Diff for /src/share/man/man4/sbp.4 between versions 1.2 and 1.3

version 1.2, 2003/06/17 04:36:59 version 1.3, 2004/01/30 22:38:47
Line 29 Line 29
 .\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE  .\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.  .\" POSSIBILITY OF SUCH DAMAGE.
 .\"  .\"
.\" $FreeBSD: src/share/man/man4/sbp.4,v 1.1.2.3 2003/02/14 08:22:03 simokawa Exp $.\" $FreeBSD: src/share/man/man4/sbp.4,v 1.1.2.5 2003/12/25 22:51:32 brueffer Exp $
.\" $DragonFly: src/share/man/man4/sbp.4,v 1.1 2003/06/16 05:33:05 dillon Exp $.\" $DragonFly$
 .\"  .\"
 .Dd May 20, 2002  .Dd May 20, 2002
 .Dt SBP 4  .Dt SBP 4
Line 54  or Line 54  or
 .Sh DESCRIPTION  .Sh DESCRIPTION
 The  The
 .Nm  .Nm
driver provides support for SBP-2 devices that attach to the firewiredriver provides support for SBP-2 devices that attach to the FireWire
 (IEEE 1394) port.  (IEEE 1394) port.
It should work with SBP-2 devices which CAM layer supports, for example,It should work with SBP-2 devices which the CAM layer supports, for example,
HDD, CDROM drive and DVD drive.HDDs, CDROM drives and DVD drives.
 .Pp  .Pp
Some users familier withNote that
 .Xr umass 4  .Xr umass 4
might wander why the device is not detached at the CAM layer when the devicedoes not detach the device from the CAM layer when the device is unplugged.
is unplugged. It's detached only if the device has not been plugged againThe idea is to prevent detachment of active filesystems due to temporary
during several bus resets. This is for preventing to detach an active filesystemdisconnects or changes in the bus topology.  You may have to run
even when the device cannot be probe correctly for some reason after a bus reset.Dq Nm fwcontrol Fl r
or when the device is temporary disconnected because the user changes the busseveral times for the system to properly detach such devices.
topology. If you want to force to detach the device, run 'fwcontrol -r'.Pp
several times.Some (broken) HDDs don't work well with tagged queuing. If you have problems
 with such drives, try
 .Dq Nm camcontrol [device id] tags -N 1
 to disable tagged queuing.
 .Sh SEE ALSO  .Sh SEE ALSO
.Xr camcontrol 8 ,.Xr cam 4 ,
 .Xr firewire 4 ,  .Xr firewire 4 ,
   .Xr camcontrol 8 ,
 .Xr fwcontrol 8 ,  .Xr fwcontrol 8 ,
 .Xr kldload 8 ,  .Xr kldload 8 ,
 .Xr sysctl 8  .Xr sysctl 8

Removed from v.1.2  
changed lines
  Added in v.1.3