From owner-freebsd-stable@FreeBSD.ORG  Sat Dec 27 08:51:14 2008
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 5A0C0106564A
	for <stable@freebsd.org>; Sat, 27 Dec 2008 08:51:14 +0000 (UTC)
	(envelope-from danny@cs.huji.ac.il)
Received: from kabab.cs.huji.ac.il (kabab.cs.huji.ac.il [132.65.16.84])
	by mx1.freebsd.org (Postfix) with ESMTP id 0E6258FC08
	for <stable@freebsd.org>; Sat, 27 Dec 2008 08:51:13 +0000 (UTC)
	(envelope-from danny@cs.huji.ac.il)
Received: from pampa.cs.huji.ac.il ([132.65.80.32])
	by kabab.cs.huji.ac.il with esmtp
	id 1LGUt5-000Jpj-2L; Sat, 27 Dec 2008 10:51:11 +0200
X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.2
To: "Lin Jui-Nan Eric" <ericlin@tamama.org>
In-reply-to: <47713ee10812261117o6f772843o53ec9542bc773141@mail.gmail.com> 
References: <47713ee10812220844r7889d286l3a98f294d780ccc0@mail.gmail.com> 
	<6eb82e0812260202m1d8816c5mc7b0991514f83853@mail.gmail.com> 
	<47713ee10812261117o6f772843o53ec9542bc773141@mail.gmail.com>
Comments: In-reply-to "Lin Jui-Nan Eric" <ericlin@tamama.org>
	message dated "Sat, 27 Dec 2008 03:17:42 +0800."
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Date: Sat, 27 Dec 2008 10:51:11 +0200
From: Danny Braniss <danny@cs.huji.ac.il>
Message-ID: <E1LGUt5-000Jpj-2L@kabab.cs.huji.ac.il>
Cc: stable@freebsd.org, Rong-en Fan <grafan@gmail.com>
Subject: Re: amd(8) cores dump when load high 
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>, 
	<mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
	<mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 27 Dec 2008 08:51:14 -0000

> Yes, we found that it crashes when swap is used.

on an amd64 architecture, amd could not plock it's pages in memory, and would,
under memory preasure be swapped out, and break.
I just run some tests under 7.1-PRERELEASE, and
- it seems that plock is working.
- amd is not being swapped out.
are you running with amd -S ?
	danny

> 
> 
> On Fri, Dec 26, 2008 at 6:02 PM, Rong-en Fan <grafan@gmail.com> wrote:
> > On Tue, Dec 23, 2008 at 12:44 AM, Lin Jui-Nan Eric <ericlin@tamama.org> wrote:
> >> Dear listers,
> >>
> >> We currently found that amd frequently cores dump while loading is
> >> high (about 4~5) after we upgrade world & kernel from 7.0-RELEASE to
> >> 7.1-PRERELEASE.
> >>
> >> I have read -stable and svn log of 7-STABLE, but can not found a
> >> report or a solution. Did anyone have the same issue? Thank you very
> >> much.
> >>
> >
> > According to my previous experience, amd 6.1.5 crashes
> > under low memory situations. Not necessary high load.
> >
> > Regards,
> > Rong-En Fan
> >
> _______________________________________________
> freebsd-stable@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
>