Re: could not write block & xlog flush request 3FD/0 is not satisfied

All right, what would we be the best way to debug such a problem?

Yves

-----Original Message-----
From: pgsql-hackers-owner(at)postgresql(dot)org
[mailto:pgsql-hackers-owner(at)postgresql(dot)org] On Behalf Of Greg Stark
Sent: Sunday, May 08, 2011 6:36 PM
To: weissig(at)rbg(dot)informatik(dot)tu-darmstadt(dot)de
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: [HACKERS] could not write block & xlog flush request 3FD/0 is
not satisfied

On Sun, May 8, 2011 at 4:18 PM, Yves Weißig
<weissig(at)rbg(dot)informatik(dot)tu-darmstadt(dot)de> wrote:
> ERROR:  xlog flush request 3FD/0 is not satisfied --- flushed only to
> 0/20E2DC4
>

That's a pretty big difference in log positions. It seems likely you've
overwritten the block header writing garbage to the LSN.

--
greg

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