From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754919Ab1KBGbe (ORCPT ); Wed, 2 Nov 2011 02:31:34 -0400 Received: from mail-gy0-f174.google.com ([209.85.160.174]:42807 "EHLO mail-gy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752489Ab1KBGbb (ORCPT ); Wed, 2 Nov 2011 02:31:31 -0400 Date: Wed, 2 Nov 2011 14:31:19 +0800 From: Yong Zhang To: Frank =?utf-8?Q?Sch=C3=A4fer?= Cc: linux-kernel@vger.kernel.org Subject: Re: kernel panic on device removal when using a workqueue and delayed_work Message-ID: <20111102063119.GA7387@zhy> Reply-To: Yong Zhang References: <4EADA32E.6030200@googlemail.com> <20111031031136.GA18057@zhy> <4EAE77F2.80102@googlemail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4EAE77F2.80102@googlemail.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 On Mon, Oct 31, 2011 at 11:26:58AM +0100, Frank Schäfer wrote: > Am 31.10.2011 04:11, schrieb Yong Zhang: > That's what I'm doing (see above). > Did you read the code ? ;-) Oh, blind me. Maybe you can enable DEBUG_OBJECTS_TIMERS && DEBUG_OBJECTS_WORK to check if anything is broken. Thanks, Yong