From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964973AbaKNC07 (ORCPT ); Thu, 13 Nov 2014 21:26:59 -0500 Received: from cdptpa-outbound-snat.email.rr.com ([107.14.166.230]:31764 "EHLO cdptpa-oedge-vip.email.rr.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S964876AbaKNC06 (ORCPT ); Thu, 13 Nov 2014 21:26:58 -0500 Date: Thu, 13 Nov 2014 21:26:46 -0500 From: Steven Rostedt To: Daniel Thompson Cc: Ingo Molnar , kgdb-bugreport@lists.sourceforge.net, linux-kernel@vger.kernel.org, Andrew Morton , patches@linaro.org, linaro-kernel@lists.linaro.org, John Stultz , Sumit Semwal , Jason Wessel Subject: Re: [PATCH RESEND 3.18-rc3 v2 1/2] trace: kdb: Fix kernel panic during ftdump Message-ID: <20141113212646.6d720886@gandalf.local.home> In-Reply-To: <1415277716-19419-2-git-send-email-daniel.thompson@linaro.org> References: <1411554781-16751-1-git-send-email-daniel.thompson@linaro.org> <1415277716-19419-1-git-send-email-daniel.thompson@linaro.org> <1415277716-19419-2-git-send-email-daniel.thompson@linaro.org> X-Mailer: Claws Mail 3.10.1 (GTK+ 2.24.25; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-RR-Connecting-IP: 107.14.168.130:25 X-Cloudmark-Score: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 6 Nov 2014 12:41:55 +0000 Daniel Thompson wrote: > Currently kdb's ftdump command unconditionally crashes due to a null > pointer de-reference whenever the command is run. This in turn causes > the kernel to panic. > > The abridged stacktrace (gathered with ARCH=arm) is: > --- cut here --- This is a nasty line. "git am " truncated the change log there thinking it was the end of the change log (that '---' did it). -- Steve > [] (panic) from [] (die+0x264/0x440) > [] (die) from [] > (__do_kernel_fault.part.11+0x74/0x84) > [] (__do_kernel_fault.part.11) from [] > (do_page_fault+0x1d0/0x3c4)