Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753861AbdLDQVO (ORCPT ); Mon, 4 Dec 2017 11:21:14 -0500 Received: from verein.lst.de ([213.95.11.211]:48871 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753262AbdLDQVK (ORCPT ); Mon, 4 Dec 2017 11:21:10 -0500 Date: Mon, 4 Dec 2017 17:21:08 +0100 From: Christoph Hellwig To: Christian Borntraeger Cc: Christoph Hellwig , Jens Axboe , Bart Van Assche , "linux-block@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Thomas Gleixner Subject: Re: 4.14: WARNING: CPU: 4 PID: 2895 at block/blk-mq.c:1144 with virtio-blk (also 4.12 stable) Message-ID: <20171204162108.GA12482@lst.de> References: <20171123143453.GA29715@lst.de> <20171123182542.GA2680@lst.de> <899f1638-cca4-28e6-3225-51505a053d45@de.ibm.com> <20171123183232.GA2845@lst.de> <92ef1aae-90b5-f14f-390e-bfab97899431@de.ibm.com> <419d8565-9cbe-16ac-3d5d-5945098694bc@de.ibm.com> <20171127155409.GA6937@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 394 Lines: 7 On Wed, Nov 29, 2017 at 08:18:09PM +0100, Christian Borntraeger wrote: > Works fine under KVM with virtio-blk, but still hangs during boot in an LPAR. > FWIW, the system not only has scsi disks via fcp but also DASDs as a boot disk. > Seems that this is the place where the system stops. (see the sysrq-t output > at the bottom). Can you check which of the patches in the tree is the culprit?