From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 32182] EXT4-fs error: bad header/extent Date: Mon, 6 Jun 2011 19:59:06 GMT Message-ID: <201106061959.p56Jx6Q0012255@demeter2.kernel.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE To: linux-ext4@vger.kernel.org Return-path: Received: from demeter2.kernel.org ([140.211.167.42]:49460 "EHLO demeter2.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753289Ab1FFT7H convert rfc822-to-8bit (ORCPT ); Mon, 6 Jun 2011 15:59:07 -0400 Received: from demeter2.kernel.org (localhost.localdomain [127.0.0.1]) by demeter2.kernel.org (8.14.4/8.14.3) with ESMTP id p56Jx6S5012256 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 6 Jun 2011 19:59:06 GMT In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: https://bugzilla.kernel.org/show_bug.cgi?id=3D32182 Honore Doktorr changed: What |Removed |Added -----------------------------------------------------------------------= ----- CC| |hdfssk@gmail.com --- Comment #7 from Honore Doktorr 2011-06-06 19:59= :05 --- I hit this problem with 2.6.35.13 after a power outage. The affected in= ode was empty & had no extents - these commands just returned nothing (was usin= g "debugfs 1.41.14 (22-Dec-2010)"): # debugfs -R 'cat <122877>' /dev/mapper/Fedora-FedoraSystem debugfs 1.41.14 (22-Dec-2010) # debugfs -R 'dump_extents <122877>' /dev/mapper/Fedora-FedoraSystem debugfs 1.41.14 (22-Dec-2010) The file using this inode wouldn't respond to shell commands: # find -inum 122877 /usr/libexec/gdm-simple-slave # stat gdm-simple-slave stat: cannot stat `gdm-simple-slave': Input/output error # rm gdm-simple-slave=20 rm: cannot remove `gdm-simple-slave': Input/output error Multiple fsck.ext4 runs didn't fix things. I eventually made the offend= ing file go away - I've no idea if this procedure is safe, or a good idea! - wit= h these commands. # debugfs -R 'testi <122877>' /dev/mapper/Fedora-FedoraSystem debugfs 1= =2E41.14 (22-Dec-2010) Inode 122877 is marked in use # debugfs -w -R 'kill_file <122877>' /dev/mapper/Fedora-FedoraSystem debugfs 1.41.14 (22-Dec-2010) # debugfs -R 'testi <122877>' /dev/mapper/Fedora-FedoraSystem=20 debugfs 1.41.14 (22-Dec-2010) Inode 122877 is not in use # ls /usr/libexec/gdm-simple-slave ls: cannot access /usr/libexec/gdm-simple-slave: Input/output error # debugfs -w -R 'rm /usr/libexec/gdm-simple-slave' /dev/mapper/Fedora-FedoraSystem=20 debugfs 1.41.14 (22-Dec-2010) # ls /usr/libexec/gdm-simple-slave ls: cannot access /usr/libexec/gdm-simple-slave: No such file or direct= ory =E2=80=A2 ls gdm* ls: cannot access gdm*: No such file or directory --=20 Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=3Demai= l ------- You are receiving this mail because: ------- You are watching the assignee of the bug.-- To unsubscribe from this list: send the line "unsubscribe linux-ext4" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html