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Date:      Mon, 16 Feb 2009 10:23:05 -0900
From:      Mel <fbsd.questions@rachie.is-a-geek.net>
To:        freebsd-questions@freebsd.org
Cc:        Da Rock <rock_on_the_web@comcen.com.au>
Subject:   Re: Old user can't log in
Message-ID:  <200902161023.05182.fbsd.questions@rachie.is-a-geek.net>
In-Reply-To: <1234498626.13067.96.camel@laptop1.herveybayaustralia.com.au>
References:  <325E4EC8-BD2B-45C1-978C-4922D16D3A94@identry.com> <ECDF6933-47F6-4D67-AC5C-5E149590D971@identry.com> <1234498626.13067.96.camel@laptop1.herveybayaustralia.com.au>

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On Thursday 12 February 2009 19:17:05 Da Rock wrote:

> I've been following this thread with interest: are you saying FreeBSD
> logins cannot handle more than 16 groups? If so, why? 

Because the kernel needs to keep this info. At the time of conception, 16 
shorts (16*4=64) per login and maxusers of 10, is only 640 bytes kernel 
memory. When working with 32MB physical memory per machine those 640 bytes 
sound a lot more invasive.
The variable is defined in sys/sys/syslimits.h, in case you need to tune your 
kernel.

In any case, work is being done to make this a sysctl runtime tuneable:
http://lists.freebsd.org/pipermail/freebsd-hackers/2009-February/027738.html
-- 
Mel

Problem with today's modular software: they start with the modules
    and never get to the software part.



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