From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 21 May 2001 07:54:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 21 May 2001 07:54:45 -0400 Received: from jurassic.park.msu.ru ([195.208.223.243]:15367 "EHLO jurassic.park.msu.ru") by vger.kernel.org with ESMTP id ; Mon, 21 May 2001 07:54:30 -0400 Date: Mon, 21 May 2001 15:51:51 +0400 From: Ivan Kokshaysky To: Andrea Arcangeli Cc: "David S. Miller" , Andrew Morton , Richard Henderson , linux-kernel@vger.kernel.org Subject: Re: alpha iommu fixes Message-ID: <20010521155151.A10403@jurassic.park.msu.ru> In-Reply-To: <15112.26868.5999.368209@pizda.ninka.net> <20010521034726.G30738@athlon.random> <15112.48708.639090.348990@pizda.ninka.net> <20010521105944.H30738@athlon.random> <15112.55709.565823.676709@pizda.ninka.net> <20010521115631.I30738@athlon.random> <15112.59880.127047.315855@pizda.ninka.net> <20010521125032.K30738@athlon.random> <15112.62766.368436.236478@pizda.ninka.net> <20010521131959.M30738@athlon.random> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010521131959.M30738@athlon.random>; from andrea@suse.de on Mon, May 21, 2001 at 01:19:59PM +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 21, 2001 at 01:19:59PM +0200, Andrea Arcangeli wrote: > Alpha in mainline is just screwedup if a single pci bus tries to dynamic > map more than 128mbyte, changing it to 512mbyte is trivial, growing more Could you just describe the configuration where increasing sg window from 128 to 512Mb actually fixes "out of ptes" problem? I mean which drivers involved, what kind of load etc. I'm unable reproduce it with *8Mb* window, so I'm asking. Ivan.