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 > > [Non-text portions of this message have been removed]