From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f181.google.com (mail-io0-f181.google.com [209.85.223.181]) by kanga.kvack.org (Postfix) with ESMTP id E5A516B0254 for ; Sun, 9 Aug 2015 21:30:15 -0400 (EDT) Received: by ioii16 with SMTP id i16so156050432ioi.0 for ; Sun, 09 Aug 2015 18:30:15 -0700 (PDT) Received: from resqmta-ch2-02v.sys.comcast.net (resqmta-ch2-02v.sys.comcast.net. [2001:558:fe21:29:69:252:207:34]) by mx.google.com with ESMTPS id t13si4612858igr.93.2015.08.09.18.30.14 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Sun, 09 Aug 2015 18:30:15 -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> <55C75A46.6030308@redhat.com> From: Ron Murray Message-ID: <55C7FE9D.9010707@rjmx.net> Date: Sun, 9 Aug 2015 21:30:05 -0400 MIME-Version: 1.0 In-Reply-To: <55C75A46.6030308@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Laura Abbott , Christoph Lameter Cc: Peter Zijlstra , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , linux-mm@kvack.org, Ingo Molnar On 08/09/2015 09:48 AM, Laura Abbott wrote: > 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 That patch does seem to have fixed the problem (at least, I don't now get a crash on shutdown). Thanks, .....Ron -- Ron Murray PGP Fingerprint: 0ED0 C1D1 615C FCCE 7424 9B27 31D8 AED5 AF6D 0D4A -- 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