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Re: [PATCH] "could not reattach to shared memory" on Windows

From: Jaime Casanova <jcasanov(at)systemguards(dot)com(dot)ec>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Tsutomu Yamada <tsutomu(at)sraoss(dot)co(dot)jp>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [PATCH] "could not reattach to shared memory" on Windows
Date: 2009-07-14 17:19:38
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On Tue, Jul 14, 2009 at 10:28 AM, Alvaro
Herrera<alvherre(at)commandprompt(dot)com> wrote:
> Tom Lane wrote:
>> Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
>> > Tsutomu Yamada wrote:
>> >> This patch using VirtualAlloc()/VirtualFree() to avoid failing in
>> >> reattach to shared memory.
>> > Since this fixes a very annoying bug present in older versions, I think
>> > this should be backpatched all the way back to 8.2.
>> Agreed, but first we need some evidence that it actually fixes the
>> problem.  How can we acquire such evidence?
> Send the patch to the people who has reported trouble and see if it
> seems gone?  If somebody is able to build patched Win32 packages I could
> point a couple of guys in the spanish list to them.

- identify some people with the problem and talk to them for: 1) get a
way to reproduce the error (a lot dificult, IIRC we try a few times i
fail to fail) or 2) get their support for test
- commit it for the first alpha release, or the just talked nigthly
stable builds...
- let the tests begin :)

so, apply it just before the alpha and if it not works remove it just
after the alpha...
last time i build a win32 binary (not whole package) for windows users
to test a patch they disappear very quickly...

Jaime Casanova
Soporte y capacitación de PostgreSQL
Asesoría y desarrollo de sistemas
Guayaquil - Ecuador
Cel. +59387171157

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