Version:           3.0.4 (using KDE KDE 3.0.4)
Installed from:    SuSE RPMs
OS:          Linux

The KDE session was open at least 4 days. When I returned, I started to type some commands in the Konsole (not the konqueror terminal). During typing, the konqueror crash window appeared and gave this backtrack:
(no debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...[New Thread 1024 (LWP 4952)]

0x40e13079 in wait4 () from /lib/libc.so.6
#0  0x40e13079 in wait4 () from /lib/libc.so.6
#1  0x40e8db98 in __DTOR_END__ () from /lib/libc.so.6
#2  0x40cc9072 in waitpid () from /lib/libpthread.so.0
#3  0x4056fc8e in KCrash::defaultCrashHandler ()
   from /opt/kde3/lib/libkdecore.so.4
#4  0x40cc6a74 in pthread_sighandler () from /lib/libpthread.so.0
#5  <signal handler called>
#6  0x415e9c3e in KonqSidebarDirTreeModule::slotListingStopped ()
   from /opt/kde3/lib/kde3/konq_sidebartree_dirtree.so
#7  0x415ea3f1 in KonqSidebarDirTreeModule::qt_invoke ()
   from /opt/kde3/lib/kde3/konq_sidebartree_dirtree.so
#8  0x407f45c5 in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#9  0x401c54a5 in KDirLister::canceled () from /opt/kde3/lib/libkio.so.4
#10 0x401bfeb4 in KDirListerCache::forgetDirs () from /opt/kde3/lib/libkio.so.4
#11 0x401c3556 in KDirListerCache::deleteDir () from /opt/kde3/lib/libkio.so.4
#12 0x401c0a57 in KDirListerCache::FilesRemoved ()
   from /opt/kde3/lib/libkio.so.4
#13 0x401c1034 in KDirListerCache::slotFileDeleted ()
   from /opt/kde3/lib/libkio.so.4
#14 0x401c64e5 in KDirListerCache::qt_invoke () from /opt/kde3/lib/libkio.so.4
#15 0x407f4564 in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#16 0x407f480b in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#17 0x40194949 in KDirWatch::deleted () from /opt/kde3/lib/libkio.so.4
#18 0x40194768 in KDirWatch::setDeleted () from /opt/kde3/lib/libkio.so.4
#19 0x40193283 in KDirWatchPrivate::emitEvent () from /opt/kde3/lib/libkio.so.4
#20 0x40193395 in KDirWatchPrivate::slotRescan ()
   from /opt/kde3/lib/libkio.so.4
#21 0x40194b90 in KDirWatchPrivate::qt_invoke () from /opt/kde3/lib/libkio.so.4
#22 0x407f4564 in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#23 0x407f44ae in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#24 0x40a30f89 in QTimer::timeout () from /usr/lib/qt3/lib/libqt-mt.so.3
#25 0x4080e36f in QTimer::event () from /usr/lib/qt3/lib/libqt-mt.so.3
#26 0x407b42c6 in QApplication::internalNotify ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#27 0x407b4164 in QApplication::notify () from /usr/lib/qt3/lib/libqt-mt.so.3
#28 0x40516105 in KApplication::notify () from /opt/kde3/lib/libkdecore.so.4
#29 0x40767220 in qt_activate_timers () from /usr/lib/qt3/lib/libqt-mt.so.3
#30 0x40764e3c in QApplication::processNextEvent ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#31 0x407b57a2 in QApplication::enter_loop ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#32 0x40764a5b in QApplication::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#33 0x40f92d54 in main () from /opt/kde3/lib/konqueror.so
#34 0x0804cff7 in strcpy ()
#35 0x0804dd7a in strcpy ()
#36 0x0804e295 in strcpy ()
#37 0x0804f177 in strcpy ()
#38 0x40d889ed in __libc_start_main () from /lib/libc.so.6