Return-Path: Received: from mx1.redhat.com ([209.132.183.28]:32826 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754013AbcHSOwM (ORCPT ); Fri, 19 Aug 2016 10:52:12 -0400 Date: Fri, 19 Aug 2016 10:51:43 -0400 From: "J. Bruce Fields" To: Chuck Lever Cc: "J. Bruce Fields" , Linux NFS Mailing List Subject: Re: WARN_ON added to rpc_create() Message-ID: <20160819145143.GB2956@parsley.fieldses.org> References: <42D0C152-58F9-4467-B86D-2A7A25544CE4@oracle.com> <20160803174724.GA5993@fieldses.org> <5E7D6A55-B7F3-411D-A74B-E8BCE04BCF02@oracle.com> <20F73E14-8CEC-4ED1-8A04-203343839860@oracle.com> <20160818215642.GB25052@fieldses.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-nfs-owner@vger.kernel.org List-ID: On Thu, Aug 18, 2016 at 05:59:12PM -0400, Chuck Lever wrote: > Thanks for checking. > > I've tracked the misbehavior down to a DMA mapping mismatch. It's > not related to the backchannel at all. I'm putting together a fix > right now. > > But I would like to use NFSv4.1/RDMA without that warning firing. > Any reason to keep it (in either place) ? I thought you said the BC_TCP->BC change fixed it? If so, we should just do that. --b.