listing all modules compiled into a kernel instance

[Maxim Khitrov]

On Mon, Feb 28, 2011 at 11:40 PM, Carl <k0802647 at telus.net> wrote:
> Kernel drivers can be (and in at least one case are) compiled into the
> kernel but are not reported when queried for, at least not in a way that I
> am aware of. For example, the ucom driver is present in the GENERIC kernel
> in this way. My expectation was that "kldstat -v" would list it, if present,
> but it does not. A design flaw?
>
> # ls /boot/kernel/ucom.ko
> /boot/kernel/ucom.ko
> # grep ucom /usr/src/sys/i386/conf/GENERIC
> # kldstat -v | grep ucom
> # kldload ucom.ko
> # tail -n 1 /var/log/messages
> Feb 28 18:18:15 xxxxxx kernel: interface ucom.1 already present in the KLD
> 'kernel'!
>
> How does one query an existing kernel for *all* compiled-in modules?
>
> I'm using FreeBSD-8.1-RELEASE-amd64/i386.
>
> Carl                                                   / K0802647

kldstat provides information about components that were loaded
dynamically. If your kernel was built with INCLUDE_CONFIG_FILE option
(enabled by default in GENERIC), then you can see the static
components using:

config -x /boot/kernel/kernel

See config(8) for more details.

- Max