, maxUrlLen=<value optimized out>, maxAddressLen=<value optimized out>)
    at /var/tmp/portage/kde-base/kdepimlibs-4.3.3/work/kdepimlibs-4.3.3/kpimutils/linklocator.cpp:423
#35 0x00007f41764f3b34 in strToHtml (str=..., flags=110) at /var/tmp/portage/kde-base/kmail-4.3.3/work/kmail-4.3.3/kmail/headerstyle.cpp:79
#36 0x00007f41764f7f6f in KMail::FancyHeaderStyle::format (this=<value optimized out>, message=<value optimized out>, strategy=<value optimized out>, vCardName=<value optimized out>, 
    printing=<value optimized out>, topLevel=true) at /var/tmp/portage/kde-base/kmail-4.3.3/work/kmail-4.3.3/kmail/headerstyle.cpp:563
#37 0x00007f41763968f6 in KMReaderWin::writeMsgHeader (this=0x1aa98a0, aMsg=<value optimized out>, hasVCard=false, topLevel=<value optimized out>)
    at /var/tmp/portage/kde-base/kmail-4.3.3/work/kmail-4.3.3/kmail/kmreaderwin.cpp:1791
#38 0x00007f417639e5d7 in KMReaderWin::parseMsg (this=0x1aa98a0, aMsg=0x220ec80) at /var/tmp/portage/kde-base/kmail-4.3.3/work/kmail-4.3.3/kmail/kmreaderwin.cpp:1678
#39 0x00007f417638d5fa in KMReaderWin::displayMessage (this=0x1aa98a0) at /var/tmp/portage/kde-base/kmail-4.3.3/work/kmail-4.3.3/kmail/kmreaderwin.cpp:1608
#40 0x00007f417638d7d4 in KMReaderWin::updateReaderWin (this=0x1aa98a0) at /var/tmp/portage/kde-base/kmail-4.3.3/work/kmail-4.3.3/kmail/kmreaderwin.cpp:1548
#41 0x00007f417639a88d in KMReaderWin::qt_metacall (this=0x1aa98a0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff1f0feb60)
    at /var/tmp/portage/kde-base/kmail-4.3.3/work/kmail-4.3.3_build/kmail/kmreaderwin.moc:168
#42 0x00007f4175ba30da in QMetaObject::activate (sender=<value optimized out>, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0xffffffffffffffff)
    at kernel/qobject.cpp:3101
#43 0x00007f4175b9f993 in QObject::event (this=0x1aa9948, e=0x7fff1f0f2f70) at kernel/qobject.cpp:1066
#44 0x00007f4175156bdc in QApplicationPrivate::notify_helper (this=0x1686e90, receiver=0x1aa9948, e=0x7fff1f0ff180) at kernel/qapplication.cpp:4065
#45 0x00007f417515c488 in QApplication::notify (this=0x7fff1f0ff5d0, receiver=0x1aa9948, e=0x7fff1f0ff180) at kernel/qapplication.cpp:4030
#46 0x00007f417720f6b6 in KApplication::notify (this=0x7fff1f0ff5d0, receiver=0x1aa9948, event=0x7fff1f0ff180)
    at /var/tmp/portage/kde-base/kdelibs-4.3.3/work/kdelibs-4.3.3/kdeui/kernel/kapplication.cpp:302
#47 0x00007f4175b919fb in QCoreApplication::notifyInternal (this=0x7fff1f0ff5d0, receiver=0x1aa9948, event=0x7fff1f0ff180) at kernel/qcoreapplication.cpp:606
#48 0x00007f4175bb871a in QCoreApplication::sendEvent (this=0x168a700) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#49 QTimerInfoList::activateTimers (this=0x168a700) at kernel/qeventdispatcher_unix.cpp:580
#50 0x00007f4175bb61ad in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:165
#51 0x00007f416cfba53d in g_main_dispatch (context=0x1689520) at gmain.c:1960
#52 IA__g_main_context_dispatch (context=0x1689520) at gmain.c:2513
#53 0x00007f416cfbdef8 in g_main_context_iterate (context=0x1689520, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#54 0x00007f416cfbe020 in IA__g_main_context_iteration (context=0x1689520, may_block=1) at gmain.c:2654
#55 0x00007f4175bb60f6 in QEventDispatcherGlib::processEvents (this=0x16862a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#56 0x00007f41751dbc8e in QGuiEventDispatcherGlib::processEvents (this=0x17, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#57 0x00007f4175b90422 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#58 0x00007f4175b905bd in QEventLoop::exec (this=0x7fff1f0ff420, flags=) at kernel/qeventloop.cpp:197
#59 0x00007f4175b923a9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#60 0x0000000000403049 in main (argc=<value optimized out>, argv=<value optimized out>) at /var/tmp/portage/kde-base/kmail-4.3.3/work/kmail-4.3.3/kmail/main.cpp:146

Reported using DrKonqi