svn commit: r291295 - stable/10/sys/boot/common

[Steven Hartland]

Author: smh
Date: Wed Nov 25 08:58:07 2015
New Revision: 291295
URL: https://svnweb.freebsd.org/changeset/base/291295

Log:
  MFC r291012:
  
  Document loader(8) dumpdev option
  
  Sponsored by:	Multiplay

Modified:
  stable/10/sys/boot/common/loader.8
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/boot/common/loader.8
==============================================================================
--- stable/10/sys/boot/common/loader.8	Wed Nov 25 08:51:43 2015	(r291294)
+++ stable/10/sys/boot/common/loader.8	Wed Nov 25 08:58:07 2015	(r291295)
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd July 25, 2015
+.Dd November 18, 2015
 .Dt LOADER 8
 .Os
 .Sh NAME
@@ -471,6 +471,14 @@ userland output (e.g.\& from
 .It Va currdev
 Selects the default device.
 Syntax for devices is odd.
+.It Va dumpdev
+Sets the device for kernel dumps.
+This can be used to ensure that a device is configured before the corresponding
+.Va dumpdev
+directive from
+.Xr rc.conf 5
+has been processed, allowing kernel panics that happen during the early stages
+of boot to be captured.
 .It Va init_chroot
 If set to a valid directory in the root file system, it causes
 .Xr init 8