From: | Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc> |
---|---|
To: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Cc: | Seneca Cunningham <scunning(at)ca(dot)afilias(dot)info> |
Subject: | Re: memcpy SEGV on AIX 5.3 |
Date: | 2005-10-26 07:02:32 |
Message-ID: | 435F2A08.6040309@kaltenbrunner.cc |
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Lists: | pgsql-hackers pgsql-ports |
Stefan Kaltenbrunner wrote:
> Seneca Cunningham wrote:
>
>>On an powerPC AIX 5.3 box, initdb from 8.1beta4 segfaults at
>>src/backend/utils/hash/dynahash.c:673. No segfaults occur and all 98
>>regression tests pass if a test is added to see if keycopy is memcpy and
>>if it is, go through a loop memcpying one byte at a time instead of
>>memcpying everything at once.
>
>
> looks like I'm seeing a similiar problem(using -HEAD) on AIX 5.3ML3
> using the IBM AIX c-compiler. initdb just hangs after "selecting default
> max_connections ..." in a 100% CPU-loop.
yeah this seems to be the very same issue. A backtrace of a stuck
initdb-process looks like:
(gdb) bt
#0 0x10006f10 in bcopy ()
#1 0x1001d398 in hash_search (hashp=0x1001d85c, keyPtr=0xf020f9fc,
action=804399456, foundPtr=0x20029d78 "")
at dynahash.c:673
#2 0x100a5e58 in formrdesc (relationName=0x2006bf38 "t\emplat\e1",
relationReltype=0, hasoids=0 '\0', natts=0,
att=0x200100f8) at relcache.c:1295
#3 0x100a818c in RelationCacheInitialize () at relcache.c:2160
#4 0x102016ec in InitPostgres (dbname=0xd025b7f0 "\200A", username=0x2
"") at postinit.c:424
#5 0x102009e8 in BootstrapMain (argc=271528, argv=0xb0002) at
bootstrap.c:445
#6 0x10000578 in main (argc=0, argv=0x0) at main.c:285
#7 0x1000022c in __start ()
Stefan
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