Return-path: Received: from plane.gmane.org ([80.91.229.3]:51195 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753571Ab3HPRLq (ORCPT ); Fri, 16 Aug 2013 13:11:46 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1VANYv-0000Gs-8s for linux-wireless@vger.kernel.org; Fri, 16 Aug 2013 19:11:45 +0200 Received: from host138.53.237.84.nsu.ru ([host138.53.237.84.nsu.ru]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 16 Aug 2013 19:11:45 +0200 Received: from mezin.alexander by host138.53.237.84.nsu.ru with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 16 Aug 2013 19:11:45 +0200 To: linux-wireless@vger.kernel.org From: Alexander Mezin Subject: Re: Kernel Panic with Linux 3.10-6 Date: Fri, 16 Aug 2013 17:11:25 +0000 (UTC) Message-ID: (sfid-20130816_191150_859055_547CB150) References: <520C9FE5.6000203@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: Arend van Spriel writes: > > On 08/15/2013 03:28 AM, Pedram Navid wrote: > > With the latest 3.10-6 kernel I am receiving frequent and consistent > > kernel panics. Downgrading to 3.9.5 resolves the issue. > > Thanks, Pedram > > I have had a couple of other report about this particular panic and did > some investigation. It is a divide-by-zero causing the panic. I do have > a patch to avoid that, but the root cause is something else. Is 3.10.6 > you see this on the unmodified stable release? > > The attached patch avoids the panic, but you will probably have crappy > connectivity. > > Regards, > Arend > I've temporarily solved the problem by reverting patch "mac80211/minstrel_ht: fix cck rate sampling" [1]. After that - no error messages, no panic, connection works at normal speed. [1] https://git.kernel.org/cgit/linux/kernel/git/stable/linux- stable.git/commit/?id=ef47a5e4f1aaf1d0e2e6875e34b2c9595897bef6