Issue detecting with USB 3.0 device on USB 2.0 port

[Kannan Manickam]

Hans,

I tried and captured the dump and I don't think I understand much by
reading the dump. Here it is: https://cryptobin.org/31t509u4 (Password:
FreeBSD). Hope you can help.

Thanks,
Kannan.


On Wed, Sep 11, 2013 at 12:07 AM, Hans Petter Selasky <hps at bitfrost.no>wrote:

> 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
>
>