From: Christoph Anton Mitterer Subject: errors in =?UTF-8?Q?ext=34=5Fmb=5Fgenerate=5Fbuddy=20and=20ext=34=5Fremou?= =?UTF-8?Q?nt?= Date: Sun, 08 May 2011 00:56:19 +0000 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit To: Return-path: Received: from mailgw02.dd24.net ([193.46.215.43]:35517 "EHLO mailgw02.dd24.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752669Ab1EHA4t (ORCPT ); Sat, 7 May 2011 20:56:49 -0400 Received: from localhost (amavis01.dd24.net [192.168.1.111]) by mailgw02.dd24.net (Postfix) with ESMTP id E67C0354231 for ; Sun, 8 May 2011 00:56:47 +0000 (GMT) Received: from mailgw02.dd24.net ([192.168.1.197]) by localhost (amavis01.dd24.net [192.168.1.105]) (amavisd-new, port 10197) with ESMTP id HDvVj2GsnTrH for ; Sun, 8 May 2011 00:56:43 +0000 (GMT) Received: from webmail.dd24.net (webmail01.dd24.net [193.46.215.65]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mailgw02.dd24.net (Postfix) with ESMTPSA id D983D35422C for ; Sun, 8 May 2011 00:56:43 +0000 (GMT) Sender: linux-ext4-owner@vger.kernel.org List-ID: Hi. I've had several crashes recently, which lead to things like these: May 6 00:23:53 heisenberg kernel: [ 31.941036] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016253 May 6 00:23:53 heisenberg kernel: [ 31.941049] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016250 May 6 00:23:53 heisenberg kernel: [ 31.941073] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016249 May 6 00:23:53 heisenberg kernel: [ 31.941106] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016248 May 6 00:23:53 heisenberg kernel: [ 31.941120] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016247 May 6 00:23:53 heisenberg kernel: [ 31.941135] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016240 May 6 00:23:53 heisenberg kernel: [ 31.941158] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016239 May 6 00:23:53 heisenberg kernel: [ 31.941168] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016238 May 6 00:23:53 heisenberg kernel: [ 31.941174] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016237 May 6 00:23:53 heisenberg kernel: [ 31.941180] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016236 May 6 00:23:53 heisenberg kernel: [ 31.941190] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016235 May 6 00:23:53 heisenberg kernel: [ 31.941200] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016234 May 6 00:23:53 heisenberg kernel: [ 31.941212] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016233 May 6 00:23:53 heisenberg kernel: [ 31.941217] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016232 May 6 00:23:53 heisenberg kernel: [ 31.941228] EXT4-fs (dm-2): ext4_orphan_cleanup: deleting unreferenced inode 2016231 ... and some (at least to me) worrying questions during fsck. However, I constantly get these errors: [ 331.744025] EXT4-fs (dm-2): error count: 10 [ 331.744030] EXT4-fs (dm-2): initial error at 1304673122: ext4_mb_generate_buddy:731 [ 331.744034] EXT4-fs (dm-2): last error at 1304673124: ext4_remount:4250 ... (probably) when reading some files. I guess it's reading files, at least it happens during a debsums run (checks the package sums of more or less all Debian packages installed). Also the numbers in the errors above, are (at least until know, and as far as I looked after it) the same. It also happens (as far as I can see) only once, i.e. if the error has already occurred, and I do e.g. my debsums again, it's not printed again. fsck runs through fine (but quite quick; yes - of course - I've used -f) Any ideas? (Please CC me as I'm off list). Cheers, Chris. btw: This (occuring in the host's kernel log and not the VM's) [ 325.655192] EXT4-fs (dm-2): Unaligned AIO/DIO on inode 1060986 by VirtualBox; performance will be poor. means that the blocks of the the guest are not aligned to the blocks of the host, right? But why is it only printed once?