"John Smith" <sodgodofall@xxxxxxxxx> writes: > Sorry for the long delay in following up on this suggestion. The > change Tom suggested fixed the performance problems I was seeing, but > I never ran the full regression suite on the modified code, as > everything in my performance tests seemed to indicate the bug was > fixed (i.e, no errors even with --cassert-enabled). When I recently > ran the regression suite on the "fixed" version of Postgres, the > "misc" test suite fails with the following error message: "ERROR: > cache lookup failed for type 2139062143". Is this a manifestation of > the problem where certain items are being freed too early? Yup --- something's trying to use memory that's already been freed. The particular case is evidently a field containing a type OID. You might be able to get a clue where the problem is by getting a gdb stack trace back from errfinish(), but this sort of kills my optimism that the 7.0-era problem is gone ... regards, tom lane
