From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261385AbVBNK2V (ORCPT ); Mon, 14 Feb 2005 05:28:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261384AbVBNK2V (ORCPT ); Mon, 14 Feb 2005 05:28:21 -0500 Received: from pop.gmx.de ([213.165.64.20]:61586 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S261386AbVBNK2J (ORCPT ); Mon, 14 Feb 2005 05:28:09 -0500 X-Authenticated: #8956447 Subject: Re: [Problem] slow write to dvd-ram since 2.6.7-bk8 From: Droebbel To: linux-kernel@vger.kernel.org In-Reply-To: <20050214085320.GA4910@dose.home.local> References: <1108301794.9280.18.camel@localhost.localdomain> <20050213142635.GA2035@animx.eu.org> <20050214085320.GA4910@dose.home.local> Content-Type: text/plain Date: Mon, 14 Feb 2005 11:28:06 +0100 Message-Id: <1108376886.9495.10.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.1.5 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mo, 2005-02-14 at 09:53 +0100, Tino Keitel wrote: >I also have low write performance (around 300 kb/s) with several 2.6 >kernels (2.6.7 to 2.6.9-mm1) and I can hear the head jump around when I >use ext2 or UDF. It will be fast when written directly to the device >without a file system using dd. The drive is a LG GSA-4040B. I tried >several media types from Panasonic and EMTEC. > >I'll try to test if the problem disappears with 2.6.6. I had also tested writing with dd (forgot to mention), it seemed faster sometimes, but not as fast as it could be. pre-2.6.7-bk8 was still faster, though only about 25%. Which 2.6.7 did you use? Regards David