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List: freebsd-current
Subject: Re: Updated ec-burst.diff patch
From: John Baldwin <jhb () freebsd ! org>
Date: 2003-07-03 17:32:57
[Download RAW message or body]
On 03-Jul-2003 Nate Lawson wrote:
> On Thu, 3 Jul 2003, M. Warner Losh wrote:
>> In message: <20030701164231.M88547@root.org>
>> Nate Lawson <nate@root.org> writes:
>> : On Wed, 2 Jul 2003, Florian Smeets wrote:
>> : > I set hw.acpi.ec.burst_mode=0 in loader.conf but when i was trying to
>> : > chek if it was set to 0 with sysctl hw.acpi.ec.burst_mode i got :
>> : >
>> : > flo@lappi [~] 15 #sysctl hw.acpi.ec.burst_mode
>> : > sysctl: unknown oid 'hw.acpi.ec.burst_mode'
>> :
>> : It's a tunable, not a sysctl. So you can only set it in loader.conf. Are
>> : there any messages when you boot with that in your loader.conf? Would you
>> : please post a separate dmesg for that case?
>>
>> I personally think that all tunable should be read-only (or rw if
>> possible) sysctls...
>
> I'm still not sure why we have both mechanisms. Perhaps a useful approach
> would be to sweep the tree for tunables and change them to sysctls with
> appropriate permissions (read-only if in doubt). Then remove the tunable
> mechanism. Care to put together a patch?
Cause you can't set sysctl's from the loader, only tunables? Are you
going to duplicate the entire kernel environment from 'kenv' in
sysctl?
--
John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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