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Re: Bug #723: XlogFlush

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: jose(at)sferacarta(dot)com, pgsql-bugs(at)postgresql(dot)org
Subject: Re: Bug #723: XlogFlush
Date: 2002-07-30 14:10:56
Message-ID: 1802.1028038256@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugs
pgsql-bugs(at)postgresql(dot)org writes:
> I would like to know what this message means, maybe a bug??

> ERROR:  XLogFlush: request 0/6173A2D8 is not satisfied --- flushed only to 0/616E519C

This suggests a corrupted LSN on some disk page, but without any context
I can't say more than that.

> This message is showed by psql in a random mode. 

Is the "request" value always the same?  If so, it's probably just one
page that's messed up --- you could figure out which one with a
debugger.  (XLogFlush unfortunately doesn't know why it's being called,
so it can't print any more info.)

			regards, tom lane

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