From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 16 Feb 2003 04:44:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 16 Feb 2003 04:44:57 -0500 Received: from ns.virtualhost.dk ([195.184.98.160]:13756 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id ; Sun, 16 Feb 2003 04:44:51 -0500 Date: Sun, 16 Feb 2003 10:54:16 +0100 From: Jens Axboe To: "Martin J. Bligh" Cc: linux-kernel Subject: Re: [Bug 365] New: Raid-0 causes kernel BUG at drivers/block/ll_rw_blk.c:1996 Message-ID: <20030216095416.GT26738@suse.de> References: <5630000.1045364322@[10.10.2.4]> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5630000.1045364322@[10.10.2.4]> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Feb 15 2003, Martin J. Bligh wrote: > > http://bugme.osdl.org/show_bug.cgi?id=365 > > Summary: Raid-0 causes kernel BUG at > drivers/block/ll_rw_blk.c:1996 > Kernel Version: 2.5.61 > Status: NEW > Severity: blocking > Owner: bugme-janitors@lists.osdl.org > Submitter: harisri@bigpond.com > > > Distribution: RH 8.0 > Hardware Environment: Athlon, AMD 761 (AMD North Bridge, VIA South bridge), > IDE Hard drives > Software Environment: Gnu C 3.2, Linux C Library 2.2.93, > raidtools-1.00.2-3.3 Problem Description: 2.5.61 oops while trying to > activate raid-0 volumes. Please refer the thread > http://marc.theaimsgroup.com/?l=linux-kernel&m=103830814911111&w=2 for more > information from Neil Brown, Jens Axboe and Andrew Morton. > > Steps to reproduce: Try to enable raid-0 volumes under 2.5.49 to 2.5.61 Known bug, raid0 doesn't accept a full PAGE_CACHE_SIZE page at any offset, and the api relies on that. Fix is probably to add the sub-page split stuff. -- Jens Axboe