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Date:      Sat, 9 Feb 2013 23:36:15 +0100
From:      Hans Petter Selasky <hselasky@c2i.net>
To:        Paul Schenkeveld <paul@psconsult.nl>
Cc:        freebsd-usb@freebsd.org
Subject:   Re: Pencam does not attach
Message-ID:  <201302092336.15778.hselasky@c2i.net>
In-Reply-To: <20130209200403.GA58311@psconsult.nl>
References:  <20130209125156.GA15557@psconsult.nl> <201302091556.53324.hselasky@c2i.net> <20130209200403.GA58311@psconsult.nl>

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On Saturday 09 February 2013 21:04:03 Paul Schenkeveld wrote:
> On Sat, Feb 09, 2013 at 03:56:53PM +0100, Hans Petter Selasky wrote:
> > On Saturday 09 February 2013 13:51:56 Paul Schenkeveld wrote:
> > > Hi,
> > > 
> > > I tried to use a USB pen camera with flash drive but get no more than:
> > >   usbus7: port reset timeout
> > >   uhub_reattach_port: port 1 reset failed, error=USB_ERR_TIMEOUT
> > >   uhub_reattach_port: device problem (USB_ERR_TIMEOUT), disabling port
> > >   1 usbd_set_config_index: could not read device status:
> > >   USB_ERR_STALLED usbd_req_re_enumerate: addr=3, set address failed!
> > >   (USB_ERR_STALLED,
> > > 
> > > ignored) usbd_req_re_enumerate: addr=3, set address failed!
> > > (USB_ERR_STALLED, ignored) usb_alloc_device: Failure selecting
> > > configuration index 0:USB_ERR_STALLED, port 1, addr 3 (ignored)
> > > ugen7.3: <MagicPixel> at usbus7
> > > 
> > >   ugen7.3: <MagicPixel> at usbus7 (disconnected)
> > > 
> > > It works fine on a Macbook so I know it's not broken.
> > > 
> > > Any chance of getting this to work?
> > > 
> > > BTW I'm running 8.3-STABLE with a kernel built in May 2012.
> > 
> > Hi,
> > 
> > > With kind regards,
> > 
> > You should try 8-stable first. There has been some timing fixes in this
> > area.
> 
> Just compiled a 8-STABLE kernel (svn rev 246578).  Initially I get the
> almost same errors as above:
> 
>   usbus7: port reset timeout
>   uhub_reattach_port: port 1 reset failed, error=USB_ERR_TIMEOUT
>   uhub_reattach_port: device problem (USB_ERR_TIMEOUT), disabling port 1
>   usbd_set_config_index: could not read device status: USB_ERR_STALLED
>   usbd_req_re_enumerate: addr=3, set address failed! (USB_ERR_STALLED,
> ignored) usbd_req_re_enumerate: addr=3, set address failed!
> (USB_ERR_STALLED, ignored) usb_alloc_device: Failure selecting
> configuration index 0:USB_ERR_STALLED, port 1, addr 3 (ignored) ugen7.3:
> <MagicPixel> at usbus7
>   ugen7.3: <MagicPixel> at usbus7 (disconnected)
> 
> > See: sysctl hw.usb.timings
> 
> Could not find documentation but with guessing and trying I got rid of
> the first three messages using hw.usb.timings.port_powerup_delay=100:
> 
>   usbd_set_config_index: could not read device status: USB_ERR_STALLED
>   usbd_req_re_enumerate: addr=3, set address failed! (USB_ERR_STALLED,
> ignored) usbd_req_re_enumerate: addr=3, set address failed!
> (USB_ERR_STALLED, ignored) usb_alloc_device: Failure selecting
> configuration index 0:USB_ERR_STALLED, port 2, addr 3 (ignored) ugen7.3:
> <MagicPixel> at usbus7
>   ugen7.3: <MagicPixel> at usbus7 (disconnected)
> 
> Anything else I should try?

Hi,

Can you identify the limit at which your device works / does not work by using 
binary search.

Also try to play with the other tunables, and see what happens!

--HPS



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