From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762318AbXGPLSk (ORCPT ); Mon, 16 Jul 2007 07:18:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756287AbXGPLSd (ORCPT ); Mon, 16 Jul 2007 07:18:33 -0400 Received: from brick.kernel.dk ([80.160.20.94]:28808 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755318AbXGPLSc (ORCPT ); Mon, 16 Jul 2007 07:18:32 -0400 Date: Mon, 16 Jul 2007 13:17:49 +0200 From: Jens Axboe To: Flavio Curti Cc: Nick Piggin , Michal Piotrowski , Flavio Curti , linux-kernel@vger.kernel.org, promise_linux@promise.com Subject: Re: panics with 16port Promise Supertrack EX Controller Message-ID: <20070716111749.GE5195@kernel.dk> References: <20070708225246.GD16285@no-way.org> <6bffcb0e0707081620pf4afd46re9e74e18518b352a@mail.gmail.com> <46919688.1050005@yahoo.com.au> <20070715080209.GC21260@no-way.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070715080209.GC21260@no-way.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jul 15 2007, Flavio Curti wrote: > Hello > > On Mon, Jul 09, 2007 at 11:59:36AM +1000, Nick Piggin wrote: > > >Jul 8 00:19:13 dorade.cyberlink.ch EFLAGS: 00210046 > > >(2.6.22-rc7-dorade #1) > > >>The machine panics > > >>after some days of running fine, the machine inst heavy loaded. > > >>The Controller detects as stex device: > > >kernel BUG at block/as-iosched.c:1084! > > > > > >BUG_ON(RB_EMPTY_ROOT(&ad->sort_list[REQ_ASYNC])); > > Could be a bug in the driver that just happens to be caught by AS checks. > > If you could test another scheduler (boot with elevator=deadline or > > elevator=cfq), > > it might help give us an idea. > > Ok, I now switched to cfg, and the machine panicd again. Panic attached. > Any help is appreciated. It really looks like a stex bug - perhaps it's doing double completions of a request? -- Jens Axboe