From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 12 Oct 2001 18:16:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 12 Oct 2001 18:16:00 -0400 Received: from penguin.e-mind.com ([195.223.140.120]:27744 "EHLO penguin.e-mind.com") by vger.kernel.org with ESMTP id ; Fri, 12 Oct 2001 18:15:45 -0400 Date: Sat, 13 Oct 2001 00:15:53 +0200 From: Andrea Arcangeli To: Duncan Sands Cc: linux-kernel@vger.kernel.org Subject: Re: xine pauses with recent (not -ac) kernels Message-ID: <20011013001553.F714@athlon.random> In-Reply-To: <01101208552800.00838@baldrick> <20011012161052.R714@athlon.random> <01101300085600.00832@baldrick> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <01101300085600.00832@baldrick>; from duncan.sands@math.u-psud.fr on Sat, Oct 13, 2001 at 12:08:56AM +0200 X-GnuPG-Key-URL: http://e-mind.com/~andrea/aa.gnupg.asc X-PGP-Key-URL: http://e-mind.com/~andrea/aa.asc Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Oct 13, 2001 at 12:08:56AM +0200, Duncan Sands wrote: > On Friday 12 October 2001 4:10 pm, Andrea Arcangeli wrote: > > On Fri, Oct 12, 2001 at 08:55:28AM +0200, Duncan Sands wrote: > > > Subject: xine pauses with recent (not -ac) kernels > > > > > > Problem: using xine to view an (encrypted) DVD, xine is slow to move > > > on to the second .vob file: at the end of the first file, it at best > > > waits a few seconds with a black screen and consuming no CPU, before > > > moving on to the second file, but sometimes it waits for a long time. > > > > > > Correct behaviour: the second .vob file starts playing at once. > > > > > > I think this is a kernel problem because it did not occur up to > > > 2.4.9. The problem appeared between 2.4.10-pre10 and 2.4.10-pre13. > > > It is present in 2.4.12. It doesn't seem to occur in any -ac kernels. > > > > > > linux-2.4.9 : correct > > > ... > > > linux-2.4.10-pre10 : correct > > > linux-2.4.10-pre11 : fails to compile > > > linux-2.4.10-pre12 : oops during system init > > > linux-2.4.10-pre13 : problem present > > > ... > > > linux-2.4.12 : problem present > > > > > > If I replay the DVD several times, the length of the pause varies, and > > > sometimes it does not occur at all. > > > > > > Any ideas? > > > > can you reproduce also on 2.4.12aa1? > > > > ftp://ftp.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.12 > >aa1.bz2 > > > > Andrea > > Yes, it seems to have the same problem. It even seems a bit worse > (just my impression, I didn't do any statistics). can you send me a `vmstat 1` during the skips? are you swapping or making use of applications that uses MAP_SHARED? Andrea