Date: Wed, 11 Sep 2013 09:07:57 +0200 From: Hans Petter Selasky <hps@bitfrost.no> To: Kannan Manickam <me@arangamani.net> Cc: freebsd-usb@freebsd.org Subject: Re: Issue detecting with USB 3.0 device on USB 2.0 port Message-ID: <523016CD.6000104@bitfrost.no> In-Reply-To: <CAPcwmG6Fo6_w0nNa2M2s0aBLpve%2BLCvzp0deeRCturUJnCYuPQ@mail.gmail.com> References: <CAPcwmG6Fo6_w0nNa2M2s0aBLpve%2BLCvzp0deeRCturUJnCYuPQ@mail.gmail.com>
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On 09/11/13 08:01, Kannan Manickam wrote: > Hello guys, > > I recently bought a Samsung D3 station 3 TB USB 3.0 external drive and > tried to hook it up to my laptop which runs freebsd 9.1 and only has USB > 2.0 ports. The device is not detected (shown as not configured) on my > laptop. I see the following in the `dmesg`: > > ugen6.3: <Samsung> at usbus6 > umass1: <Samsung D3 Station, class 0/0, rev 2.10/2.00, addr 3> on usbus6 > umass1: SCSI over Bulk-Only; quirks = 0x0100 > umass1:6:1:-1: Attached to scbus6 > ugen6.3: <Samsung> at usbus6 (disconnected) > umass1: at uhub6, port 2, addr 3 (disconnected) > (da1:umass-sim1:1:0:0): lost device - 0 outstanding, 2 refs > (da1:umass-sim1:1:0:0): got CAM status 0xa > (da1:umass-sim1:1:0:0): fatal error, failed to attach to device > (pass3:umass-sim1:1:0:0): passdevgonecb: devfs entry is gone > > > `camcontrol devlist` doesn't list this device. > > I tried disconnecting and reconnecting the device many times but no luck. > This device works fine with other Operating systems with both USB 2.0 as > well as USB 3.0. The device has a separate power supply so it doesn't rely > on the USB power. I tried browsing through various forums but couldn't find > any solution. > > Any thoughts on how to resolve this issue will be greatly appreciated. Hi, Try running: usbdump -i usbus6 -f 3 -s 65536 -vvv Before hooking up the device and see what is going on. --HPS
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