From owner-freebsd-bugs@FreeBSD.ORG Sat Nov 29 05:41:49 2003 Return-Path: Delivered-To: freebsd-bugs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9ABE816A4CF for ; Sat, 29 Nov 2003 05:41:49 -0800 (PST) Received: from smtp999.apm-internet.net (smtp999.apm-internet.net [62.3.197.131]) by mx1.FreeBSD.org (Postfix) with SMTP id DC6AC43FD7 for ; Sat, 29 Nov 2003 05:41:45 -0800 (PST) (envelope-from jonathan@fluent.ltd.uk) Received: (qmail 61628 invoked from network); 29 Nov 2003 14:50:15 -0000 Received: from unknown (HELO clarity) (62.3.196.98) by smtp999.apm-internet.net with SMTP; 29 Nov 2003 14:50:15 -0000 Message-ID: <00b001c3b67e$83f98c10$62c4033e@clarity> From: "Jonathan Gilpin" To: Date: Sat, 29 Nov 2003 13:41:39 -0000 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 cc: freebsd-bugs@freebsd.org cc: freebsd-stable@freebsd.org Subject: Re: kern/59719 Re: 4.9 Stable Crashes on SuperMicro with SMP X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Nov 2003 13:41:49 -0000 Having disabled the SMP in the kernel. The box is running with Hypterthreading Turned on thus using 2 virtual CPU's. Would this indicatate that the problem is with the second CPU? Or does this prove nothing... Jonathan ----- Original Message ----- From: "Jonathan Gilpin" To: "David Malone" ; Cc: ; ; "Don Bowman" Sent: Saturday, November 29, 2003 1:22 AM Subject: Re: kern/59719 Re: 4.9 Stable Crashes on SuperMicro with SMP > I've run memtest (memtest86.com) kindly provided by Don and it passed all > the tests. I've installed installed a kernel module to test for memory > errors and found that again no memory errors are found... So this means it's > either a problem with the CPU's or a geniune bug in the kernel. (bugger!) > > I'm going to switch the CPU's around (we dont have any spare) and then try > and get spares from my supplier to test with. Today I aslo enabled > Hypterthreading in the BIOS and Disabled MPS 1.4. This had no effect and the > box continued to crash... > > The strange thing is that this box ran fine using Suse... > > The box BTW is a SuperMicro 6013-I (some of you have asked). > > Is it worth enabling any debug stuff in the kernel? I'm not familair with > gdb but can follow instructions to provide more info to anyone investigating > possible bugs such as these... > > Unless the switching of the CPU's around works I'm going to have to go back > to 1 CPU for stability... > > Jonathan > > > > ----- Original Message ----- > From: "David Malone" > To: "Jonathan Gilpin" > Cc: ; > Sent: Thursday, November 27, 2003 2:09 PM > Subject: Re: 4.9 Stable Crashes on SuperMicro with SMP > > > > On Wed, Nov 26, 2003 at 10:35:49PM -0000, Jonathan Gilpin wrote: > > > Further Crashes as reported before: > > > > Both of these crashes could potentially be caused by hardware or > > memory problems. While it is possible it's a bug of some sort, I'd > > start by checking out my hardware, if I were you... > > > > David. > > >