Date: Sun, 19 Jul 2009 15:30:04 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: Michael Gmelin <freebsdusb@bindone.de> Cc: freebsd-usb@freebsd.org Subject: Re: [usb2] Garmin Edge 705 disconnects immediately Message-ID: <200907191530.05768.hselasky@c2i.net> In-Reply-To: <4A630E1F.1050900@bindone.de> References: <4A62187E.1000506@bindone.de> <200907190930.53835.hselasky@c2i.net> <4A630E1F.1050900@bindone.de>
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On Sunday 19 July 2009 14:14:23 Michael Gmelin wrote: > Hans Petter Selasky wrote: > > On Saturday 18 July 2009 20:46:22 Michael Gmelin wrote: > >> Hello, > >> > >> I'm trying to access a Garmin Edge 705 bike computer, which should show > >> up as a mass storage device. > >> > >> kldload usb2_controller_uhci|ehci > >> > >> Jul 18 19:37:55 ufo kernel: ugen2.2: <Garmin International> at usbus2 > >> Jul 18 19:37:55 ufo kernel: ugen2.2: <Garmin International> at usbus2 > >> (disconnected) > >> > >> kldload usb2_storage_mass > >> kldload usb2_controller_uhci > >> Jul 18 19:38:06 ufo kernel: ugen2.2: <Garmin International> at usbus2 > >> Jul 18 19:38:06 ufo kernel: umass0: <Garmin International Edge 705, > >> class 0/0, rev 1.10/5.09, addr 2> on usbus2 > >> Jul 18 19:38:06 ufo kernel: umass0: SCSI over Bulk-Only; quirks = > >> 0x0000 Jul 18 19:38:08 ufo kernel: umass0:1:0:-1: Attached to scbus1 > >> Jul 18 19:38:08 ufo kernel: umass0: at ushub2, port 1, addr 2 > >> (disconnected) Jul 18 19:38:08 ufo kernel: ugen2.2: <Garmin > >> International> at usbus2 (disconnected) > >> > >> Tried various quirks without any success for usb2_storage_mass (afaik it > >> should be SCSI | BBB). Also tried all possible orders of attaching the > >> device/ > >> > >> Setting various debugging sysctls didn't give any useful hints (didn't > >> see anything extraordinary). > >> usbconfig doesn't show anything because the device disappears > >> immediately. I would assume that this is not a problem with _storage but > >> the device expecting some initialization which doesn't happen (or > >> happens too often). Also tried various usb2_quirk settings, all without > >> success. > >> > >> VendorId: 0x091e > >> ProductId: 0x2271 > >> > >> Maybe someone can give me a hint where to start debugging this. > > > > You can try: > > > > sysctl hw.usb.debug=15 > > > > I suspect that the USB stack in your device has some bugs. Sounds like > > the bike-computer manufacturer are not the ones to spend the most money > > on USB. > > > > --HPS > > I attached you the log output which clearly indicates trouble. Maybe > some more info on the device: It has in-built memory + a memory card, > which should come up as separate devices. It boots up and shows that it > is connected to a computer, after a couple of seconds (once detach > failed) it will fallback to charging mode. I think the device could also > used as a serial device to gather GPS input, so maybe that's part of the > problem. > > Considering the price of the device I wish they would have spent more > money on usb. On the other hand the GPS sensor is fantastic and the > device overall is really awesome (it seems to mount ok under linux and I > couldn't find anyone who had to do any patching for that, the linux > kernel also no quirks for it, so I hope it's just a minor flaw in the > protocol that makes usb2 fail because it aims to be standard compliant :). > Could you redo the trace without umass loaded? --HPS
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