Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262524AbTEFKir (ORCPT ); Tue, 6 May 2003 06:38:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262525AbTEFKir (ORCPT ); Tue, 6 May 2003 06:38:47 -0400 Received: from pc2-cwma1-4-cust86.swan.cable.ntl.com ([213.105.254.86]:48550 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S262524AbTEFKin (ORCPT ); Tue, 6 May 2003 06:38:43 -0400 Subject: Re: ISDN massive packet drops while DVD burn/verify From: Alan Cox To: Stephan von Krawczynski Cc: Karsten Keil , kai@tp1.ruhr-uni-bochum.de, Linux Kernel Mailing List In-Reply-To: <20030505173249.50a72df9.skraw@ithnet.com> References: <20030416151221.71d099ba.skraw@ithnet.com> <20030419193848.0811bd90.skraw@ithnet.com> <1050789691.3955.17.camel@dhcp22.swansea.linux.org.uk> <20030505142300.GC28010@pingi3.kke.suse.de> <20030505173249.50a72df9.skraw@ithnet.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Organization: Message-Id: <1052214757.28797.11.camel@dhcp22.swansea.linux.org.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-5) Date: 06 May 2003 10:52:38 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 758 Lines: 16 On Llu, 2003-05-05 at 16:32, Stephan von Krawczynski wrote: > Let me simply ask back: is the IDE code in nowadays 2.4 kernel so bad, that a > dual 1,4 GHz PIII cpu with 3 GB ram performs much worse than a 90 MHz P I with > 64 MB and OS/2 on it??? > _My_ isdn drivers showed _no_ such problems under OS/2 and IDE load... > > How did we manage to become that bad? Our default behaviour in PIO mode is defensive to handle very old controller setups that chew up disks when the disk gets ahead of the pio transfer. - 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/