From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keith Busch <keith.busch@intel.com>
Subject: Re: [PATCH 1/2] Don't blacklist nvme
Date: Wed, 15 Feb 2017 12:24:02 -0500
Message-ID: <20170215172402.GA16197@localhost.localdomain>
References: <1487107154-24883-1-git-send-email-keith.busch@intel.com>
	<941dc20e-47ba-5b9d-5082-a87ff1530cb6@sandisk.com>
	<20170214230023.GA1148@localhost.localdomain>
	<20170215145721.GB4241@infradead.org>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <dm-devel-bounces@redhat.com>
Content-Disposition: inline
In-Reply-To: <20170215145721.GB4241@infradead.org>
List-Unsubscribe: <https://www.redhat.com/mailman/options/dm-devel>,
	<mailto:dm-devel-request@redhat.com?subject=unsubscribe>
List-Archive: <https://www.redhat.com/archives/dm-devel>
List-Post: <mailto:dm-devel@redhat.com>
List-Help: <mailto:dm-devel-request@redhat.com?subject=help>
List-Subscribe: <https://www.redhat.com/mailman/listinfo/dm-devel>,
	<mailto:dm-devel-request@redhat.com?subject=subscribe>
Sender: dm-devel-bounces@redhat.com
Errors-To: dm-devel-bounces@redhat.com
To: Christoph Hellwig <hch@infradead.org>
Cc: Bart Van Assche <bart.vanassche@sandisk.com>, dm-devel@redhat.com
List-Id: dm-devel.ids

On Wed, Feb 15, 2017 at 06:57:21AM -0800, Christoph Hellwig wrote:
> On Tue, Feb 14, 2017 at 06:00:23PM -0500, Keith Busch wrote:
> > Good point. I was unknowingly running with CONFIG_SCSI_DH disabled,
> > and blissfully unaware of its existence! After enabling that option,
> > I see what you mean.
> 
> Someone needs to fix that crash ASAP.  I though Hannes had patches for
> them a long time ago in the SuSE tree, but they never went anywhere.

Adding Hannes.

I can work around this by setting the parameters from multipath-tools
specific to NVMe, but that seems worng. Blindly calling scsi specific
directly from dm-mpath isn't a good idea.