Re: strange segfault with 8.3.8

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От Greg Smith
Тема Re: strange segfault with 8.3.8
Дата
Msg-id 4B1D30A5.5060506@2ndquadrant.com
обсуждение исходный текст
Ответ на strange segfault with 8.3.8  (Filip Rembiałkowski <plk.zuber@gmail.com>)
Ответы Re: strange segfault with 8.3.8
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Дерево обсуждения
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[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@2ndQuadrant.com  www.2ndQuadrant.com

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