Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 14 Oct 2002 17:51:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 14 Oct 2002 17:51:38 -0400 Received: from ns0.cobite.com ([208.222.80.10]:44295 "EHLO ns0.cobite.com") by vger.kernel.org with ESMTP id ; Mon, 14 Oct 2002 17:51:37 -0400 Date: Mon, 14 Oct 2002 17:57:27 -0400 (EDT) From: David Mansfield X-X-Sender: david@admin To: Andrew Morton cc: linux-kernel@vger.kernel.org Subject: Re: [BUG] raw over raid5: BUG at drivers/block/ll_rw_blk.c:1967 In-Reply-To: <3DAB2DD9.B78639C5@digeo.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1598 Lines: 48 On Mon, 14 Oct 2002, Andrew Morton wrote: > David Mansfield wrote: > > > > Hi everyone, > > > > I haven't been able to run raw over raid5 since 2.5.30 or so, but every > > time I'm about to report it, a new kernel comes out and the problem > > changes completely :-( Now I'm finally going to start getting out the info > > it the hopes someone can fix it. The oops was triggered by attempting to > > read from /dev/raw/raw1 (bound to /dev/md0) using dd. System info > > follows oops: > > > > ------------[ cut here ]------------ > > kernel BUG at drivers/block/ll_rw_blk.c:1967! > > I don't think you told us the kernel version? Arrgh. It was 2.5.42 vanilla. > There have been recent fixes wrt sizing of the BIOs which the > direct-io layer sends down. So please make sure that you're > testing Linus's current -bk, or 2.5.42 plus > > http://www.zip.com.au/~akpm/linux/patches/2.5/2.5.42/2.5.42-mm2/broken-out/dio-bio-add-fix-1.patch I've applied this patch and retested. I was able to run dd once this time, hit ctrl-c, all ok. But I hit up-arrow and re-did it and it gave the same oops. I'm going to try with the full (latest) mm patch. > Either that, or raid5 is bust ;) > I guess so. David -- /==============================\ | David Mansfield | | lkml@dm.cobite.com | \==============================/ - 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/