From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751904Ab0HSIPv (ORCPT ); Thu, 19 Aug 2010 04:15:51 -0400 Received: from hera.kernel.org ([140.211.167.34]:36711 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751449Ab0HSIPs (ORCPT ); Thu, 19 Aug 2010 04:15:48 -0400 Message-ID: <4C6CE715.4010203@kernel.org> Date: Thu, 19 Aug 2010 10:11:01 +0200 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.2.8) Gecko/20100802 Thunderbird/3.1.2 MIME-Version: 1.0 To: "Rafael J. Wysocki" CC: Luis Rodriguez , LKML , Linux-pm mailing list , linux-wireless@vger.kernel.org, ath9k-devel@venema.h4ckr.net, Maciej Rutecki Subject: Re: [Regression, 2.6.36-rc1] ath9k resume problem on Acer Ferrari One References: <201008190001.11342.rjw@sisk.pl> In-Reply-To: <201008190001.11342.rjw@sisk.pl> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Thu, 19 Aug 2010 08:14:40 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Rafael. On 08/19/2010 12:01 AM, Rafael J. Wysocki wrote: > While testing 2.6.36-rc1 (with a couple of fixes on top) I noticed > that the ath9k driver didn't work after resume from suspend to RAM. > An attempt to unload the driver using rmmod caused the BUG_ON() in > kernel/workqueue.c:2844 to trigger. That BUG_ON() triggers if destroy_workqueue() is called while work items are still pending on the workqueue. Can you please trigger stack traces after resume and post it? Thanks. -- tejun