Version:           1.7.50 (using KDE 3.3.1, SuSE)
Compiler:          gcc version 3.3.3 (SuSE Linux)
OS:                Linux (i686) release 2.6.5-7.111-default

KMail HEAD embbede from kontact - backtrace:

Using host libthread_db library "/lib/tls/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 1099964992 (LWP 7532)]
[KCrash handler]
#7  0x4202888f in QValueVectorPrivate<KMMessage*>::empty (this=0x8)
    at qvaluevector.h:86
#8  0x420280c8 in QValueVector<KMMessage*>::empty (this=0x89a81f8)
    at qvaluevector.h:301
#9  0x420273d2 in QValueVector<KMMessage*>::isEmpty (this=0x89a81f8)
    at qvaluevector.h:468
#10 0x4200f1bf in KMComposeWin::deadLetter (this=0x89a80c8)
    at /mnt/home/be/sources/kde/kdepim/kmail/kmcomposewin.cpp:675
#11 0x420ea94a in KMKernel::dumpDeadLetters (this=0x8312478)
    at /mnt/home/be/sources/kde/kdepim/kmail/kmkernel.cpp:1367
#12 0x420ecb6c in KMKernel::qt_invoke (this=0x8312478, _id=2, _o=0xbfffe950)
    at kmkernel.moc:144
#13 0x4102813e in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3