Return-path: Received: from el-out-1112.google.com ([209.85.162.178]:25195 "EHLO el-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754502AbYEZOcX (ORCPT ); Mon, 26 May 2008 10:32:23 -0400 Received: by el-out-1112.google.com with SMTP id s27so633350ele.1 for ; Mon, 26 May 2008 07:32:20 -0700 (PDT) Message-ID: <1ba2fa240805260732g4c5942b2qec443dfc6d6339a7@mail.gmail.com> (sfid-20080526_163227_434183_A1578925) Date: Mon, 26 May 2008 17:32:13 +0300 From: "Tomas Winkler" To: "Johannes Berg" Subject: Re: [PATCH 1/1] mac80211: fix deadlock in sta->lock Cc: linville@tuxdriver.com, yi.zhu@intel.com, linux-wireless@vger.kernel.org, "Ron Rindjunsky" In-Reply-To: <1211811554.4843.4.camel@johannes.berg> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 References: <1211810958-23095-1-git-send-email-tomas.winkler@intel.com> <1211811554.4843.4.camel@johannes.berg> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, May 26, 2008 at 5:19 PM, Johannes Berg wrote: > On Mon, 2008-05-26 at 17:09 +0300, Tomas Winkler wrote: >> From: Ron Rindjunsky >> >> This patch fixes a deadlock of sta->lock use, occuring while changing >> tx aggregation states, as dev_queue_xmit end up in new function >> test_and_clear_sta_flags that uses that lock thus leading to deadlock > > Oh, good catch, thanks. Reminds me to debug the other deadlock I saw > (not mac80211 related though) > very encouraging :) . Can you send me details I also experience some lockups on rc2 Thanks Tomas