On Wed, 6 Aug 2014, Christoph Hellwig wrote:

> On Wed, Aug 06, 2014 at 03:29:47PM +0200, Douglas Gilbert wrote:
> > If not and since I'm told black lists and the like won't
> > work, my advice for the record is to use FreeBSD or Windows
> > for tools that need this capability.
> 
> I doubt either of them forces users to hack up flags for these cases.

Why was this change needed in the first place?  There's no explanation 
in the patch itself.

> At least for windows I suspect it just never sends the LUN encoded
> in the CDB and treats USB devices special instead of our insistance
> on pretending they are SCSI-2.

We no longer pretend that USB mass-storage devices have any particular 
SCSI level.  See commit 09b6b51b0b6c.

> Maybe some of the USB people have on the wire traces or access to
> device or windows documentation on this?

Most likely it varies with the version of Windows and the INQUIRY data
returned by the device.

I can obtain hardware traces for the kinds of devices and computers 
lying around here.  But what sort of combinations should I test?

Alan Stern

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