From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753044Ab3DRSH5 (ORCPT ); Thu, 18 Apr 2013 14:07:57 -0400 Received: from mail-pa0-f44.google.com ([209.85.220.44]:47374 "EHLO mail-pa0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751252Ab3DRSH4 (ORCPT ); Thu, 18 Apr 2013 14:07:56 -0400 Date: Thu, 18 Apr 2013 11:07:52 -0700 From: Tejun Heo To: Jens Axboe Cc: Linus Torvalds , Wanlong Gao , Steven Rostedt , Namhyung Kim , Alasdair G Kergon , "dm-devel@redhat.com" , Neil Brown , LKML Subject: Re: [BUG REPORT] Kernel panic on 3.9.0-rc7-4-gbb33db7 Message-ID: <20130418180752.GD9897@mtj.dyndns.org> References: <516E5EF8.9090507@cn.fujitsu.com> <1366209997.8817.12.camel@pippen.local.home> <20130418123738.GV4816@kernel.dk> <516FED09.1040008@cn.fujitsu.com> <20130418133546.GX4816@kernel.dk> <516FFFAC.8040103@cn.fujitsu.com> <20130418143014.GZ4816@kernel.dk> <20130418172732.GB9897@mtj.dyndns.org> <20130418173811.GF4816@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130418173811.GF4816@kernel.dk> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 18, 2013 at 10:39:00AM -0700, Jens Axboe wrote: > > If I'm not mistaken, it seems like we have a bio which has 1 as its > > ->bi_bdev. Ummm.... no idea whatsoever how that can happen tho right > > now. Looking into it. > > Yep, thanks Linus for that hint... Must be someone abusing it for a > flag field post submission? Crazy. Let's hope that's not the case because there'll be blood if it is. :) -- tejun