Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261856AbVEWH36 (ORCPT ); Mon, 23 May 2005 03:29:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261858AbVEWH36 (ORCPT ); Mon, 23 May 2005 03:29:58 -0400 Received: from mx2.elte.hu ([157.181.151.9]:7042 "EHLO mx2.elte.hu") by vger.kernel.org with ESMTP id S261856AbVEWH34 (ORCPT ); Mon, 23 May 2005 03:29:56 -0400 Date: Mon, 23 May 2005 09:28:34 +0200 From: Ingo Molnar To: ganzinger@mvista.com Cc: "linux-kernel@vger.kernel.org" , Corey Minyard Subject: Re: [PATCH] BUG_ON() in ksoftirqd is a bit too agressive... Message-ID: <20050523072834.GB3539@elte.hu> References: <428BD501.5020905@mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <428BD501.5020905@mvista.com> User-Agent: Mutt/1.4.2.1i 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: 760 Lines: 19 * George Anzinger wrote: > Ksoftirqd is created by init, long after the timer system is up and > running. We have hit the BUG_ON(tasklet_... in this code, i.e. > tasklets pending at ksoftirqd create time. Since, with the RT option > to push all softirq code to a thread, any softirqs are defered to this > time, it is easy to hit this bug. Clearly only a problem for cpu 0. > Here is a patch: thanks, i've applied this to my -RT tree (will show up in .47-05 and later trees). 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/