5.4 freezes randomly

[Dan O'Connor]

>I have installed a FreeBSD 5.4-RELEASE router, with mpd4 (for pptp
> clients) and with ng_netflow for traffic collecting, the machine also
> performs NAT be means of pfnat.
>
> But my machine occasionally freezes. It does not respond to echo
> requests over ethernet and it even does not respond to keyboard.
>
> I have connected this machine with another one via serial cable
> and when it hang, I've entered debugger (see below). I've tried to
> install FreeBSD 6.0-RELEASE, mpd4, ng_netflow on another machine
> with different hardware, and those machine freezes too. Is there any
> solution? Thank you, sorry for my English.

I don't know if this will help, but mpd4 is the development version--I'd 
try mpd 3 (/usr/ports/net/mpd). I'm using it for a VPN server on FBSD 
6.0, without any troubles...

Good luck,

~Dan