From: Bernd Schubert Subject: Re: mballoc errors Date: Thu, 27 Mar 2008 00:23:54 +0100 Message-ID: <20080326232354.GA19839@lanczos.q-leap.de> References: <47EAC302.5040109@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: ext4 development To: Eric Sandeen Return-path: Received: from ns1.q-leap.de ([153.94.51.193]:60149 "EHLO mail.q-leap.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753964AbYCZXX4 (ORCPT ); Wed, 26 Mar 2008 19:23:56 -0400 Content-Disposition: inline In-Reply-To: <47EAC302.5040109@redhat.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Wed, Mar 26, 2008 at 04:41:22PM -0500, Eric Sandeen wrote: > This report just came in on the fedora list... > > EXT4-fs error (device dm-0): ext4_mb_generate_buddy: EXT4-fs: group 717: > 23410 blocks in bitmap, 23411 in gd > > EXT4-fs error (device dm-0): ext4_mb_generate_buddy: EXT4-fs: group 721: > 19309 blocks in bitmap, 19333 in gd > > has anyone else seen this problem in testing? I guess it means > freespace accounting got out of sync...? We have seen this on ldiskfs, one time a hardware raid was writing data garbage and one time it was after a Lustre upgrade from 1.4 to 1.6 with a filesystem that probably already had errors before the upgrade. So maybe this message is a good indicator for generic problems? Cheers, Bernd