From owner-freebsd-stable@FreeBSD.ORG Thu Aug 11 20:13:18 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 077F51065672; Thu, 11 Aug 2011 20:13:18 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from esa-jnhn.mail.uoguelph.ca (esa-jnhn.mail.uoguelph.ca [131.104.91.44]) by mx1.freebsd.org (Postfix) with ESMTP id 88AA08FC08; Thu, 11 Aug 2011 20:13:17 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqAEALI3RE6DaFvO/2dsb2JhbAA+A4RIpAeBQAEBAQEDAQEBICsgCwwPDgcDAgINGQIpAQkmBggHBAEcBIdSrC2ROIEsghSBd4EQBJEBgg2RCw X-IronPort-AV: E=Sophos;i="4.67,358,1309752000"; d="scan'208";a="134148111" Received: from erie.cs.uoguelph.ca (HELO zcs3.mail.uoguelph.ca) ([131.104.91.206]) by esa-jnhn-pri.mail.uoguelph.ca with ESMTP; 11 Aug 2011 16:12:59 -0400 Received: from zcs3.mail.uoguelph.ca (localhost.localdomain [127.0.0.1]) by zcs3.mail.uoguelph.ca (Postfix) with ESMTP id B66FFB3F2C; Thu, 11 Aug 2011 16:12:59 -0400 (EDT) Date: Thu, 11 Aug 2011 16:12:59 -0400 (EDT) From: Rick Macklem To: Steven Hartland Message-ID: <1030083399.38743.1313093579690.JavaMail.root@erie.cs.uoguelph.ca> In-Reply-To: <6F08A8DE780545ADB9FA93B0A8AA4DA1@multiplay.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [172.17.91.201] X-Mailer: Zimbra 6.0.10_GA_2692 (ZimbraWebClient - FF3.0 (Win)/6.0.10_GA_2692) Cc: freebsd-stable@FreeBSD.org, Andriy Gapon Subject: Re: debugging frequent kernel panics on 8.2-RELEASE X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Aug 2011 20:13:18 -0000 Steven Hartland wrote: > ----- Original Message ----- > From: "Andriy Gapon" > > >>> I would really appreciate if you could try to reproduce the > >>> problem with the patch that I sent earlier. > >> > >> Hi Andriy, what's the risk of this patch causing other issues? > > > > I can not estimate. > > The code is supposed to affect only things that happen after panic, > > so make your guess. > > So in theory should be good. > > >> I ask as to get results from this we've going to have to roll it > >> out to over 130+ production machines, so I'd like to be clear on > >> the risks before I sign that off. > > > > I will be happy if you try the patch on a single machine > > provided the problem is that reproducible. > > Unfortunately although its happening a lot its taking the > large numbers of machines to make it that way. > > Over the 130+ machines we're seeing between 3 and 8 panics > a day, so based on that we could be waiting quite some time > for a specific machine to panic :( > > Don't think we're going to make any progress on this in the current > state so I think we'll give it a shot. > Just a random thought that is probably not relevent, but... Is it possible that some change for the upgrade is making the machines run hotter and they're failing when they overhead? rick > Regards > Steve > > ================================================ > This e.mail is private and confidential between Multiplay (UK) Ltd. > and the person or entity to whom it is addressed. In the event of > misdirection, the recipient is prohibited from using, copying, > printing or otherwise disseminating it or any information contained in > it. > > In the event of misdirection, illegible or incomplete transmission > please telephone +44 845 868 1337 > or return the E.mail to postmaster@multiplay.co.uk. > > _______________________________________________ > 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"