Version:           1.9.7 (using 3.5.7) (using KDE KDE 3.5.7)
Installed from:    Debian testing/unstable Packages
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.19.3

When I manually filter emails kmail sometimes crashes.  Let me know what other kind of info you need.

Thanks!

backtrace from K crash handler:

Using host libthread_db library "/lib/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1250081072 (LWP 10994)]
[New Thread -1278170224 (LWP 10998)]
[New Thread -1269781616 (LWP 10997)]
[New Thread -1261393008 (LWP 10996)]
[New Thread -1253004400 (LWP 10995)]
[KCrash handler]
#5  0xb7bb8a99 in KMFolder::find (this=0x2e737075, msg=0x87690b8)
    at /tmp/buildd/kdepim-3.5.7/./kmail/kmfolder.cpp:425
#6  0xb7df4eec in KMHeaders::applyFiltersOnMsg (this=0x8549df0)
    at /tmp/buildd/kdepim-3.5.7/./kmail/kmheaders.cpp:1396
#7  0xb7bbc7ea in KMMainWidget::slotApplyFilters (this=0x805fe28)
    at /tmp/buildd/kdepim-3.5.7/./kmail/kmmainwidget.cpp:1670
#8  0xb7eb8835 in KMMainWidget::qt_invoke (this=0x805fe28, _id=124, 
    _o=0xbff6e39c) at ./kmmainwidget.moc:578
#9  0xb7080d4f in QObject::activate_signal (this=0x85c2a60, clist=0x85c2c98, 
    o=0xbff6e39c) at kernel/qobject.cpp:2356
#10 0xb70817e0 in QObject::activate_signal (this=0x85c2a60, signal=2)
    at kernel/qobject.cpp:2325
#11 0xb5fd1729 in KAction::activated (this=0x85c2a60) at ./kaction.moc:176
#12 0xb6006b02 in KAction::slotActivated (this=0x85c2a60)
    at /tmp/buildd/kdelibs-3.5.7.dfsg.1/./kdeui/kaction.cpp:1102
#13 0xb60d306f in KAction::qt_invoke (this=0x85c2a60, _id=15, _o=0xbff6e4ac)
    at ./kaction.moc:218
#14 0xb7080d4f in QObject::activate_signal (this=0x8680de8, clist=0x85e0720, 
    o=0xbff6e4ac) at kernel/qobject.cpp:2356
#15 0xb70817e0 in QObject::activate_signal (this=0x8680de8, signal=2)
    at kernel/qobject.cpp:2325
#16 0xb7665f49 in KAccelPrivate::menuItemActivated (this=0x8680de8)
    at ./kaccelprivate.moc:110
#17 0xb76b63f7 in KAccelPrivate::emitActivatedSignal (this=0x8680de8, 
    pAction=0x86c04b8)
    at /tmp/buildd/kdelibs-3.5.7.dfsg.1/./kdecore/kaccel.cpp:403
#18 0xb774fdde in KAccelPrivate::eventFilter (this=0x8680de8, 
    pEvent=0xbff6e96c)
    at /tmp/buildd/kdelibs-3.5.7.dfsg.1/./kdecore/kaccel.cpp:373
#19 0xb7080302 in QObject::activate_filters (this=0x853a6e0, e=0xbff6e96c)
    at kernel/qobject.cpp:903
#20 0xb7080380 in QObject::event (this=0x853a6e0, e=0xbff6e96c)
    at kernel/qobject.cpp:735
#21 0xb70b7612 in QWidget::event (this=0x853a6e0, e=0xbff6e96c)
    at kernel/qwidget.cpp:4678
#22 0xb718c8bc in QMainWindow::event (this=0x853a6e0, e=0xbff6e96c)
    at widgets/qmainwindow.cpp:1687
#23 0xb7018c26 in QApplication::internalNotify (this=0xbff6ee20, 
    receiver=0x853a6e0, e=0xbff6e96c) at kernel/qapplication.cpp:2635
#24 0xb701abda in QApplication::notify (this=0xbff6ee20, receiver=0x8591ed8, 
    e=0xbff6e96c) at kernel/qapplication.cpp:2392
#25 0xb7732142 in KApplication::notify (this=0xbff6ee20, receiver=0x8591ed8, 
    event=0xbff6e96c)
    at /tmp/buildd/kdelibs-3.5.7.dfsg.1/./kdecore/kapplication.cpp:550
#26 0xb76c24b7 in KAccelEventHandler::x11Event (this=0x85383d0, 
    pEvent=0xbff6ec98) at /usr/share/qt3/include/qapplication.h:520
#27 0xb7719483 in KApplication::x11EventFilter (this=0xbff6ee20, 
    _event=0xbff6ec98)
    at /tmp/buildd/kdelibs-3.5.7.dfsg.1/./kdecore/kapplication.cpp:1651
#28 0xb6f99183 in qt_x11EventFilter (ev=0xbff6ec98)
    at kernel/qapplication_x11.cpp:387
#29 0xb6fa90ab in QApplication::x11ProcessEvent (this=0xbff6ee20, 
    event=0xbff6ec98) at kernel/qapplication_x11.cpp:3343
#30 0xb6fbfd02 in QEventLoop::processEvents (this=0x8085110, flags=4)
    at kernel/qeventloop_x11.cpp:192
#31 0xb7033179 in QEventLoop::enterLoop (this=0x8085110)
    at kernel/qeventloop.cpp:198
#32 0xb7032f9a in QEventLoop::exec (this=0x8085110)
    at kernel/qeventloop.cpp:145
#33 0xb701a7bf in QApplication::exec (this=0xbff6ee20)
    at kernel/qapplication.cpp:2758
#34 0x0804a26d in main (argc=)
    at /tmp/buildd/kdepim-3.5.7/./kmail/main.cpp:110
#35 0xb77e7ebc in __libc_start_main () from /lib/libc.so.6
#36 0x08049fe1 in _start ()