double check your hardware, replace RAM and perhaps even hdd.
The only time I have experienced such fatal errors, it was a hardware fault.
Hurry, before your data gets really corrupted...
Regards,
Bjoern
On Friday, May 02, 2003 12:24 AM [GMT+1=CET],
Trevor Astrope <astrope@e-corp.net> wrote:
> Our database just experienced the problem in the subject line. After
> the
> error, the database was still up, but would issue the error to any new
> connections. The stats collector process, a vacuum and one other
> connection were all in an uninterruptable state and the machine had
> to be
> rebooted.
>
> Could this be the linux kernel randomly killing processes under heavy
> load issue? I've seen that happen on other machines before, but in
> those
> cases the kernel logged when it was killing processes in syslog...
> There
> were no messages in syslog in this case.
>
> System is postgresql 7.2.1 on redhat 7.2. Here's the logs:
>
> 2003-05-01 16:54:08 DEBUG: server process (pid 2599) was terminated
> by signal 11
> 2003-05-01 16:54:08 DEBUG: terminating any other active server
> processes
> 2003-05-01 16:54:08 NOTICE: Message from PostgreSQL backend:
> The Postmaster has informed me that some other backend
> died abnormally and possibly corrupted shared memory.
> I have rolled back the current transaction and am
> going to terminate your database system connection and exit.
> Please reconnect to the database system and repeat your query.
>
> After a bunch of these, the database goes in recovery mode:
>
> 2003-05-01 16:54:08 FATAL 1: The database system is in recovery mode
>
>
> Then after the machine is rebooted and while it is starting up, there
> is
> these messages:
>
> 2003-05-01 17:35:49 DEBUG: ReadRecord: unexpected pageaddr
> 21/37D94000 in log file 33, segment 63, offset 14237696
> 2003-05-01 17:35:49 DEBUG: redo done at 21/3FD92564
>
> I presume this is rerunning the WAL? Is the message serious...could
> there
> be database corruption or just lost transactions?
>
>
> Thanks for any help.
>
>
> Regards,
>
> Trevor Astrope
> astrope@e-corp.net
>
>
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