[cifs-protocol] Excel timestamp client side-caching request

Jeremy Allison jra at samba.org
Tue Aug 18 18:30:22 MDT 2009

On Sun, Aug 16, 2009 at 05:34:39AM +0000, Hongwei Sun wrote:
> Jeremy,
>    We are still working on identifying the issue.  It seems that when Excel tries to send SET_INFO when closing the file, CSC thinks ,for some reason, that the object is in disconnected offline state and any update to the file is just applied to the CSC local cache.  That is why the SMB Transact2 request is not really sent over the wire.  It looks like that it is timing related as I have much smaller chance to capture the condition if it is running under debugger.
>    I will be on vacation next week until Friday.   Nick and Edgar will continue working on the issue.  If you have any information or requests, please let us know.  We will also let you know as soon as we get the root cause on the issue.

Ok, this is very interesting. If there's anything I can do
to help please let me know but it does sound like there's
something the Windows CSC code sees from a Samba server
that it doesn't like and causes it to make the decision
that the drive is offline. You guys are in the best place
to determine what that might be.



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