From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762894AbYDNRdz (ORCPT ); Mon, 14 Apr 2008 13:33:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762028AbYDNRdq (ORCPT ); Mon, 14 Apr 2008 13:33:46 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:38487 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1760154AbYDNRdp (ORCPT ); Mon, 14 Apr 2008 13:33:45 -0400 Date: Mon, 14 Apr 2008 18:29:18 +0100 From: Alan Cox To: Joerg.Schilling@fokus.fraunhofer.de (Joerg Schilling) Cc: linux-kernel@vger.kernel.org, htejun@gmail.com Subject: Re: Again... DMA speed too slow Message-ID: <20080414182918.4779b8ea@core> In-Reply-To: <48039208.H1ySWf8m1sXKYjHZ%Joerg.Schilling@fokus.fraunhofer.de> References: <48038c3e.P3RWjRNXsDrhjIX7%Joerg.Schilling@fokus.fraunhofer.de> <20080414175636.4ea815dc@core> <48039208.H1ySWf8m1sXKYjHZ%Joerg.Schilling@fokus.fraunhofer.de> X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.5; x86_64-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > OK, I know that a few drives give wrong DMA speed test results on Solaris, > so the behavior for these drives seems to be unrelated to the OS. Controllers don't always get DMA ATAPI right things like that - not trivial little speed test details. > I am not sure why you mention the term "brave", is it because all known Linux > distributions still require suid root? In this case, I encourage you to inform Last time I checked almost all cd burning was being done non root. Alan