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Re: PANIC: unable to locate a valid checkpoint record

From: Ganesan R <rganesan(at)myrealbox(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Ganesan R <rganesan(at)myrealbox(dot)com>, pgsql-bugs(at)postgresql(dot)org,pgsql-admin(at)postgresql(dot)org
Subject: Re: PANIC: unable to locate a valid checkpoint record
Date: 2003-02-21 04:29:42
Message-ID: 20030221042942.GA5785@andiamo.com (view raw or flat)
Thread:
Lists: pgsql-adminpgsql-bugs
On Thu, Feb 20, 2003 at 11:07:55PM -0500, Tom Lane wrote:
> Ganesan R <rganesan(at)myrealbox(dot)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?

The hardware is an IBM xSeries 340 with a single Xeon Pentium IV 2.40GHz
processor with dual mirrored SCSI disks. The OS is Redhat Linux 7.3 with a
Linux 2.4.18 SMP kernel (the CPU supports hyperthreading). PostgreSQL
binaries were precompiled. PostgreSQL 7.2.1 version is a redhat build
shippping with Redhat Linux 7.3. PostgresQL 7.2.4 and 7.3.2 binaries were
directly downloaded from the ftp mirrors. 

Please let me know if you need additional information. 

Ganesan

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