Version:           1.12.1 (using KDE 4.3.1)
OS:                Linux
Installed from:    Ubuntu Packages

Not always does it happen.

When composing or replying to an email, when filling up the recipent names, Kmail crashes.

I have LDAP lookups active to access my corporate Active Directory Server so I can get the enterprise addresss list.

Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xb78bcd38 in ?? () from /usr/lib/libkdepim.so.4
#7  0xb78bb62a in KPIM::AddresseeLineEdit::slotLDAPSearchData () from /usr/lib/libkdepim.so.4
#8  0xb78bc6c2 in KPIM::AddresseeLineEdit::qt_metacall () from /usr/lib/libkdepim.so.4
#9  0xb3b91bea in ?? () from /usr/lib/libkmailprivate.so.4
#10 0xb3c089ba in ?? () from /usr/lib/libkmailprivate.so.4
#11 0xb5d591b8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0xb5d59e42 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#13 0xb78bfa63 in KPIM::LdapSearch::searchData () from /usr/lib/libkdepim.so.4
#14 0xb78c37ff in KPIM::LdapSearch::slotDataTimer () from /usr/lib/libkdepim.so.4
#15 0xb78c388d in KPIM::LdapSearch::finish () from /usr/lib/libkdepim.so.4
#16 0xb78c38d0 in KPIM::LdapSearch::slotLDAPDone () from /usr/lib/libkdepim.so.4
#17 0xb78c68ab in KPIM::LdapSearch::qt_metacall () from /usr/lib/libkdepim.so.4
#18 0xb5d591b8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#19 0xb5d59e42 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#20 0xb78bfb97 in KPIM::LdapClient::done () from /usr/lib/libkdepim.so.4
#21 0xb78c034f in KPIM::LdapClient::slotDone () from /usr/lib/libkdepim.so.4
#22 0xb78c3dbb in KPIM::LdapClient::qt_metacall () from /usr/lib/libkdepim.so.4
#23 0xb5d591b8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#24 0xb5d59e42 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#25 0xb5f800b3 in KJob::result () from /usr/lib/libkdecore.so.5
#26 0xb5f80559 in KJob::emitResult () from /usr/lib/libkdecore.so.5
#27 0xb707e995 in KIO::SimpleJob::slotFinished () from /usr/lib/libkio.so.5
#28 0xb707f2d3 in KIO::TransferJob::slotFinished () from /usr/lib/libkio.so.5
#29 0xb707b87b in KIO::TransferJob::qt_metacall () from /usr/lib/libkio.so.5
#30 0xb5d591b8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#31 0xb5d59e42 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#32 0xb71448d7 in KIO::SlaveInterface::finished () from /usr/lib/libkio.so.5
#33 0xb7148617 in KIO::SlaveInterface::dispatch () from /usr/lib/libkio.so.5
#34 0xb7144db7 in KIO::SlaveInterface::dispatch () from /usr/lib/libkio.so.5
#35 0xb7136b2d in KIO::Slave::gotInput () from /usr/lib/libkio.so.5
#36 0xb7138fc3 in KIO::Slave::qt_metacall () from /usr/lib/libkio.so.5
#37 0xb5d591b8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#38 0xb5d59e42 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#39 0xb7042697 in KIO::Connection::readyRead () from /usr/lib/libkio.so.5
#40 0xb7044003 in ?? () from /usr/lib/libkio.so.5
#41 0xb70443e6 in KIO::Connection::qt_metacall () from /usr/lib/libkio.so.5
#42 0xb5d528cb in QMetaCallEvent::placeMetaCall () from /usr/lib/libQtCore.so.4
#43 0xb5d543b0 in QObject::event () from /usr/lib/libQtCore.so.4
#44 0xb6206d3c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#45 0xb620f03e in QApplication::notify () from /usr/lib/libQtGui.so.4
#46 0xb6e0085d in KApplication::notify () from /usr/lib/libkdeui.so.5
#47 0xb5d43bcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#48 0xb5d44825 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#49 0xb5d44a1d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#50 0xb5d6f6af in ?? () from /usr/lib/libQtCore.so.4
#51 0xb4e14b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#52 0xb4e180eb in ?? () from /usr/lib/libglib-2.0.so.0
#53 0xb4e18268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#54 0xb5d6f2f8 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#55 0xb62a8a75 in ?? () from /usr/lib/libQtGui.so.4
#56 0xb5d421fa in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#57 0xb5d42642 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#58 0xb5d44ae9 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#59 0xb6206bb7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#60 0x0804bfef in _start ()