From: | Peter Geoghegan <pg(at)bowt(dot)ie> |
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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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