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| version 1.2, 2003/06/17 04:36:59 | version 1.3, 2004/01/30 22:38:47 |
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| 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 firewire | driver 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 with | Note that |
| .Xr umass 4 | .Xr umass 4 |
| might wander why the device is not detached at the CAM layer when the device | does 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 again | The idea is to prevent detachment of active filesystems due to temporary |
| during several bus resets. This is for preventing to detach an active filesystem | disconnects 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 bus | several 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 |