From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263359AbVGBCLn (ORCPT ); Fri, 1 Jul 2005 22:11:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261696AbVGBCJ6 (ORCPT ); Fri, 1 Jul 2005 22:09:58 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:741 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S263451AbVGBCCI (ORCPT ); Fri, 1 Jul 2005 22:02:08 -0400 Subject: Re: Real-Time Preemption, -RT-2.6.12-final-V0.7.50-24 From: Lee Revell To: William Weston Cc: Ingo Molnar , linux-kernel@vger.kernel.org In-Reply-To: References: <200506281927.43959.annabellesgarden@yahoo.de> <200506301952.22022.annabellesgarden@yahoo.de> <20050630205029.GB1824@elte.hu> <200507010027.33079.annabellesgarden@yahoo.de> <20050701071850.GA18926@elte.hu> Content-Type: text/plain Date: Fri, 01 Jul 2005 22:02:02 -0400 Message-Id: <1120269723.12256.11.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.3.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2005-07-01 at 18:46 -0700, William Weston wrote: > FWIW, I'm still seeing the SMT scheduling? meltdown issues with > -50-42. > Running two instances of 'dd if=/dev/zero of=/dev/null bs=65536' > instead > of 'burnP6' results in the same behavior. Here's a quick recap: > > - Start (or login to ) X. > - Start an X app that constantly updates the screen, like wmcube, or > vlc. Which video driver is X using? What nice value is the X server running at? Does adding: Option "NoAccel" to the Device section of your X config file make any difference? (on most systems X is the only thing besides the kernel that can access hardware directly, which can cause problems) Lee