From: Theodore Tso Subject: Re: Some 64-bit tests Date: Wed, 10 Jun 2009 14:13:20 -0400 Message-ID: <20090610181320.GA6953@mit.edu> References: <18887.1244469441@gamaville.dokosmarshall.org> <20090608201037.GB23723@skywalker> <14597.1244517228@gamaville.dokosmarshall.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "Aneesh Kumar K.V" , Valerie Aurora , linux-ext4@vger.kernel.org To: Nick Dokos Return-path: Received: from thunk.org ([69.25.196.29]:54760 "EHLO thunker.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759465AbZFJVLd (ORCPT ); Wed, 10 Jun 2009 17:11:33 -0400 Content-Disposition: inline In-Reply-To: <14597.1244517228@gamaville.dokosmarshall.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Mon, Jun 08, 2009 at 11:13:48PM -0400, Nick Dokos wrote: > > I tried this on top of 2.6.30-rc8 and I hit a couple of BUGs, one in pdflush > and the other in the Lustre teest program (liverfs): > > Jun 8 22:49:13 shifter kernel: ------------[ cut here ]------------ > Jun 8 22:49:13 shifter kernel: kernel BUG at fs/ext4/mballoc.c:3245! > Jun 8 22:49:13 shifter kernel: invalid opcode: 0000 [#1] SMP Hmmm, that would be the BUG_ON check: BUG_ON(size <= 0 || size > EXT4_BLOCKS_PER_GROUP(ac->ac_sb)); - Ted