Date: Mon, 13 Jun 2011 09:23:14 -0700 From: Julian Elischer <julian@freebsd.org> To: Daniel Braniss <danny@cs.huji.ac.il> Cc: jhell@DataIX.net, Doug Barton <dougb@freebsd.org>, freebsd-current@freebsd.org Subject: Re: rc.d script to load kernel modules Message-ID: <4DF63972.8070006@freebsd.org> In-Reply-To: <E1QW0VI-000Ohl-K4@kabab.cs.huji.ac.il> References: <4DF3E98B.40108@FreeBSD.org> <20110612085649.GA11503@DataIX.net> <4DF50AA1.9080607@FreeBSD.org> <E1QW0VI-000Ohl-K4@kabab.cs.huji.ac.il>
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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
clauses..
e.g. if MAC== 01:02:03:04:05:06
blah
> my .5
>
> danny
>
>
>
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