Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750857AbWIAVBl (ORCPT ); Fri, 1 Sep 2006 17:01:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750849AbWIAVBl (ORCPT ); Fri, 1 Sep 2006 17:01:41 -0400 Received: from e6.ny.us.ibm.com ([32.97.182.146]:35981 "EHLO e6.ny.us.ibm.com") by vger.kernel.org with ESMTP id S1750834AbWIAVBj (ORCPT ); Fri, 1 Sep 2006 17:01:39 -0400 Message-ID: <44F89FAF.2050601@us.ibm.com> Date: Fri, 01 Sep 2006 14:01:35 -0700 From: Badari Pulavarty User-Agent: Thunderbird 1.5.0.5 (Windows/20060719) MIME-Version: 1.0 To: Andrew Morton CC: Anton Altaparmakov , sct@redhat.com, linux-fsdevel , lkml , ext4 Subject: Re: [RFC][PATCH] set_page_buffer_dirty should skip unmapped buffers References: <1157125829.30578.6.camel@dyn9047017100.beaverton.ibm.com> <1157128342.30578.14.camel@dyn9047017100.beaverton.ibm.com> <20060901101801.7845bca2.akpm@osdl.org> In-Reply-To: <20060901101801.7845bca2.akpm@osdl.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1163 Lines: 44 Andrew Morton wrote: > 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. > Here is the progress in tracking this down so far. I am able to reproduce the problem on following kernel versions. 2.6.18-rc5 2.6.18-rc4 2.6.17.11 2.6.16.28 2.6.15.7 2.6.14.7 I am yet to find a latest kernel version - where this works :( I am going to try older versions of the kernel. Thanks, Badari -- VGER BF report: H 3.60822e-15 - 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/