[Samba] file locking failure

steve steve at steve-ss.com
Wed Jul 31 09:47:53 MDT 2013

4.0.7 DC, 4.0.7 fileserver, with openSUSE, w7 and xp clients.
cifs-utils 6.1 on Linux.

I have set:
kernel oplocks = yes
on the fileserver

If the xp client opens a file using e.g. Notepad, the opensuse client
can edit it at the same time and vica versa.

If I open the same file on each client using Libre Office then fine, it
works (I think because of Libre Office, not samba)

How do I get locking to work outside Libre Office. Nothing else seems to

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