From mboxrd@z Thu Jan 1 00:00:00 1970 From: jehan procaccia Subject: ext4 and quota generate "Data will be lost" errors :-( Date: Thu, 17 Sep 2009 15:49:52 +0200 Message-ID: <4AB23E80.9070805@it-sudparis.eu> Reply-To: jehan.procaccia@it-sudparis.eu Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: linux-ext4@vger.kernel.org Return-path: Received: from smtp4.int-evry.fr ([157.159.10.71]:39061 "EHLO smtp4.int-evry.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750937AbZIQOXx (ORCPT ); Thu, 17 Sep 2009 10:23:53 -0400 Received: from smtp2.int-evry.fr (smtp2.int-evry.fr [157.159.10.45]) by smtp4.int-evry.fr (Postfix) with ESMTP id DF9F4FE2E82 for ; Thu, 17 Sep 2009 15:49:58 +0200 (CEST) Received: from smtp-ext.int-evry.fr (smtp-ext.int-evry.fr [157.159.11.17]) by smtp2.int-evry.fr (Postfix) with ESMTP id 9B271405019 for ; Thu, 17 Sep 2009 15:49:54 +0200 (CEST) Received: from [157.159.50.197] (PAT7414.micro.int-evry.fr [157.159.50.197]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp-ext.int-evry.fr (Postfix) with ESMTP id 5E2D890011 for ; Thu, 17 Sep 2009 15:49:54 +0200 (CEST) Sender: linux-ext4-owner@vger.kernel.org List-ID: Since I run a ext4 FS with quota on my Redhat 5.4 , I often get these kind of messages on the console: Message from syslogd@ at Thu Sep 17 15:40:11 2009 ... gizeh kernel: mpage_da_map_blocks block allocation failed for inode 3412191 at logical offset 0 with max blocks 1 with error -122 Message from syslogd@ at Thu Sep 17 15:40:11 2009 ... gizeh kernel: This should not happen.!! Data will be lost my system is runing on: $ uname -a Linux gizeh.int-evry.fr 2.6.18-164.el5 #1 SMP Tue Aug 18 15:51:48 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux $ rpm -q quota quota-3.16-7 I upgraded redhat quota package from recompile fedora10 sources because of this changelog: * Thu Oct 30 2008 Ondrej Vasik > 1:3.16-6 - fix implementation of ext4 support I have a discussion with redhat on this: https://bugzilla.redhat.com/show_bug.cgi?id=522615 the reponse is to move back to ext3 until redhat support quota for ext4 . my probleme is that I have lot of users and filesystems in this situation now, and I wonder I couldn't expect a workaround ? is this issue know in recent kernel, will I really lose data ? any advice greatly appreciated . regards