i've got about 12 packages held back wonder if this could be why it's buffering every 5 secs?

/home/user # apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages have been kept back:
libqtm-12 libqtm-12-contacts libqtm-12-declarative libqtm-12-location libqtm-12-messaging
libqtm-12-multimedia libqtm-12-publishsubscribe libqtm-12-serviceframework
libqtm-12-systeminfo libqtm-12-versit
0 upgraded, 0 newly installed, 0 to remove and 10 not upgraded.
/home/user #