Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263024AbUISUB1 (ORCPT ); Sun, 19 Sep 2004 16:01:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263100AbUISUB1 (ORCPT ); Sun, 19 Sep 2004 16:01:27 -0400 Received: from rproxy.gmail.com ([64.233.170.205]:33239 "EHLO mproxy.gmail.com") by vger.kernel.org with ESMTP id S263024AbUISUB0 (ORCPT ); Sun, 19 Sep 2004 16:01:26 -0400 Message-ID: <35fb2e59040919130154966337@mail.gmail.com> Date: Sun, 19 Sep 2004 21:01:22 +0100 From: Jon Masters Reply-To: jonathan@jonmasters.org To: Sergei Haller Subject: Re: lost memory on a 4GB amd64 Cc: linux-kernel In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit References: <200409161528.19409.andrew@walrond.org> <200409161619.28742.andrew@walrond.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 946 Lines: 21 On Sun, 19 Sep 2004 00:18:38 +1000 (EST), Sergei Haller > * if the memory configuration is as follows: the first 3gb ar at the > normal address range, the fourth gb is at the address range 4-5gb. > then all 4gb are available (not quite -- a few mb ere missing, but > thats ok) and > - the SMP kernel panics as soon as I start X Just out of interest - can you say what tests you ran here - for example whether you tried allocating large amounts of memory from a userspace process without running X and/or touching bits of memory mapped hardware? You say a kernel compile works fine so can you rule out this being X taking down the system (you're previous mail seemed somehat unclear). Jon. - 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/