> System: -current as of about 2 weeks ago, running on a 386sx-16, using
> pcvt console.
> 
> On a virtual console, I ssh to another host.  It works fine for a
> while, but eventually the ssh session "locks up"; it doesn't respond
> to anything I type.  Switching to another VC, ps axl reveals:

What is the other host in this scenario?  What OS is it running?  What
do `netstat -A' and `netstat -P' show for your ssh connection (after
it's hung for a couple of minutes is best)?