Re: PANIC: unable to locate a valid checkpoint record

Ganesan R <rganesan@myrealbox.com> writes:
> I am using 7.3.2. postmaster prints this on starting up:

> LOG:  ReadRecord: bad resource manager data checksum in record at 0/E42144

> pg_resetxlog is able to recover from the problem; but I am concerned because
> I can reproduce the scenario very easily.

You should definitely be concerned :-(.  It sounds like the CRC code
isn't working at all on your platform.  What is your platform --- what
hardware, what OS, which C compiler?  How did you configure and install
Postgres?

            regards, tom lane