docs/113570: dumpon(8), sysctl(8) refer to defunct variable "dumpdev"

[Sam Lawrance]

The following reply was made to PR docs/113570; it has been noted by GNATS.

From: Sam Lawrance <boris at brooknet.com.au>
To: bug-followup at 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