From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261380AbTJCWaL (ORCPT ); Fri, 3 Oct 2003 18:30:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261396AbTJCWaL (ORCPT ); Fri, 3 Oct 2003 18:30:11 -0400 Received: from dnsb1.cdh.it ([62.94.122.7]:43826 "EHLO dae.cdh.it") by vger.kernel.org with ESMTP id S261380AbTJCWaH (ORCPT ); Fri, 3 Oct 2003 18:30:07 -0400 Message-ID: <3F7DF868.809@ampersand.it> Date: Sat, 04 Oct 2003 00:30:00 +0200 From: Stefano Carlotto User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.4) Gecko/20030624 X-Accept-Language: it, en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: highmem problem with lc2000 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-MailScanner: Found to be clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I'm having this strange problem: hp lc2000 (sym53c896 scsi), 2 pentium III, kernel 2.4.22, just upgraded to 1664MB, raid software used, slackware 8.1. Obviously, if i do not activate highmem support on kernel, I can see only 896MB, as I had before the memory upgrade. If I activate high mem support (4GB), the system starts normally, until it goes multiuser: then it slows in a incredible way, almost stop, no disk activity, no ping answer, if I press return on keyboard, it scrolls very very slooooow... ( vesa framebuffer used) any idea? :( this is /proc/mtrr ( no highmem support compiled) reg00: base=0x00000000 ( 0MB), size=1024MB: write-back, count=1 reg01: base=0x40000000 (1024MB), size= 512MB: write-back, count=1 reg02: base=0x60000000 (1536MB), size= 128MB: write-back, count=1 thanks Stefano