Date: Tue, 12 Jun 2007 14:30:14 GMT From: Sam Lawrance <boris@brooknet.com.au> To: freebsd-doc@FreeBSD.org Subject: Re: docs/113570: dumpon(8), sysctl(8) refer to defunct variable "dumpdev" Message-ID: <200706121430.l5CEUEs3066732@freefall.freebsd.org>
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The following reply was made to PR docs/113570; it has been noted by GNATS.
From: Sam Lawrance <boris@brooknet.com.au>
To: bug-followup@FreeBSD.org
Cc:
Subject: Re: docs/113570: dumpon(8), sysctl(8) refer to defunct variable "dumpdev"
Date: Tue, 12 Jun 2007 22:45:53 +1000
A copy for the PR...
On 11/06/2007, at 9:47 PM, Remko Lodder wrote:
>>
>>
>>> Description:
>>>
>> The dumpon and sysctl man pages refer to the loader variable
>> "dumpdev" and
>> sysctl "kern.dumpdev" as a method of setting the dump device
>> before boot.
>>
>> It seems that this method is no longer available.
>>
>>
>
> Hi Sam,
>
> It seems that the only reference to dumpdev is indeed in rc.conf
> but you were reporting this about the boot/loader.conf right?
> (Just want to be sure).
>
Sorry, I mucked up. I was referring to this in dumpon.8:
Since dumpon cannot be used during kernel initialization, the
dumpdev
variable of loader(8) must be used to enable dumps for system
panics
which occur during kernel initialization.
But it has already been removed (I didn't check the most current man
pages). In sysctl.8, I think these mentions should still be removed:
kern.dumpdev dev_t yes
... ... ...
The device used for crash dumps can be specified using:
sysctl kern.dumpdev=/dev/somedev
which is equivalent to
dumpon /dev/somedev
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