After running the 3Ware diagnostic script, the status of the array went to OK. A short time later, it reverted to this

$ sudo /usr/local/sbin/tw_cli info c0 u0

Unit UnitType Status %RCmpl %V/I/M Port Stripe Size(GB)
————————————————————————
u0 […]

I discovered this tonight. I don’t know how long this has been going on.

$ sudo tw_cli info c0

Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
——————————————————————————
u0 RAID-10 OK […]

Oh… Apparently this afflicted 7.3-RELEASE for a short while, then was corrected in 7.3-STABLE. So I’m not sure what problem I was encountering below. The consensus now is I was hitting MAXCPU. But I should have hit that on 7.2.
I upgraded a VM to FreeBSD 7.3 from 7.2 and now it won’t boot. […]

— /etc/master.passwd 2010-03-08 16:00:49.000000000 +0000
+++ ./etc/master.passwd 2010-08-23 01:04:12.000000000 +0100
@@ -1,6 +1,6 @@
-# $FreeBSD: src/etc/master.passwd,v 1.40 2005/06/06 20:19:56 brooks Exp $
+# $FreeBSD: src/etc/master.passwd,v 1.40.22.1 2009/08/03 08:13:06 kensmith Exp $
#
-root:*:0:0::0:0:Charlie &:/root:/bin/csh
+root::0:0::0:0:Charlie &:/root:/bin/csh
toor:*:0:0::0:0:Bourne-again Superuser:/root:
daemon:*:1:1::0:0:Owner of many system processes:/root:/usr/sbin/nologin
operator:*:2:5::0:0:System &:/:/usr/sbin/nologin
@@ -21,23 +21,3 @@
pop:*:68:6::0:0:Post Office Owner:/nonexistent:/usr/sbin/nologin
www:*:80:80::0:0:World Wide Web Owner:/nonexistent:/usr/sbin/nologin
nobody:*:65534:65534::0:0:Unprivileged user:/nonexistent:/usr/sbin/nologin
-dan:*:1001:1001::0:0:Dan Langille:/home/dan:/usr/local/bin/bash
-pgsql:*:70:70::0:0:PostgreSQL Daemon:/usr/local/pgsql:/bin/sh
-mysql:*:88:88::0:0:MySQL […]

I recently upgraded xorg on my workstation at the office. Immediately I started seeing problems with one of the monitors. It would go empty/blank/black for three seconds, then resume normal operation. Then it would go blank again when I interacted with the screen. In short, that one monitor was completely useless.
Swapping cables […]

This is the /var/log/Xorg.0.log for my RadeonHD.

X.Org X Server 1.7.5
Release Date: 2010-02-16
X Protocol Version 11, Revision 0
Build Operating System: FreeBSD 8.1-STABLE amd64
Current Operating System: FreeBSD subie.example.com 8.1-STABLE FreeBSD 8.1-STABLE #1: Wed Aug 11 14:34:19 EDT 2010 dlangille@subie.example.com:/usr/obj/usr/src/sys/DVL amd64
Build Date: 12 August 2010 05:57:37PM

Current version of pixman: 0.16.6
[…]

This is the xorg.conf file for my RadeonHD setupt

Section “ServerLayout”
Option “AllowEmptyInput” “off”
Identifier “X.org Configured”
Screen 0 “Screen0″ 0 0
[…]