Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754561AbZGKOHd (ORCPT ); Sat, 11 Jul 2009 10:07:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751591AbZGKOHX (ORCPT ); Sat, 11 Jul 2009 10:07:23 -0400 Received: from fias.uni-frankfurt.de ([141.2.248.1]:51817 "EHLO fias.uni-frankfurt.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751358AbZGKOHX (ORCPT ); Sat, 11 Jul 2009 10:07:23 -0400 From: Jan Scholz To: Johannes Berg Cc: "Rafael J. Wysocki" , Jan Scholz , Linux Kernel Mailing List , Kernel Testers List , Tomas Janousek , "John W. Linville" Subject: Re: [Bug #13337] [post 2.6.29 regression] hang during suspend of b44/b43 modules References: <87k52izvd9.fsf@scholz.fias.uni-frankfurt.de> <87y6qxx50z.fsf@scholz.fias.uni-frankfurt.de> <200907092203.10294.rjw@sisk.pl> <1247171295.1905.5.camel@johannes.local> Date: Sat, 11 Jul 2009 16:07:10 +0200 In-Reply-To: <1247171295.1905.5.camel@johannes.local> (Johannes Berg's message of "Thu, 09 Jul 2009 22:28:15 +0200") Message-ID: <87prc78ga9.fsf@scholz.fias.uni-frankfurt.de> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.95 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1476 Lines: 35 Johannes Berg writes: > On Thu, 2009-07-09 at 22:03 +0200, Rafael J. Wysocki wrote: >> On Thursday 09 July 2009, Jan Scholz wrote: >> > Hi, >> > >> > I have just checked this on v2.6.31-rc1 and v2.6.31-rc2-214-g34f2547 >> > (I wanted to test this on v2.6.31-rc2 as well, but there I had other >> > suspend-issues that are fixed in todays v2.6.31-rc2-214-g34f2547) >> > >> > For both v2.6.31-rc1 and v2.6.31-rc2-214-g34f2547 suspend to ram fails >> > with the test procedure described below, but it works fine when I revert >> > commit 5bb644a0fd25a5e083ecbfaa92a211db99aa6ef7 >> > "mac80211: cancel/restart all timers across suspend/resume" >> >> Thanks for the update. >> >> Johannes, do you have any idea what can go wrong here? > > Not really, no. __ieee80211_suspend isn't holding any locks that the > cancel_work_sync() calls could require or so afaict... > > Jan, can you run with console_suspend=0 (or whatever it is now, Rafael > will correct me if I'm wrong) that should work on your platform, and put > a bunch of printk calls into __ieee80211_suspend in net/mac80211/pm.c to > see where in there it's hanging? Did that, seems like it hangs in drv_remove_interface(local, &conf); Jan -- 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/