Return-path: Received: from mail-bk0-f44.google.com ([209.85.214.44]:62601 "EHLO mail-bk0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751381Ab3HTA0c (ORCPT ); Mon, 19 Aug 2013 20:26:32 -0400 Received: by mail-bk0-f44.google.com with SMTP id mz10so1640450bkb.17 for ; Mon, 19 Aug 2013 17:26:31 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20130820000336.GA15548@kroah.com> References: <20130820000336.GA15548@kroah.com> From: Tom Gundersen Date: Tue, 20 Aug 2013 08:26:11 +0800 Message-ID: (sfid-20130820_022636_074093_B99A450A) Subject: Re: [REGRESSION] 3.10.{6,7} crashes on network activity To: Greg Kroah-Hartman Cc: stable@kernel.org, Linux Wireless List , LKML , Felix Fietkau , Johannes Berg Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, Aug 20, 2013 at 8:03 AM, Greg Kroah-Hartman wrote: > On Tue, Aug 20, 2013 at 07:59:47AM +0800, Tom Gundersen wrote: >> Hi guys, >> >> Starting with 3.10.6 (and still present in .7) I get an oops on >> connecting to the network. >> >> The attached picture shows the oops. In case it does not reach the ML, >> the top of the call trace reads: >> >> brcms_c_compute_rtscts_dur >> brcms_c_ampdu_finalize >> ampdu_finalize >> dma_txfast >> brcms_c_txfifo >> brcms_c_sendpkt_mac80211 >> brcms_ops_tx >> __ieee80211_tx >> >> I bisected the problem and the first bad commit is >> >> commit ef47a5e4f1aaf1d0e2e6875e34b2c9595897bef6 >> Author: Felix Fietkau >> Date: Fri Jun 28 21:04:35 2013 +0200 >> >> mac80211/minstrel_ht: fix cck rate sampling >> >> commit 1cd158573951f737fbc878a35cb5eb47bf9af3d5 upstream. >> >> Reverting it on top of .7 fixes the problem. >> >> I had the same (I suppose) problem on mainline some time ago, but I >> have not bisected it, verified that the problem still occurs there, or >> checked if reverting the upstream patch fixes it. I'd be happy to do >> that if it would help though. >> >> Let me know if you need any more information. > > Do you have this same problem with 3.11-rc6 as well? Yes, I just confirmed. I also confirmed that reverting the mainline commit on top of -rc6 fixes the problem. Cheers, Tom