Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753678AbbBJIfc (ORCPT ); Tue, 10 Feb 2015 03:35:32 -0500 Received: from bastet.se.axis.com ([195.60.68.11]:38070 "EHLO bastet.se.axis.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751032AbbBJIfa (ORCPT ); Tue, 10 Feb 2015 03:35:30 -0500 Date: Tue, 10 Feb 2015 09:35:26 +0100 From: Jesper Nilsson To: Tejun Heo Cc: Rabin Vincent , Jesper Nilsson , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH for-3.20-fixes] workqueue: fix hang involving racing cancel[_delayed]_work_sync()'s for PREEMPT_NONE Message-ID: <20150210083526.GT11399@axis.com> References: <20150206171156.GA8942@axis.com> <20150209161527.GH3220@htj.duckdns.org> <20150209162955.GQ11399@axis.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150209162955.GQ11399@axis.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 872 Lines: 25 On Mon, Feb 09, 2015 at 05:29:55PM +0100, Jesper Nilsson wrote: > On Mon, Feb 09, 2015 at 05:15:27PM +0100, Tejun Heo wrote: > > Hello, > > Hi, > > > Can you please verify that the following patch fixes the issue? > > Rabin will have to report if it fixes it for his synthetic case, > but I'll try it in my "real-world" jffs2 sync problem, and report > after a couple of hours. I let the test run for the night, and got no failures. Before I got at most an hour of tests before lockup. Tested-by: Jesper Nilsson /^JN - Jesper Nilsson -- Jesper Nilsson -- jesper.nilsson@axis.com -- 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/