From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754122AbZBIHxU (ORCPT ); Mon, 9 Feb 2009 02:53:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751055AbZBIHxL (ORCPT ); Mon, 9 Feb 2009 02:53:11 -0500 Received: from bombadil.infradead.org ([18.85.46.34]:47635 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750996AbZBIHxK (ORCPT ); Mon, 9 Feb 2009 02:53:10 -0500 Date: Mon, 9 Feb 2009 02:53:08 -0500 From: Christoph Hellwig To: Alessandro Bono Cc: Christoph Hellwig , linux-xfs , linux-kernel Subject: Re: XFS kernel BUG at fs/buffer.c:470! with 2.6.28.4 Message-ID: <20090209075308.GA7360@infradead.org> References: <1234011974.7435.11.camel@champagne.cantina> <20090208222859.GA2532@infradead.org> <1234132752.12370.0.camel@champagne.cantina> <20090208224249.GA11931@infradead.org> <1234133120.12370.7.camel@champagne.cantina> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1234133120.12370.7.camel@champagne.cantina> User-Agent: Mutt/1.5.18 (2008-05-17) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Feb 08, 2009 at 11:45:20PM +0100, Alessandro Bono wrote: > sure, attached That would be a missing PagePrivate bit in page_buffers() called from end_buffer_async_write. PG_private can only be cleared via drop_buffers which requires the page not having PG_writeback set which must be set until end_buffer_async_write is done. Very strange, and all this is generic code without xfs involvement. Did this happen once or can you reproduce it?