From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-vw0-f172.google.com ([209.85.212.172]:53929 "EHLO mail-vw0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755583AbZHJQE7 convert rfc822-to-8bit (ORCPT ); Mon, 10 Aug 2009 12:04:59 -0400 Received: by vws2 with SMTP id 2so2765863vws.4 for ; Mon, 10 Aug 2009 09:04:59 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <43e72e890908100850v1cbb4252j3136245ba4d316b6@mail.gmail.com> References: <20090810150455.GB2733@tuxdriver.com> <43e72e890908100850v1cbb4252j3136245ba4d316b6@mail.gmail.com> Date: Mon, 10 Aug 2009 12:04:59 -0400 Message-ID: Subject: Re: wireless regressions -- Re: 2.6.31-rc5-git5: Reported regressions from 2.6.30 From: Bob Copeland To: "Luis R. Rodriguez" Cc: "John W. Linville" , Fabio Comolli , "Rafael J. Wysocki" , Linux Wireless List Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, Aug 10, 2009 at 11:50 AM, Luis R. Rodriguez wrote: > On Mon, Aug 10, 2009 at 8:04 AM, John W. Linville wrote: >> On Sun, Aug 09, 2009 at 10:36:49PM +0200, Rafael J. Wysocki wrote: >>> This message contains a list of some regressions from 2.6.30, for which there >>> are no fixes in the mainline I know of.  If any of them have been fixed already, >>> please let me know. >> >> Wireless-related ones... > > Some notes on some of these. > >>> Unresolved regressions >>> ---------------------- >> >>> Bug-Entry     : http://bugzilla.kernel.org/show_bug.cgi?id=13947 >>> Subject               : Libertas: Association request to the driver failed >>> Submitter     : Daniel Mack >>> Date          : 2009-08-07 19:11 (3 days old) >>> First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=57921c312e8cef72ba35a4cfe870b376da0b1b87 >>> References    : http://marc.info/?l=linux-kernel&m=124967234311481&w=4 >>> Handled-By    : Roel Kluin >>> >>> >>> Bug-Entry     : http://bugzilla.kernel.org/show_bug.cgi?id=13943 >>> Subject               : WARNING: at net/mac80211/mlme.c:2292 with ath5k >>> Submitter     : Fabio Comolli >>> Date          : 2009-08-06 20:15 (4 days old) >>> References    : http://marc.info/?l=linux-kernel&m=124958978600600&w=4 > > As I noted earlier this comes from the fact that a driver or mac80211 > is queuing work onto the mac80211 workqueue when we already ran the > mac80211 suspend callbacks and we haven't yet resumed. There have been > several fixes for these, for both drivers and mac80211. We've already > pushed them to wireless-testing but I do not recall which ones have > been propagated to 2.6.31 as fixes. This is on my todo and I haven't looked into this very hard yet, but afaik ath5k doesn't (directly) use the mac80211 workqueue, so my guess in Fabio's case would be further up the stack. -- Bob Copeland %% www.bobcopeland.com