From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mms2.broadcom.com ([216.31.210.18]:2511 "EHLO mms2.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758443Ab3HMNm2 (ORCPT ); Tue, 13 Aug 2013 09:42:28 -0400 Message-ID: <520A3784.2060108@broadcom.com> (sfid-20130813_154247_471787_DBAE007A) Date: Tue, 13 Aug 2013 15:41:24 +0200 From: "Arend van Spriel" MIME-Version: 1.0 To: "Daniel Wagner" cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: brcsmac kernel panic References: <5207BA00.3030709@monom.org> <5208BB2D.2000705@broadcom.com> <52094156.7010905@monom.org> In-Reply-To: <52094156.7010905@monom.org> Content-Type: text/plain; charset=iso-8859-1; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 08/12/2013 10:11 PM, Daniel Wagner wrote: > Hi Arend, > > On 08/12/2013 12:38 PM, Arend van Spriel wrote: >> On 08/11/2013 06:21 PM, Daniel Wagner wrote: >>> I just updated my laptop (MacBook Air 2012) from 3.11-rc3+ to 3.11-rc4+ >>> and since then brcsmac crashes short after enabling it. Unfortunately, I >>> did also change some config flags in the area of cpufreq (enabling >>> p-state driver) so the configuration is not exactly the same. Before I >>> try to figure out what I have changed, I am posting the picture of the >>> crash. Maybe it is something obvious. >>> >>> v3.11-rc4-197-gd92581f >>> http://www.monom.org/misc/brcmsmac/v3.11-rc4.config >>> http://www.monom.org/misc/brcmsmac/IMAG0064.jpg >> >> Thanks, Daniel >> >> I was looking at this issue two weeks ago and just got back from my >> vacation. Can you apply the patch and send me a kernel log? > > Sure, the patch does the trick, the panic is gone. Unfortunately, it results in a lot of error print and phy tx errors that has been reported by others. I think the two are related, but I have not root caused it yet. Your laptop may be usable now, but wireless performance is probably bad. Too bad I can not reproduce the issue over here. Are you willing to test some patches when I got a better grasp on the issue? Regards, Arend >> Sharing pictures, huh. What about this one :-p > > No no, that isn't me, that is someone else! :P > > cheers, > daniel > >