Date: Thu, 4 Oct 2012 14:32:46 +0200 From: Guido van Rooij <guido@gvr.org> To: Hans Petter Selasky <hselasky@c2i.net> Cc: freebsd-usb@freebsd.org Subject: Re: usb3 umass device on usb2 port not recognised Message-ID: <20121004123246.GA35605@gvr.gvr.org> In-Reply-To: <20121004114339.GA34782@gvr.gvr.org> References: <20121003200529.GA26591@gvr.gvr.org> <201210041028.11226.hselasky@c2i.net> <20121004083344.GA33440@gvr.gvr.org> <201210041214.47534.hselasky@c2i.net> <20121004114339.GA34782@gvr.gvr.org>
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On Thu, Oct 04, 2012 at 01:43:39PM +0200, Guido van Rooij wrote: > On Thu, Oct 04, 2012 at 12:14:47PM +0200, Hans Petter Selasky wrote: > > On Thursday 04 October 2012 10:33:44 Guido van Rooij wrote: > > > ct 4 10:31:23 beck kernel: uhub_reattach_port: Port 3 is in Host Mode > > > Oct 4 10:31:24 beck kernel: uhub_read_port_status: port 3, > > > wPortStatus=0x0500, wPortChange=0x0001, > > > > Hi, > > > > There is a high speed port detection, but it somehow fails. wPortChange=0x0001 > > > > In: > > sys/dev/usb/controller/ehci.c > > > > Lookup this and you find the reset sequence which is failing. > > > > case UHF_PORT_RESET: > > DPRINTFN(6, "reset port %d\n", index); > > > > Suggestions: > > > > a) Do the reset sequence twice. Did that but did not make a difference. > > b) Reduce the USB reset delays. I take it you mean to increase the reset delay? Did that and alos did not make a difference. As a side note: I tried the disk on a Ubuntu 12.04 system, and there it works imediately. -Guido
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