USB Devices not appearing in /dev

Ronald Klop ronald-freebsd8 at
Sat Dec 3 05:09:51 PST 2005

On Sat, 03 Dec 2005 12:59:14 +0100, Jonathan Chen <jonc at> wrote:

> Hi,
> I'm running 6.0-STABLE, and I'm encountering some difficulties with
> USB devices not appearing in /dev. When I plug in a USB Bluetooth
> dongle, the console responds with:
> ubt0: SiW SiW, rev 1.10/15.00, addr 2
> ubt0: Interface 0 endpoints: interrupt=0x81, bulk-in=0x82, bulk-out=0x2
> ubt0: Interface 1 (alt.config 5) endpoints: isoc-in=0x83, isoc-out=0x3;  
> wMaxPacketSize=49; nframes=6, buffer size=294
> However, if I look in /dev, I only see the generic usb[0-3] devices.
> When I used to run 5.4-STABLE, the device entries did appear in /dev.
> I have a similar problem with Palm devices and ucom0 not appearing.
> What am I missing?

For ubt* this is normal behaviour. Ubt0 is a netgraph 'device'. Do 'ngctl  
list' as root and you will see it.
For more info use the freebsd-bluetooth at list.
I don't have experience with ucom*.


  Ronald Klop
  Amsterdam, The Netherlands

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