From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754441Ab2LJLG2 (ORCPT ); Mon, 10 Dec 2012 06:06:28 -0500 Received: from mail-la0-f46.google.com ([209.85.215.46]:34948 "EHLO mail-la0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752540Ab2LJLG1 (ORCPT ); Mon, 10 Dec 2012 06:06:27 -0500 From: Lekensteyn To: M Z Cc: linux-kernel@vger.kernel.org Subject: Re: [3.7-rc8 regression] Buffer I/O error on device sda during boot (attempt to access beyond end of device) Date: Mon, 10 Dec 2012 12:06:08 +0100 Message-ID: <20226716.3fCgHS08dt@al> User-Agent: KMail/4.9.4 (Linux/3.7.0-1-custom; KDE/4.9.4; x86_64; ; ) In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Monday 10 December 2012 11:42:22 M Z wrote: > booting vanilla 3.7-rc8 kernel on Acer Aspire 1810TZ yields these > errors (I was using 3.6.9-1 and 3.5.5-1 from Debian experimental > before without these errors) > > [ 9.265058] attempt to access beyond end of device > [ 9.265389] Buffer I/O error on device sda1, logical block 121047812 > > > Any idea before I hit the bisect route? (should I worry about these errors? > ) This error immediately showed up when testing 3.7-rc8 and is discussed/patched already on https://lkml.org/lkml/2012/12/3/497. To cite from https://lkml.org/lkml/2012/12/3/510: > Anyway, to clarify: the printk's are harmless, since the IO past the > end of the device is just error'ed out, and always has been. Which is > why I was considering just removing them. Regards, Peter