Date: Thu, 9 Feb 2006 19:13:47 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Cc: John Despujols <jcd_l@yahoo.com> Subject: Re: rev # changes Message-ID: <200602091913.49154.hselasky@c2i.net> In-Reply-To: <20060209154651.81143.qmail@web30414.mail.mud.yahoo.com> References: <20060209154651.81143.qmail@web30414.mail.mud.yahoo.com>
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On Thursday 09 February 2006 16:46, John Despujols wrote: > Hi, > I am trying to support a product on several servers. > All identical. And have run into a puzzleing > situation. > > On one particular station something peculiar is > happening, the rev of a usb product changes. Intially > it said 1.10/1.00 the entire time. Now it starts with > that, and after booting, it is 2.00/1.00 (see dmesg). > All of the other stations were and still are allways > 2.00? If I move the usb product to the other stations > the issue goes with the device. > > %dmesg | grep rev > usb0: USB revision 1.0 > uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, > addr 1 > usb1: USB revision 1.0 > uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, > addr 1 > ugen0: vendor 0xXXX1 product 0xXXX1, rev 1.10/1.00, > addr 2 > usb2: USB revision 2.0 > uhub2: (0x8086) EHCI root hub, class 9/0, rev > 2.00/1.00, addr 1 > ugen1: vendor 0xXXX1 product 0xXXX1, rev 2.00/1.00, > addr 2 > ugen0: vendor 0xXXX1 product 0xXXX1, rev 2.00/1.00, > addr 2 > The one time the device attaches at USB 1.0 speed. The other time at USB 2.0 speed. The USB config descriptors will consequently be different, and maybe also the revision. --HPS
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