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Revert r156046. We support setting dumpdev via loader tunable again.

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Also change default disk name to ada.

MFC after:	3 weeks
This commit is contained in:
Andrey V. Elsukov 2014-10-08 12:19:48 +00:00
parent 0478dc0c16
commit a62c8c6a99
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=272747
1 changed files with 13 additions and 3 deletions
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16
sbin/dumpon/dumpon.8
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@ -28,7 +28,7 @@
.\" From: @(#)swapon.8 8.1 (Berkeley) 6/5/93
.\" $FreeBSD$
.\"
.Dd April 29, 2013
.Dd October 8, 2014
.Dt DUMPON 8
.Os
.Sh NAME
@ -124,9 +124,18 @@ performs a
on
.Pa /dev/null
and thus instructs the kernel not to save crash dumps.
.Pp
Since
.Nm
cannot be used during kernel initialization, the
.Va dumpdev
variable of
.Xr loader 8
must be used to enable dumps for system panics which occur
during kernel initialization.
.Sh FILES
.Bl -tag -width "/dev/{ad,da}?s?b" -compact
.It Pa /dev/{ad,da}?s?b
.Bl -tag -width "/dev/{ada,da}?s?b" -compact
.It Pa /dev/{ada,da}?s?b
standard swap areas
.It Pa /etc/rc.conf
boot-time system configuration
@ -136,6 +145,7 @@ boot-time system configuration
.Xr rc.conf 5 ,
.Xr config 8 ,
.Xr init 8 ,
.Xr loader 8 ,
.Xr rc 8 ,
.Xr savecore 8 ,
.Xr swapon 8 ,