I upgraded my firewall to NetBSD/i386 3.1 and unfortunately removed the 3.1_RCx
sources, build directories and crash dumps (I needed more space).

I haven't seen the crash now for few days but I'll make the sources, build
directory and crash dump available when the panic happens next time...

fw:~> uptime
 3:07PM  up 9 days, 17:55, 1 user, load averages: 0.16, 0.14, 0.09

fw:~> uname -srm
NetBSD 3.1 i386