diff options
Diffstat (limited to 'sbin/dumpon/dumpon.8')
-rw-r--r-- | sbin/dumpon/dumpon.8 | 18 |
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 |