Version:            (using KDE KDE 3.5.6)
Installed from:    Ubuntu Packages
Compiler:          gcc (GCC) 4.1.2 20060928 (prerelease) (Ubuntu 4.1.1-13ubuntu5) 
OS:                Linux

The first time I tried to connect to a channel, Konversation crashed:

[KCrash handler]
#6  0xb72e451b in QString::QString () from /usr/lib/libqt-mt.so.3
#7  0x081120e2 in QValueListPrivate<KURL>::~QValueListPrivate ()
#8  0x0816e735 in KActiveLabel::setSource ()
#9  0x0818b42d in QPointArray::~QPointArray ()
#10 0x0819086d in QPointArray::~QPointArray ()
#11 0xb6fcc957 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#12 0xb6fcd3fc in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#13 0xb78b9069 in KAction::activated () from /usr/lib/libkdeui.so.4
#14 0xb78f1842 in KAction::slotActivated () from /usr/lib/libkdeui.so.4
#15 0xb79beb9d in KAction::slotPopupActivated () from /usr/lib/libkdeui.so.4
#16 0xb79bee61 in KAction::qt_invoke () from /usr/lib/libkdeui.so.4
#17 0xb6fcc957 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#18 0xb7358f44 in QSignal::signal () from /usr/lib/libqt-mt.so.3
#19 0xb6fec8ea in QSignal::activate () from /usr/lib/libqt-mt.so.3
#20 0xb70f2fd3 in QPopupMenu::mouseReleaseEvent () from /usr/lib/libqt-mt.so.3
#21 0xb78bfefe in KPopupMenu::mouseReleaseEvent () from /usr/lib/libkdeui.so.4
#22 0xb7003729 in QWidget::event () from /usr/lib/libqt-mt.so.3
#23 0xb6f63b88 in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#24 0xb6f65d46 in QApplication::notify () from /usr/lib/libqt-mt.so.3
#25 0xb76dec82 in KApplication::notify () from /usr/lib/libkdecore.so.4
#26 0xb6ef63fd in QApplication::sendSpontaneousEvent ()
   from /usr/lib/libqt-mt.so.3
#27 0xb6ef4d3f in QETWidget::translateMouseEvent ()
   from /usr/lib/libqt-mt.so.3
#28 0xb6ef314c in QApplication::x11ProcessEvent () from /usr/lib/libqt-mt.so.3
#29 0xb6f0a320 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#30 0xb6f7e25e in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#31 0xb6f7e06e in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#32 0xb6f65731 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#33 0x0812acae in QMapPrivate<QString, QCString>::clear ()
#34 0xb68028cc in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#35 0x08079f21 in ?? ()

I was logged into irc.ocf.berkeley.edu. Konversation crashed as soon as I clicked "Join Channel...". When I restarted Konversation, it didn't crash anymore.