Re: 73.5 and uw 713 - Mailing list pgsql-hackers

From ohp@pyrenet.fr
Subject Re: 73.5 and uw 713
Date
Msg-id Pine.UW2.4.53.0312101432230.315@server.pyrenet.fr
Whole thread Raw
In response to Re: 73.5 and uw 713  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Hi Tom,

At last I have a much better trace for the vacuum full bug.

Can some one help me on this one?

Image mémoire de postmaster (processus p1) créée
FICHIER IMAGE MEMOIRE [swapn dans qsort.c]
11 (segv code[SEGV_MAPERR] address[0x8420000]) SIGNALE dans p1       0xbffae03f (swapn+47:)        movl   (%esi),%eax
debug> Suivi de pile correspondant à p1, Programme postmaster
*[0] swapn(0x2, 0x831b758, 0x831b770)    [0xbffae03f][1] qst(0x80448cc, 0x831b758, 0x831b788)    [0xbffadca2][2]
qsort(0x831b758,0x18, 0x2, 0x80eb9f8)    [0xbffae17f][3] repair_frag(vacrelstats=0x83122bc, onerel=0x82cf56c,
vacuum_pages=0x8046a64,fraged_pages=0x8046a54, nindexes=1, Irel=0x83672e0)    [vacuum.c@2227][4]
full_vacuum_rel(onerel=0x82cf56c,vacstmt=0x83104b4)    [vacuum.c@955][5] vacuum_rel(relid=16408, vacstmt=0x83104b4,
expected_relkind=114(or 'r'))    [vacuum.c@827][6] vacuum(vacstmt=0x83104b4)    [vacuum.c@290][7]
ProcessUtility(parsetree=0x83104b4,dest=Remote, completionTag="")    [utility.c@gram.y@713][8]
pg_exec_query_string(query_string=0x831020c,dest=Remote, parse_context=0x830e204)    [postgres.c@gram.y@789][9]
PostgresMain(argc=4,argv=0x8046d78, username="ohp")    [postgres.c@gram.y@2013][10] DoBackend(port=0x829e500)
[postmaster.c@2310][11]BackendStartup(port=0x829e500)    [postmaster.c@1932][12] ServerLoop( présumé: 0x1, 0x8297af8,
0x1)   [postmaster.c@1009][13] PostmasterMain(argc=1, argv=0x8297af8)    [postmaster.c@788][14] main(argc=1,
argv=0x8047c44,0x8047c4c)    [main.c@210][15] _start()    [0x806ad1c]
 
debug>

On Mon, 8 Dec 2003, Tom Lane wrote:

> Date: Mon, 08 Dec 2003 14:03:42 -0500
> From: Tom Lane <tgl@sss.pgh.pa.us>
> To: ohp@pyrenet.fr
> Cc: pgsql-hackers list <pgsql-hackers@postgresql.org>
> Subject: Re: [HACKERS] 73.5 and uw 713
>
> ohp@pyrenet.fr writes:
> > I've upgraded my system from 7.3.4 to 7.3.5 yesterday and have already
> > experienced to crash during vacuum full.
> > I have'nt recompiled with debug yet but it's a sigsegv in function
> > repair_frag in vacuum.c
>
> Considering that vacuum.c hasn't changed in that branch since 7.3beta4,
> it's highly unlikely that this represents a regression between 7.3.4 and
> 7.3.5.  Pre-existing bug, maybe ...
>
>             regards, tom lane
>

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