From: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
---|---|
To: | Boris Folgmann <boris(at)folgmann(dot)de> |
Cc: | pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: BUG #5151: autovacuum process segfaults when max_fsm_pages are too low |
Date: | 2009-10-30 19:09:13 |
Message-ID: | 4AEB39D9.4030403@enterprisedb.com |
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Lists: | pgsql-bugs |
Boris Folgmann wrote:
> Currently I'm using postgresql-8.1.15-1.el4s1.1 from the centosplus
> repository for CentOS 4.8. All updates applied, kernel is
> 2.6.9-89.0.11.ELsmp.
> I know that 8.1.18 is out, but haven't found something in the release-notes
> about problems with max_fsm_pages. Anyway, there isn't any more recent RPM
> available at the moment.
I don't think this is related to fsm, actually. Seems like something in
autovacuum, and there was this fix in 8.1.16 (from the release notes):
Fix crash in autovacuum (Alvaro)
The crash occurs only after vacuuming a whole database for
anti-transaction-wraparound purposes, which means that it occurs
infrequently and is hard to track down.
So I would suggest upgrading. If that doesn't help, and you can
reproduce the issue, a backtrace from a core dump would be nice.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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