From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262750AbUACM0W (ORCPT ); Sat, 3 Jan 2004 07:26:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262765AbUACM0W (ORCPT ); Sat, 3 Jan 2004 07:26:22 -0500 Received: from ns.virtualhost.dk ([195.184.98.160]:15512 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S262750AbUACM0U (ORCPT ); Sat, 3 Jan 2004 07:26:20 -0500 Date: Sat, 3 Jan 2004 13:26:14 +0100 From: Jens Axboe To: "Martin J. Bligh" Cc: linux-kernel Subject: Re: Long pauses (IO?) whilst ripping DVDs Message-ID: <20040103122614.GW5523@suse.de> References: <2950000.1073111086@[10.10.2.4]> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2950000.1073111086@[10.10.2.4]> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 02 2004, Martin J. Bligh wrote: > Start transcode in one window, doing something like: > "transcode -i /dev/hdc -x dvd -U file_name -y divx4" > on a DVD ... probably pretty CPU intensive as well as IO. > > Now do ls in another window ... hangs for about 5 seconds before > giving any output ;-( Anyone else seeing that? I do get a lot of > "*** libdvdread: CHECK_VALUE failed in nav_read.c:202 ***" > messages as well ... but I always seem to get those from DVD stuff. DMA or PIO? vmstat info would be very handy here. -- Jens Axboe