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-rw-r--r--sbin/dumpon/dumpon.818
1 files changed, 12 insertions, 6 deletions
diff --git a/sbin/dumpon/dumpon.8 b/sbin/dumpon/dumpon.8
index 99c2cc3..8d57557 100644
--- a/sbin/dumpon/dumpon.8
+++ b/sbin/dumpon/dumpon.8
@@ -93,12 +93,24 @@ or to
.Ar special_file
is the text string:
.Dq Li off .
+.Pp
+Since
+.Nm
+can only be called after the system enters single-user mode,
+it can not be used to create dumps
+for system panics during kernel initialization. In such cases you
+have to use
+.Va dumpdev
+tunable provided by
+.Xr loader 8
+instead.
.Sh SEE ALSO
.Xr sysctl 3 ,
.Xr fstab 5 ,
.Xr rc.conf 5 ,
.Xr config 8 ,
.Xr init 8 ,
+.Xr loader 8 ,
.Xr rc 8 ,
.Xr savecore 8 ,
.Xr swapon 8 ,
@@ -113,12 +125,6 @@ boot-time system configuration
.Sh BUGS
Because the filesystem layer is already dead by the time a crash dump
is taken, it is not possible to send crash dumps directly to a file.
-.Pp
-Since
-.Nm
-can only be called after the system enters single-user mode,
-it can not be used to create dumps
-for system panics during kernel initialization.
.Sh HISTORY
The
.Nm
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