From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Snitzer Subject: Re: Kernel bug triggered in multipath Date: Fri, 14 Mar 2014 12:26:15 -0400 Message-ID: <20140314162615.GC14188@redhat.com> References: <1394795632-86434-1-git-send-email-hare@suse.de> <20140314111520.GA17288@infradead.org> <20140314162111.GB14188@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mx1.redhat.com ([209.132.183.28]:27463 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755801AbaCNQ0n (ORCPT ); Fri, 14 Mar 2014 12:26:43 -0400 Content-Disposition: inline In-Reply-To: <20140314162111.GB14188@redhat.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Christoph Hellwig Cc: Hannes Reinecke , James Bottomley , linux-scsi@vger.kernel.org, dm-devel@redhat.com On Fri, Mar 14 2014 at 12:21pm -0400, Mike Snitzer wrote: > I have no problem with this patch, added safety-net and all, but > bottomline: if scsi_dh interfaces were being called against a DM > multipath request_queue that is a bug. Sorry, s/DM multipath request_queue/non-SCSI requeue_queue/ > In practice that never happens > in supported configurations. AFAICT, Hannes just stumbled upon it cause > he was trying to get cciss working with dm-multipath. > > Acked-by: Mike Snitzer