Return-Path: Received: from mail-ob0-f196.google.com ([209.85.214.196]:33775 "EHLO mail-ob0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751351AbcFSTjC (ORCPT ); Sun, 19 Jun 2016 15:39:02 -0400 MIME-Version: 1.0 In-Reply-To: <57666E14.2070802@gmail.com> References: <20160615030626.14794.43805.stgit@manet.1015granger.net> <20160615031525.14794.69066.stgit@manet.1015granger.net> <20160615042849.GR5408@leon.nu> <68F7CD80-0092-4B55-9FAD-4C54D284BCA3@oracle.com> <20160616143518.GX5408@leon.nu> <576315C9.30002@gmail.com> <652EBA09-2978-414C-8606-38A96C63365A@oracle.com> <20160617092018.GZ5408@leon.nu> <4D23496A-FE01-4693-B125-82CD03B8F2D4@oracle.com> <20160618105650.GD5408@leon.nu> <5D0A6B47-CB71-42DA-AE76-164B6A660ECC@oracle.com> <57666E14.2070802@gmail.com> From: Or Gerlitz Date: Sun, 19 Jun 2016 22:38:53 +0300 Message-ID: Subject: Re: [PATCH v2 01/24] mlx4-ib: Use coherent memory for priv pages To: Sagi Grimberg , Yishai Hadas Cc: Chuck Lever , Leon Romanovsky , linux-rdma , Linux NFS Mailing List Content-Type: text/plain; charset=UTF-8 Sender: linux-nfs-owner@vger.kernel.org List-ID: On Sun, Jun 19, 2016 at 1:04 PM, Sagi Grimberg wrote: >> I am able to reproduce the Local Protection Errors with >> this patch applied and SLUB debugging disabled. > Thanks Chuck for proving that the dma alignment is not the issue here. > > I suggest that we go with my dma coherent patch for now until Leon and > the Mellanox team can debug this one with the HW/FW folks and find out > what is going on. > > Leon, I had my share of debugging this area on mlx4/mlx5 areas. If you > want I can help with debugging this one. Hi Sagi, Leon and Co,