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Date:      Thu, 11 Apr 2002 16:18:15 -0700 (PDT)
From:      Archie Cobbs <archie@dellroad.org>
To:        "Patrick O'Reilly" <bsd@perimeter.co.za>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: documentation for loader.conf variables?
Message-ID:  <200204112318.g3BNIFB08170@arch20m.dellroad.org>
In-Reply-To: <200204112322.34336@.perimeter.co.za> "from Patrick O'Reilly at Apr 11, 2002 11:24:17 pm"

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Patrick O'Reilly writes:
> > Are the kernel override variables that can go into /boot/loader.conf
> > listed and/or documented somewhere?
> >
> > I'm talking about things like:
> >
> > 	hw.ata.wc="0"
> > 	kern.hz="1000"
> 
> these variable relate to "sysctl".  man sysctl for more info.  sysctl 
> -a will list them all, though it does not explain what each one means.

You are correct that they relate to sysctl but they are
not the same thing.. e.g., 'kern.hz' in loader.conf becomes
'kern.clockrate.hz' in sysctl, i.e., it's not a 1:1 correspondence.

Since they're not the same somewhere they ought to be documented...
though I'm getting the feeling they're not :-)

FYI, below is a list of all the ones I found by hunting through
the kernel. No idea what most of them do.

Thanks,
-Archie

__________________________________________________________________________
Archie Cobbs     *     Packet Design     *     http://www.packetdesign.com

hw.aac.iosize_max
hw.ata.ata_dma
hw.ata.atapi_dma
hw.ata.tags
hw.ata.wc
hw.pcic.boot_deactivated
hw.pcic.ignore_function_1
hw.pcic.init_routing
hw.pcic.intr_path
hw.pcic.irq
hw.snd.unit
hw.snd.verbose
hw.wx.txint_delay
kern.dfldsiz
kern.dflssiz
kern.hz
kern.ipc.maxsockets
kern.ipc.nmbclusters
kern.ipc.nmbufs
kern.ipc.nsfbufs
kern.maxbcache
kern.maxdsiz
kern.maxfiles
kern.maxproc
kern.maxssiz
kern.maxswzone
kern.maxtsiz
kern.maxusers
kern.nbuf
kern.ncallout
kern.sgrowsiz
kern.splassertmode
kern.vm.kmem.size
machdep.pccard.pcic_irq
net.inet.tcp.syncache.bucketlimit
net.inet.tcp.syncache.cachelimit
net.inet.tcp.syncache.hashsize
net.inet.tcp.tcbhashsize
vm.pmap.pv_entries
vm.pmap.shpgperproc

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