Application that crashed: kontact
Version of the application: 4.3.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-15-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
kmail crashed while i selected message in IMAP folder and clicked on replay button earlier than message with PDF attachement fully loaded

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
The current source language is "auto; currently c".
[KCrash Handler]
#5  QBasicAtomicInt::ref (this=0x478cd80) at /usr/include/qt4/QtCore/qatomic_x86_64.h:121
#6  QList (this=0x478cd80) at /usr/include/qt4/QtCore/qlist.h:111
#7  KMail::FolderJob::msgList (this=0x478cd80) at ../../kmail/folderjob.cpp:120
#8  0x00007fbe24ea8c23 in KMAcctImap::ignoreJobsForMessage (this=0x2643840, msg=0x698dfd0) at ../../kmail/kmacctimap.cpp:215
#9  0x00007fbe24fc0367 in KMCommand::transferSelectedMsgs (this=0x31fe0c0) at ../../kmail/kmcommands.cpp:334
#10 0x00007fbe24fc086f in KMCommand::slotStart (this=0x31fe0c0) at ../../kmail/kmcommands.cpp:266
#11 0x00007fbe24fb24b6 in KMCommand::qt_metacall (this=0x31fe0c0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd0877480) at ./kmcommands.moc:86
#12 0x00007fbe3aaf7ddc in QMetaObject::activate (sender=0x23b1c10, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x498f390) at kernel/qobject.cpp:3113
#13 0x00007fbe3aafce1f in QSingleShotTimer::timerEvent (this=0x23b1c10) at kernel/qtimer.cpp:298
#14 0x00007fbe3aaf1d83 in QObject::event (this=0x23b1c10, e=0x478cd80) at kernel/qobject.cpp:1075
#15 0x00007fbe3b402efc in QApplicationPrivate::notify_helper (this=0x1d18c40, receiver=0x23b1c10, e=0x7fffd0877a90) at kernel/qapplication.cpp:4056
#16 0x00007fbe3b40a1ce in QApplication::notify (this=0x7fffd0877df0, receiver=0x23b1c10, e=0x7fffd0877a90) at kernel/qapplication.cpp:4021
#17 0x00007fbe3c039ab6 in KApplication::notify (this=0x7fffd0877df0, receiver=0x23b1c10, event=0x7fffd0877a90) at ../../kdeui/kernel/kapplication.cpp:302
#18 0x00007fbe3aae2c2c in QCoreApplication::notifyInternal (this=0x7fffd0877df0, receiver=0x23b1c10, event=0x7fffd0877a90) at kernel/qcoreapplication.cpp:610
#19 0x00007fbe3ab0d862 in QCoreApplication::sendEvent (this=0x1d25480) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#20 QTimerInfoList::activateTimers (this=0x1d25480) at kernel/qeventdispatcher_unix.cpp:572
#21 0x00007fbe3ab0b25d in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:165
#22 0x00007fbe3435cbbe in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0x00007fbe34360588 in ?? () from /lib/libglib-2.0.so.0
#24 0x00007fbe343606b0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#25 0x00007fbe3ab0b1a6 in QEventDispatcherGlib::processEvents (this=0x1ceacb0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#26 0x00007fbe3b4974be in QGuiEventDispatcherGlib::processEvents (this=0x7fffd0877220, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#27 0x00007fbe3aae1532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#28 0x00007fbe3aae1904 in QEventLoop::exec (this=0x7fffd0877d30, flags=) at kernel/qeventloop.cpp:201
#29 0x00007fbe3aae3ab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#30 0x0000000000403f47 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../kontact/src/main.cpp:218

Reported using DrKonqi