From owner-freebsd-questions@FreeBSD.ORG Wed Jan 18 19:30:40 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 064CB16A41F for ; Wed, 18 Jan 2006 19:30:40 +0000 (GMT) (envelope-from mbarnett@measuremap.com) Received: from ms-smtp-01-eri0.texas.rr.com (ms-smtp-01.texas.rr.com [24.93.47.40]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7CD6743D58 for ; Wed, 18 Jan 2006 19:30:39 +0000 (GMT) (envelope-from mbarnett@measuremap.com) Received: from [172.16.1.3] (cpe-70-112-96-145.austin.res.rr.com [70.112.96.145]) by ms-smtp-01-eri0.texas.rr.com (8.12.10/8.12.7) with ESMTP id k0IJUZH9022440; Wed, 18 Jan 2006 13:30:35 -0600 (CST) In-Reply-To: <200601180803.44265.ted@wiz.plymouth.edu> References: <47A794C0-FE22-46FC-9D81-BCF3359CBD61@measuremap.com> <09FE5498-82E3-495C-9593-8F1CFF3A3BD6@measuremap.com> <200601180803.44265.ted@wiz.plymouth.edu> Mime-Version: 1.0 (Apple Message framework v746.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: Michael Barnett Date: Wed, 18 Jan 2006 13:30:32 -0600 To: Ted Wisniewski X-Mailer: Apple Mail (2.746.2) X-Virus-Scanned: Symantec AntiVirus Scan Engine Cc: freebsd-questions@freebsd.org Subject: Re: PAE causing system crashes X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Jan 2006 19:30:40 -0000 Nopers. No nfs... nothing at all fancy with the drives except the raid. -m On Jan 18, 2006, at 7:03 AM, Ted Wisniewski wrote: > You weren't by chance also using NFS? I was, all my other 5.x > systems did > not use NFS and are stable. I saw this same behavior and wound up > going back > to 4.11 to keep the system stable. > > Ted > > On Tuesday 17 January 2006 03:17 pm, Michael Barnett wrote: >> To ammend this slightly.. When running the PAE kernel, they will >> stay online indefinitely under little to no load. It is only when i >> want them to actually work will they freak out and reboot. >> >> -m >> >> On Jan 17, 2006, at 1:47 PM, Michael Barnett wrote: >>> I have 3 dell machines with 2x xeon procs, 8G of ram, and a half >>> terabyte raid 5. I attempted to run the AMD64 distribution on >>> these boxes which was fine for everything except mysql, (which is >>> all these boxes are going to do) so I reinstalled 5.4 i386. >>> >>> uname -a looks like (hostname obscured): >>> >>> FreeBSD myhost.mydomain.com 5.4-RELEASE-p9 FreeBSD 5.4-RELEASE-p9 >>> #2: Mon Jan 16 23:27:12 PST 2006 root@myhost.mydomain.com:/usr/ >>> obj/usr/src/sys/SMP-PAE i386 >>> >>> >>> My problem is, if i don't enable PAE in the kernel, i can only >>> address half the ram in the boxes, but... the machines are stable. >>> >>> If i do enable PAE, i can address all the memory, but they randomly >>> reboot without dumping any errors or logging. >>> >>> To enable PAE, i am building and booting off the following kernel >>> config: >>> >>> >>> include PAE >>> >>> ident SMP-PAE >>> >>> options SMP >>> options KVA_PAGES=512 >>> >>> >>> I added the KVA_PAGES options hoping to stabilize the machine >>> (doesn't seem to have made any difference.) The only other tuning >>> i am doing at the moment is in loader.conf: >>> >>> >>> kern.maxdsiz="2147483648" # Set the max data size >>> >>> >>> When i boot without PAE I use the generic SMP kernel, and the >>> machine is stable. >>> >>> I know that there are a number of other kernel tunables i could be >>> tweaking, but I am not really sure where to start as the machine >>> dies silently. I was hoping that someone who has run a stable PAE >>> kernel with 8G of ram + could point me in the right direction. >>> >>> Thanks, >>> >>> -Michael >>> _______________________________________________ >>> freebsd-questions@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >>> To unsubscribe, send any mail to "freebsd-questions- >>> unsubscribe@freebsd.org" >> >> _______________________________________________ >> freebsd-questions@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> To unsubscribe, send any mail to >> "freebsd-questions-unsubscribe@freebsd.org" > > -- > | Ted Wisniewski E-Mail: > ted@mail.plymouth.edu | > | Manager, Systems Group WEB: http://oz.plymouth.edu/ > ~ted/ | > | Information Technology Services | > | Plymouth State University Phone: (603) > 535-2661 | > | Plymouth NH, 03264 Fax: (603) > 535-2263 |