Hello Fabio,

Most likely it's UDF problem. It was discussed a lot - search this list.

To track down crashes you can follow this guide:
http://www.ibphoenix.com/resources/documents/development/doc_35

To reduce the negative effect of the crash switch to Classic.

Regards,
Alexey Kovyazin
IBSurgeon (www.ib-aid.com)

> Hi all.
>
> I've installed Firebird 2.1.4 x64 on a machine with the following
> features.
>
> Windows Server 2008 R2 Foundation Service Pack 1;
> Intel Xeon CPU X3430, 2.40GHz;
> RAM = 8 GByte;
> 64 bit OS;
> Hard disk = 136 GByte;
>
> Sometimes, about 3 times per week, the Firebird server crashes with
> following error:
>
> IPVSRV (Client) Fri Sep 02 17:58:04 2011
> "C:\Program Files\Firebird\Firebird_2_1\bin\fbserver.exe":
> terminated abnormally (4294967295)
>
> Immediately the Firebird Guardian restart the Server, but it's to
> late: my
> application crashes too.
>
> The clients (all written in Delphi) which are linked concurrently to the
> server is about 5 or 6 every times (very small number....).
> There's a data syncronize service that works with dbExpress technology
> via
> dbexpida40.dll ad more occurrence of an application working with the old
> BDE technology (it can't be still migrated to dbExpress :-( ....).
>
> I'd like to study in deep the error, but I don't know if Firebird has a
> verbose log funcionality. How can I activate it?
> I can't reproduce the error because it's very sporadically.
>
> Thank you for every idea or, better, solution that you can give me.
>
> Best Regards.
>
> Fabio Duchi
>
>

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