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help / color / mirror / Atom feedFrom: Masahiko Sawada <[email protected]>
To: [email protected] <[email protected]>
Cc: Amit Kapila <[email protected]>
Cc: Kyotaro Horiguchi <[email protected]>
Cc: Drouvot, Bertrand <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Cc: Oh, Mike <[email protected]>
Subject: Re: [BUG] Logical replication failure "ERROR: could not map filenode "base/13237/442428" to relation OID" with catalog modifying txns
Date: Fri, 15 Jul 2022 02:36:39 +0900
Message-ID: <CAD21AoA93C_a+3MetsY_bq1AQT4Yukf7pRsFPWZc74M=w_2daw@mail.gmail.com> (raw)
In-Reply-To: <CAD21AoCZ0xpS-PSLa1ot=TijntYsnHKZ=6u6QAocPcO3E08Q5w@mail.gmail.com>
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On Thu, Jul 14, 2022 at 12:06 PM Masahiko Sawada <[email protected]> wrote:
>
> On Thu, Jul 14, 2022 at 11:16 AM [email protected]
> <[email protected]> wrote:
> >
> > On Tue, Jul 12, 2022 5:23 PM Masahiko Sawada <[email protected]> wrote:
> > >
> > > On Tue, Jul 12, 2022 at 5:58 PM [email protected]
> > > <[email protected]> wrote:
> > > >
> > > > It happened when executing the following code because it tried to free a
> > > NULL
> > > > pointer (catchange_xip).
> > > >
> > > > /* be tidy */
> > > > if (ondisk)
> > > > pfree(ondisk);
> > > > + if (catchange_xip)
> > > > + pfree(catchange_xip);
> > > > }
> > > >
> > > > It seems to be related to configure option. I could reproduce it when using
> > > > `./configure --enable-debug`.
> > > > But I couldn't reproduce with `./configure --enable-debug CFLAGS="-Og -
> > > ggdb"`.
> > >
> > > Hmm, I could not reproduce this problem even if I use ./configure
> > > --enable-debug. And it's weird that we checked if catchange_xip is not
> > > null but we did pfree for it:
> > >
> > > #1 pfree (pointer=0x0) at mcxt.c:1177
> > > #2 0x000000000078186b in SnapBuildSerialize (builder=0x1fd5e78,
> > > lsn=25719712) at snapbuild.c:1792
> > >
> > > Is it reproducible in your environment?
> >
> > Thanks for your reply! Yes, it is reproducible. And I also reproduced it on the
> > v4 patch you posted [1].
>
> Thank you for testing!
I've found out the exact cause of this problem and how to fix it. I'll
submit an updated patch next week with my analysis.
Thank you for testing and providing additional information off-list, Shi yu.
Regards,
--
Masahiko Sawada
EDB: https://www.enterprisedb.com/
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Subject: Re: [BUG] Logical replication failure "ERROR: could not map filenode "base/13237/442428" to relation OID" with catalog modifying txns
In-Reply-To: <CAD21AoA93C_a+3MetsY_bq1AQT4Yukf7pRsFPWZc74M=w_2daw@mail.gmail.com>
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