From: "Aneesh Kumar K.V" Subject: Re: [Bug 13369] kernel BUG at fs/ext4/inode.c:3123 Date: Sun, 24 May 2009 23:58:12 +0530 Message-ID: <20090524182812.GB3001@skywalker> References: <200905240252.n4O2qmEu012024@demeter.kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-ext4@vger.kernel.org To: bugzilla-daemon@bugzilla.kernel.org Return-path: Received: from e23smtp04.au.ibm.com ([202.81.31.146]:49124 "EHLO e23smtp04.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753893AbZEXS2T (ORCPT ); Sun, 24 May 2009 14:28:19 -0400 Received: from d23relay01.au.ibm.com (d23relay01.au.ibm.com [202.81.31.243]) by e23smtp04.au.ibm.com (8.13.1/8.13.1) with ESMTP id n4OIQ3D6015621 for ; Mon, 25 May 2009 04:26:03 +1000 Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.235.139]) by d23relay01.au.ibm.com (8.13.8/8.13.8/NCO v9.2) with ESMTP id n4OISJft344170 for ; Mon, 25 May 2009 04:28:20 +1000 Received: from d23av04.au.ibm.com (loopback [127.0.0.1]) by d23av04.au.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n4OISJ8g000321 for ; Mon, 25 May 2009 04:28:19 +1000 Content-Disposition: inline In-Reply-To: <200905240252.n4O2qmEu012024@demeter.kernel.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Sun, May 24, 2009 at 02:52:48AM +0000, bugzilla-daemon@bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=13369 > > > Theodore Tso changed: > > What |Removed |Added > ---------------------------------------------------------------------------- > CC| |tytso@mit.edu > > > > > --- Comment #5 from Theodore Tso 2009-05-24 02:52:48 --- > So I'm glad you're using a filesystem with a 1k blocksize since it provides a > good test case for us --- and we don't do enough testing for the case where the > blocksize != pagesize. But you do realize that the ext4 filesystem will be > far more efficient with the larger 4k blocksize, right? > > I'm not able to reproduce the problem on a filesystem with 1k blocksize running > fsx, fsstress, and dbench using a 2.6.30-rc6 kernel with the full ext4 patch > queue, using a netbook with an dual-core N270 Atom processor. I'm retrying > with a stock 2.6.30-rc6 kernel now... > It is with nodelalloc. I am also finding some unmapped buffer_heads in nodelalloc mode with data=journal. See the latest update for bug http://bugzilla.kernel.org/show_bug.cgi?id=12624 -aneesh