From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Subject: Re: Severe data corruption with ext4 Date: Sun, 22 Mar 2009 14:26:34 +0100 Message-ID: References: <20090320030121.1fa8e6d3.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit To: linux-ext4@vger.kernel.org Return-path: Received: from mail-ew0-f165.google.com ([209.85.219.165]:59488 "EHLO mail-ew0-f165.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751752AbZCVN0h (ORCPT ); Sun, 22 Mar 2009 09:26:37 -0400 Received: by ewy9 with SMTP id 9so1275920ewy.37 for ; Sun, 22 Mar 2009 06:26:34 -0700 (PDT) In-Reply-To: <20090320030121.1fa8e6d3.akpm@linux-foundation.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: Hello again, now on the same system (hardware configuration unchanged, except that I attached a DVD burner yesterday), I got dozens of errors like these: ---------- Mar 22 13:47:33 bakunin kernel: __find_get_block_slow() failed. block=197478301302784, b_blocknr=0 Mar 22 13:47:33 bakunin kernel: b_state=0x00188021, b_size=4096 Mar 22 13:47:33 bakunin kernel: device blocksize: 4096 Mar 22 13:47:33 bakunin kernel: __find_get_block_slow() failed. block=197478301302784, b_blocknr=0 Mar 22 13:47:33 bakunin kernel: b_state=0x00188021, b_size=4096 Mar 22 13:47:33 bakunin kernel: device blocksize: 4096 Mar 22 13:47:33 bakunin kernel: grow_buffers: requested out-of-range block 197478301302784 for device dm-14 Mar 22 13:47:33 bakunin kernel: EXT4-fs error (device dm-14): ext4_xattr_delete_inode: inode 1022: block 197478301302784 read error ---------- Please not that I had run an fsck on the mentioned device only a couple hours earlier, with no errors found. Now, does this indicate a hardware problem? My drives' SMART info reports not a single reallocated sector. But one drive has a high Hardware_ECC_Recovered count, but I got it that's nothing to actually worry about. Well, it might indicate bad cabling, though. Richard