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Date: Sun, 25 Nov 2012 14:00:30 +0300
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Subject: Re: Increasing the DMESG buffer....
From: Sergey Kandaurov <pluknet@gmail.com>
To: perryh@pluto.rain.com
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Cc: adrian@freebsd.org, freebsd-stable@freebsd.org
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On 25 November 2012 10:10,  <perryh@pluto.rain.com> wrote:
> Alexander Motin <mav@freebsd.org> wrote:
>
>> On 25.11.2012 01:43, Adrian Chadd wrote:
>> > I'm surprised it's not tunable via a kenv variable at boottime..
>>
>> It is tunable. AFAIR that is it:
>> kern.msgbufsize="65536"       # Set size of kernel message buffer
>
> Yep.  That tunable is available in 8.2 (not 8.1), and I think in
> all 9.x; dunno if it was ever MFC'd to the 7.x branch.
>

The tunable was merged to stable/8 in March 2011 and
first appeared in 8.3. It was never merged to stable/7.
IIRC it should be quite easy to adopt those patches to stable/7.

-- 
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pluknet