samba - Aug 2014 - SAMBA4 and unix extensions

I am using a samba 4.1.9 as a file server for linux and windows clients.

I have discovered that I cannot use "unix extensions" with the linux
clients, I get "operation not supported" errors. Using wireshark I can
see
that the server sends STATUS_INVALID_LEVEL response to "Query File Unix
Basic" request.

I have found in this mailing list this message of Andrew Bartlett:

https://lists.samba.org/archive/samba-technical/2010-September/073492.html

Four years ago samba4 could not serve "unix extensions". Is this
problem
still present in current version?

best regards,

Luis Recuerda,

On Wed, Aug 13, 2014 at 10:18:16AM +0200, Luis Recuerda
wrote:
> I am using a samba 4.1.9 as a file server for linux and windows clients.
> 
> I have discovered that I cannot use "unix extensions" with the
linux
> clients, I get "operation not supported" errors. Using wireshark
I can see
> that the server sends STATUS_INVALID_LEVEL response to "Query File
Unix
> Basic" request.
> 
> I have found in this mailing list this message of Andrew Bartlett:
> 
> https://lists.samba.org/archive/samba-technical/2010-September/073492.html
> 
> Four years ago samba4 could not serve "unix extensions". Is this
problem
> still present in current version?
Almost certainly you're using the wrong fileserver code.
Ensure you dont' have ntvfs loaded.

Might be time to remove that code now...