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Re: Initdb FATAL error shmat - Win98 Cygwin 1.5.10-3 - PostgreSQL 7.4.3
- From: Jason Tishler <jason at tishler dot net>
- To: cygwin at cygwin dot com
- Date: Sun, 8 Aug 2004 11:07:56 -0400
- Subject: Re: Initdb FATAL error shmat - Win98 Cygwin 1.5.10-3 - PostgreSQL 7.4.3
- References: <20040803133058.GS31522@cygbert.vinschen.de>
I apologize for the delay, but I was on vacation...
On Tue, Aug 03, 2004 at 03:30:58PM +0200, Corinna Vinschen wrote:
> I tried it and it actually only happens on 9x. I found that postgres
> tries to shmat to an address which I have no idea about where it comes
> from. The problem with that address is, that it's neither a multiple
> of SHMLBA, nor does postgres call shmat with the SHM_RND flag. For
> some reason the address is ok on NT.
> So, Jason, do you have an idea why that happens?
> Two questions come to mind:
> - How does postgres evaluate that address
I don't know.
> and why does it only fail on 9x?
> - Why does postgres use a fixed address at all, instead of using NULL
> to let the system decide which address to use?
I do not have access to Windows 9x and (unfortunately) have not used
PostgreSQL seriously for 3 years now, so I'm not particularly motivated
to work on this problem.
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