From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266243AbUGJNLJ (ORCPT ); Sat, 10 Jul 2004 09:11:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266244AbUGJNLJ (ORCPT ); Sat, 10 Jul 2004 09:11:09 -0400 Received: from av9-2-sn1.fre.skanova.net ([81.228.11.116]:59331 "EHLO av9-2-sn1.fre.skanova.net") by vger.kernel.org with ESMTP id S266243AbUGJNLG convert rfc822-to-8bit (ORCPT ); Sat, 10 Jul 2004 09:11:06 -0400 From: Roger Larsson To: linux-kernel@vger.kernel.org Subject: Re: (att. ismail) [announce] [patch] Voluntary Kernel Preemption Patch Date: Sat, 10 Jul 2004 15:03:58 +0200 User-Agent: KMail/1.6.82 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200407101503.58124.roger.larsson@norran.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > Tested on 2.6.7-bk20, Pentium3 700 mhz, 576 mb RAM > > I did cp -rf big_folder new_folder . Then opened up a gui ftp client > and music in amarok started to skip like for 2-3 seconds. > > Btw Amarok uses Artsd ( KDE Sound Daemon ) which in turn set to use > Jack Alsa Backend. Are you sure that both artsd and jackd is run as RT processes? artsd needs 'artswrapper' as suid root and option in kconfig enabled. (never versions of amarok warns the user if this is not the case...) [You can try to run the same as root to be sure] But it does sound as a io scheduler problem - but 2-3 seconds!? /RogerL -- Roger Larsson Skellefteċ Sweden