(gdb) thread apply all backtrace                         

Thread 5 (Thread 0xb18feb90 (LWP 13820)):
#0  0xb8087430 in __kernel_vsyscall ()   
#1  0xb5f72392 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb651f894 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6                   
#3  0xb74e46ec in QWaitCondition::wait () from /usr/lib/libQtCore.so.4                          
#4  0xb7884ca9 in KNetwork::Internal::KResolverManager::requestData (this=0x8646120, th=0x8799780, maxWaitTime=2000)
    at /build/buildd/kde4libs-4.1.1+really4.1.1/kdecore/network/k3resolvermanager.cpp:370                           
#5  0xb7884d24 in KNetwork::Internal::KResolverThread::run (this=0x8799780)                                         
    at /build/buildd/kde4libs-4.1.1+really4.1.1/kdecore/network/k3resolvermanager.cpp:266                           
#6  0xb74e36ce in ?? () from /usr/lib/libQtCore.so.4                                                                
#7  0xb5f6e4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0                                           
#8  0xb651164e in clone () from /lib/tls/i686/cmov/libc.so.6                                                        

Thread 3 (Thread 0xb2af4b90 (LWP 13818)):
#0  0xb8087430 in __kernel_vsyscall ()   
#1  0xb5f72392 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb651f894 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6                   
#3  0xb74e46ec in QWaitCondition::wait () from /usr/lib/libQtCore.so.4                          
#4  0xb7884ca9 in KNetwork::Internal::KResolverManager::requestData (this=0x8646120, th=0x87ad1e8, maxWaitTime=2000)
    at /build/buildd/kde4libs-4.1.1+really4.1.1/kdecore/network/k3resolvermanager.cpp:370                           
#5  0xb7884d24 in KNetwork::Internal::KResolverThread::run (this=0x87ad1e8)                                         
    at /build/buildd/kde4libs-4.1.1+really4.1.1/kdecore/network/k3resolvermanager.cpp:266                           
#6  0xb74e36ce in ?? () from /usr/lib/libQtCore.so.4                                                                
#7  0xb5f6e4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0                                           
#8  0xb651164e in clone () from /lib/tls/i686/cmov/libc.so.6                                                        

Thread 2 (Thread 0xb32f5b90 (LWP 13817)):
#0  0xb8087430 in __kernel_vsyscall ()   
#1  0xb6506de7 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0xb5fbec32 in ?? () from /usr/lib/libglib-2.0.so.0     
#3  0xb5fbef61 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0xb75fe618 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#5  0xb75d26ca in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#6  0xb75d288a in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#7  0xb35e5e59 in QCA::SyncThread::run () from /usr/lib/libqca.so.2
#8  0xb74e36ce in ?? () from /usr/lib/libQtCore.so.4
#9  0xb5f6e4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#10 0xb651164e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb59636c0 (LWP 13809)):
#0  0xb64a8b11 in memcpy () from /lib/tls/i686/cmov/libc.so.6
#1  0xb7891070 in KNetwork::Internal::KSocketBuffer::sendTo (this=0x86505c8, dev=0x8658590, len=-1)
    at /usr/include/bits/string3.h:52
#2  0xb787afd0 in KNetwork::KBufferedSocket::slotWriteActivity (this=0x864e2a0)
    at /build/buildd/kde4libs-4.1.1+really4.1.1/kdecore/network/k3bufferedsocket.cpp:349
#3  0xb787ae00 in KNetwork::KBufferedSocket::qt_metacall (this=0x864e2a0, _c=QMetaObject::InvokeMetaMethod, _id=1,
    _a=0xbfea027c) at /build/buildd/kde4libs-4.1.1+really4.1.1/obj-i486-linux-gnu/kdecore/k3bufferedsocket.moc:68
#4  0xb75e8c00 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#5  0xb75e9982 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#6  0xb76237d3 in QSocketNotifier::activated () from /usr/lib/libQtCore.so.4
#7  0xb75ee7d7 in QSocketNotifier::event () from /usr/lib/libQtCore.so.4
#8  0xb6ab7c9c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#9  0xb6abfb1e in QApplication::notify () from /usr/lib/libQtGui.so.4
#10 0xb7b1219d in KApplication::notify (this=0xbfea08ac, receiver=0x8641128, event=0xbfea0640)
    at /build/buildd/kde4libs-4.1.1+really4.1.1/kdeui/kernel/kapplication.cpp:311
#11 0xb75d4001 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#12 0xb75fe8aa in ?? () from /usr/lib/libQtCore.so.4
#13 0xb5fbb6f8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#14 0xb5fbeda3 in ?? () from /usr/lib/libglib-2.0.so.0
#15 0xb5fbef61 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#16 0xb75fe618 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#17 0xb6b522b5 in ?? () from /usr/lib/libQtGui.so.4
#18 0xb75d26ca in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#19 0xb75d288a in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#20 0xb75d4f45 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#21 0xb6ab7b17 in QApplication::exec () from /usr/lib/libQtGui.so.4
#22 0x0808aa6f in main (argc=2, argv=0xbfea0c94) at /build/buildd/kdenetwork-4.1.1/kopete/kopete/main.cpp:102