Comment 6 for bug 81568

I am experiencing a similar problem after upgrading to 2.2.4 today.

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Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread -1235138880 (LWP 2831)]
[KCrash handler]
#6 0xffffe410 in __kernel_vsyscall ()
#7 0xb666f875 in raise () from /lib/tls/i686/cmov/libc.so.6
#8 0xb6671201 in abort () from /lib/tls/i686/cmov/libc.so.6
#9 0xb6234dbc in sockaddr2sockshost () from /usr/lib/libdsocksd.so.0
#10 0xb622b051 in udpsetup () from /usr/lib/libdsocksd.so.0
#11 0xb622bbac in Rsendto () from /usr/lib/libdsocksd.so.0
#12 0xb752b4a8 in KSocks::sendto () from /usr/lib/libkdecore.so.4
#13 0xb764d646 in KNetwork::KSocksSocketDevice::writeBlock ()
   from /usr/lib/libkdecore.so.4
#14 0xb7656065 in KNetwork::KClientSocketBase::writeBlock ()
   from /usr/lib/libkdecore.so.4
#15 0xb76560f6 in KNetwork::KDatagramSocket::writeBlock ()
   from /usr/lib/libkdecore.so.4
#16 0xb764a7b0 in KNetwork::KDatagramSocket::send ()
   from /usr/lib/libkdecore.so.4
#17 0xb7e9d8fb in dht::RPCServer::send () from /usr/lib/libktorrent-2.2.4.so
#18 0xb7e9d9b6 in dht::RPCServer::sendMsg ()
   from /usr/lib/libktorrent-2.2.4.so
#19 0xb7e9e234 in dht::RPCServer::doCall () from /usr/lib/libktorrent-2.2.4.so
#20 0xb7eacb94 in dht::Task::rpcCall () from /usr/lib/libktorrent-2.2.4.so
#21 0xb7eaf4d1 in dht::AnnounceTask::update ()
   from /usr/lib/libktorrent-2.2.4.so
#22 0xb7eacee5 in dht::Task::start () from /usr/lib/libktorrent-2.2.4.so
#23 0xb7ea2fba in dht::DHT::announce () from /usr/lib/libktorrent-2.2.4.so
#24 0xb7eb0fdc in dht::DHTTrackerBackend::doRequest ()
   from /usr/lib/libktorrent-2.2.4.so
#25 0xb7eb112a in dht::DHTTrackerBackend::start ()
   from /usr/lib/libktorrent-2.2.4.so
#26 0xb7e933b2 in bt::PeerSourceManager::start ()
   from /usr/lib/libktorrent-2.2.4.so
#27 0xb7e52656 in bt::TorrentControl::continueStart ()
   from /usr/lib/libktorrent-2.2.4.so
#28 0xb7e528db in bt::TorrentControl::start ()
   from /usr/lib/libktorrent-2.2.4.so
#29 0xb7e89235 in bt::QueueManager::startSafely ()
   from /usr/lib/libktorrent-2.2.4.so
#30 0xb7e89867 in bt::QueueManager::start ()
   from /usr/lib/libktorrent-2.2.4.so
#31 0x080781b9 in ?? ()
#32 0x0807e398 in ?? ()
#33 0x0807c522 in ?? ()
#34 0x08074390 in ?? ()
#35 0x08076df1 in ?? ()
#36 0xb75dc91f in KUniqueApplication::processDelayed ()
   from /usr/lib/libkdecore.so.4
#37 0xb75de3d8 in KUniqueApplication::qt_invoke ()
   from /usr/lib/libkdecore.so.4
#38 0x080767ef in ?? ()
#39 0xb6ebf893 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#40 0xb724b8ec in QSignal::signal () from /usr/lib/libqt-mt.so.3
#41 0xb6edf842 in QSignal::activate () from /usr/lib/libqt-mt.so.3
#42 0xb6ee7258 in QSingleShotTimer::event () from /usr/lib/libqt-mt.so.3
#43 0xb6e56af0 in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#44 0xb6e5891f in QApplication::notify () from /usr/lib/libqt-mt.so.3
#45 0xb761dca2 in KApplication::notify () from /usr/lib/libkdecore.so.4
#46 0xb6de9209 in QApplication::sendEvent () from /usr/lib/libqt-mt.so.3
#47 0xb6e4953b in QEventLoop::activateTimers () from /usr/lib/libqt-mt.so.3
#48 0xb6dfdd49 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#49 0xb6e711ce in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#50 0xb6e70fde in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#51 0xb6e58699 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#52 0x0808da52 in ?? ()
#53 0xb665b050 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#54 0x0806a8e1 in ?? ()