dmesg empty after shutdown -r


This is very strange.

After "shutdown -r now" and the subsequent reboot, I have
logged in to my machine
FreeBSD qemg.org 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Sun Feb 24 10:35:36 UTC 2008 root@xxxxxxxxxxxxxxxxxxxxxxxx:/usr/obj/usr/src/sys/GENERIC amd64

Everything seems to be running normally, except "dmesg" produces
no output, and /var/run/dmesg.boot is zero bytes long.

Does anyone have any ideas why this would ever occur? Or even how
it could occur?

Andrew.

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