Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261820AbUJYOKF (ORCPT ); Mon, 25 Oct 2004 10:10:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261817AbUJYOKE (ORCPT ); Mon, 25 Oct 2004 10:10:04 -0400 Received: from mx2.elte.hu ([157.181.151.9]:49073 "EHLO mx2.elte.hu") by vger.kernel.org with ESMTP id S261820AbUJYOJj (ORCPT ); Mon, 25 Oct 2004 10:09:39 -0400 Date: Mon, 25 Oct 2004 16:10:08 +0200 From: Ingo Molnar To: Florian Schmidt Cc: "K.R. Foley" , linux-kernel@vger.kernel.org, Lee Revell , Rui Nuno Capela , Mark_H_Johnson@Raytheon.com, Bill Huey , Adam Heath , Thomas Gleixner , Michal Schmidt , Fernando Pablo Lopez-Lezcano , Alexander Batyrshin Subject: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0 Message-ID: <20041025141008.GA13512@elte.hu> References: <20041022133551.GA6954@elte.hu> <20041022155048.GA16240@elte.hu> <20041022175633.GA1864@elte.hu> <20041025104023.GA1960@elte.hu> <417CDE90.6040201@cybsft.com> <20041025111046.GA3630@elte.hu> <20041025121210.GA6555@elte.hu> <20041025152458.3e62120a@mango.fruits.de> <20041025132605.GA9516@elte.hu> <20041025160330.394e9071@mango.fruits.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041025160330.394e9071@mango.fruits.de> User-Agent: Mutt/1.4.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-4.9, required 5.9, autolearn=not spam, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1146 Lines: 28 * Florian Schmidt wrote: > > does the patch below fix this? > > looks like it. they didn't show on first boot of the new kernel with > patch applied. ok, i've added it and uploaded -V0.2 together with another fix: there was a scheduler recursion possible via the delayed-put mechanism using workqueues - now it's using its own separate lists and per-CPU threads. > Btw: i still experience some "pauses". They are different now though. > It seems i can trigger them by reloading a page in mozilla (not > always). This BUG definetly looks related. Dunno, when exactly it > happened (related to what i did at that moment), but it's the only one > in dmesg output on this bootup. Each of the pauses is accompanied by a > high cpu usage of ksoftirqd. I cannot retrigger the BUG though. please try -V0.2 - maybe the delayed-put fix is somehow related. (but only maybe...) Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/