Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751523AbaGAF6A (ORCPT ); Tue, 1 Jul 2014 01:58:00 -0400 Received: from cantor2.suse.de ([195.135.220.15]:55362 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751006AbaGAF57 (ORCPT ); Tue, 1 Jul 2014 01:57:59 -0400 Message-ID: <53B24DE3.9050108@suse.de> Date: Tue, 01 Jul 2014 07:57:55 +0200 From: Hannes Reinecke User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Paul Mackerras CC: dm-devel@redhat.com, linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, Vladimir Davydov , Linus Torvalds , Andrew Morton , Kay Sievers Subject: Re: Regression in 3.15 on POWER8 with multipath SCSI References: <20140630103058.GA17747@iris.ozlabs.ibm.com> <53B1416D.8020305@suse.de> <20140630110202.GB17747@iris.ozlabs.ibm.com> <53B14B78.4010500@suse.de> <20140630212801.GB20819@iris.ozlabs.ibm.com> In-Reply-To: <20140630212801.GB20819@iris.ozlabs.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/30/2014 11:28 PM, Paul Mackerras wrote: > On Mon, Jun 30, 2014 at 01:35:20PM +0200, Hannes Reinecke wrote: >> On 06/30/2014 01:02 PM, Paul Mackerras wrote: [ .. ] >>> >>> No, I'm not using LVM, and in fact I deleted all the physical volumes >>> that were on any of the disks (they were installations of other >>> distros), so there are no physical or logical volumes anywhere on any >>> disk. I haven't tried disabling the LVM service completely, though. >>> What would it mean if disabling the LVM service made a difference? >>> >> Yes. LVM integration with systemd is a science unto itself. >> I'm reasonably confident with multipath, but not LVM. >> Plus the fact the the LVM service apparently is waiting for something sort >> of points into that direction. >> >> So please do disable the lvm service. > > I disabled the LVM service, and it's still bad. Unmodified 3.15 > booted successfully in only 18 out of 50 attempts with LVM disabled. > > So it's not LVM. In any case LVM was fine with a 3.14 kernel. > Right, that was just a cross-check to eliminate any variables. I'll be checking here at my end. Cheers, Hannes -- Dr. Hannes Reinecke zSeries & Storage hare@suse.de +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N?rnberg GF: J. Hawn, J. Guild, F. Imend?rffer, HRB 16746 (AG N?rnberg) -- 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/