Re: BUG #1208: Invalid page header

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Robert E Bruccoleri <bruc(at)stone(dot)congenomics(dot)com>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #1208: Invalid page header
Date: 2004-08-16 16:20:55
Message-ID: 200408161620.i7GGKtN22880@candle.pha.pa.us
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Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > If you are sure your storage and memory are good, I can think of only
> > two other ideas. One is a gcc bug. You are running Itanium so it is
> > possible. The only other possibility I can think of is that that our
> > ia64 assembler code is wrong. It is:
>
> But that code is gcc-only, and he's not using gcc.

Oh, I see that now:

Compiler used (example: gcc 2.95.2) : Intel C compiler version 8.0

> It's certainly possible that the non-gcc spinlock path is broken on IA64
> though. I dunno that anyone has ever tested that combination. It might
> be interesting for him to run the "test" program in s_lock.c and see if
> it complains.

What locking code is actually being used. I don't see any __ia64__
entries except for gcc. Is it calling some libc library tas()? It is
falling back to semaphores?

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
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