[Bug 229469] NFS fcntl locks being released locally but not on server

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https://bugzilla.redhat.com/show_bug.cgi?id=229469





--- Comment #25 from Michael Young <m.a.young(a)durham.ac.uk&gt;  2008-10-27 18:10:41 EDT
---
I was actually seeing this on with several processes contending for a lock on a
single machine, so I don't expect the lack of a UDP listener would make much
difference (I could with earlier kernels reproduce the stuck lock problem with
this setup).
The scenario is to run about 5 processes of the demo program at the same time.
When the first lock is released the processes waiting for the lock don't
necessarily acquire the now-freed lock. So far I have only managed to reproduce
this behaviour on a single processor machine which may or may not be
significant.
I am afraid I still haven't had a close enough look at the code to work out
what is happening.

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