Re: PANIC: wrong buffer passed to visibilitymap_clear

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: PANIC: wrong buffer passed to visibilitymap_clear
Date: 2021-04-11 15:47:16
Message-ID: CAH2-WzmWOLaWhQgEC1BJN0JZpOCOwxCAhjmd2Nd4yh4wrqju8Q@mail.gmail.com
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On Sat, Apr 10, 2021 at 10:04 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Just eyeing the evidence on hand, I'm wondering if something has decided
> it can start setting the page-all-visible bit without adequate lock,
> perhaps only in system catalogs. heap_update is clearly assuming that
> that flag won't change underneath it, and if it did, it's clear how this
> symptom would ensue.

Does this patch seem to fix the problem?

--
Peter Geoghegan

Attachment Content-Type Size
0001-Acquire-super-exclusive-lock-in-lazy_vacuum_heap_rel.patch application/octet-stream 1.5 KB

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