That kind of makes sense, as the TTY background process is a generic process used by all terminal lines (console, aux, async, and so on.
Now, although you've checked for the classic signs of CSCdy01705, the version of IOS that you are running does not have the fix -- 12.3(2) was the first 12.3 mainline release with the fix. Also, there are numerous bugs with varying symptoms that were duplicated to the same bug, so you could still be running into that.
[toc:faq]The ProblemOn traditional switches whenever we have a trunk
interface we use the VLAN tag to demultiplex the VLANs. The switch needs
to determine which MAC Address table to look in for a forwarding
decision. To do this we require the switch to do...
[toc:faq]Introduction:Netdr is a tool available on a RSP720, Sup720 or
Sup32 that allows one to capture packets on the RP or SP inband. The
netdr command can be used to capture both Tx and Rx packets in the
software switching path. This is not a substitut...
IntroductionOSPF, being a link-state protocol, allows for every router
in the network to know of every link and OSPF speaker in the entire
network. From this picture each router independently runs the Shortest
Path First (SPF) algorithm to determine the b...