On Wednesday 22 February 2012 18:22:47 Hans Petter Selasky wrote:
> On Wednesday 22 February 2012 13:36:20 zulu wrote:
> > Hi,
> > 
> > I can't use my external HDD attached to my laptop. The drive enclosure
> > is a Fantec db 229 U3 case (USB3). My laptop has only USB2 ports.
> > 
> > I have tested this with both FreeBSD 9.0 RELEASE and FreeBSD 9 STABLE
> > - same issues.
> > 
> > Tested with linux too on the same hardware and it is working fine. The
> > manual which came with the drive enclosure states Linux, Mac OSX and
> > Windows support.
> > 
> > Can someone please point me to the right direction? I have included
> > some dumps bellow.
> > 
> > Many thanks,
> > 
> > Peter
> > 
> > dmesg:
> > 
> > usb_alloc_device: set address 2 failed (USB_ERR_STALLED, ignored)
> > 
> > usbd_setup_device_desc: getting device descriptor at addr 2 failed,
> > USB_ERR_STALLED
> > usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_STALLED,
> > ignored)
> > usbd_setup_device_desc: getting device descriptor at addr 2 failed,
> > USB_ERR_STALLED
> > usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_STALLED,
> > ignored)
> > usbd_setup_device_desc: getting device descriptor at addr 2 failed,
> > USB_ERR_STALLED
> > ugen1.2:  at usbus1 (disconnected)

Hi,

If you have a kernel compiled with debugging support, you can tun the 
following sysctls:

hw.usb.pr_recovery_delay: 250
hw.usb.pr_poll_delay: 50

Also make sure:

Device is self powered.

Tried to connect using external HUB.

--HPS
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