Strange problem with kldload and pf

[Matt Emmerton]

> Fresh install of FreeBSD 6.0-RELEASE from CD.
>
> With the GENERIC kernel, I was able to 'kldload pf' to get the pf
firewall.
> However this doesn't work after I rebuilt a new kernel; it fails to load.
>
> All I did was add IPSEC and disable IPv6. The exact config diff from
GENERIC
> is attached below.
>
> However this module file definitely exists, and has a timestamp from when
> the kernel was rebuilt:
>
>     # ls -l /boot/kernel/pf.ko
>     -r-xr-xr-x  1 root  wheel  188030 Dec 28 15:15 /boot/kernel/pf.ko
>     # wc -c /boot/kernel/pf.ko
>       188030 /boot/kernel/pf.ko
>
> I guess I can go ahead and rebuild the kernel again, this time with pf
built
> in. However I would like to know why I can't load pf as a module, even
> though it seems to have been successfully built as one.

Sometimes kldload fails mysteriously, and more helpful error messages are
dumped in /var/log/messages.  But only sometimes.

--
Matt Emmerton