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SubjectRe: [PATCH] usb: storage: do not use UAS with Logitec LGB-4BNHUC
Hi Oliver,

On Tue, Dec 14, 2021 at 4:34 AM Oliver Neukum <oneukum@suse.com> wrote:
>
>
> On 12.12.21 12:55, Alexandre Courbot wrote:
> > This 4-drives USB 3.1 bay gets unhappy when used with UAS:
> >
> > sd 10:0:0:0: [sdb] tag#18 uas_eh_abort_handler 0 uas-tag 5 inflight: CMD IN
> > sd 10:0:0:0: [sdb] tag#18 CDB: Read(16) 88 00 00 00 00 00 00 9d 42 30 00 00 04 00 00 00
> >
> > It works perfectly fine as a regular mass-storage device, so prevent UAS
> > from being used with it.
> >
> Hi,
>
> this is a big drastic a fix. s it always that command?
> Have you tried less drastic quirks?

Unfortunately I am not familiar with the storage subsystem so I'm not
sure which quirks would be good candidates to try, would you have
suggestions? As for the command, reproduction is rather random and I
did not keep traces of all instances.

I just noticed that users with similar issues reported that disabling
UAS fixed the problem and sure enough it did in my case as well. The
bay is used with a NAS so I'd rather not mess too much with it, but I
am willing to experiment a bit (after double-checking my backups) if
you have good leads to suggest.

Cheers,
Alex.

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