From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qg0-f42.google.com (mail-qg0-f42.google.com [209.85.192.42]) by kanga.kvack.org (Postfix) with ESMTP id 73C716B0253 for ; Sun, 9 Aug 2015 09:48:58 -0400 (EDT) Received: by qgdd90 with SMTP id d90so2010874qgd.3 for ; Sun, 09 Aug 2015 06:48:58 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id 44si21468931qgj.54.2015.08.09.06.48.56 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 09 Aug 2015 06:48:57 -0700 (PDT) Subject: Re: PROBLEM: 4.1.4 -- Kernel Panic on shutdown References: <55C18D2E.4030009@rjmx.net> <20150805162436.GD25159@twins.programming.kicks-ass.net> <20150805163609.GE25159@twins.programming.kicks-ass.net> <55C2BC00.8020302@rjmx.net> <55C3F70E.2050202@rjmx.net> <55C4C6E8.5090501@redhat.com> <55C5645D.1080508@rjmx.net> From: Laura Abbott Message-ID: <55C75A46.6030308@redhat.com> Date: Sun, 9 Aug 2015 06:48:54 -0700 MIME-Version: 1.0 In-Reply-To: <55C5645D.1080508@rjmx.net> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Ron Murray , Christoph Lameter Cc: Peter Zijlstra , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , linux-mm@kvack.org, Ingo Molnar On 08/07/2015 07:07 PM, Ron Murray wrote: > On 08/07/2015 10:55 AM, Laura Abbott wrote: >> >> There was a similar report about a crash on reboot with 4.1.3[1] >> where that reporter linked it to a bluetooth mouse. Hopefully this >> isn't a red herring but it might be a similar report? >> >> Thanks, >> Laura >> >> [1]https://bugzilla.redhat.com/show_bug.cgi?id=1248741 >> > Thanks for the suggestion. I don't have a bluetooth mouse (although it > is wireless), but I do have a bluetooth keyboard. And -- surprise! -- I > don't get a crash when I leave the keyboard turned off. > > It seems to me that there are at least two possibilities here: > > 1. Something in the bluetooth stack causes some kind of memory corruption > > or > > 2. The corruption is caused by something else, and using bluetooth > shifts it into a memory range where it causes crashes (we already know > that it's very touchy). > > Do you know if the original poster in the Red Hat bug report solved the > problem, or did he just give up using bluetooth? > > Suggestions for further faultfinding appreciated. > > .....Ron > > There was a report of HID corruption, can you try the patch at https://git.kernel.org/cgit/linux/kernel/git/jikos/hid.git/commit/?id=0621809e37936e7c2b3eac9165cf2aad7f9189eb Thanks, Laura -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org