From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
---|---|
To: | Steve Kehlet <steve(dot)kehlet(at)gmail(dot)com> |
Cc: | Forums postgresql <pgsql-general(at)postgresql(dot)org>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: 9.4.1 -> 9.4.2 problem: could not access status of transaction 1 |
Date: | 2015-05-28 01:19:57 |
Message-ID: | 20150528011957.GF5885@postgresql.org |
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Thread: | |
Lists: | pgsql-general pgsql-hackers |
Steve Kehlet wrote:
> On Wed, May 27, 2015 at 3:21 PM Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
> wrote:
>
> > I think a patch like this should be able to fix it ... not tested yet.
> >
>
> Thanks Alvaro. I got a compile error, so looked for other uses of
> SimpleLruDoesPhysicalPageExist and added MultiXactOffsetCtl, does this look
> right?
>
> + (!InRecovery || SimpleLruDoesPhysicalPageExist(MultiXactOffsetCtl,
> pageno)))
Meh, I sent you the wrong version of the patch. Yeah, that's obviously
better.
> It compiled then, but it didn't seem to change anything: postgres gave the
> same errors and still would not start up.
I'm setting up a reproducer for the problem to verify that the patch
fixes it (evidently not). Maybe I've messed up the conditional or
something else ...
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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