From: | Gavin Sherry <swm(at)linuxworld(dot)com(dot)au> |
---|---|
To: | Brian Hirt <bhirt(at)mobygames(dot)com> |
Cc: | PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: WARNING: buffer refcount leak |
Date: | 2004-07-26 23:33:17 |
Message-ID: | Pine.LNX.4.58.0407270930010.30662@linuxworld.com.au |
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Lists: | pgsql-hackers |
On Mon, 26 Jul 2004, Brian Hirt wrote:
> I'm working on a new machine, and i think it's got possible bad
> hardware, since that seems more likely than a bug in postgresql. I'm
> wondering if someone has any idea what kind of hardware failure might
> cause this message:
>
> WARNING: buffer refcount leak: [424] (freeNext=425, freePrev=423,
> rel=0/0, blockNum=4294967295, flags=0x1c, refcount=-631 30464)
The refcount number strongly suggests hardware. Since the memory is ECC
i'd say it might be CPU (cache) related. I cannot think of any tools to
help you diagnose this, but try disabling/pulling out a CPU then swap. If
all is fine, it doesn't necessarily mean its the CPU but it narrows the
field.
Gavin
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