From: | Greg Smith <greg(at)2ndquadrant(dot)com> |
---|---|
To: | Filip Rembiałkowski <plk(dot)zuber(at)gmail(dot)com> |
Cc: | Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: strange segfault with 8.3.8 |
Date: | 2009-12-07 16:43:17 |
Message-ID: | 4B1D30A5.5060506@2ndquadrant.com |
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Lists: | pgsql-hackers |
Filip Rembiałkowski wrote:
> Dec 7 07:24:45 nsXXXXXX kernel: postgres[22481]: segfault at
> 7fda5e1d5000 ip 00007fda604553c3 sp 00007fffe41faf28 error 4 in
> libc-2.9.so <http://libc-2.9.so/>[7fda603d1000+168000]
> Dec 7 07:24:45 nsXXXXXX kernel: grsec: From XX.YY.ZZ.51: Segmentation
> fault occurred at 00007fda5e1d5000 in
> /usr/lib/postgresql/8.3/bin/postgres[postgres:22481] uid/euid:103/103
> gid/egid:114/114, parent
> /usr/lib/postgresql/8.3/bin/postgres[postgres:29857] uid/euid:103/103
> gid/egid:114/114
>
> This is on 8.3.8, latest Ubuntu distribution, server under quite heavy
> load.
>
> afterwards we had some corrupted pages ("//ERROR/: /compressed data/
> is corrupt/").
Random segfaults only under heavy load with corrupted pages afterwards
normally means bad RAM. I'd suggest a round of memtest86+ on the system
if it's PC hardware.
--
Greg Smith 2ndQuadrant Baltimore, MD
PostgreSQL Training, Services and Support
greg(at)2ndQuadrant(dot)com www.2ndQuadrant.com
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