Date: Sat, 05 Sep 2009 08:53:40 -0400 From: Mike Tancsa <mike@sentex.net> To: Hans Petter Selasky <hselasky@c2i.net>, freebsd-usb@freebsd.org Subject: Re: USB_ERR_IOERROR on cold boot, not warm boot Message-ID: <200909051250.n85Co1Ve046513@lava.sentex.ca> In-Reply-To: <200909050905.39112.hselasky@c2i.net> References: <200909041918.n84JI3S7040121@lava.sentex.ca> <200909050905.39112.hselasky@c2i.net>
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At 03:05 AM 9/5/2009, Hans Petter Selasky wrote:
>On Friday 04 September 2009 21:21:41 Mike Tancsa wrote:
> > Not sure if this is a faulty device or just a quirk as to how it
> > works. But on cold boot (after a power cycle) it does not work. But
> > if I do a soft reboot, it attaches no problem
> >
> > Here is the diff on the boot verbose on the the cold boot vs warm boot
> >
> > # diff -u bad.txt good.txt | egrep "^\+|^\-"
> > -usb_alloc_device:1586: set address 2 failed (USB_ERR_IOERROR, ignored)
> > -usb_alloc_device:1624: getting device descriptor at addr 2 failed,
> > USB_ERR_IOERROR!
> > -usbd_req_re_enumerate:1539: addr=2, set address failed!
> > (USB_ERR_IOERROR, ignored)
> > -usbd_req_re_enumerate:1553: getting device descriptor at addr 2
> > failed, USB_ERR_IOERROR!
> > -usbd_req_re_enumerate:1539: addr=2, set address failed!
> > (USB_ERR_IOERROR, ignored)
> > -usbd_req_re_enumerate:1553: getting device descriptor at addr 2
> > failed, USB_ERR_IOERROR!
> > -ugen0.2: <(null)> at usbus0 (disconnected)
> > -uhub_reattach_port:435: could not allocate new device!
> > -ct_to_ts([2000-01-01 00:01:51]) = 946684911.000000000
> > -ct_to_ts([2000-01-01 00:01:51]) = 946684911.000000000
> > +ugen0.2: <HP> at usbus0
> > +u3g0: <Data Interface> on usbus0
> > +u3g0: Found 3 ports.
> > +ct_to_ts([2000-01-01 00:06:04]) = 946685164.000000000
> > +ct_to_ts([2000-01-01 00:06:04]) = 946685164.000000000
> >
> >
> > Is there something I can do to deal with this specific device
> > differently in the driver ? Its 8.0-BETA3 FreeBSD 8.0-BETA3 #2: Wed
> > Sep 2 using the u3g driver.
>
>Does this device have a button to enable it? Does it help pressing that
>button?
>
>One idea is to not power down the port which obviously gives the device power
>on failures.
Hi,
Its a mini-pciExpress card that is designed to be inside a
laptop, or in this case embedded device. So no buttons. The other
similar devices I have dont exhibit this behaviour so it seems to be
quirky to this particular model.
Here is the card and board
http://eastar4.com/ebay/SierraMC8775-2.jpg
http://www.pcengines.ch/alix6b2.htm
---Mike
--------------------------------------------------------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike@sentex.net
Providing Internet since 1994 www.sentex.net
Cambridge, Ontario Canada www.sentex.net/mike
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