>Did you migrate via backup/restore? It's a requirement if you don't want
>to see this issue in FB 2.5.3.

No, I have missed Vlad comment about it in http://tracker.firebirdsql.org/browse/CORE-4372
We will b/r databases as soon as possible, thanks.

Also, is it possible to just delete all data from offending tables? If all pages with records are cleared, shouldn`t it also get rid of record fragments?