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Date: Sat, 18 Jul 2009 20:46:22 +0200
From: Michael Gmelin <freebsdusb@bindone.de>
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Subject: [usb2] Garmin Edge 705 disconnects immediately
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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.

Thanks
Michael