From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-px0-f189.google.com ([209.85.216.189]:40775 "EHLO mail-px0-f189.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751492AbZLISSZ convert rfc822-to-8bit (ORCPT ); Wed, 9 Dec 2009 13:18:25 -0500 Received: by pxi27 with SMTP id 27so1478583pxi.4 for ; Wed, 09 Dec 2009 10:18:32 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <43e72e890912090918m55d2816co9b04065e91e4d4f1@mail.gmail.com> References: <43e72e890912090918m55d2816co9b04065e91e4d4f1@mail.gmail.com> Date: Wed, 9 Dec 2009 10:13:18 -0800 Message-ID: Subject: Re: WARNING at mac80211_ieee80211_rx From: Jeffrey Baker To: "Luis R. Rodriguez" Cc: linux-wireless@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, Dec 9, 2009 at 9:18 AM, Luis R. Rodriguez wrote: > On Tue, Dec 8, 2009 at 10:03 PM, Jeffrey Baker wrote: >> My access point with an AR9220 stopped passing traffic, > > Jeffrey, thanks for your report, can you be a little more verbose here > and elaborate as to what you mean by this? Do you mean that you stop > hostapd or that it hostapd is still running and that somehow you > notice it stops sending data between its associated STAs? Yes, hostapd was still running, however stations were unable to pass traffic. Actually the AP also stopped sending beacons I think, because the AP no longer appeared in scans. Restarting hostapd had no effect. I rebooted the machine. > >> and these were >> seen in dmesg.  I am using compat-wireless 2009-11-06. >> >> also at pastebin: http://pastebin.com/m527862e9 >> >> [505869.263259] ------------[ cut here ]-----------             - >> [505869.269520] WARNING: at >> /root/compat-wireless-2009-11-06/net/mac80211/rx.c:2486 > > This would be from: > >        /* >         * The same happens when we're not even started, >         * but that's worth a warning. >         */ >        if (WARN_ON(!local->started)) >                goto drop > > So somehow the RX tasklet kicked in and ath9k RX engine was still running.