From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5949 invoked from network); 11 May 2004 19:04:35 +0000 Received: from smtp.gentoo.org (128.193.0.39) by eagle.gentoo.oregonstate.edu with DES-CBC3-SHA encrypted SMTP; 11 May 2004 19:04:35 +0000 Received: from lists.gentoo.org ([128.193.0.34] helo=eagle.gentoo.org) by smtp.gentoo.org with esmtp (Exim 4.24) id 1BNcYN-0007Ns-JP for arch-gentoo-dev@lists.gentoo.org; Tue, 11 May 2004 19:04:35 +0000 Received: (qmail 28275 invoked by uid 50004); 11 May 2004 19:04:35 +0000 Mailing-List: contact gentoo-dev-help@gentoo.org; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-dev@gentoo.org Received: (qmail 3402 invoked from network); 11 May 2004 19:04:35 +0000 Date: Tue, 11 May 2004 12:04:00 -0700 From: Greg KH To: Kevin Cc: gentoo-dev@lists.gentoo.org Message-ID: <20040511190400.GA22352@kroah.com> Reply-To: gentoo-dev@lists.gentoo.org References: <200405111407.58909.gentoo-dev@gnosys.biz> <20040511184600.GA20882@kroah.com> <200405111455.47547.gentoo-dev@gnosys.biz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200405111455.47547.gentoo-dev@gnosys.biz> User-Agent: Mutt/1.5.6i Subject: Re: [gentoo-dev] Major MCE problem with SMP on Gentoo kernels X-Archives-Salt: df0721fd-46eb-4cef-bafd-41e0f2351c0e X-Archives-Hash: c8869fe37cd91b3f3eeafba9caf0b89e On Tue, May 11, 2004 at 02:55:47PM -0400, Kevin wrote: > On Tuesday 11 May 2004 14:46, Greg KH wrote: > > On Tue, May 11, 2004 at 02:07:58PM -0400, Kevin wrote: > > > In summary, my problem is this: of those that I've tried, I can't > > > get any Gentoo kernel to handle SMP operation during major CPU > > > activity (like emerging packages) for more than about 5 or 10 > > > minutes. Invariably, during such activity, I get a kernel > > > panic---most often with words on the console about Machine Check > > > Exception 000000...004 (this number from memory so it may be off). > > > > This means you have bad hardware (memory, cpu, overheating, etc.) > > It's the hardware saying that something bad just happened, nothing > > the OS or distro did wrong here. > > Thanks for your reply, Greg. Although what you say here may be true in > some circumstances, I think you're wrong in this case. You may have > stopped reading after the above paragraph, but in the rest of my post, > I describe how a SuSE9 distro installed on this same hardware has no > problems doing all of the things that failed in Gentoo. That's a > pretty strong indication that there are no hardware problems, isn't it? Not at all. Different compilers/kernels/programs exercise hardware in very different ways. It could be that your compiler settings for Gentoo causes different instructions to be used for the same program on SuSE. Try running memtest86 overnight as a good start to rule out your memory. Good luck, greg k-h -- gentoo-dev@gentoo.org mailing list