Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750822AbWIARSP (ORCPT ); Fri, 1 Sep 2006 13:18:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750946AbWIARSP (ORCPT ); Fri, 1 Sep 2006 13:18:15 -0400 Received: from smtp.osdl.org ([65.172.181.4]:33414 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1750934AbWIARSN (ORCPT ); Fri, 1 Sep 2006 13:18:13 -0400 Date: Fri, 1 Sep 2006 10:18:01 -0700 From: Andrew Morton To: Badari Pulavarty Cc: Anton Altaparmakov , sct@redhat.com, linux-fsdevel , lkml , ext4 Subject: Re: [RFC][PATCH] set_page_buffer_dirty should skip unmapped buffers Message-Id: <20060901101801.7845bca2.akpm@osdl.org> In-Reply-To: <1157128342.30578.14.camel@dyn9047017100.beaverton.ibm.com> References: <1157125829.30578.6.camel@dyn9047017100.beaverton.ibm.com> <1157128342.30578.14.camel@dyn9047017100.beaverton.ibm.com> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 764 Lines: 20 On Fri, 01 Sep 2006 09:32:22 -0700 Badari Pulavarty wrote: > > > Kernel BUG at fs/buffer.c:2791 > > > invalid opcode: 0000 [1] SMP > > > > > > Its complaining about BUG_ON(!buffer_mapped(bh)). I need to have a little think about this, remember what _should_ be happening in this situation. We (mainly I) used to do a huge amount of fsx-linux testing on 1k blocksize filesystems. We've done something to make this start happening. Part of resolving this bug will be working out what that was. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/