Re: Fwd: usb: uas: device reset most the time while enumeration- usb3.0

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Am Donnerstag, den 19.04.2018, 20:18 +0530 schrieb Tushar Nimkar:
> On 2018-04-19 14:15, Oliver Neukum wrote:
> > Am Mittwoch, den 18.04.2018, 12:44 +0530 schrieb Tushar Nimkar:
> > > On 2018-04-17 12:03, Tushar Nimkar wrote:
> > 
> > Hi,
> > 
> > > I have doubt that sequential scan(scsi_sequential_lun_scan) work well
> > > for uas device(SCSI>3)..
> > > Why? As I have seen in most cases failed to enumerate during 
> > > REPORT_LUN
> > > command...and there is older way to scan disk is also present,
> > > so I was thinking to try that.. did following things
> > > 
> > > starget->no_report_luns = 1  ---> for my target while uas_target_alloc
> > > (for try)
> > 
> > In general the spec is one thing and reality is another thing.
> > You can depend really only on what recent versions of Windows do.
> 
> did not get you!

Devices often implement the spec only to the extent they need to
in order to work with Windows.

> oh, so no backward old way of scanning(sequential)?

No. But for testing we don't need to. Can you confirm that
the problem is triggered by specific commands?

	Regards
		Oliver

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