From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ale.deltatee.com (ale.deltatee.com. [207.54.116.67]) by gmr-mx.google.com with ESMTPS id g1-v6si2770554pfk.0.2018.05.31.11.48.35 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 31 May 2018 11:48:35 -0700 (PDT) References: <8A1F3ACA2F40C04FBF91985D6F491D7C0176649B@MX302CL01.corp.emc.com> From: Logan Gunthorpe Message-ID: <52648710-cf4a-9072-c03b-9a0f3fe7c19d@deltatee.com> Date: Thu, 31 May 2018 12:48:32 -0600 MIME-Version: 1.0 In-Reply-To: <8A1F3ACA2F40C04FBF91985D6F491D7C0176649B@MX302CL01.corp.emc.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: ntb_tool cannot dma_alloc_coherent with CMA (over switchtec) To: "Glimcher, Boris" , "linux-ntb@googlegroups.com" List-ID: On 31/05/18 10:32 AM, Glimcher, Boris wrote: > I’m trying to enlarge buffers I use in ntb_tool by using cma: Hmm, not sure what the problem is. Is this x86? It would also be useful to see a complete dmesg trace. Logan