usb camera attach failure

[Hans Petter Selasky]

On Friday 16 April 2010 02:05:25 Dmitry Marakasov wrote:
> Hi!
> 
> I have ASUS VK246H monitor with built-in webcam. This device, however,
> fails to attach:
> 
> Apr 16 04:02:54 hades kernel: usb_alloc_device:1624: getting device
>  descriptor at addr 2 failed, USB_ERR_TIMEOUT! Apr 16 04:02:56 hades
>  kernel: usbd_req_re_enumerate:1553: getting device descriptor at addr 2
>  failed, USB_ERR_TIMEOUT! Apr 16 04:02:58 hades kernel:
>  usbd_req_re_enumerate:1553: getting device descriptor at addr 2 failed,
>  USB_ERR_TIMEOUT! Apr 16 04:02:58 hades kernel: ugen3.2: <(null)> at usbus3
>  (disconnected) Apr 16 04:02:58 hades kernel: uhub_reattach_port:435: could
>  not allocate new device!
> 
> Here's the verbose log:
> http://people.freebsd.org/~amdmi3/usb-attach.log
> 
> The device attaches fine to linux though, and works fine there.
> 

Hi,

What version of FreeBSD are you running.

You can try:

sysctl hw.usb.ehci.no_hs=1

before attaching.

--HPS