Re: Fwd: 8.0 Beta3 worked, RC1 didn't!

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: Magnus Hagander <mha(at)sollentuna(dot)net>, pgsql-hackers-win32(at)postgresql(dot)org, nico(at)def2shoot(dot)com, merlin(dot)moncure(at)rcsonline(dot)com
Subject: Re: Fwd: 8.0 Beta3 worked, RC1 didn't!
Date: 2004-12-28 16:27:01
Message-ID: 200412281627.iBSGR3v02251@candle.pha.pa.us
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Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > What if we malloc 100k just before we create the postmaster segment and
> > then free it and see if that fixes the postgres.exe problem?
>
> That was suggested already. As a permanent fix it's certainly
> unspeakably ugly, but it would be useful to try it just to prove
> (or disprove) that we understand the problem.
>
> It would probably be a good idea to make the padding at least 256K,
> since the numbers that have been tossed around seem to indicate that
> Windows may be aligning things on 128K boundaries.
>
> My inclination for a permanent fix would be to try to do the shmat()
> much earlier, but I don't think we should go to the effort of doing
> that code rearrangement until we've proven that this is indeed the
> issue.

Right. Merlin, I added you to this email. Can you test that? Do you
need us to send you a patch for testing?

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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