failure of postmaster during installation

============================================================================
                        POSTGRESQL BUG REPORT TEMPLATE
============================================================================


Your name        :    Christopher Howell
Your email address    :chris@applix.com


System Configuration
---------------------
  Architecture (example: Intel Pentium)      :Intel Pentium II

  Operating System (example: Linux 2.0.26 ELF)     : RedHat 5.2 Linuc 2.0.36

  PostgreSQL version (example: PostgreSQL-6.4.2)  :   PostgreSQL-6.4.2

  Compiler used (example:  gcc 2.8.0)        :??


Please enter a FULL description of your problem:
------------------------------------------------
starting postmaster with
nohup postmaster > regress.log 2>&1 &
gives a log file:
Database system in directory /home/postgres/pgsql/data is not compatible with 
this version of Postgres, or we are unable to read the PG_VERSION file.  
Explanation from ValidatePgVersion: Version number in file 
'/home/postgres/pgsql/data/PG_VERSION' should be 6.3, not 6.4.

No data directory -- can't proceed.    




Please describe a way to repeat the problem.   Please try to provide a
concise reproducible example, if at all possible: 
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install, following instructions, with no options except configure --prefix
error occurs starting postmaster.




If you know how this problem might be fixed, list the solution below:
---------------------------------------------------------------------
don't know.



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Christopher Howell    | chowell@applix.com 
Senior Staff Engineer | 508 870 0300 x238 fax: 508 366 4873
Applix, Inc.          | 112 Turnpike Road, Westboro MA 01580 USA