Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268578AbUIXIXd (ORCPT ); Fri, 24 Sep 2004 04:23:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268581AbUIXIXd (ORCPT ); Fri, 24 Sep 2004 04:23:33 -0400 Received: from merkurneu.hrz.uni-giessen.de ([134.176.2.3]:64151 "EHLO merkurneu.hrz.uni-giessen.de") by vger.kernel.org with ESMTP id S268578AbUIXIXa (ORCPT ); Fri, 24 Sep 2004 04:23:30 -0400 Date: Fri, 24 Sep 2004 18:23:10 +1000 (EST) From: Sergei Haller X-X-Sender: gc1007@fb07-calculator.math.uni-giessen.de To: Andrew Walrond Cc: linux-kernel@vger.kernel.org Subject: Re: lost memory on a 4GB amd64 In-Reply-To: <200409240915.34471.andrew@walrond.org> Message-Id: References: <200409240915.34471.andrew@walrond.org> Organization: University of Giessen * Germany MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-HRZ-JLUG-MailScanner-Information: Passed JLUG virus check X-HRZ-JLUG-MailScanner: Found to be clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1932 Lines: 55 On Fri, 24 Sep 2004, Andrew Walrond (AW) wrote: AW> On Monday 20 Sep 2004 11:26, Sergei Haller wrote: AW> > AW> > fang ~sergei> ./memtest 1000000000 AW> > allocate 1000000000: ok AW> > AW> > Message from syslogd@fang at Mon Sep 20 18:03:16 2004 ... AW> > fang kernel: Oops: 0000 [1] PREEMPT SMP AW> > AW> AW> Works fine on my 4Gb Tyan thunder K8W machine, even running from an xterm: AW> andrew@orac ~ $ uname -a AW> Linux orac.walrond.org 2.6.8.1 #3 SMP Sun Aug 29 17:36:49 BST 2004 x86_64 AW> unknown unknown GNU/Linux AW> AW> andrew@orac ~ $ free -m AW> total used free shared buffers cached AW> Mem: 4008 263 3744 0 0 66 AW> -/+ buffers/cache: 195 3812 AW> Swap: 3827 25 3802 AW> AW> andrew@orac ~ $ ./memtest 1000000000 AW> allocate 1000000000: ok AW> set them to 0... done AW> andrew@orac ~ $ ./memtest 4000000000 AW> allocate 4000000000: ok AW> set them to 0... done AW> andrew@orac ~ $ ./memtest 5000000000 AW> allocate 5000000000: ok AW> set them to 0... done AW> andrew@orac ~ $ AW> AW> The last one took a while (using 1Gb swap) but it still worked fine. Hi Andrew, thanks for your report. It's the same for me if I use the non-SMP version of the kernel. but the SMP one seems to be panicking for some reason. Sergei -- -------------------------------------------------------------------- -?) eMail: Sergei.Haller@math.uni-giessen.de /\\ -------------------------------------------------------------------- _\_V Be careful of reading health books, you might die of a misprint. -- Mark Twain - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/