From owner-freebsd-bugs@FreeBSD.ORG Sat Nov 29 05:50:23 2003 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BF4CC16A4CE for ; Sat, 29 Nov 2003 05:50:23 -0800 (PST) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id C289243FBF for ; Sat, 29 Nov 2003 05:50:22 -0800 (PST) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.12.9/8.12.9) with ESMTP id hATDoMFY054116 for ; Sat, 29 Nov 2003 05:50:22 -0800 (PST) (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.9/8.12.9/Submit) id hATDoMC6054115; Sat, 29 Nov 2003 05:50:22 -0800 (PST) (envelope-from gnats) Date: Sat, 29 Nov 2003 05:50:22 -0800 (PST) Message-Id: <200311291350.hATDoMC6054115@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: "Jonathan Gilpin" 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 Reply-To: Jonathan Gilpin List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Nov 2003 13:50:23 -0000 The following reply was made to PR kern/59719; it has been noted by GNATS. From: "Jonathan Gilpin" To: Cc: , Subject: Re: kern/59719 Re: 4.9 Stable Crashes on SuperMicro with SMP Date: Sat, 29 Nov 2003 13:41:39 -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. > > >