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Re: [PATCH] "could not reattach to shared memory" on Windows - Mailing list pgsql-hackers

From Etienne Dube
Subject Re: [PATCH] "could not reattach to shared memory" on Windows
Date
Msg-id [email protected]
Whole thread Raw
In response to [PATCH] "could not reattach to shared memory" on Windows  (Tsutomu Yamada <[email protected]>)
Responses Re: [PATCH] "could not reattach to shared memory" on Windows
List pgsql-hackers
Hi,

We've come across this issue on 8.2.15 on a Windows Server 2008 
instance. I noticed the patch hasn't been applied to the 8.2 branch yet. 
Any chances that this will be part of an eventual 8.2.16 release? Do you 
need more testing and feedback before commiting the patch?

Thanks,

Etienne Dube


>     * *From*: Magnus Hagander <[email protected]>
>     * *To*: Tom Lane <[email protected]>
>     * *Cc*: Tsutomu Yamada <[email protected]>, Alvaro Herrera
>       <[email protected]>, [email protected], Dave
>       Page <[email protected]>
>     * *Subject*: Re: [PATCH] "could not reattach to shared memory" on
>       Windows
>     * *Date*: Tue, 11 Aug 2009 17:14:08 +0200
>     * *Message-id*:
>       <[email protected]
>       <http://archives.postgresql.org/pgsql-hackers/2009-08/msg00894.php>>
>
> ------------------------------------------------------------------------
> On Tue, Aug 11, 2009 at 16:30, Magnus Hagander<[email protected]> wrote:
> > On Mon, Aug 10, 2009 at 19:33, Magnus Hagander<[email protected]> wrote:
> >> On Mon, Aug 10, 2009 at 16:58, Tom Lane<[email protected]> wrote:
> >>> Magnus Hagander <[email protected]> writes:
> >>>> On Mon, Aug 10, 2009 at 16:10, Tom Lane<[email protected]> wrote:
> >>>>> 8.2 as well, no?
> >>>
> >>>> 8.2 has a different shmem implementation - the one that emulates sysv
> >>>> shmem. The patch will need to be changed around for that, and I
> >>>> haven't looked at that. It may be worthwhile to do that, but it's a
> >>>> separate patch, so let's get it out in 8.3 and 8.4 first.
> >>>
> >>> If it's at all hard to do, I could see deprecating 8.2 for Windows
> >>> instead.
> >>
> >> I haven't looked at how much work it would be at all yet. So let's do
> >> that before we decide to deprecate anything. As mentioned downthread,
> >> 8.2 is a very widespread release, and we really want to avoid
> >> deprecating it.
> >
> > Here's an attempt at a backport to 8.2. I haven't examined it  in
> > detail, but it passes "make check" on mingw.
> >
> > Comments?
>
> I've also built a binary that should be copy:able on top of an 8.2.13
> installation made from the standard installer, to test this feature.
> Anybody on 8.2 on Windows, please give it a shot and let us know how
> it works.
>
> http://www.hagander.net/pgsql/postgres_exe_virtualalloc_8_2.zip
>
>
> -- 
>  Magnus Hagander
>   

>  Me: http://www.hagander.net/
>  Work: http://www.redpill-linpro.com/
>
>   


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