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Re: Bug #456: postgres dumps core in initlocalbuffer

From: Florian Baumert <fb(at)plt(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: Bug #456: postgres dumps core in initlocalbuffer
Date: 2001-09-20 09:37:44
Message-ID: 3BA9B8E8.9950A92D@plt.de (view raw or flat)
Thread:
Lists: pgsql-bugs
Hi,

thank you for your fast answer. I will try to upgrade, with over 20
production databases not a one-hour job :-)
I will report results to you...

Am I the only one, where this occured??

Greetings

Florian

Tom Lane wrote:
> 
> pgsql-bugs(at)postgresql(dot)org writes:
> > Stacktrace is:
> 
> > #0  0x812ac0c in chunk_free (ar_ptr=0x81cb860, p=0xd4ef05d3) at malloc.c:3125
> > #1  0x812a4d3 in chunk_alloc (ar_ptr=0x81cb860, nb=7176) at malloc.c:2612
> > #2  0x8129f8f in __libc_malloc (bytes=7168) at malloc.c:2714
> 
> This looks like malloc's bookkeeping data structures must have gotten
> clobbered, perhaps by a wild store operation or freeing a chunk twice
> or some such.  The error is doubtless somewhere in the postmaster,
> not in InitLocalBuffer.  Before you expend effort trying to hunt it
> down, I'd suggest updating to the latest stable release, 7.1.3 ---
> the problem may be fixed already.  If that doesn't help, consider
> linking the postmaster with a debugging malloc package, such as Electric
> Fence...
> 
>                         regards, tom lane

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