Scott Frankel <frankel(at)circlesfx(dot)com> writes:
> When I try to start 8.3, the log file lists a fatal error in the
> postgresql.conf file. But there are no obvious errors in that file.
> Line 107 reads: "shared_buffers = 1600kB".
You need quotes, like
shared_buffers = '1600kB'
> FATAL: incorrect checksum in control file
This looks like a version compatibility problem, though I'm surprised
it wasn't complained of earlier.
regards, tom lane