It locks up hard about every other day or so, and can be made to crash reliably by just scp-ing
large files over the local 100Mbps interface.
I am attempting to scp a 1.2gb dvd iso image across eth1 at the moment. I'll let you know how I get on, but it's been going for about 3 mins so far and seems to be doing okay (transfer speed is down at 569 KiB/s according to WinSCP.