From owner-freebsd-smp@FreeBSD.ORG Wed Aug 17 23:55:11 2005 Return-Path: X-Original-To: freebsd-smp@freebsd.org Delivered-To: freebsd-smp@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E603116A41F for ; Wed, 17 Aug 2005 23:55:11 +0000 (GMT) (envelope-from girgen@FreeBSD.org) Received: from mxfep01.bredband.com (mxfep01.bredband.com [195.54.107.70]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0B3F543D48 for ; Wed, 17 Aug 2005 23:55:10 +0000 (GMT) (envelope-from girgen@FreeBSD.org) Received: from palle.girgensohn.se ([213.114.205.87] [213.114.205.87]) by mxfep01.bredband.com with ESMTP id <20050817235509.OLO23053.mxfep01.bredband.com@palle.girgensohn.se>; Thu, 18 Aug 2005 01:55:09 +0200 Received: from localhost (palle.girgensohn.se [127.0.0.1]) by palle.girgensohn.se (Postfix) with ESMTP id 568AA1CFCE; Thu, 18 Aug 2005 01:55:09 +0200 (CEST) Received: from palle.girgensohn.se ([127.0.0.1]) by localhost (palle.girgensohn.se [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 99127-09; Thu, 18 Aug 2005 01:55:09 +0200 (CEST) Received: from palle.girgensohn.se (palle.girgensohn.se [127.0.0.1]) by palle.girgensohn.se (Postfix) with ESMTP id 24EEF1CF5F; Thu, 18 Aug 2005 01:55:09 +0200 (CEST) Date: Thu, 18 Aug 2005 01:55:09 +0200 From: Palle Girgensohn To: Rutger Bevaart , freebsd-smp@freebsd.org Message-ID: <54A5EA8AE63A943A718F6AF2@palle.girgensohn.se> In-Reply-To: <24434.193.172.18.3.1121433324.squirrel@193.172.18.3> References: <24434.193.172.18.3.1121433324.squirrel@193.172.18.3> X-Mailer: Mulberry/3.1.6 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Virus-Scanned: by amavisd-new at pingpong.net Cc: Subject: Re: FreeBSD unstable on Dell 1750 using SMP? X-BeenThere: freebsd-smp@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: FreeBSD SMP implementation group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Aug 2005 23:55:12 -0000 --On fredag, juli 15, 2005 15.15.24 +0200 Rutger Bevaart wrote: > > hello list, > > For the past year we've been running several Dell PowerEdge 1750 servers > on FreeBSD 4.10, 4.11 and 5.3. All these machines have dual Xeons running > with HT enabled. This install has proven to be unstable in that the > machine will reboot between 3 days and 170 days without apparant reason. > No log is written. Other machines we have with a single CPU (HT enabled) > do not experience this problem. > > As it is present in both 4.x and 5.x and googling the last year has not > revealed similar experience I'm consulting this list. As all of these > machines are productions machines that have a continuous load (not heavly > load, but a light average - some peaks) it's not easy to experiment with > HT setting etc. I dislike driving to the datacenter for locked systems > with fubarred kernels ;-) > > The only error i've ever seen just before a reboot is "bge0: discard frame > w/o packet header" on the 5.3 machine. Late comment while browsing the list for tips... No good clues, I'm afraid, but we have a 2850, and it is far from stable, crashing within hours when running SMP, often but not always under high load. Single CPU works like a charm. This is very annoying, to say the least. See my posts on amd64@ around June 15. FreeBSD 5.4p1 (amd64). Dell 2850 with dual Xeon CPUS, EM64T. /Palle