Rodrigo Gonzalez wrote: > PgSQL is returning that error when I open pgdmin and when I run some > queries related to pg_buffercache. Also pg_dump cannot dump the DB. > > PgSQL version is 8.3.3 and happened one day after loading the DB there. What platform are you using? If Windows: - Which version of Windows? - do you have a virus scanner on the system? Which one? Version? Otherwise: - What OS and version are you using? - What filesystem type is the database on? - Are you using any sort of RAID / LVM? If so, what kind? -- Craig Ringer