Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757192AbXLBUJ3 (ORCPT ); Sun, 2 Dec 2007 15:09:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754886AbXLBUJV (ORCPT ); Sun, 2 Dec 2007 15:09:21 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:42526 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754866AbXLBUJT (ORCPT ); Sun, 2 Dec 2007 15:09:19 -0500 Date: Sun, 2 Dec 2007 21:08:57 +0100 From: Ingo Molnar To: Arjan van de Ven Cc: Andi Kleen , linux-kernel@vger.kernel.org, Andrew Morton , Thomas Gleixner Subject: Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks Message-ID: <20071202200857.GB12101@elte.hu> References: <20071201092037.GA32544@elte.hu> <20071202185945.GA25990@elte.hu> <20071202114152.3bf4332d@laptopd505.fenrus.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071202114152.3bf4332d@laptopd505.fenrus.org> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 752 Lines: 20 * Arjan van de Ven wrote: > > TASK_KILLABLE should be the right solution i think. > > .. and it's even a tool to show where we missed making something > TASK_KILLABLE... anything that triggers from NFS and the like really > ought to be TASK_KILLABLE after all. This patch will point any > omissions out quite nicely without having to do any kind of > destructive testing. yeah, exactly. Having something "hard blocked" for a long amount of time is rarely a good thing. 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/