get slave is waiting in:
========================

#0  0x00002b9c9ab3b612 in select () from /lib64/libc.so.6
#1  0x00002b9c98e3eb8f in QNativeSocketEnginePrivate::nativeSelect (this=0x5e8820, timeout=-1, checkRead=true, checkWrite=true, selectForRead=0x7fff1400b88f, selectForWrite=0x7fff1400b88e)
    at qnativesocketengine_unix.cpp:916
#2  0x00002b9c98e26216 in QNativeSocketEngine::waitForReadOrWrite (this=0x5da9d0, readyToRead=0x7fff1400b88f, readyToWrite=0x7fff1400b88e, checkRead=true, checkWrite=true, msecs=-1, timedOut=0x0)
    at qnativesocketengine.cpp:819
#3  0x00002b9c98e3471d in QAbstractSocket::waitForBytesWritten (this=0x5da370, msecs=-1) at qabstractsocket.cpp:1583
#4  0x00002b9c974c4711 in KIO::SocketConnectionBackend::sendCommand (this=0x5c8de0, task=@0x7fff1400b920) at /home/amarok-dev/kde/src/KDE/kdelibs/kio/kio/connection.cpp:288
#5  0x00002b9c974c362c in KIO::Connection::sendnow (this=0x5cb540, _cmd=100, data=@0x7fff1400ba00) at /home/amarok-dev/kde/src/KDE/kdelibs/kio/kio/connection.cpp:488
#6  0x00002b9c974c3870 in KIO::Connection::send (this=0x5cb540, cmd=100, data=@0x7fff1400ba00) at /home/amarok-dev/kde/src/KDE/kdelibs/kio/kio/connection.cpp:472
#7  0x00002b9c97581ce0 in KIO::SlaveBase::send (this=0x7fff1400e6f0, cmd=100, arr=@0x7fff1400ba00) at /home/amarok-dev/kde/src/KDE/kdelibs/kio/kio/slavebase.cpp:1262
#8  0x00002b9c9758370f in KIO::SlaveBase::data (this=0x7fff1400e6f0, data=@0x7fff1400ba00) at /home/amarok-dev/kde/src/KDE/kdelibs/kio/kio/slavebase.cpp:385
#9  0x00002b9c9bdea2c9 in HTTPProtocol::slotData (this=0x7fff1400e6e0, _d=@0x7fff1400e8c8) at /home/amarok-dev/kde/src/KDE/kdelibs/kioslave/http/http.cpp:4159
#10 0x00002b9c9bdeb3c7 in HTTPProtocol::qt_metacall (this=0x7fff1400e6e0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff1400c0d0) at /home/amarok-dev/kde/build/KDE/kdelibs/kioslave/http/http.moc:68
#11 0x00002b9c96cc1d9c in QMetaObject::activate (sender=0x7fff1400e120, from_signal_index=4, to_signal_index=4, argv=0x7fff1400c0d0) at kernel/qobject.cpp:3086
#12 0x00002b9c96cc2193 in QMetaObject::activate (sender=0x7fff1400e120, m=0x2b9c9bf10340, local_signal_index=0, argv=0x7fff1400c0d0) at kernel/qobject.cpp:3148
#13 0x00002b9c9be06b61 in HTTPFilterBase::output (this=0x7fff1400e120, _t1=@0x7fff1400e8c8) at /home/amarok-dev/kde/build/KDE/kdelibs/kioslave/http/httpfilter.moc:82
#14 0x00002b9c9be06bb0 in HTTPFilterChain::slotInput (this=0x7fff1400e120, d=@0x7fff1400e8c8) at /home/amarok-dev/kde/src/KDE/kdelibs/kio/httpfilter/httpfilter.cc:76
#15 0x00002b9c9bdefa3e in HTTPProtocol::readBody (this=0x7fff1400e6e0, dataInternal=false) at /home/amarok-dev/kde/src/KDE/kdelibs/kioslave/http/http.cpp:4360
#16 0x00002b9c9bdfc20b in HTTPProtocol::retrieveContent (this=0x7fff1400e6e0, dataInternal=false) at /home/amarok-dev/kde/src/KDE/kdelibs/kioslave/http/http.cpp:487
#17 0x00002b9c9be00468 in HTTPProtocol::get (this=0x7fff1400e6e0, url=@0x7fff1400e5c0) at /home/amarok-dev/kde/src/KDE/kdelibs/kioslave/http/http.cpp:1190
#18 0x00002b9c975840f3 in KIO::SlaveBase::dispatch (this=0x7fff1400e6f0, command=67, data=@0x7fff1400e640) at /home/amarok-dev/kde/src/KDE/kdelibs/kio/kio/slavebase.cpp:1012
#19 0x00002b9c9758493f in KIO::SlaveBase::dispatchLoop (this=0x7fff1400e6f0) at /home/amarok-dev/kde/src/KDE/kdelibs/kio/kio/slavebase.cpp:274
#20 0x00002b9c9be01964 in kdemain (argc=4, argv=0x5443f0) at /home/amarok-dev/kde/src/KDE/kdelibs/kioslave/http/http.cpp:103
#21 0x0000000000406c32 in launch (argc=4, _name=0x543f98 "kio_http", args=0x544039 "", cwd=0x0, envc=0, envs=0x544041 "", reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x40af78 "0")
    at /home/amarok-dev/kde/src/KDE/kdelibs/kinit/kinit.cpp:614
#22 0x000000000040776d in handle_launcher_request (sock=10) at /home/amarok-dev/kde/src/KDE/kdelibs/kinit/kinit.cpp:1175
#23 0x0000000000407f2d in handle_requests (waitForPid=0) at /home/amarok-dev/kde/src/KDE/kdelibs/kinit/kinit.cpp:1366
#24 0x00000000004088b4 in main (argc=2, argv=0x7fff14010928, envp=0x7fff14010940) at /home/amarok-dev/kde/src/KDE/kdelibs/kinit/kinit.cpp:1799

bytesToWrite() == 1458


application is idling with:
===========================

Job->d_func()->m_getJob->d_func()->m_slave->d_func()->connection->d->suspended
== false
Job->d_func()->m_putJob->d_func()->m_slave->d_func()->connection->d->suspended
== true
Job->d_func()->m_putJob->d_func()->m_internalSuspended
== true
$backend=('KIO::SocketConnectionBackend'*)Job->d_func()->m_getJob->d_func()->m_slave->d_func()->connection->d->backend
$backend->socket->bytesAvailable()
== 1