| From: | Kirk Strauser <kirk(at)strauser(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: FreeBSD and large shared_buffers a no-go? |
| Date: | 2009-01-07 20:16:29 |
| Message-ID: | 55AD5617-E759-426C-874A-54563BE5DF6E@strauser.com |
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| Thread: | |
| Lists: | pgsql-general |
On Jan 7, 2009, at 12:30 PM, Tom Lane wrote:
> Kirk Strauser <kirk(at)strauser(dot)com> writes:
>> First, shmget is asking for a lot less than shmmax - why is it
>> failing?
>
> Check to see if things work as expected when you have shmmax and
> shmall
> set to a shade less than 2GB and fail when they are a shade more. If
> so, it would seem there's a signed-integer-overflow bug somewhere in
> the
> kernel's handling of shmem requests ... which would be a reportable
> kernel bug.
BTW, that's at http://www.freebsd.org/cgi/query-pr.cgi?pr=130274 for
anyone who wants to follow along.
--
Kirk Strauser
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