On 14 January 2012 14:39, Nick Upson <nu@...> wrote:

> Hi,
>
> using 2.1.4 (epel) on centos 5.5, We had a firebird crash with this
> message:
>
> Fatal lock manager error: invalid lock id (0), errno: 4
>
> The system was under heavy load and it happened just after nbackup level 2
> started (which may be related)
>
> We need to work out how to avoid it happening again but currently don't
> know why it happened.
>
> any pointers or suggestions gratefully received.
>
> Nick Upson
>
>
anyone else able to comment, just some ideas about the cause would be
helpful?


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