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Date:      Wed, 14 Dec 2016 17:26:30 +0100
From:      "John W. Kitz" <John.Kitz@xs4all.nl>
To:        "'Ganbold Tsagaankhuu'" <ganbold@gmail.com>
Cc:        <freebsd-arm@freebsd.org>
Subject:   RE: When first hooking up a cubieboard2...
Message-ID:  <001101d25626$d4c71ad0$7e555070$@Kitz@xs4all.nl>
References:  <585066dd.1c7c630a.8fe44.4233SMTPIN_ADDED_BROKEN@mx.google.com> <CAGtf9xPQq1qGjmHci4n52uXx=E%2ByuHrNkRcuAyDDQvRt8a5rYQ@mail.gmail.com> 

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Ganbold,

>> On Wed, Dec 14, 2016 at 5:22 AM, John W. Kitz <John.Kitz@xs4all.nl> =
wrote:
>> Hi,
>>
>> When attaching a new cubieboard2 to a FreeBSD system for the first=20
>> time I
>> get:
>>
>> "ugen1.2: <USB Developer> at usbus1
>> umass0: <Mass Storage> on usbus1
>> umass0:  SCSI over Bulk-Only; quirks =3D 0x4000
>> umass0:4:0: Attached to scbus4
>>
>> da0 at umass-sim0 bus 0 scbus4 target 0 lun 0
>> da0: <USB 2.0 USB Flash Driver 0100> Removable Direct Access SCSI-2=20
>> device
>> da0: 40.000MB/s transfers
>> da0: Attempt to query device size failed: NOT READY, Medium not=20
>> present
>> da0: quirks=3D0x2<NO_6_BYTE>
>>
>> da1 at umass-sim0 bus 0 scbus4 target 0 lun 1
>> da1: <USB 2.0 USB Flash Driver 0100> Removable Direct Access SCSI-2=20
>> device
>> da1: 40.000MB/s transfers
>> da1: Attempt to query device size failed: NOT READY, Medium not=20
>> present
>> da1: quirks=3D0x2<NO_6_BYTE>
>>
>> da2 at umass-sim0 bus 0 scbus4 target 0 lun 2
>> da2: <USB 2.0 USB Flash Driver 0100> Removable Direct Access SCSI-2=20
>> device
>> da2: 40.000MB/s transfers
>> da2: Attempt to query device size failed: NOT READY, Medium not=20
>> present
>> da2: quirks=3D0x2<NO_6_BYTE>"
>>
>> While looking at the hardware schematic, am I correct in assuming =
that=20
>> da0 represents the SD card slot, and da1 and da2 represent USB port 1 =

>> and 2 respectively?
>>
>> I don't remember the details, but there are 2 USB host ports exposed =
on the board, and 1 USB otg port.
>> SD would be mmcsd0.

Well not the answer I was looking for, but this is what I got when =
attaching the OTG port of a new cubieboard2 (NOT in FEL mode) to a USB =
port on >an AMD64 / FreeBSD system. Since the messages all seem to refer =
to removable storage devices attached to the same bus on which the =
storage medium itself doesn't seem to be present, resulting in the =
devices being reported as not ready, the only thing I could imagine were =
the SD card slot (I believe using a converter it is possible to connect =
that to a USB port as well) and the two other (i.e. non OTG) USB ports.

Looking into this a bit further is the difference maybe the result of a =
different way of enumerating devices on Linux then on FreeBSD?

If not, what conclusion should I draw from this?

Regards, Jk.




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