"David M. Richter" <d(dot)richter(at)dkfz-heidelberg(dot)de> writes:
> We are using Suse Linux 7.3 with postgres 6.5.3.
6.5.3? Run, do not walk, to your nearest FTP server and get an update.
> I cannot see a file named pg_vlock in that directory!
Possibly restarting the postmaster would get you out of trouble.
However, the list of bugs fixed since 6.5.* is longer than you
really want to know about. Please update ASAP.
regards, tom lane