Brian Hirt <[EMAIL PROTECTED]> writes:
> 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)

My money is on bad RAM.  That refcount is ridiculous, and I can't see
any way for a disk problem to cause that.  (Unless this shared-buffer
header got swapped out and back in, which seems unlikely considering we
use the shared buffer headers a lot.)  Seems like it's got to be bad
RAM, bad CPU, or some part directly between them --- and you already
replaced all those parts.

                        regards, tom lane

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