From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66B55C43387 for ; Mon, 17 Dec 2018 19:00:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3877F21473 for ; Mon, 17 Dec 2018 19:00:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733250AbeLQTAX (ORCPT ); Mon, 17 Dec 2018 14:00:23 -0500 Received: from mail-out.m-online.net ([212.18.0.10]:48567 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733081AbeLQTAW (ORCPT ); Mon, 17 Dec 2018 14:00:22 -0500 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 43JVpT3fNkz1qvnJ; Mon, 17 Dec 2018 20:00:17 +0100 (CET) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 43JVpT2wwkz1qvRN; Mon, 17 Dec 2018 20:00:17 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id Fc0v8rlC45is; Mon, 17 Dec 2018 20:00:16 +0100 (CET) X-Auth-Info: aLu8ik21eflqx9ZYHb0wQdjkY4USQpcgGkVpDG5bvytyacjyQExsUOW+4toqHumR Received: from igel.home (ppp-188-174-154-208.dynamic.mnet-online.de [188.174.154.208]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Mon, 17 Dec 2018 20:00:16 +0100 (CET) Received: by igel.home (Postfix, from userid 1000) id 285592C171A; Mon, 17 Dec 2018 20:00:16 +0100 (CET) From: Andreas Schwab To: Geert Uytterhoeven Cc: rppt@linux.ibm.com, Michael Schmitz , Sam Creasey , Greg Ungerer , linux-m68k , Linux Kernel Mailing List Subject: Re: [PATCH v3] m68k: Fix memblock-related crashes References: <20181207165011.31497-1-geert@linux-m68k.org> <87o99pmib8.fsf@igel.home> X-Yow: Look!! Karl Malden! Date: Mon, 17 Dec 2018 20:00:16 +0100 In-Reply-To: <87o99pmib8.fsf@igel.home> (Andreas Schwab's message of "Thu, 13 Dec 2018 18:45:47 +0100") Message-ID: <87a7l4rnb3.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.90 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Dez 13 2018, Andreas Schwab wrote: > I'm now getting this Oops: > > [ 65.390000] Unable to handle kernel NULL pointer dereference at virtual address (ptrval) > [ 65.390000] Oops: 00000000 > [ 65.390000] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat virtio_rng virtio_blk virtio_ring virtio xfs btrfs xor zlib_deflate raid6_pq libcrc32c reiserfs squashfs fuse dm_snapshot dm_bufio dm_mod binfmt_misc loop sg > [ 65.390000] PC: [<00211544>] blk_throtl_bio+0x10e/0x592 And the crash does not occur when I revert commit 1008a11590. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."