[cifs-protocol] [REG:113102210883291] - [MS-SMB2] 3.3.5.22.1 NT_STATUS_REQUEST_NOT_ACCEPTED?

[Volker Lendecke]

On Thu, Nov 14, 2013 at 04:49:11AM +0000, Edgar Olougouna wrote:
> Volker,
> 
> After further review, we will update MS-SMB2 to reflect
> the observed behavior.

Thanks!

> Technically, we agree this is server bug and the product
> group will assess its impact and the need for a fix. If
> they choose to fix in a future product release, then the
> verbiage in the document will reflect the expected
> behavior. In any case, we will need to update the
> document.
> 
> The issue is that the client is attempting to acknowledge
> to oplock Level2 when NTFS is in Break-to-none. The fix
> would be for the SMB server to act the same way as it does
> with leases. The server would handle the fact that the
> current state of NTFS requires a lower break. 
> The server should "succeed" the Level2 ack and immediately
> send a break-to-none to the client (and then send an
> acknowledgement to the File System that it is at None).
> This coherent since a break to Level2 is async.

Shouldn't this read "Break level2 to none", or what do you
exactly mean by "is async"? My understanding of "async" is
to not require a response. The break to L2 does require one,
right? It's the break L2->None that does not.

Volker

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