rc.d script to load kernel modules
julian at freebsd.org
Mon Jun 13 16:23:41 UTC 2011
On 6/12/11 11:20 PM, Daniel Braniss wrote:
>> On 6/12/2011 1:56 AM, Jason Hellenthal wrote:
>>> Cutting modules out of the kernel in general does help speed up booting
>>> but loading those same modules later in the boot process will just lead
>>> you back to the same boot time.
>> Loading modules via loader.conf is many times slower than doing it from
>> disk after the system is partially booted. (As in, 2-3 seconds per
>> module vs. nearly instantaneous for all 6.)
>> I didn't offer my list as an example of what to do, I offered it as a
>> syntax example. I would of course expect people to use appropriate
>> discretion to load things in loader.conf that are necessary for boot.
>> (Of course, the fact that people can easily get this wrong is a strike
>> against the technique.)
>> There is no point in having an _enable for this script because if the
>> kld_list is empty, nothing happens.
> Doug's solution is what we have been using for a very long time!
> the loader.conf solution is not practical when it's shared among many
> hosts -like here where most of the hosts are dataless-, so, moving the not
> essential ones to rc.conf was the obvious solution.
what would be REALLY cool would be the ability to make loader.conf
have some sort of conditional
e.g. if MAC== 01:02:03:04:05:06
> my .5
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