Anybody seen this?  It is external USB DVD device.  Messages below, loops there 
apparently forever, tried about a minute.

RELENG_9 from today (11th November 2012)

It is connected to a powered hub, the problem also appears when directly 
connecting to another FreeBSD 9 host (binary updated with freebsd-update).

I am also seeing this on Finn-id barcode scanner (behaves like a keyboard), it 
worked fine on FreeBSD 8, with similar errors.

Nov 11 22:48:02 lelu kernel: ugen2.6: <vendor 0x0424> at usbus2
Nov 11 22:48:02 lelu kernel: uhub10: <vendor 0x0424 product 0x2502, class 9/0, rev 
2.00/0.01, addr 6> on usbus2
Nov 11 22:48:02 lelu kernel: uhub10: 2 ports with 2 removable, self powered
Nov 11 22:48:03 lelu kernel: usb_alloc_device: set address 7 failed 
(USB_ERR_STALLED, ignored)
Nov 11 22:48:03 lelu kernel: usbd_setup_device_desc: getting device descriptor 
at addr 7 failed, USB_ERR_STALLED
Nov 11 22:48:03 lelu kernel: usbd_req_re_enumerate: addr=7, set address failed! 
(USB_ERR_STALLED, ignored)
Nov 11 22:48:03 lelu kernel: usbd_setup_device_desc: getting device descriptor 
at addr 7 failed, USB_ERR_STALLED
Nov 11 22:48:04 lelu kernel: usbd_req_re_enumerate: addr=7, set address failed! 
(USB_ERR_STALLED, ignored)
Nov 11 22:48:04 lelu kernel: usbd_setup_device_desc: getting device descriptor 
at addr 7 failed, USB_ERR_STALLED
Nov 11 22:48:04 lelu kernel: ugen2.7: <Unknown> at usbus2 (disconnected)
Nov 11 22:48:04 lelu kernel: uhub_reattach_port: could not allocate new device
Nov 11 22:48:04 lelu kernel: usb_alloc_device: set address 7 failed 
(USB_ERR_STALLED, ignored)
Nov 11 22:48:07 lelu kernel: ugen2.7: <HLDS Inc.> at usbus2
Nov 11 22:48:07 lelu kernel: umass0: <HLDS Inc. Super Multi Rewriter, class 0/0, 
rev 2.00/0.00, addr 7> on usbus2
Nov 11 22:48:07 lelu kernel: umass0:  SCSI over Bulk-Only; quirks = 0x0100
Nov 11 22:48:07 lelu kernel: umass0:9:0:-1: Attached to scbus9
Nov 11 22:48:08 lelu kernel: usb_alloc_device: set address 8 failed 
(USB_ERR_STALLED, ignored)
Nov 11 22:48:08 lelu kernel: usbd_setup_device_desc: getting device descriptor 
at addr 8 failed, USB_ERR_STALLED
Nov 11 22:48:08 lelu kernel: usbd_req_re_enumerate: addr=8, set address failed! 
(USB_ERR_STALLED, ignored)
Nov 11 22:48:08 lelu kernel: usbd_setup_device_desc: getting device descriptor 
at addr 8 failed, USB_ERR_STALLED
Nov 11 22:48:09 lelu kernel: usbd_req_re_enumerate: addr=8, set address failed! 
(USB_ERR_STALLED, ignored)
Nov 11 22:48:09 lelu kernel: usbd_setup_device_desc: getting device descriptor 
at addr 8 failed, USB_ERR_STALLED
Nov 11 22:48:09 lelu kernel: ugen2.8: <Unknown> at usbus2 (disconnected)
Nov 11 22:48:09 lelu kernel: uhub_reattach_port: could not allocate new device
Nov 11 22:48:09 lelu kernel: usb_alloc_device: set address 8 failed 
(USB_ERR_STALLED, ignored)
Nov 11 22:48:09 lelu kernel: usbd_setup_device_desc: getting device descriptor 
at addr 8 failed, USB_ERR_STALLED
Nov 11 22:48:10 lelu kernel: usbd_req_re_enumerate: addr=8, set address failed! 
(USB_ERR_STALLED, ignored)
Nov 11 22:48:10 lelu kernel: usbd_setup_device_desc: getting device descriptor 
at addr 8 failed, USB_ERR_STALLED
Nov 11 22:48:11 lelu kernel: usbd_req_re_enumerate: addr=8, set address failed! 
(USB_ERR_STALLED, ignored)
Nov 11 22:48:11 lelu kernel: usbd_setup_device_desc: getting device descriptor 
at addr 8 failed, USB_ERR_STALLED
Nov 11 22:48:11 lelu kernel: ugen2.8: <Unknown> at usbus2 (disconnected)
Nov 11 22:48:11 lelu kernel: uhub_reattach_port: could not allocate new device
Nov 11 22:48:11 lelu kernel: (cd1:umass-sim0:0:0:0): got CAM status 0x4
Nov 11 22:48:11 lelu kernel: (cd1:umass-sim0:0:0:0): fatal error, failed to 
attach to device
Nov 11 22:48:11 lelu kernel: (cd1:umass-sim0:0:0:0): lost device, 4 refs
Nov 11 22:48:11 lelu kernel: (cd1:umass-sim0:0:0:0): removing device entry
Nov 11 22:48:11 lelu kernel: usb_alloc_device: set address 8 failed 
(USB_ERR_STALLED, ignored)
Nov 11 22:48:11 lelu kernel: usbd_setup_device_desc: getting device descriptor 
at addr 8 failed, USB_ERR_STALLED
Nov 11 22:48:11 lelu kernel: usbd_req_re_enumerate: addr=8, set address failed! 
(USB_ERR_STALLED, ignored)
Nov 11 22:48:11 lelu kernel: usbd_setup_device_desc: getting device descriptor 
at addr 8 failed, USB_ERR_STALLED
Nov 11 22:48:12 lelu kernel: usbd_req_re_enumerate: addr=8, set address failed! 
(USB_ERR_STALLED, ignored)

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