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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 3094CC10F14 for ; Sun, 21 Apr 2019 13:28:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E8C5E20857 for ; Sun, 21 Apr 2019 13:28:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="JxLEvPz0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727179AbfDUN2l (ORCPT ); Sun, 21 Apr 2019 09:28:41 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:50096 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725963AbfDUN2k (ORCPT ); Sun, 21 Apr 2019 09:28:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Transfer-Encoding :Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=H++bpboLGE0ZGxThYGaXva5PLIQA/gSdMxbD0eTq8vo=; b=JxLEvPz0WG+qFqbojjeKlj43y0 9P3bBEVSec+aANadpH7wTNiohoi8pXw4f2LiJBPowb5f0v41cW2icEuCQR3sYLZPRwNGQzL4Fi3aN gbSm03b3OAnHP9EPZHHk3hm1954AOmRLr3J6RwY814l00BbsoUTm1s9eQ9uFz8LmVHcW0Eu4TEYUk 0z9dEEVTjgkkwWQT+piorXGD1b4nBBRTmh7rRtEIHd4OBo0GfpR2Wr1HHf43qlkc8EqUIfcYKZ5Cy U+308opOkHLWXpZMe6TJYJ7UX3HAXH7tw3PpU0FCgYb4U13KN/h/2/BpVNpeBBR0w+Nu/8WMIAFaH tUaXAw2A==; Received: from willy by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1hICWO-0003XL-6K; Sun, 21 Apr 2019 13:28:40 +0000 Date: Sun, 21 Apr 2019 06:28:40 -0700 From: Matthew Wilcox To: Qu Wenruo Cc: linux-arm-kernel@lists.infradead.org, Ext4 , Linux FS Devel Subject: Re: [aarch64] Kernel crash on v5.1-rc5, __arch_copy_from_user+0x1bc/0x240 Message-ID: <20190421132840.GK7751@bombadil.infradead.org> References: <58a2439c-f92a-4053-702e-5cc65d38fff5@gmx.com> <6a867ea5-c389-30b9-1c84-3be5682146b5@gmx.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <6a867ea5-c389-30b9-1c84-3be5682146b5@gmx.com> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Sun, Apr 21, 2019 at 05:12:50PM +0800, Qu Wenruo wrote: > > > On 2019/4/21 下午4:20, Qu Wenruo wrote: > > Hi, > > > > Just hit one crash on v5.1-rc5 kernel, on ext4 filesystem. > > Well, also hit the same one in v5.0.8 kernel. > > Exact the same backtrace. > > Really not sure which part is to blame, ARM or ext4? You probably have faulty hardware: https://community.arm.com/developer/ip-products/processors/f/cortex-a-forum/3205/re-what-is-serror-detailed-explanation-is-required