Comment 8 for bug 624229

Here is the process that hangs on my machine:

ps ax | grep 2955

 2955 pts/6 Ds+ 0:00 /usr/bin/dpkg --status-fd 27 --unpack --auto-deconfigure /var/cache/apt/archives/libqt4-xml_4%3a4.6.2-0ubuntu5.1_i386.deb /var/cache/apt/archives/libqt4-dbus_4%3a4.6.2-0ubuntu5.1_i386.deb /var/cache/apt/archives/libqt4-network_4%3a4.6.2-0ubuntu5.1_i386.deb /var/cache/apt/archives/skype_2.1.0.81-1ubuntu5_i386.deb