From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: srp state in current mainline Date: Wed, 11 Nov 2015 08:03:46 -0800 Message-ID: <564366E2.8000209@sandisk.com> References: <20151110171509.GA27781@infradead.org> <56436053.7030201@sandisk.com> <20151111154617.GA3754@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20151111154617.GA3754@infradead.org> Sender: target-devel-owner@vger.kernel.org To: Christoph Hellwig Cc: Sagi Grimberg , "linux-rdma@vger.kernel.org" , "target-devel@vger.kernel.org" List-Id: linux-rdma@vger.kernel.org On 11/11/2015 07:46 AM, Christoph Hellwig wrote: > On Wed, Nov 11, 2015 at 07:35:47AM -0800, Bart Van Assche wrote: >> On 11/10/2015 09:15 AM, Christoph Hellwig wrote: >>> This is a simply xfstests run using XFS on a remote LIO ramdisk. >> >> Hello Christoph, >> >> Which version of the kernel and LIO were installed at the target side ? > > I've tried a couple different one from 4.1-rc3 to latest Linus tree > from yesterday, and the target side doesn't matter. > > I've also bisected things down on the initiator side and the changes to > enable prefer_fr and register_always seem to be the culprit at least as > far as 4.3 is concerned. If I disable both 4.3 is working fine, but > enabling either one causes frequent map failures. Just rebuilding > a new Linus current tree to see if the options help there as well. Hello Christoph, The SRP initiator from kernel 4.3 is working fine on my test setup. I will start a test with Linus' tree and with the following SRP kernel module parameters: # cat /etc/modprobe.d/ib_srp.conf options ib_srp cmd_sg_entries=255 register_always=1 prefer_fr=1 Bart.